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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 8-A/A
FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
PURSUANT TO SECTION 12(b) OR 12(g) OF THE
SECURITIES EXCHANGE ACT OF 1934
OSI Pharmaceuticals, Inc.
(Exact Name of Registrant as Specified in Its Charter)
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Delaware 13-3159796
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(State of Incorporation or Organization) (IRS Employer Identification No.)
106 Charles Lindbergh Boulevard
Uniondale, NY 11553
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(Address of Principal Executive Offices) (Zip Code)
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If this form relates to the registration of a class of securities
pursuant to Section 12(b) of the Exchange Act and is effective pursuant to
General Instruction A.(c), check the following box. [ ]
If this form relates to the registration of a class of securities
pursuant to Section 12(g) of the Exchange Act and is effective pursuant to
General Instruction A.(d), check the following box. [X]
Securities Act registration statement file number to which this form
relates: Not Applicable.
Securities to be registered pursuant to Section 12(b) of the Act:
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Title Of Each Class Name of Each Exchange On Which
To Be So Registered Each Class Is To Be Registered
None N/A
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Securities to be registered pursuant to Section 12(g) of the Act:
Common Stock and Subordinated Debenture Purchase Rights
(Title of Class)
The purpose of this amendment is to de-register the securities, known
as Common Stock and Subordinated Debenture Purchase Rights, registered on a Form
8-A filed by OSI Pharmaceuticals, Inc. (the "Company") on January 12, 1999, file
number 000-15190, for the reason that such securities were redeemed by the
Company on July 23, 1999.
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SIGNATURE
Pursuant to the requirements of Section 12 of the Securities Exchange
Act of 1934, the Registrant has duly caused this amended registration statement
to be signed on its behalf by the undersigned, thereto duly authorized.
Date: July 27, 1999 OSI PHARMACEUTICALS, INC.
By: /s/ Robert L. Van Nostrand
Name: Robert L. Van Nostrand
Title: Vice President and
Chief Financial Officer,
Secretary and Treasurer
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