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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001193125-07-029757
Filing Date
2007-02-14
Accepted
2007-02-13 17:53:27
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 1 TO SCHEDULE 13G dsc13ga.htm SC 13G/A 66950
  Complete submission text file 0001193125-07-029757.txt   68936
Mailing Address 41 PINELAWN ROAD MELVILLE NY 11747
Business Address 41 PINELAWN ROAD MELVILLE NY 11747 631-962-2000
OSI PHARMACEUTICALS INC (Subject) CIK: 0000729922 (see all company filings)

IRS No.: 133159796 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-37954 | Film No.: 07612117
SIC: 2835 In Vitro & In Vivo Diagnostic Substances

Mailing Address ONE FINANCIAL CENTER 24FL BOSTON MA 02111
Business Address ONE FINANCIAL CENTER 24FL BOSTON MA 02111 6174287100
WESTFIELD CAPITAL MANAGEMENT CO LLC (Filed by) CIK: 0001177719 (see all company filings)

IRS No.: 300027188 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A