FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public
Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Johnson Russell 		2. Issuer Name and Ticker or Trading Symbol

OPTIUM CORP [ OPTM ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      __ X __ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

C/O OPTIUM CORPORATION, 200 PRECISION ROAD 		3. Date of Earliest Transaction (MM/DD/YYYY)

9/25/2007
(Street)

HORSHAM, PA 19044
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ 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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   9/25/2007     P    2500   A $9.75   3124146   (1) (2) D    
Common Stock   9/25/2007     P    599   A $9.685   3124146   (3) (1) (2) I   Owned by the son of the reporting person  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 of Derivative Security: 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

Explanation of Responses:
( 1)  KPLJ directly owns 3,021,250 of the reported securities. Each of Messrs. Kalkhoven, Pettit, Levin and Johnson hold voting and dispositive power over the shares. Each of Messrs. Kalkhoven, Pettit, Levin and Johnson disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Messrs. Kalkhoven, Pettit and Johnson each directly own 19,015, 28,523 and 46,556 of the reported securities respectively and 2,500 shares are held by the Russell A. and Colene R. Johnson Family Trust Dtd 01/29/98. Each of KPLJ, Messrs. Pettit, Levin and Johnson disclaims beneficial ownership of the shares owned by Mr. Kalkhoven. Each of KPLJ, Messrs. Kalkhoven, Levin and Johnson disclaims beneficial ownership of the shares owned by Mr. Pettit. Each of KPLJ, Messrs. Kalkhoven, Pettit and Levin disclaims beneficial ownership of the shares owned by Mr. Johnson and the Russell A. and Colene R. Johnson Family Trust UAD 1/29/90.
( 2)  Of the reported securities 2,500 are owned by Mr. Johnson's son. Mr. Johnson disclaims beneficial ownership of these shares. Trusts for the benefit of Mr. Levin's children directly own an aggregate of 3,802 of the reported shares. Mr. Levin disclaims beneficial ownership of these shares.
( 3)  This amount represents the same shares reported in the total number of beneficial securities owned after the transaction reported in the line above.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Johnson Russell
C/O OPTIUM CORPORATION
200 PRECISION ROAD
HORSHAM, PA 19044 		X X

Kalkhoven, Pettit, Levin & Johnson LLC
149 COMMONWEALTH DRIVE, SUITE 2008
MENLO PARK 94025
X

KALKHOVEN KEVIN
149 COMMONWEALTH DRIVE, SUITE 2008
MENLO PARK, PA 94025
X

Pettit Danny
149 COMMONWEALTH DRIVE, SUITE 2008
MENLO PARK, CA 94025
X

Levin Jack
KPLJ VENTURES, LLC.
149 COMMONWEALTH DRIVE, SUITE 2008
MENLO PARK 94025
X


Signatures
/s/ Chris Brown, attorney-in-fact 9/26/2007
** Signature of Reporting Person Date

/s/ Christopher Brown, attorney-in-fact 9/26/2007
** Signature of Reporting Person Date

/s/ Christopher Brown, attorney-in-fact 9/26/2007
** Signature of Reporting Person Date

/s/ Christopher Brown, attorney-in-fact 9/26/2007
** Signature of Reporting Person Date

/s/ Christopher Brown, attorney-in-fact 9/26/2007
** 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 control number.
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