SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person*
Thayer Dave A

(Last) (First) (Middle)
C/O 3883 HOWARD HUGHES PARKWAY
SUITE 700

(Street)
LAS VEGAS NV 89169

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
12/11/2012
3. Issuer Name and Ticker or Trading Symbol
AMERICAN PACIFIC CORP [ APFC ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
VP & GM-Utah Operations
5. 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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 7,061 D (1)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) (2) 09/13/2015 Common Stock 5,000 6.34 D
Stock Option (Right to Buy) (3) 11/03/2018 Common Stock 5,000 11.25 D
Stock Option (Right to Buy) (4) 11/10/2019 Common Stock 5,000 7.15 D
Stock Option (Right to Buy) (5) 12/13/2021 Common Stock 5,000 7.61 D
Explanation of Responses:
1. Of the amount of shares beneficially owned, 3,000 shares represent unvested awards of restricted stock that vest in three equal annual installments beginning on 12/13/12.
2. The options vested in two equal annual installments on 09/13/05 and 09/13/06.
3. The options vested in three equal annual installments on 11/03/09, 11/03/10 and 11/3/11.
4. The options vested in three equal annual installments on 11/10/10, 11/10/11 and 11/10/12.
5. The options vest in three equal annual installments beginning on 12/13/12.
Remarks:
Dave A. Thayer 12/13/2012
** 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 5 (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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