SSD Simpson Manufacturing Co Inc

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 OF SECURITIES                                                                                   
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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 * Colonias Karen Winifred	2. Issuer Name and Ticker or Trading Symbol Simpson Manufacturing Co., Inc. [ SSD ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) President & CEO
(Last)          (First)          (Middle) 5956 W. LAS POSITAS BLVD.	3. Date of Earliest Transaction (MM/DD/YYYY) 9/28/2020
(Street) PLEASANTON, CA 94588 (City)        (State)        (Zip)	4. 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	9/28/2020		S(1)		2654	D	$95.50 (2)	77150	I	By Trust (3)
Common Stock	9/28/2020		S(1)		2281	D	$96.20 (4)	74869	I	By Trust (3)
Common Stock								39779	D
Common Stock								3446	I	By Trust (PSP) (5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
(2)	The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $95.00 to $95.99, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(3)	These shares are held by the Colonias Family Trust 9/18/12 for the benefit of the reporting person's children. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.
(4)	The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $96.00 to $96.59, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(5)	The shares are owned by the Simpson Manufacuturing Co., Inc. Profit Sharing Plan for Salaried Employees (the "Plan") of which the reporting person is a participant. The Plan is qualified under sections 401(a)(26) and 410 of the Internal Revenue Code.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Colonias Karen Winifred 5956 W. LAS POSITAS BLVD. PLEASANTON, CA 94588	X		President & CEO

Signatures
Cari Fisher, Attorney-in-Fact		9/30/2020
**Signature of Reporting Person		Date