Updated Jul 16, 2026
Tidlund Mary A. has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $86K.

| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-22 | VHI | VALHI INC /DE/ | A — Grant or award | 3.1K | $12.66 | $40K |
| 2026-05-21 | CIX | COMPX INTERNATIONAL INC | A — Grant or award | 1.7K | $23.44 | $40K |
| 2025-05-21 | CIX | COMPX INTERNATIONAL INC | A — Grant or award | 750 | $25.99 | $19K |
| 2024-11-14 | CIX | COMPX INTERNATIONAL INC | S — Open-market sale | 1.0K | $29.02 | $29K |
| 2024-11-13 | CIX | COMPX INTERNATIONAL INC | S — Open-market sale | 2.0K | $28.58 | $57K |
Tidlund Mary A. is a corporate insider — currently tracked as Insider of VALHI INC /DE/ (VHI). InsiderAlpha tracks every SEC Form 4 filing in real time.
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($86K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Tidlund Mary A. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.