Page 2 of 13 – SEC Filing 1 NAME OF REPORTING PERSONS
Castlerigg Master Investments Ltd.
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) x
(b) ¨
3 SEC USE ONLY
4 SOURCE OF FUNDS
WC
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) ¨ 6 CITIZENSHIP OR PLACE OF ORGANIZATION
British Virgin Islands
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH 7 SOLE VOTING POWER
0
8 SHARED VOTING POWER
1,601,361 shares of Common Stock (including options
to purchase 337,700 shares of Common Stock)
9 SOLE DISPOSITIVE POWER
0
10 SHARED DISPOSITIVE POWER
1,601,361 shares of Common Stock (including options
to purchase 337,700 shares of Common Stock)
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
1,601,361 shares of Common Stock (including options
to purchase 337,700 shares of Common Stock)
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES ¨ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item
5)
8.1%
14 TYPE OF REPORTING PERSON
CO
1 | NAME OF REPORTING PERSONS Castlerigg Master Investments Ltd. | |||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) x (b) ¨ | ||
3 | SEC USE ONLY | |||
4 | SOURCE OF FUNDS WC | |||
5 | CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) | ¨ | ||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands | |||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH | 7 | SOLE VOTING POWER 0 | ||
8 | SHARED VOTING POWER 1,601,361 shares of Common Stock (including options | |||
9 | SOLE DISPOSITIVE POWER 0 | |||
10 | SHARED DISPOSITIVE POWER 1,601,361 shares of Common Stock (including options | |||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON 1,601,361 shares of Common Stock (including options | |||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ¨ | ||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) (see Item 8.1% | |||
14 | TYPE OF REPORTING PERSON CO | |||