(Amendment No. 8)1
The information required
on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities
Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject
to all other provisions of the Act (however, see the Notes).
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1 |
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NAME OF REPORTING PERSON |
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BIOTECHNOLOGY VALUE FUND, L.P. |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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WC |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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DELAWARE |
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NUMBER OF |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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19,929,130 (1) |
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PERSON WITH |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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SHARED DISPOSITIVE POWER |
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19,929,130 (1) |
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11 |
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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19,929,130 (1) |
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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14.4% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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PN |
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(1) Includes 15,940,000 shares of Common Stock underlying
1,594 shares of Series X Preferred Stock convertible within 60 days hereof, subject to the Series X Beneficial Ownership Limitation (as
defined below). Excludes 3,440,000 shares of Common Stock underlying 344 shares of Series X1 Preferred Stock, which may not be converted
due to the Series X1 Beneficial Ownership Limitation (as defined below).
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1 |
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NAME OF REPORTING PERSON |
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BVF I GP LLC |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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AF |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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DELAWARE |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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8 |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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19,929,130 (1) |
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PERSON WITH |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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19,929,130 (1) |
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11 |
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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19,929,130 (1) |
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12 |
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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14.4% (1) |
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TYPE OF REPORTING PERSON |
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OO |
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(1) Includes 15,940,000 shares of Common Stock underlying
1,594 shares of Series X Preferred Stock convertible within 60 days hereof, subject to the Series X Beneficial Ownership Limitation (as
defined below). Excludes 3,440,000 shares of Common Stock underlying 344 shares of Series X1 Preferred Stock, which may not be converted
due to the Series X1 Beneficial Ownership Limitation (as defined below).
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1 |
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NAME OF REPORTING PERSON |
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BIOTECHNOLOGY VALUE FUND II, L.P. |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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WC |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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DELAWARE |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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6,305,239 (1) |
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PERSON WITH |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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6,305,239 (1) |
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11 |
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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6,305,239 (1) |
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12 |
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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5.0% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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PN |
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(1) Includes 3,710,000 shares of Common Stock underlying
371 shares of Series X Preferred Stock convertible within 60 days hereof. Excludes 8,790,000 shares of Common Stock underlying 879 shares
of Series X Preferred Stock, which may not be converted due to the Series X Beneficial Ownership Limitation, and 2,390,000 shares of Common
Stock underlying 239 shares of Series X1 Preferred Stock, which may not be converted due to the Series X1 Beneficial Ownership Limitation.
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1 |
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NAME OF REPORTING PERSON |
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BVF II GP LLC |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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AF |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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DELAWARE |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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8 |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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6,305,239 (1) |
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PERSON WITH |
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9 |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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6,305,239 (1) |
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11 |
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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6,305,239 (1) |
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12 |
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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5.0% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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OO |
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(1) Includes 3,710,000 shares of Common Stock underlying 371 shares of
Series X Preferred Stock convertible within 60 days hereof. Excludes 8,790,000 shares of Common Stock underlying 879 shares of Series
X Preferred Stock, which may not be converted due to the Series X Beneficial Ownership Limitation, and 2,390,000 shares of Common Stock
underlying 239 shares of Series X1 Preferred Stock, which may not be converted due to the Series X1 Beneficial Ownership Limitation.
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1 |
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NAME OF REPORTING PERSON |
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BIOTECHNOLOGY VALUE TRADING FUND OS LP |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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WC |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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CAYMAN ISLANDS |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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8 |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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702,505 (1) |
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PERSON WITH |
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9 |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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702,505 (1) |
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11 |
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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702,505 (1) |
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12 |
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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Less than 1% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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PN |
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(1) Excludes 1,910,000 shares of Common Stock underlying
191 shares of Series X Preferred Stock, which may not be converted due to the Series X Beneficial Ownership Limitation, and 170,000 shares
of Common Stock underlying 17 shares of Series X1 Preferred Stock, which may not be converted due to the Series X1 Beneficial Ownership
Limitation.
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1 |
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NAME OF REPORTING PERSON |
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BVF PARTNERS OS LTD. |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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AF |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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CAYMAN ISLANDS |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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8 |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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702,505 (1) |
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PERSON WITH |
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9 |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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702,505 (1) |
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11 |
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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702,505 (1) |
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12 |
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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Less than 1% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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CO |
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(1) Excludes 1,910,000 shares of Common Stock underlying
191 shares of Series X Preferred Stock, which may not be converted due to the Series X Beneficial Ownership Limitation, and 170,000 shares
of Common Stock underlying 17 shares of Series X1 Preferred Stock, which may not be converted due to the Series X1 Beneficial Ownership
Limitation.
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1 |
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NAME OF REPORTING PERSON |
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BVF GP HOLDINGS LLC |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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AF |
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5 |
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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DELAWARE |
|
NUMBER OF |
|
7 |
|
SOLE VOTING POWER |
|
SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
|
8 |
|
SHARED VOTING POWER |
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EACH |
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REPORTING |
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|
26,234,369 (1) |
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PERSON WITH |
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9 |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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|
26,234,369 (1) |
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|
11 |
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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|
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|
26,234,369 (1) |
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|
12 |
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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18.4% (1) |
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|
14 |
|
TYPE OF REPORTING PERSON |
|
|
|
|
|
|
|
|
|
|
OO |
|
(1) Includes 19,650,000 shares of Common Stock underlying
1,965 shares of Series X Preferred Stock convertible within 60 days hereof, subject to the Series X Beneficial Ownership Limitation. Excludes
8,790,000 shares of Common Stock underlying 879 shares of Series X Preferred Stock, which may not be converted due to the Series X Beneficial
Ownership Limitation, and 5,830,000 shares of Common Stock underlying 583 shares of Series X1 Preferred Stock, which may not be converted
due to the Series X1 Beneficial Ownership Limitation.
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1 |
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NAME OF REPORTING PERSON |
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BVF PARTNERS L.P. |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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AF |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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DELAWARE |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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8 |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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28,463,021 (1) |
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PERSON WITH |
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9 |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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28,463,021 (1) |
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11 |
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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28,463,021 (1) |
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12 |
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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19.99% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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PN, IA |
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(1) Includes 19,650,000 shares of Common Stock underlying
1,965 shares of Series X Preferred Stock convertible within 60 days hereof, subject to the Series X Beneficial Ownership Limitation. Excludes
10,820,000 shares of Common Stock underlying 1,082 shares of Series X Preferred Stock, which may not be converted due to the Series X
Beneficial Ownership Limitation, and 6,000,000 shares of Common Stock underlying 600 shares of Series X1 Preferred Stock, which may not
be converted due to the Series X1 Beneficial Ownership Limitation.
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1 |
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NAME OF REPORTING PERSON |
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BVF INC. |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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AF |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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DELAWARE |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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8 |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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28,463,021 (1) |
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PERSON WITH |
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9 |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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28,463,021 (1) |
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11 |
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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28,463,021 (1) |
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12 |
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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19.99% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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CO |
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(1) Includes 19,650,000 shares of Common Stock underlying
1,965 shares of Series X Preferred Stock convertible within 60 days hereof, subject to the Series X Beneficial Ownership Limitation. Excludes
10,820,000 shares of Common Stock underlying 1,082 shares of Series X Preferred Stock, which may not be converted due to the Series X
Beneficial Ownership Limitation, and 6,000,000 shares of Common Stock underlying 600 shares of Series X1 Preferred Stock, which may not
be converted due to the Series X1 Beneficial Ownership Limitation.
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1 |
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NAME OF REPORTING PERSON |
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MARK N. LAMPERT |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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AF |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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USA |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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- 0 - |
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OWNED BY |
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8 |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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28,463,021 (1) |
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PERSON WITH |
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9 |
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SOLE DISPOSITIVE POWER |
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- 0 - |
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10 |
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SHARED DISPOSITIVE POWER |
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28,463,021 (1) |
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11 |
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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28,463,021 (1) |
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12 |
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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19.99% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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IN |
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(1) Includes 19,650,000 shares of Common Stock underlying
1,965 shares of Series X Preferred Stock convertible within 60 days hereof, subject to the Series X Beneficial Ownership Limitation. Excludes
10,820,000 shares of Common Stock underlying 1,082 shares of Series X Preferred Stock, which may not be converted due to the Series X
Beneficial Ownership Limitation, and 6,000,000 shares of Common Stock underlying 600 shares of Series X1 Preferred Stock, which may not
be converted due to the Series X1 Beneficial Ownership Limitation.
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1 |
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NAME OF REPORTING PERSON |
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MATTHEW D. PERRY |
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2 |
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP |
(a) ☒ |
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(b) ☐ |
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3 |
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SEC USE ONLY |
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4 |
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SOURCE OF FUNDS |
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OO |
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5 |
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) |
☐ |
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6 |
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CITIZENSHIP OR PLACE OF ORGANIZATION |
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USA |
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NUMBER OF |
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7 |
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SOLE VOTING POWER |
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SHARES |
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BENEFICIALLY |
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353,139 (1) |
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OWNED BY |
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8 |
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SHARED VOTING POWER |
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EACH |
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REPORTING |
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- 0 - |
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PERSON WITH |
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9 |
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SOLE DISPOSITIVE POWER |
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353,139 (1) |
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10 |
|
SHARED DISPOSITIVE POWER |
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- 0 - |
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|
11 |
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
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353,139 (1) |
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12 |
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |
☐ |
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13 |
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
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Less than 1% (1) |
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14 |
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TYPE OF REPORTING PERSON |
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IN |
|
(1) Includes 310,000 shares of Common Stock issuable
upon the exercise of certain options that are currently exercisable, or may become exercisable within 60 days hereof. Excludes 80,000
shares of Common Stock underlying certain options that are not currently exercisable.
The following constitutes
Amendment No. 8 to the Schedule 13D filed by the undersigned (“Amendment No. 8”). This Amendment No. 8 amends the Schedule
13D as specifically set forth herein.
| Item 3. | Source and Amount of Funds or Other Consideration. |
Item 3 is hereby amended
and restated to read as follows:
The securities of the Issuer
purchased by each of BVF, BVF2 and Trading Fund OS, and held in the Partners Managed Accounts, were purchased with working capital (which
may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases, except
as otherwise noted.
The aggregate purchase price
of the 3,989,130 shares of Common Stock beneficially owned by BVF is approximately $27,042,769, including brokerage commissions. The aggregate
purchase price of the 1,594 shares of Series X Preferred Stock beneficially owned by BVF is approximately $15,940,000, including brokerage
commissions. The aggregate purchase price of the 344 shares of Series X1 Preferred Stock beneficially owned by BVF is approximately $8,600,000,
including brokerage commissions.
The aggregate purchase price
of the 2,595,239 shares of Common Stock beneficially owned by BVF2 is approximately $16,323,884, including brokerage commissions. The
aggregate purchase price of the 1,250 shares of Series X Preferred Stock beneficially owned by BVF2 is approximately $12,500,000, including
brokerage commissions. The aggregate purchase price of the 239 shares of Series X1 Preferred Stock beneficially owned by BVF2 is approximately
$5,975,000, including brokerage commissions.
The aggregate purchase price
of the 702,505 shares of Common Stock beneficially owned by Trading Fund OS is approximately $4,995,206, including brokerage commissions.
The aggregate purchase price of the 191 shares of Series X Preferred Stock beneficially owned by Trading Fund OS is approximately $1,910,000,
including brokerage commissions. The aggregate purchase price of the 17 shares of Series X1 Preferred Stock beneficially owned by Trading
Fund OS is approximately $425,000, including brokerage commissions.
The aggregate purchase price
of the 1,526,147 shares of Common Stock held in certain Partners managed accounts (the “Partners Managed Accounts”), which
Partners may be deemed to beneficially own, is approximately $14,881,764, including brokerage commissions. The aggregate purchase price
of the 12 shares of Series X Preferred Stock held in the Partners Managed Accounts is approximately $120,000, including brokerage commissions.
The securities of the Issuer
beneficially owned by Mr. Perry were granted to him by the Issuer in his capacity as a director of the Issuer.
| Item 4. | Purpose of Transaction. |
Item 4 is hereby amended
to add the following:
On August 9, 2022, pursuant
to the terms of the Series O Preferred Stock, the Reporting Persons delivered notices of conversion to the Issuer with respect to all
shares of Series O Preferred Stock beneficially owned by the Reporting Persons (the “Series O Conversion”). In connection
with the Series O Conversion, the Reporting Persons converted an aggregate of 12,575 shares of Series O Preferred Stock into an aggregate
of 8,383,331 shares of Common Stock. Accordingly, the Reporting Persons no longer own any shares of Series O Preferred Stock.
Also on August 9, 2022, pursuant
to the terms of each of the Series X Preferred Stock and the Series X1 Preferred Stock, the Reporting Persons delivered written notice
to the Issuer raising each of the Series X Beneficial Ownership Limitation and the Series X1 Beneficial Ownership Limitation from 9.99%
to 19.99%.
| Item 5. | Interest in Securities of the Issuer. |
Items 5(a) – (c) are
hereby amended and restated to read as follows:
(a) The
aggregate percentage of shares of Common Stock reported owned by each person named herein is based on a denominator that is the sum of:
(i) 114,385,307 shares of Common Stock outstanding, as of August 1, 2022, as disclosed in the Issuer’s Quarterly Report on Form
10-Q filed with the Securities and Exchange Commission on August 8, 2022, (ii) certain or all of the 19,650,000 shares of Common Stock
that would be issuable upon the conversion of certain shares of Series X Preferred Stock held by the Reporting Persons, as applicable,
and (iii) 8,383,331 shares of Common Stock issued to the Reporting Persons in connection with the Series O Conversion.
As of the date hereof, the
Reporting Persons hold an aggregate of 3,047 shares of Series X Preferred Stock, convertible into an aggregate of 30,470,000 shares of
Common Stock. Each share of Series X Preferred Stock is convertible into 10,000 shares of Common Stock at the election of the holder;
provided, however, the Series X Preferred Stock may not be converted if, after such conversion, the Reporting Persons would beneficially
own, as determined in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended, more than 19.99% of the shares
of Common Stock outstanding immediately after giving effect to such conversion (the “Series X Beneficial Ownership Limitation”).
The Series X Beneficial Ownership Limitation limits the conversion of the Series X Preferred Stock to 1,965 out of 3,047 shares of Series
X Preferred Stock.
As of the date hereof, the
Reporting Persons hold an aggregate of 600 shares of Series X1 Preferred Stock, convertible into an aggregate of 6,000,000 shares of Common
Stock. Each share of Series X1 Preferred Stock is convertible into 10,000 shares of Common Stock at the election of the holder; provided,
however, the Series X1 Preferred Stock may not be converted if, after such conversion, the Reporting Persons would beneficially own, as
determined in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended, more than 19.99% of the shares of Common
Stock outstanding immediately after giving effect to such conversion (the “Series X1 Beneficial Ownership Limitation”). The
Series X1 Beneficial Ownership Limitation limits the conversion of the Series X1 Preferred Stock to 0 out of 600 shares of Series X1 Preferred
Stock.
As of the date hereof,
(i) BVF beneficially owned 19,929,130 shares of Common Stock, including 15,940,000 shares of Common Stock issuable upon the
conversion of 1,594 shares of Series X Preferred Stock and excluding 3,440,000 shares of Common Stock underlying 344 shares of
Series X1 Preferred Stock, representing percentage ownership of approximately 14.4% of the shares of Common Stock outstanding, (ii)
BVF2 beneficially owned 6,305,239 shares of Common Stock, including 3,710,000 shares of Common Stock issuable upon the conversion of
371 shares of Series X Preferred Stock and excluding 8,790,000 shares of Common Stock underlying 879 shares of Series X Preferred
Stock and 2,390,000 shares of Common Stock underlying 239 shares of Series X1 Preferred Stock, representing percentage ownership of
approximately 5.0% of the shares of Common Stock outstanding, (iii) Trading Fund OS beneficially owned 702,505 shares of Common
Stock, excluding 1,910,000 shares of Common Stock underlying 191 shares of Series X Preferred Stock and 170,000 shares of Common
Stock underlying 17 shares of Series X1 Preferred Stock, representing percentage ownership of less than 1% of the shares of Common
Stock outstanding, and (iv) 1,526,147 shares of Common Stock were held in the Partners Managed Accounts, excluding 120,000 shares of
Common Stock underlying 12 shares of Series X Preferred Stock, representing percentage ownership of approximately 1.2% of the shares
of Common Stock outstanding.
BVF GP, as the general
partner of BVF, may be deemed to beneficially own the 19,929,130 shares of Common Stock beneficially owned by BVF, representing percentage
ownership of approximately 14.4% of the shares of Common Stock outstanding.
BVF2 GP, as the general partner
of BVF2, may be deemed to beneficially own the 6,305,239 shares of Common Stock beneficially owned by BVF2, representing percentage ownership
of approximately 5.0% of the shares of Common Stock outstanding.
Partners OS, as the general
partner of Trading Fund OS, may be deemed to beneficially own the 702,505 shares of Common Stock beneficially owned by Trading Fund OS,
representing percentage ownership of less than 1% of the shares of Common Stock outstanding.
BVF GPH, as the sole member
of each of BVF GP and BVF2 GP, may be deemed to beneficially own the 26,234,369 shares of Common Stock beneficially owned in the aggregate
by BVF and BVF2, representing percentage ownership of approximately 18.4% of the shares of Common Stock outstanding.
Partners, as the investment
manager of BVF, BVF2, Trading Fund OS and the Partners Managed Accounts and the sole member of Partners OS, may be deemed to beneficially
own the 28,463,021 shares of Common Stock beneficially owned in the aggregate by BVF, BVF2 and Trading Fund OS and held in the Partners
Managed Accounts, representing percentage ownership of approximately 19.99% of the shares of Common Stock outstanding.
BVF Inc., as the general
partner of Partners, may be deemed to beneficially own the 28,463,021 Shares beneficially owned by Partners, representing percentage ownership
of approximately 19.99% of the Shares outstanding.
Mr. Lampert, as a director
and officer of BVF Inc. may be deemed to beneficially own the 28,463,021 Shares beneficially owned by BVF Inc., representing percentage
ownership of approximately 19.99% of the shares of Common Stock outstanding.
As of the date hereof, Mr.
Perry directly owns 353,139 shares of Common Stock, including 310,000 shares of Common Stock issuable on the exercise of certain options
that are currently or may become exercisable, within 60 days hereof, and excluding 80,000 shares of Common Stock underlying certain options
which are not currently, and will not become within 60 days hereof, exercisable, representing percentage ownership of less than 1% of
the shares of Common Stock outstanding.
The filing of this Schedule
13D shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Exchange Act, the beneficial
owners of any securities of the Issuer he or it does not directly own. Each of the Reporting Persons specifically disclaims beneficial
ownership of the securities reported herein that he or it does not directly own.
(b) Each
of BVF, BVF2 and Trading Fund OS shares with Partners voting and dispositive power over the shares of Common Stock each such entity beneficially
owns. BVF shares with BVF GP voting and dispositive power over the shares of Common Stock beneficially owned by BVF. BVF2 shares with
BVF2 GP voting and dispositive power over the shares of Common Stock beneficially owned by BVF2. Each of BVF GP and BVF2 GP shares with
BVF GPH voting and dispositive power over the shares of Common Stock each such entity beneficially owns. Trading Fund OS shares with Partners
OS voting and dispositive power over the shares of Common Stock beneficially owned by Trading Fund OS. Partners, BVF Inc. and Mr. Lampert
share voting and dispositive power over the 28,463,021 shares of Common Stock they may be deemed to beneficially own with BVF, BVF GP,
BVF2, BVF2 GP, Trading Fund OS, Partners OS, and BVF GPH and held in the Partners Managed Accounts.
(c) On
August 9, 2022, each of BVF, BVF2, Trading Fund OS and Partners (on behalf of the Partners Managed Accounts) sold 3,850,803 shares of
Common Stock, 2,890,723 shares of Common Stock, 469,040 shares of Common Stock, and 1,289,434 shares of Common Stock, respectively, on
the open market for a price of $6.1200 per share. In connection with the Series O Conversion (as defined and described in Item 4), (i)
BVF received 3,754,000 shares of Common Stock underlying 5,631 shares of Series O Preferred Stock, (ii) BVF2 received 2,426,666 shares
of Common Stock underlying 3,640 shares of Series O Preferred Stock, (iii) Trading Fund OS received 682,666 shares of Common Stock underlying
1,024 shares of Series O Preferred Stock, and (iv) Partners (on behalf of the Partners Managed Accounts) received 1,519,999 shares of
Common Stock underlying 2,280 shares of Series O Preferred Stock. Other than as disclosed herein, there have been no transactions in the
securities of the Issuer by the Reporting Persons during the past 60 days.
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer. |
Item 6 is hereby amended
to add the following:
On March 9, 2022, in connection
with Mr. Perry’s service on the Issuer’s Board of Directors (the “Board”), he was granted options referencing
80,000 shares of Common Stock, which vests on the first to occur of (i) the date that is twelve months after the date of grant and (ii)
immediately prior to the first annual meeting of the Issuer's stockholders in 2023 at which one or more members of the Board are to be
elected, subject to the Mr. Perry’s continued service through such date or event, and which expires on the 10 year anniversary of
the date of grant.
SIGNATURES
After reasonable inquiry
and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true,
complete and correct.
Dated: August 11, 2022
BIOTECHNOLOGY VALUE FUND, L.P. |
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BIOTECHNOLOGY VALUE TRADING FUND OS LP |
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By: |
BVF I GP LLC., its general partner |
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By: |
BVF Partners L.P., its investment manager |
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By: |
BVF Inc., its general partner |
By: |
/s/ Mark N. Lampert |
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Mark N. Lampert |
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By: |
/s/ Mark N. Lampert |
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Chief Executive Officer |
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Mark N. Lampert |
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President |
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BVF I GP LLC |
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BVF GP HOLDINGS LLC |
By: |
/s/ Mark N. Lampert |
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Mark N. Lampert |
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By: |
/s/ Mark N. Lampert |
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Chief Executive Officer |
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Mark N. Lampert |
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Chief Executive Officer |
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BIOTECHNOLOGY VALUE FUND II, L.P. |
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BVF PARTNERS L.P. |
By: |
BVF II GP LLC, its general partner |
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By: |
BVF Inc., its general partner |
By: |
/s/ Mark N. Lampert |
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Mark N. Lampert |
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By: |
/s/ Mark N. Lampert |
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Chief Executive Officer |
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Mark N. Lampert |
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President |
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BVF II GP LLC |
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BVF INC. |
By: |
/s/ Mark N. Lampert |
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Mark N. Lampert |
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By: |
/s/ Mark N. Lampert |
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Chief Executive Officer |
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Mark N. Lampert |
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President |
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BVF PARTNERS OS LTD. |
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/s/ Mark N. Lampert |
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BVF Partners L.P., its sole member |
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MARK N. LAMPERT |
By: |
BVF Inc., its general partner |
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By: |
/s/ Mark N. Lampert |
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/s/ Matthew D. Perry |
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Mark N. Lampert |
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MATTHEW D. PERRY |
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President |
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