O'Brien Dana C. (CIK 1134707) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-24). Recent activity: Buy ASIX (6,207 shares), Buy STRL (181 shares), Sell STRL (1,000 shares), Sell STRL (1,000 shares), Sell STRL (2,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-24 | AdvanSix Inc. (ASIX) | Director | Buy | 6,207 | $0 |
| 2026-05-11 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Buy | 181 | $0 |
| 2026-02-10 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Sell | 1,000 | $390,000 |
| 2026-02-10 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Sell | 1,000 | $400,000 |
| 2026-02-10 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Sell | 2,000 | $820,000 |
| 2025-11-14 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Sell | 1,000 | $0 |
| 2025-06-18 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Sell | 10,154 | $2.1M |
| 2025-05-09 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Buy | 751 | $0 |
Source: SEC Form 4 filings · as of 2026-06-24