Page 3 of 9 – SEC Filing SCHEDULE 13D
CUSIP No. 006855100 Page 3 of 13 Pages
1 NAME OF REPORTING PERSON Deerfield Management Company, L.P. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) o (b) x 3 SEC USE ONLY 4 SOURCE OF FUNDS AF 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) o 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 7 SOLE VOTING POWER 0 8 SHARED VOTING POWER 1,600,861 (2) 9 SOLE DISPOSITIVE POWER 0 10 SHARED DISPOSITIVE POWER 1,600,861 (2) 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,600,861 (2) 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* o 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 9.79% (2) 14 TYPE OF REPORTING PERSON PN
(2) Consists of shares of Class A Common Stock held by Deerfield Partners, L.P. and Deerfield International Master Fund, L.P., of each of which Deerfield Management Company, L.P. is the investment adviser.
SCHEDULE 13D |
CUSIP No. | 006855100 | Page 3 of 13 Pages |
1 | NAME OF REPORTING PERSON Deerfield Management Company, L.P. | ||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) o (b) x | |
3 | SEC USE ONLY | ||
4 | SOURCE OF FUNDS AF | ||
5 | CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) | o | |
6 | CITIZENSHIP OR PLACE OF ORGANIZATION Delaware | ||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH | 7 | SOLE VOTING POWER 0 | |
8 | SHARED VOTING POWER 1,600,861 (2) | ||
9 | SOLE DISPOSITIVE POWER 0 | ||
10 | SHARED DISPOSITIVE POWER 1,600,861 (2) | ||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,600,861 (2) | ||
12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* | o | |
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 9.79% (2) | ||
14 | TYPE OF REPORTING PERSON PN |