4 1 rrd2601.htm 12/13/02 FORM 4 SEC Form 4
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

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*
Gibson, John R.
(Last)                      (First)                      (Middle)
7409 Doe Avenue
(Street)
Las Vegas,    NV   89117
(City)                      (State)                      (Zip)
2. Issuer Name
and Ticker or Trading Symbol

American Pacific Corporation
apfc
3. I.R.S. Identification
    Number of Reporting
    Person, if an entity
    (voluntary)
4. Statement for
    Month/Day/Year

12/13/2002

5. If Amendment,
    Date of Original
    (Month/Day/Year)
6. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

Description           CEO & President
7. 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. Owner-
    ship
    Form:
    Direct (D)
    or
    Indirect (I)

    (Instr. 4)
7. Nature of
     Indirect
     Beneficial
     Ownership

    (Instr. 4)
Code
V
Amount
A/D
Price
Common Stock
54,882
D
Common Stock
3,198
I
See Note 1 below.

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. Conver-
    sion or
    Exercise
    Price of
    Deri-
    vative
    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(DE) and
    Expiration Date(ED)
    (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. Owner-
ship
Form of
Deriv-
ative
Securities:
Direct (D)
or
Indirect (I)

(Instr.4) 		11. Nature of
      Indirect
      Beneficial
      Ownership
      (Instr.4)
Code
V
A
D
DE
ED
Title
Amount or Number of Shares
Options to Purchase $6.375
             
12/30/97
12/30/02
Common Stock
20,000
20,000
D
Options to Purchase $7.125
             
7/8/98
7/8/03
Common Stock
25,000
25,000
D
Options to Purchase $7.125
             
7/8/99
7/8/04
Common Stock
25,000
25,000
D
Options to Purchase $7.125
             
7/8/00
7/8/05
Common Stock
25,000
25,000
D
Options to Purchase $7.781
             
9/14/99
9/14/04
Common Stock
22,500
22,500
D
Options to Purchase $7.781
             
9/14/00
9/14/05
Common Stock
22,500
22,500
D
Options to Purchase $4.87
             
4/24/01
4/24/11
Common Stock
25,000
25,000
D
Options to Purchase $4.87
             
4/24/02
4/24/11
Common Stock
25,000
25,000
D
Options to Purchase $8.30 12/13/02
A
25,000       
12/13/02
12/13/12
Common Stock
25,000
25,000
D
Options to Purchase $8.30 12/13/02
A
25,000       
12/13/03
12/13/12
Common Stock
25,000
25,000
D
Explanation of Responses:
 
(1)For the benefit of the Reporting Person. Shares are held by an Institutional Fiduciary in the American Pacific Corporation Qualified Section 401(k) Plan.
By:
/s/ John R. Gibson                                                                                                12/13/02
** Signature of Reporting Person                                                                                    Date      




SEC 1474 (9-02)
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).
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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