MICHAEL S. SIMMONS

Corporate Board Profile

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COMPX INTERNATIONAL INC

Filing Date Source Excerpt
2023-04-11 Michael S. Simmons, age 51, has served as our vice chairman of the board since January 2023 and on our board of directors since May 2022. 2022 Summary Compensation Table shows total compensation of $229,000.
2024-04-09 Michael S. Simmons, age 52, has served as our vice chairman of the board since January 2023 and on our board of directors since 2022. 2023 Summary Compensation Table shows total compensation of $162,000.
2025-04-08 Michael S. Simmons, age 53, has served as vice chairman of the board since 2023 and on our board since 2022. 2024 Summary Compensation Table shows total compensation of $191,000.

KRONOS WORLDWIDE INC

Filing Date Source Excerpt
2023-03-28 Michael S. Simmons, age 51, has served on our board of directors and as our vice chairman of the board since January 2023. He previously served as our executive vice president, finance from May 2022 to January 2023; as our senior vice president, finance from 2021 to 2022 and as our vice president, finance from 2019 to 2021. He currently serves as vice chairman of the board, president and chief executive officer of Valhi; as vice chairman of the board of NL and CompX; and as president and chief executive officer of Contran. He has served as a director of Valhi and CompX since May 2022 and as a director of NL and Contran since January 2023. Mr. Simmons has served in accounting and financial positions (including officer positions) with various companies related to us and Contran since 2018. From 1994 to 2018, Mr. Simmons was employed by PwC, most recently as a managing director.
2024-03-26 Michael S. Simmons, age 52, has served on our board of directors and as our vice chairman of the board since January 2023. He previously served as our executive vice president, finance from 2022 to January 2023; as our senior vice president, finance from 2021 to 2022; and as our vice president, finance from 2019 to 2021. He currently serves as vice chairman of the board, president and chief executive officer of Valhi; as vice chairman of the board of NL and CompX; and as president and chief executive officer of Contran. He has served as a director of Valhi and CompX since 2022 and as a director of NL and Contran since January 2023. Mr. Simmons has served in accounting and financial positions (including officer positions) with various companies related to us and Contran since 2018. From 1994 to 2018, Mr. Simmons was employed by PwC, most recently as a managing director.
2025-03-25 Michael S. Simmons, age 53, has served on our board of directors and as our vice chairman of the board since 2023. He previously served as our executive vice president, finance from 2022 to 2023; as our senior vice president, finance from 2021 to 2022; and as our vice president, finance from 2019 to 2021. He currently serves as vice chairman of the board, president and chief executive officer of Valhi; as vice chairman of the board of NL and CompX; and as president and chief executive officer of Contran. He has served as a director of Valhi and CompX since 2022 and as a director of NL and Contran since 2023. Mr. Simmons has served in accounting and financial positions (including officer positions) with various companies related to us and Contran since 2018. From 1994 to 2018, Mr. Simmons was employed by PwC, most recently as a managing director. Mr. Simmons is not related to Lisa K. Simmons, who may be deemed to control Kronos Worldwide.

NL INDUSTRIES INC

Filing Date Source Excerpt
2023-03-29 Michael S. Simmons, age 51, has served on our board of directors and as our vice chairman of the board since January 2023. ... For the years reflected in the 2022 Summary Compensation Table, we did not pay Mr. Graham any compensation for his service as a director of us, CompX or Kronos Worldwide and did not pay Ms. Riley for her services as one of our directors.
2024-03-27 Michael S. Simmons, age 52, has served on our board of directors and as our vice chairman of the board since January 2023. ... For the years reflected in the 2023 Summary Compensation Table, we did not pay Mr. Simmons any compensation for his service as a director of us, CompX or Kronos Worldwide.
2025-03-26 Michael S. Simmons, age 53, has served on our board of directors and as our vice chairman of the board since 2023.

VALHI INC /DE/

Filing Date Source Excerpt
2023-04-05 Michael S. Simmons, age 51, has served as our vice chairman of the board and chief executive officer since January 2023, and on our board of directors and as our president since May 2022. Our executive officers, including our named executive officers, are not eligible to receive cash or equity based compensation for their service on the board of directors.
2024-04-03 Michael S. Simmons, age 52, has served as our vice chairman of the board and chief executive officer since January 2023, and on our board of directors and as our president since 2022. He previously served as our senior vice president, finance from 2021 to 2022 and as our vice president and chief accounting officer from 2019 to 2021. He currently serves as vice chairman of the board of Kronos Worldwide, NL and CompX and as president and chief executive officer of Contran. He has served as a director of CompX since 2022 and as a director of Kronos Worldwide, NL and Contran since January 2023. Mr. Simmons has served in various accounting and financial positions (including officer positions) in various companies related to us and Contran since 2018. From 1994 to 2018, Mr. Simmons was employed by PwC, most recently as a managing director. Mr. Simmons is not related to Lisa K. Simmons, who may be deemed to control Valhi. Mr. Simmons has extensive experience with our business. He also has senior executive, operating, corporate governance, finance, financial accounting and auditing experience with us, from one of the largest independent international public accounting firms, and from other publicly and privately held entities related to us for which he currently serves or formerly served. No Director Fees or Equity-Based Compensation for Executive Officers. Our executive officers, including our named executive officers, are not eligible to receive cash or equity based compensation for their service on the board of directors of us, CompX, Kronos Worldwide or NL. For the years reflected in the 2023 Summary Compensation Table, no compensation was paid to Mr. Simmons as a director of us, Kronos Worldwide, NL or CompX.
2025-04-02 He has served in various accounting and financial positions.

Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-03-22