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 *

SIMPSON, BARCLAY    

(Street)

 Dublin, CA  94568

(City)       (State)          (Zip)

 2. Issuer Name and Ticker
    or Trading Symbol

SIMPSON MANUFACTURING CO., INC. - (SSD)

 3. I.R.S. Identification
    Number of Reporting
    Person, if an entity
    (voluntary)

4. Statement for (Month/Year)

AUGUST 2002

 5. If Amendment, Date of
    Original (Month/Year)

/ 

 6. Relationship of Reporting Person(s) to Issuer

(Check all applicable)

    ý    Director       ý    10% Owner
   ý    Officer            Other

Officer/Other
Description           CHAIRMAN OF THE BOARD

 7. Individual or Joint/Group
     Filing (Check Applicable Line)

ý    Form filed by One Reporting Person
    Form filed by More than One Reporting Person

1. Title of
    Security
    (Instr. 3)

2. Transaction Date
    (Month/Day/Year)

3. Transaction Code and Voluntary Code (Instr. 8)

4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

5. Amount of
    Securities
    Beneficially
    Owned at
    End of Month
    (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

08/22/2002

J

V

9

D

$31.80

4,277

I

By Trust

Common Stock

08/22/2002

X

1,000

A

$18.3219

7,002,142

D

Common Stock

10,002

I

By General Partnership

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
    Derivative
    Security

3. Transaction
    Date

    (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
    at End of
    Month
    (Instr. 4)

10. Owner-
ship Form
  of Deri-  vative
  Securities
  Beneficially
  Owned at
  End of
  Month
  (Instr. 4)

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

Code

V

(DE)

(ED)

Title

Amount or Number of Shares

Options on Common Stock

$18.3219

08/22/2002

X

1,000

D

Immed

12/31/2003

Common Stock

1,000

Options on Common Stock

250

D

Options on Common Stock

250

D

Options on Common Stock

250

D

Options on Common Stock

250

D

Options on Common Stock

250

D

Options on Common Stock

250

D

Options on Common Stock

250

D

Options on Common Stock

250

D

Explanation of responses:

J          The shares are owned by the Simpson Manufacturing Co., Inc. Profit Sharing Plan for Salaried Employees (the “Plan”) of which the reporting person is a participant. The change in the number of shares held by the reporting person represents a rebalancing of his position.

** Signature of Reporting Person

Date