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).
1. Name and Address of Reporting Person*
FAULKNER DARYL
(Last) (First) (Middle)
1600 FARADAY AVENUE
(Street)
CARLSBAD CA 92008
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
INVITROGEN CORP [ IVGN ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Sr. VP
3. Date of Earliest Transaction (Month/Day/Year)
08/23/2005
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 08/23/2005 M 4,200 D $81.98 70,260 D
Common Stock 08/23/2005 M 7,700 D $81.97 62,560 D
Common Stock 08/23/2005 M 6,700 D $81.95 55,860 D
Common Stock 08/23/2005 M 1,000 D $81.93 54,860 D
Common Stock 08/23/2005 M 10,200 D $81.92 44,660 D
Common Stock 08/23/2005 M 5,476 D $81.91 39,184 D
Common Stock 08/23/2005 M 400 D $81.89 38,784 D
Common Stock 08/23/2005 M 9,300 D $81.88 29,484 D
Common Stock 08/23/2005 M 5,000 D $81.86 24,484 D
Common Stock 08/23/2005 M 2,500 D $81.85 21,984 D
Common Stock 08/23/2005 M 4,700 D $81.83 17,284 D
Common Stock 08/23/2005 M 1,500 D $81.82 15,784 D
Common Stock 08/23/2005 M 4,000 D $81.8 11,784 D
Common Stock 08/23/2005 M 2,500 D $81.78 9,284 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
Non-Qualified Stock Option (right to buy) $31.84 08/23/2005 M 4,275 (1) 04/25/2012 Common Stock 4,275 $82.5499 12,875 D
Non-Qualified Stock Option (right to buy) $31.84 08/23/2005 M 3,800 (1) 04/25/2012 Common Stock 3,800 $82.08 9,075 D
Non-Qualified Stock Option (right to buy) $31.84 08/23/2005 M 1,285 (1) 04/25/2012 Common Stock 1,285 $82.05 7,790 D
Non-Qualified Stock Option (right to buy) $34.51 08/23/2005 M 3,125 (2) 09/06/2012 Common Stock 3,125 $82.5499 15,625 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 33,440 (3) 10/11/2010 Common Stock 33,440 $82 66,560 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 1,800 (3) 10/11/2010 Common Stock 1,800 $81.99 64,760 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 4,200 (3) 10/11/2010 Common Stock 4,200 $81.98 60,560 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 7,700 (3) 10/11/2010 Common Stock 7,700 $81.97 52,860 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 6,700 (3) 10/11/2010 Common Stock 6,700 $81.95 46,160 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 1,000 (3) 10/11/2010 Common Stock 1,000 $81.93 45,160 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 10,200 10/11/2005(3) 10/11/2010 Common Stock 10,200 $81.92 34,960 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 5,476 10/11/2005(3) 10/11/2010 Common Stock 5,476 $81.91 29,484 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 400 10/11/2005(3) 10/11/2010 Common Stock 400 $81.89 29,084 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 9,300 10/11/2005(3) 10/11/2010 Common Stock 9,300 $81.88 19,784 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 5,000 10/11/2005(3) 10/11/2010 Common Stock 5,000 $81.86 14,784 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 2,500 10/11/2005(3) 10/11/2010 Common Stock 2,500 $81.85 12,284 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 4,700 10/11/2005(3) 10/11/2010 Common Stock 4,700 $81.82 7,584 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 1,500 10/11/2005(3) 10/11/2010 Common Stock 1,500 $81.82 6,084 D
Non-Qualified Stock Option (right to buy) $56.875 08/23/2005 M 2,750 10/11/2005(3) 10/11/2010 Common Stock 2,750 $81.8 3,334 D
Non-Qualified Stock Option (right to buy) $61.05 08/23/2005 M 8,215 (4) 10/15/2013 Common Stock 8,215 $82.05 40,147 D
Non-Qualified Stock Option (right to buy) $61.05 08/23/2005 M 3,500 (4) 10/15/2013 Common Stock 3,500 $82.02 36,647 D
Non-Qualified Stock Option (right to buy) $61.05 08/23/2005 M 10,160 (4) 10/15/2013 Common Stock 10,160 $82 26,487 D
Non-Qualified Stock Option (right to buy) $65.38 08/23/2005 M 1,250 (5) 05/14/2014 Common Stock 1,250 $81.8 12,221 D
Non-Qualified Stock Option (right to buy) $65.38 08/23/2005 M 2,500 05/14/2005(5) 05/14/2014 Common Stock 2,500 $81.78 9,721 D
Explanation of Responses:
1. Option vests over a 4-year period, 25% vesting on April 25, 2003, and 75% vesting quarterly thereafter through April 25, 2006, contingent upon continued service to Invitrogen.
2. Option vests over a 4-year period, 25% vesting on September 6, 2003, and 75% vesting quarterly thereafter through September 6, 2006, contingent upon continued service to Invitrogen.
3. Option vesting is over a 5-year period, 40% vesting on October 11, 2002, and 60% vesting monthly thereafter through October 11, 2005, contingent upon continued service to Invitrogen.
4. Option vests over a 4-year period, 25% vesting on October 15, 2004, and 75% vesting quarterly thereafter through October 15, 2007, contingent upon continued service to Invitrogen.
5. Option vesting is over a 4-year period, vesting 25% on each anniversary of the May 14, 2004 grant date, contingent upon continued service to Invitrogen.
By: John A. Cottingham For: Daryl J. Faulkner 08/25/2005
** 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.