Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Leung Sunny H

2. Date of Event Requiring Statement (MM/DD/YYYY) 12/29/2015

3. Issuer Name and Ticker or Trading Symbol

SIMPSON MANUFACTURING CO INC /CA/ [SSD]

(Last) (First) (Middle)

5956 W. LAS POSITAS BLVD.

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

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
Vice President /

(Street)

PLEASANTON, CA 94588

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

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 (RSUs awarded February 2, 2015)	967 ⁽¹⁾	D
Common Stock (RSUs awarded February 3, 2014)	1931 ⁽²⁾	D
Common Stock (RSUs awarded February 6, 2013)	1447 ⁽³⁾	D
Common Stock	484	D
Common Stock	857 ⁽⁴⁾	I	By Trust

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Options on Common Stock	2/3/2012	2/3/2018	Common Stock	11000.0	$29.66	D

Explanation of Responses:
( 1)	Amount includes 967 shares of restricted stock units (RSUs) awarded on February 2, 2015. RSUs vest one fourth on each of the award date and the first, second and third anniversaries of the award date. The 967 shares are net of the number of shares expected to be withheld to cover the estimated income taxes due on vesting.
( 2)	Amount includes 1,931 shares of restricted stock units (RSUs) awarded on February 3, 2014. RSUs vest one fourth on each of the award date and the first, second and third anniversaries of the award date. The 1,931 shares are net of the number of shares expected to be withheld to cover the estimated income taxes due on vesting.
( 3)	Amount includes 1,447 shares of restricted stock units (RSUs) awarded on February 6, 2013. RSUs vest one fourth on each of the award date and the first, second and third anniversaries of the award date. The 1,447 shares are net of the number of shares expected to be withheld to cover the estimated income taxes due on vesting.
( 4)	The shares are owned by the Simpson Manuafacturing Co., Inc. 401(K) Profit Sharing Plan (the "Plan") of which the reporting person is a participant. The Plan qualifies under sections 401(a)(26) and 410 of the Internal Revenue Code.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Leung Sunny H 5956 W. LAS POSITAS BLVD. PLEASANTON, CA 94588			Vice President

Signatures
/s/SUNNY H. LEUNG		1/13/2016
^** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.