SEC Form 4

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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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* PECK PATRICK F (Last) (First) (Middle) 8283 GREENSBORO DRIVE (Street) MCLEAN VA 22102 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Booz Allen Hamilton Holding Corp [ BAH ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) X Other (specify below) Executive Vice President / Member of 13D Group
	3. Date of Earliest Transaction (Month/Day/Year) 07/01/2011
	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
Class A Common Stock	07/01/2011		M		29,198	A	$0.01	29,198	D
Class A Common Stock	07/01/2011		S		29,198	D	$19.1042(1)(2)	0	D
Class A Common Stock	07/01/2011		A		14,018	A	$0.00	14,018(3)	D
Class A Common Stock								9,540	I	By Trust(4)

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 Securities Underlying Derivative Security (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: 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 Option (right to buy)	$0.01	07/01/2011		M		29,198		(5)	09/15/2011	Class A Common Stock	29,198	$0.00	0	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.94 to $19.22, inclusive. The reporting person undertakes to provide to Booz Allen Hamilton Holding Corporation, any of its security holders, or the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2011.

3. Includes 14,018 shares of Class A restricted common stock, one-third of which vests on each of June 30, 2012, 2013 and 2014.

4. Shares held by Patrick F. Peck Trust.

5. The options reported in this transaction vested on June 30, 2011. All vested options must be exercised within 77 days following the exercise date unless the reporting person receives written consent from the issuer, in which case, such options may be exercised through the end of the year in which they become exercisable. Upon exercise of an option, the reporting person must sell to the issuer, and it must repurchase at par value, one share of Class E special voting common stock for each option exercised.

Remarks:

	By: /s/ Terence E. Kaden, Attorney-in-Fact for Patrick E. Peck	07/06/2011
	** 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).
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