ARMSTRONG WILLIAM H III (CIK 1200799) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Sell STRS (984 shares), Buy STRS (16,588 shares), Buy STRS (15,638 shares), Sell STRS (4,360 shares), Sell STRS (1,331 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | STRATUS PROPERTIES INC (STRS) | Chair of Board, President, CEO | Sell | 984 | $31,823 |
| 2026-02-23 | STRATUS PROPERTIES INC (STRS) | Chair of Board, President, CEO | Buy | 16,588 | $0 |
| 2026-02-23 | STRATUS PROPERTIES INC (STRS) | Chair of Board, President, CEO | Buy | 15,638 | $0 |
| 2026-02-17 | STRATUS PROPERTIES INC (STRS) | Chair of Board, President, CEO | Sell | 4,360 | $129,448 |
| 2026-02-17 | STRATUS PROPERTIES INC (STRS) | Chair of Board, President, CEO | Sell | 1,331 | $39,131 |
来源：SEC Form 4 申报文件 · 截至 2026-03-17