SEC FORM 4

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

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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^*

GIBSON FRED D JR

(Last)

(First)

(Middle)

C/O 3770 HOWARD HUGHES PARKWAY

SUITE 300

(Street)

LAS VEGAS

89169

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
AMERICAN PACIFIC CORP [ APFC ]

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

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
04/10/2008

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	04/10/2008		G⁽¹⁾	V	4,000	D	$0.00	420,932	I	Trust
Common Stock	04/14/2008		G⁽¹⁾	V	4,000	D	$0.00	416,932	I	Trust

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$4.87							04/24/2001	04/24/2011	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$4.87							04/24/2002	04/24/2011	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$8.36							11/22/2002	11/22/2012	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$8.36							11/22/2003	11/22/2012	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$9.44							11/22/2003	11/22/2013	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$9.44							11/22/2004	11/22/2013	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$8.3							11/22/2004	11/22/2014	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$8.3							11/22/2005	11/22/2014	Common Stock	2,500		2,500	D
Stock Option (Right to Buy)	$6.34							09/13/2005	09/13/2015	Common Stock	5,000		5,000	D
Stock Option (Right to Buy)	$6.34							09/13/2006	09/13/2015	Common Stock	5,000		5,000	D
Stock Option (Right to Buy)	$16.93							11/22/2009	11/22/2017	Common Stock	1,786		1,786	D
Stock Option (Right to Buy)	$16.93							11/22/2010	11/22/2017	Common Stock	1,785		1,785	D

Explanation of Responses:

1. In conjunction with a $1 million commitment to Georgia Institute of Technology for the purpose of establishing a permanent endowment to support the Mary and Maisie Gibson Chair and Georgia Research Alliance (GRA) Eminent Scholar in Computational Biology, Mr. Gibson gifted 4,000 shares of common stock on April 10, 2008 and 4,000 shares of common stock on April 14, 2008, which were indirectly held in a Family Trust.

Remarks:

	John R. Gibson Attorney-in-Fact for Fred D. Gibson, Jr.	04/14/2008
	** 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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