UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
[ ] Check this box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue.
1. Name and Address of Reporting Person(s)
McCormick, Ann M
1600 Faraday Avenue
Carlsbad, CA 92008
2. Issuer Name and Ticker or Trading Symbol
Invitrogen Corporation (IVGN)
3. I.R.S. Identification Number of Reporting Person, if an entity (Voluntary)
4. Statement for Month/Day/Year
2/18/2003
5. If Amendment, Date of Original (Month/Day/Year)
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
[ ] Director [ ] 10% Owner
[X] Officer (give title below) [ ] Other (specify below)
VP, Mfg Ops
7. 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
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1)Title of Security 2)Trans- 3.Trans- 4.Securities Acquired(A) 5)Amount of 6) 7)Nature of
action action or Disposed of (D) Securities Indirect
Date Code A Beneficially D Beneficial
(Month/ or Owned at or Ownership
Day/Year) Code V Amount D Price End of Month I
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Common Stock 10/31/02 J V 29 A $23.6980 D Direct
Common Stock 01/31/03 J V 24 A $24.0125 D Direct
Common Stock 02/18/03 S 5,000 D $30.0600 D Direct
Common Stock 02/18/03 S 2,000 D $30.0400 D Direct
Common Stock 02/18/03 S 1,500 D $30.1500 D Direct
Common Stock 02/18/03 S 5,100 D $30.1100 D Direct
Common Stock 02/18/03 S 3,400 D $30.1600 D Direct
Common Stock 02/18/03 S 3,200 D $30.1400 D Direct
Common Stock 02/18/03 S 4,800 D $30.2000 60,012 D Direct
Table II (PART 1) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1 through 6)
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1)Title of Derivative 2)Conversion 3)Trans- 4)Trans- 5)Number of Derivative 6)Date Exercisable and
Security or Exercise action action Securities Acquired (A) Expiration Date
Price of Date Code or Disposed of (D)
Derivative
Security Code V A D Exercisable Expiration
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Incentive Stock Option (right $5.6000 05/28/03 05/28/08
to buy)
Incentive Stock Option (right $45.6400 02/28/06 02/28/12
to buy)
Incentive Stock Option (right $54.3750 01/04/05 01/04/10
to buy)
Incentive Stock Option (right $60.0000 01/01/07 01/01/10
to buy)
Non-Qualified Stock Option $34.5100 09/06/03 09/06/12
(right to buy)
Non-Qualified Stock Option $45.6400 02/28/06 02/28/12
(right to buy)
Non-Qualified Stock Option $54.3750 12/04/04 01/04/10
(right to buy)
Incentive Stock Option (right $3.8000 11/06/02 11/06/07
to buy)
Table II (PART 2) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1,3 and 7 through 11)
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1)Title of Derivative 3)Trans- 7)Title and Amount 8)Price 9)Number of 10) 11)Nature of
Security action of Underlying of Deri- Derivative Indirect
Date Securities vative Securities D Beneficial
Amount or Security Beneficially or Ownership
Number of Owned at I
- Title Shares End of Month
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Incentive Stock Option (right Common Stock 8,000 8,000 D Direct
to buy)
Incentive Stock Option (right Common Stock 3,885 3,885 D Direct
to buy)
Incentive Stock Option (right Common Stock 8,368 8,368 D Direct
to buy)
Incentive Stock Option (right Common Stock 917 917 D Direct
to buy)
Non-Qualified Stock Option Common Stock 25,000 25,000 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 46,115 46,115 D Direct
(right to buy)
Non-Qualified Stock Option Common Stock 16,632 16,632 D Direct
(right to buy)
Incentive Stock Option (right Common Stock 3,000 3,000 D Direct
to buy)
Explanation of Responses:
SIGNATURE OF REPORTING PERSON
/S/ By: Cheri L. Manis
For: Ann M McCormick
DATE 02/18/03