X0303 4 2008-12-15 0 0001163943 SIRF TECHNOLOGY HOLDINGS INC SIRF 0001134607 BANATAO DIOSDADO P 217 DEVCON DRIVE SAN JOSE CA 95112 1 0 0 0 Common Stock-Banatao Living Trust DTD 7/21/99 2008-12-15 4 X 0 450000 0 D 0 I by Trust Common Stock - Tallwood Equities, LLC 900000 I by Corporation Common Stock-Banatao Heritage Trust U/A DTD 5/7/01 54000 I by Trust Common Stock-Tallwood Investment Trust IV 140000 I by Trust Common Stock-Tallwood Partners LLC 1086816 I by Corporation Put Option (right to sell) 2008-12-15 4 X 0 450000 D 2008-12-15 Common Stock-Banatao Living Trust DTD 7/21/99 450000 0 I by Trust Non-Qualified Stock Option (right to buy) 13.07 2005-06-30 2014-06-30 Common Stock 15625 15625 D Non-Qualified Stock Option (right to buy) 13.6 2006-05-18 2015-05-18 Common Stock 10563 10563 D Non-Qualified Stock Option (right to buy) 24.35 2008-05-03 2017-05-03 Common Stock 18000 18000 D Non-Qualified Stock Option (right to buy) 36.22 2007-05-04 2016-05-04 Common Stock 18000 18000 D This Form 4 relates to the settlement of a prepaid forward contract (Right to Sell) held by Banatao Living Trust DTD 7/21/99 entered into on 8/31/07. This Form 4 relates to the settlement of a prepaid forward contract (Right to Sell) held by Banatao Living Trust DTD 7/21/99 entered into on 8/31/07. On 12/15/08, the settlement date of the prepaid forward contract, the price per share of the registrant's common stock was less than the Floor Price of $16.6086 per share resulting in the full amount of the shares deliverable on the settlement date in accordance with the prepaid forward contract. Of such 50,000 shares, vests as to 12,500 shares on 6/30/05 and monthly thereafter 6/30/05 to 6/30/08. Option becomes exercisable as it vests. Of such 19,500 shares, vests as to 4,875 shares on 5/18/06 and monthly thereafter from 5/18/06 to 5/18/09. Option becomes exercisable as it vests. Option vests 100% on 5/3/2008. Option becomes exercisable once vested. Option vests 100% on 5/4/2007. Option becomes exercisable once vested. By: Dennis Bencala For: Diosdado Banatao 2008-12-17