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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person * HOOK THOMAS J   2. Issuer Name and Ticker or Trading Symbol GREATBATCH, INC. [GB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President & CEO (Last) (First) (Middle) 9645 WEHRLE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 03/06/2007 (Street) CLARENCE, NY 14031 4. If Amendment, Date 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 (City) (State) (Zip) 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 03/06/2007   A   12,592 (1) A $ 0 84,091 D   Common               1,140.541 I By 401(k)

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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

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee stock options

$ 16.7

03/06/2007

A

12,000

12/31/2004(2)

09/01/2014

Common

12,000

$ 0

23,976

D

Employee stock options

$ 24.62

03/06/2007

A

120

12/31/2005(3)

05/24/2015

Common

120

$ 0

242

D

Employee stock options

$ 25.5

03/06/2007

A

31,481

12/31/2007(4)

03/06/2017

Common

31,481

$ 0

31,481

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HOOK THOMAS J 9645 WEHRLE DRIVE CLARENCE, NY 14031	X		President & CEO

Signatures

/s/ Christopher J. Thome as attorney-in-fact for Thomas J. Hook		03/08/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Grant of restricted stock pursuant to issuer's Stock Incentive Plan consisting of 12,592 shares of restricted stock over a four-year period, 50% after the first two years, 25% after the third year and 25% after the fourth year. The vesting will occur on the last calendar day of the appropriate year.
(2)	On September 1, 2004, the reporting person was granted an option to purchase 50,000 shares of common stock. The option vests in partial installments beginning December 31, 2004, subject to satisfaction of certain performance criteria by the issuer. The performance criteria for 12,000 shares has been met resulting in the vesting of those shares subject to possible recalculation.
(3)	On May 24, 2005, the reporting person was granted an option to purchase 500 shares of common stock. The option vests in partial installments beginning December 31, 2005, subject to satisfaction of certain performance criteria by the issuer. The performance criteria for 120 shares has been met resulting in the vesting of those shares subject to possible recalculation.
(4)	These non-qualified options vest in four equal installments beginning with 25% on December 31, 2007; 25% on December 31, 2008; 25% on December 31, 2009; and 25% on December 31, 2010.

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