Updated Jul 16, 2026 · Last SEC filing 2026-05-21
COMPX INTERNATIONAL INC (CIX) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-21. 3 Form 8-K material event filings were reported by CIX in the last 90 days. InsiderAlpha tracks every CIX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001049606 |
|---|
| Form 4 filings (90d) | 8 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Latest Form 4 filing | 2026-05-21 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Herrington Terri | Insider | A — Grant or award | 1.7K | $23.44 | $40K | SEC | |
| JAMES SCOTT C | President and CEO | A — Grant or award | 1.7K | $23.44 | $40K | SEC | |
| Simmons Michael Shawn | Vice Chairman of the Board | A — Grant or award | 1.7K | $23.44 | $40K | SEC | |
| Tidlund Mary A. | Insider | A — Grant or award | 1.7K | $23.44 | $40K | SEC | |
| Norris Gina A. | Insider | A — Grant or award | 1.7K | $23.44 | $40K | SEC | |
| MANIX ANN | Insider | A — Grant or award | 1.7K | $23.44 | $40K | SEC | |
| BARRY THOMAS E | Insider | A — Grant or award | 1.7K | $23.44 | $40K | SEC | |
| Feehan Loretta J. | Insider | A — Grant or award | 1.7K | $23.44 | $40K | SEC | |
| Norris Gina A. | Director | A — Grant or award | 750 | $25.99 | $19K | SEC | |
| Tidlund Mary A. | Director | A — Grant or award | 750 | $25.99 | $19K | SEC | |
| BARRY THOMAS E | Director | A — Grant or award | 750 | $25.99 | $19K | SEC | |
| Herrington Terri | Director | A — Grant or award | 750 | $25.99 | $19K | SEC | |
| Feehan Loretta J. | Director | A — Grant or award | 750 | $25.99 | $19K | SEC | |
| MANIX ANN | Director | A — Grant or award | 750 | $25.99 | $19K | SEC | |
| Feehan Loretta J. | Director | G — Bona-fide gift | 700 | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for COMPX INTERNATIONAL INC (CIX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Simmons Michael Shawn | 1 | $40K |
| MANIX ANN | 1 | $40K |
| Norris Gina A. | 1 | $40K |
| Tidlund Mary A. | 1 | $40K |
| Herrington Terri | 1 | $40K |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CIX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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