QuickLinks -- Click here to rapidly navigate through this document

SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 22, 2004

Array BioPharma Inc.
(Exact name of registrant as specified in its charter)

Delaware   000-31979   84-1460811
(State or Other Jurisdiction
of Incorporation)
  (Commission
File Number)
  (IRS Employer
Identification No.)

 

 

 

 

 
3200 Walnut Street, Boulder, Colorado   80301
(Address of Principal Executive Offices)   (Zip Code)

Registrant's telephone number, including area code: (303) 381-6600

(Former Name or Former Address, if Changed Since Last Report)



ITEM 5. OTHER EVENTS AND REQUIRED FD DISCLOSURE.

        On April 22, 2004, the Registrant issued a press release announcing the filing of a shelf registration statement on Form S-3, the full text of which is attached hereto as Exhibit 99.1.


ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

(c)
Exhibits.

99.1
Press release dated April 22, 2004 entitled "Array BioPharma Inc. Files Shelf Registration Statement."

2



SIGNATURES

        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.


 

 

ARRAY BIOPHARMA INC.

Date: April 22, 2004

 

By:

 

/s/  
ROBERT E. CONWAY      
Robert E. Conway
Chief Executive Officer

3



EXHIBIT INDEX

Exhibit No.

   
99.1   Press release dated April 22, 2004 entitled "Array BioPharma Inc. Files Shelf Registration Statement."



QuickLinks

SIGNATURES
EXHIBIT INDEX