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 * GATES SIGNE S   2. Issuer Name and Ticker or Trading Symbol BARNES GROUP INC [B] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. VP, Gen. Counsel & Sec. (Last) (First) (Middle) BARNES GROUP INC., 123 MAIN STREET 3. Date of Earliest Transaction (Month/Day/Year) 09/17/2009 (Street) BRISTOL, CT 06011-0489 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 Stock 09/17/2009   M   7,252 (1) A $ 17.175 0 D   Common Stock 09/17/2009   M   49 (1) A $ 17.175 0 D   Common Stock 09/17/2009   S   7,301 (1) D $ 17.2869 0 D   Common Stock 09/18/2009   M   525 (1) A $ 17.175 0 D   Common Stock 09/18/2009   S   525 (1) D $ 17.259 109,226.3184 (2) D

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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 Stk Option-Right to Buy

$ 17.175

09/17/2009

M

7,252

(3)

02/06/2011

Common Stock

7,252

(4)

0

D

Employee Stk Option-Right to Buy

$ 17.175

09/17/2009

M

49

(3)

02/05/2012

Common Stock

49

(4)

525

D

Employee Stk Option-Right to Buy

$ 17.175

09/18/2009

M

525

(3)

02/05/2012

Common Stock

525

(4)

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GATES SIGNE S BARNES GROUP INC. 123 MAIN STREET BRISTOL, CT 06011-0489			Sr. VP, Gen. Counsel & Sec.

Signatures

Signe S. Gates		09/21/2009
**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)	Transaction is made in accordance with a 10b5-1 Plan.
(2)	Includes 3332 restricted stock units from 2/15/06 grant, 3596 from 2/14/07 grant, 4500 from 2/13/08 grant and 9700 from 2/10/09 grant, and balances of 1800 performance share awards from 2/14/07 grant and 3000 from 2/13/08 grant, that are subject for forfeiture if certain events occur.
(3)	The options vested 100% immediately on 8/29/2005.
(4)	1 for 1.

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