Form 4 SHINGAL ATUL For: Jun 26 (10K)

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

SHINGAL ATUL

(Last)

(First)

(Middle)

217 DEVCON DRIVE

(Street)

SAN JOSE

95112

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
SIRF TECHNOLOGY HOLDINGS INC [SIRF]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Vice President, Operations

3. Date of Earliest Transaction (Month/Day/Year)
06/26/2009

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/26/2009		D		81,496	D	⁽¹⁾	0	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security
(Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code
(Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date
(Month/Day/Year)

7. Title and Amount of Underlying Securities
(Instr. 3 and 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Incentive Stock Option (right to buy)

$ 4

06/26/2009

84,166

12/17/2003

07/29/2013

Common Stock

84,166

⁽²⁾

Non-Qualified Stock Option (right to buy)

$ 4

06/26/2009

20,834

12/17/2003

07/29/2013

Common Stock

20,834

⁽³⁾

Non-Qualified Stock Option (right to buy)

$ 12.51

06/26/2009

30,000

12/01/2005

12/14/2014

Common Stock

30,000

⁽⁴⁾

Non-Qualified Stock Option (right to buy)

$ 25.16

06/26/2009

16,000

04/24/2008

04/24/2013

Common Stock

16,000

⁽⁵⁾

Non-Qualified Stock Option (right to buy)

$ 5.62

06/26/2009

55,000

05/08/2009

05/08/2015

Common Stock

55,000

⁽⁶⁾

Non-Qualified Stock Option (right to buy)

$ 3.39

06/26/2009

58,500

05/03/2008

05/03/2017

Common Stock

58,500

⁽⁷⁾

Explanation of Responses:

1. 34,496 of these shares were disposed of pursuant to the Agreement and Plan of Merger, dated as of February 9, 2009 (the "Merger Agreement"), by and among CSR plc ("CSR"), Shannon Acquisition Sub, Inc., and SiRF Technology Holdings, Inc., in exchange for 25,561 ordinary shares of CSR having a market value of $5.74 per share (based on an exchange rate of ?1.00 = $1.6432) on the effective date of the merger. 47,000 of these shares subject to restricted stock units were assumed by CSR pursuant to the Merger Agreement and replaced with 34,827 ordinary shares of CSR, subject to the same terms and conditions (including applicable vesting requirements and deferral provisions) as applied to such restricted stock units.

2. These options were assumed by CSR pursuant to the Merger Agreement and replaced with options to purchase 62,367 ordinary shares of CSR for an exercise price of $5.40 per share, subject to the same terms and conditions (including applicable vesting requirements and deferral provisions) as applied to such SiRF options.

3. These options were assumed by CSR pursuant to the Merger Agreement and replaced with options to purchase 15,437 ordinary shares of CSR for an exercise price of $5.40 per share, subject to the same terms and conditions (including applicable vesting requirements and deferral provisions) as applied to such SiRF options.

4. These options were assumed by CSR pursuant to the Merger Agreement and replaced with options to purchase 22,230 ordinary shares of CSR for an exercise price of $16.89 per share, subject to the same terms and conditions (including applicable vesting requirements and deferral provisions) as applied to such SiRF options.

5. These options were assumed by CSR pursuant to the Merger Agreement and replaced with options to purchase 11,856 ordinary shares of CSR for an exercise price of $33.96 per share, subject to the same terms and conditions (including applicable vesting requirements and deferral provisions) as applied to such SiRF options.

6. These options were assumed by CSR pursuant to the Merger Agreement and replaced with options to purchase 40,755 ordinary shares of CSR for an exercise price of $7.59 per share, subject to the same terms and conditions (including applicable vesting requirements and deferral provisions) as applied to such SiRF options.

7. These options were assumed by CSR pursuant to the Merger Agreement and replaced with options to purchase 43,348 ordinary shares of CSR for an exercise price of $4.58 per share, subject to the same terms and conditions (including applicable vesting requirements and deferral provisions) as applied to such SiRF options.

	/s/ Dennis Bencala For: Atul Shingal	06/29/2009
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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