Updated Jul 16, 2026
O'Brien Dana C. has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $4.06M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-24 | ASIX | AdvanSix Inc. | A — Grant or award | 6.2K | $0.00 | |
| 2026-05-11 | STRL | STERLING INFRASTRUCTURE, INC. | A — Grant or award | 181 | $0.00 | |
| 2026-02-10 | STRL | STERLING INFRASTRUCTURE, INC. | S — Open-market sale [10b5-1] | 2.0K | $410.00 | $820K |
| 2026-02-10 | STRL | STERLING INFRASTRUCTURE, INC. | S — Open-market sale [10b5-1] | 1.0K | $400.00 | $400K |
| 2026-02-10 | STRL | STERLING INFRASTRUCTURE, INC. | S — Open-market sale [10b5-1] | 1.0K | $390.00 | $390K |
| 2025-06-16 | STRL | STERLING INFRASTRUCTURE, INC. | S — Open-market sale | 10.2K | $206.58 | $2.10M |
| 2025-05-08 | STRL | STERLING INFRASTRUCTURE, INC. | A — Grant or award | 751 | $0.00 | |
| 2024-12-19 | STRL | STERLING INFRASTRUCTURE, INC. | S — Open-market sale | 2.0K | $175.89 | $352K |
O'Brien Dana C. is a corporate insider — currently tracked as Director of AdvanSix Inc. (ASIX). 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 5 open-market sales ($4.06M) 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.
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