Simpson Manufacturing Co., Inc. — Director's Dealing 2021

Feb 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Simpson Manufacturing Co., Inc. (SSD)
CIK: 0000920371
Period of Report: 2021-02-16

Reporting Person: Colonias Karen Winifred (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-16	Common Stock	A	30103	—	Acquired	78865	Direct
2021-02-16	Common Stock	F	18056	$95.53	Disposed	60809	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	34869	Indirect
Common Stock	3494	Indirect

Footnotes

F1: Represents performance stock units granted in February 2018, for which the performance and vesting periods ended December 31, 2020, and for which the settlement date was February 16, 2021.

F2: Represents shares of common stock withheld by the Company to satisfy the tax withholding obligation for the reporting person's performance stock units that settled on February 16, 2021, and restricted stock units that vested on February 16, 2021.

F3: Includes 16,758 restricted stock units that have not yet vested.

F4: 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.

F5: 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 Plan is qualified under sections 401(a)(26) and 410 of the Internal Revenue Code.