Form 8-K





Washington, D.C. 20549



Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) April 30, 2008


(Exact name of registrant as specified in its charter)


Delaware   000-25317   33-0373077

(State or other jurisdiction

of incorporation)



File Number)


(IRS Employer

Identification No.)


5791 Van Allen Way, Carlsbad, CA   92008
(Address of principal executive offices)   (Zip Code)

Registrant’s telephone number, including area code (760) 603-7200

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))




Item 8.01 Other Events

On April 30, 2008, the Company announced that its Board of Directors had approved a two-for-one forward stock split of the Company’s common stock. The stock split will be effected by the issuance of a dividend of one share of the Company’s common stock for every share of its common stock issued and outstanding as of the record date of May 16, 2008. New shares of the Company’s common stock resulting from the stock split will be issued by the Company’s transfer agent, American Stock Transfer & Trust Company, on May 27, 2008 and will begin trading on the Nasdaq Global Select Market on a split-adjusted basis on May 28, 2008. A copy of the Company’s press release announcing the stock split is attached hereto as Exhibit 99.1.


Item 9.01 Financial Statements and Exhibits.


  (a) Not applicable.


  (b) Not applicable.


  (c) Not applicable.


  (d) Exhibits.


99.1    Invitrogen Corporation press release dated April 30, 2008.


Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


    Invitrogen Corporation
Date: May 5, 2008     By:   /s/ John A. Cottingham
        John A. Cottingham
        General Counsel






99.1    Invitrogen Corporation press release dated April 30, 2008.