SEC Form 4 · Updated Daily
CIX
— COMPX INTERNATIONAL INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| CONNELLY SERENA S | 10%+ Owner | 10,755,104 | 2018-07-17 | J |
| NL INDUSTRIES INC | 10%+ Owner | 10,755,104 | 2018-07-17 | J |
| NOA INC | 10%+ Owner | 10,000,000 | 2007-10-26 | J |
| VALHI GROUP INC | 10%+ Owner | 10,000,000 | 2007-10-26 | J |
| SOUTHWEST LOUISIANA LAND CO INC | 10%+ Owner | 10,000,000 | 2007-10-26 | J |
| NATIONAL CITY LINES INC | 10%+ Owner | 10,000,000 | 2007-10-26 | J |
| Harold C. Simmons Family Trust No. 1 | 10%+ Owner | 755,104 | 2013-12-28 | — |
| Sessa Capital IM GP, LLC | 10%+ Owner | 431,732 | 2014-08-27 | — |
| Sessa Capital (Master), L.P. | 10%+ Owner | 431,732 | 2014-08-27 | — |
| Sessa Capital IM, L.P. | 10%+ Owner | 431,732 | 2014-08-27 | — |
| Sessa Capital GP, LLC | 10%+ Owner | 431,732 | 2014-08-27 | — |
| Petry John | 10%+ Owner | 431,732 | 2014-08-27 | — |
| CompX Group, Inc. | 10%+ Owner | 381,004 | 2006-10-10 | J |
| SIMMONS GLENN R | Director | 24,315 | 2012-05-30 | A |
| HARDIN EDWARD J | Director | 20,000 | 2015-05-27 | A |
| WATSON STEVEN L | Director · Officer | 18,000 | 2016-05-25 | A |
| BOWERS DAVID A | Director | 13,950 | 2020-05-27 | A |
| Feehan Loretta J. | Director | 13,400 | 2026-05-20 | A |
| EDELCUP NORMAN S | Director | 13,000 | 2015-05-27 | A |
| BARRY THOMAS E | Director | 12,100 | 2026-05-20 | A |
| BASS PAUL M JR | Director | 10,500 | 2009-05-27 | A |
| MANIX ANN | Director | 10,255 | 2026-08-11 | S |
| Herrington Terri | Director | 10,100 | 2026-05-20 | A |
| Tidlund Mary A. | Director | 8,100 | 2026-05-20 | A |
| Kramer Kevin B | Director | 6,789.756 | 2023-05-25 | P |
| SIMMONS HAROLD C | 10%+ Owner · Director · Officer | 5,900 | 2013-06-20 | J |
| MOORE CECIL H JR | Director | 3,350 | 2018-05-23 | A |
| O BRIEN BOBBY D | Director · Officer | 3,300 | 2016-05-25 | A |
| Norris Gina A. | Director | 3,250 | 2026-05-20 | A |
| POSTON GEORGE E | Director | 3,000 | 2015-05-27 | A |
| VALHI INC /DE/ | 10%+ Owner | 3,000 | 2010-12-14 | J |
| TIMET FINANCE MANAGEMENT CO | 10%+ Owner | 3,000 | 2010-12-14 | J |
| DIXIE RICE AGRICULTURE CORP INC | 10%+ Owner | 3,000 | 2010-12-14 | J |
| TITANIUM METALS CORP | 10%+ Owner | 3,000 | 2010-12-14 | J |
| VALHI HOLDING CO | 10%+ Owner | 3,000 | 2010-12-14 | J |
| NACE ANDREW B | Officer | 2,806.865 | 2023-05-25 | P |
| Hanley Bryan A. | Officer | 2,250 | 2025-03-11 | P |
| GRAHAM ROBERT D | Officer | 2,000 | 2020-03-13 | P |
| Fisher Elisabeth C. | Director | 2,000 | 2017-05-24 | A |
| Simmons Michael Shawn | Director · Officer | 1,700 | 2026-05-20 | A |
| JAMES SCOTT C | Director · Officer | 1,700 | 2026-05-20 | A |
| COMPX INTERNATIONAL INC | Officer | 1,500 | 2011-03-22 | S |
| HALBERT DARRYL R | Officer | 1,021 | 2011-03-24 | S |
| Samford Amy A. | Officer | 1,000 | 2022-12-06 | P |
| LUTTMER KELLY D | Officer | 200 | 2007-05-30 | — |
| CONTRAN CORP | 10%+ Owner | 0 | 2022-06-01 | S |
| Simmons Lisa K | 10%+ Owner | 0 | 2022-06-01 | S |
| Harold C. Simmons Family Trust No. 2 | 10%+ Owner | 0 | 2022-06-01 | S |
| KRONOS WORLDWIDE INC | 10%+ Owner | 0 | 2022-06-01 | S |
| Simmons Annette C | 10%+ Owner | 0 | 2014-08-27 | S |
| HOLLINGSWORTH J MARK | Officer | 0 | 2007-05-30 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-11 | MANIX ANN | Open-market sale | 2 | $29.74 | 8,775 |
| 2026-08-11 | MANIX ANN | Open-market sale | 795 | $29.73 | 8,777 |
| 2026-08-11 | MANIX ANN | Open-market sale | 33 | $29.56 | 9,572 |
| 2026-08-11 | MANIX ANN | Open-market sale | 100 | $29.53 | 9,605 |
| 2026-08-11 | MANIX ANN | Open-market sale | 200 | $29.44 | 9,705 |
| 2026-08-11 | MANIX ANN | Open-market sale | 330 | $29.42 | 9,905 |
| 2026-08-11 | MANIX ANN | Open-market sale | 20 | $29.41 | 10,235 |
| 2026-08-11 | MANIX ANN | Open-market sale | 20 | $29.41 | 10,255 |
| 2026-05-20 | BARRY THOMAS E | Grant / award | 1,700 | $23.44 | 12,100 |
| 2026-05-20 | Feehan Loretta J. | Grant / award | 1,700 | $23.44 | 13,400 |
| 2026-05-20 | Herrington Terri | Grant / award | 1,700 | $23.44 | 10,100 |
| 2026-05-20 | MANIX ANN | Grant / award | 1,700 | $23.44 | 10,275 |
| 2026-05-20 | Norris Gina A. | Grant / award | 1,700 | $23.44 | 3,250 |
| 2026-05-20 | Tidlund Mary A. | Grant / award | 1,700 | $23.44 | 8,100 |
| 2026-05-20 | Simmons Michael Shawn | Grant / award | 1,700 | $23.44 | 1,700 |
| 2026-05-20 | JAMES SCOTT C | Grant / award | 1,700 | $23.44 | 1,700 |
| 2025-05-21 | Tidlund Mary A. | Grant / award | 750 | $25.99 | 6,400 |
| 2025-05-21 | Norris Gina A. | Grant / award | 750 | $25.99 | 1,550 |
| 2025-05-21 | MANIX ANN | Grant / award | 750 | $25.99 | 8,575 |
| 2025-05-21 | Herrington Terri | Grant / award | 750 | $25.99 | 8,400 |
| 2025-05-21 | Feehan Loretta J. | Grant / award | 750 | $25.99 | 11,700 |
| 2025-05-21 | BARRY THOMAS E | Grant / award | 750 | $25.99 | 10,400 |
| 2025-03-11 | Hanley Bryan A. | Open-market buy | 200 | $22.50 | 2,250 |
| 2025-03-11 | Hanley Bryan A. | Open-market buy | 500 | $22.15 | 2,050 |
| 2025-03-11 | Hanley Bryan A. | Open-market buy | 50 | $21.50 | 1,550 |
| 2024-11-18 | Feehan Loretta J. | Gift | 700 | $0.00 | 10,950 |
| 2024-11-14 | Tidlund Mary A. | Open-market sale | 1,000 | $29.02 | 5,650 |
| 2024-11-12 | Tidlund Mary A. | Open-market sale | 2,000 | $28.58 | 6,650 |
| 2024-05-22 | Norris Gina A. | Grant / award | 800 | — | 800 |
| 2024-05-22 | Feehan Loretta J. | Grant / award | 800 | — | 11,650 |
| 2024-05-22 | BARRY THOMAS E | Grant / award | 800 | — | 9,650 |
| 2024-05-22 | MANIX ANN | Grant / award | 800 | — | 7,825 |
| 2024-05-22 | Tidlund Mary A. | Grant / award | 800 | — | 8,650 |
| 2024-05-22 | Herrington Terri | Grant / award | 800 | — | 7,650 |
| 2023-08-08 | MANIX ANN | Open-market sale | 1,200 | $21.60 | 7,025 |
| 2023-08-08 | MANIX ANN | Open-market sale | 200 | $21.55 | 8,225 |
| 2023-08-08 | MANIX ANN | Open-market sale | 600 | $21.53 | 8,425 |
| 2023-05-25 | NACE ANDREW B | Open-market buy | 100 | $18.92 | 2,806.865 |
| 2023-05-25 | NACE ANDREW B | Open-market buy | 100 | $18.75 | 2,706.865 |
| 2023-05-25 | NACE ANDREW B | Open-market buy | 200 | $18.70 | 2,606.865 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.