SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
  
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
DURAND REMY

(Last) (First) (Middle)
C/O ALPINE IMMUNE SCIENCES, INC.
188 EAST BLAINE STREET, SUITE 200

(Street)
SEATTLE WA 98102

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ALPINE IMMUNE SCIENCES, INC. [ ALPN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Business Officer
3. Date of Earliest Transaction (Month/Day/Year)
05/08/2024
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 05/08/2024 M 9,845 A $13.2 47,949(1) D
Common Stock 05/08/2024 M 25,000 A $6.51 72,949 D
Common Stock 05/08/2024 M 12,365 A $4.09 85,314 D
Common Stock 05/08/2024 M 38,078 A $3.23 123,392 D
Common Stock 05/08/2024 M 10,000 A $4.76 133,392 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to buy) $13.2(2) 05/08/2024 M 9,845 (3) 01/04/2031 Common Stock 9,845 $0 70,155 D
Stock Option (Right to buy) $6.51(2) 05/08/2024 M 25,000 (4) 02/05/2029 Common Stock 25,000 $0 0 D
Stock Option (Right to buy) $4.09(2) 05/08/2024 M 12,365 (5) 06/12/2029 Common Stock 12,365 $0 2,635 D
Stock Option (Right to buy) $3.23(2) 05/08/2024 M 38,078 (6) 01/22/2030 Common Stock 38,078 $0 26,922 D
Stock Option (Right to buy) $4.76(2) 05/08/2024 M 10,000 (7) 11/05/2028 Common Stock 10,000 $0 0 D
Explanation of Responses:
1. Includes 31,200 shares of common stock underlying a restricted stock unit grant made on January 4, 2024.
2. The exercise price is equal to the closing price per share of Common Stock as reported on the Nasdaq Global Market on the date of grant.
3. One-fourth (1/4) of the shares subject to the option will vest on January 5, 2022, and one thirty-sixth (1/36th) of the remaining shares subject to the option shall vest each month thereafter, subject to Reporting Person continuing to be a service provider through each such date.
4. One-fourth (1/4) of the shares subject to the option will vest on February 6, 2020, and one thirty-sixth (1/36th) of the remaining shares subject to the option shall vest each month thereafter, subject to Reporting Person continuing to be a service provider through each such date.
5. One-fourth (1/4) of the shares subject to the option will vest on May 1, 2020, and one thirty-sixth (1/36th) of the remaining shares subject to the option shall vest each month thereafter, subject to Reporting Person continuing to be a service provider through each such date.
6. One-fourth (1/4) of the shares subject to the option will vest on January 23, 2021, and one thirty-sixth (1/36th) of the remaining shares subject to the option shall vest each month thereafter, subject to Reporting Person continuing to be a service provider through each such date.
7. One-fourth (1/4) of the shares subject to the option will vest on October 8, 2019, and one thirty-sixth (1/36th) of the remaining shares subject to the option shall vest each month thereafter, subject to Reporting Person continuing to be a service provider through each such date.
Remarks:
/s/ James Paul Rickey, attorney-in-fact 05/10/2024
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

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