O'Brien Dana C. — SEC Form 4 filings
SEC reporting owner CIK 1134707. 11 Form 4 filings on record with FilingPulse; latest filed 2026-06-24.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-02-23 to 2026-06-24. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 5 legs across 3 filings — 16,154 shares, $4,059,392 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 9.
- Largest priced transaction: sale of 10,154 shares @ $206.58 ($2,097,613) in STERLING INFRASTRUCTURE, INC., filed 2025-06-18.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| STERLING INFRASTRUCTURE, INC. (STRL) | Director | 8 | — | 5 legs · 16,154 sh · $4,059,392 | 5 |
| OLIN Corp (OLN) | SVP, Chief Legal Officer | 2 | — | — | 3 |
| AdvanSix Inc. (ASIX) | Director | 1 | — | — | 1 |
Form 4 filings — O'Brien Dana C.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-24 | 4 | AdvanSix Inc. (ASIX) | Grant/award (A): 6,207 @ $0 | EDGAR |
| 2026-05-11 | 4 | STERLING INFRASTRUCTURE, INC. (STRL) | Grant/award (A): 181 @ $0 | EDGAR |
| 2026-02-10 | 4 | STERLING INFRASTRUCTURE, INC. (STRL) | Sale (S): 1,000 @ $390 · Sale (S): 1,000 @ $400 · Sale (S): 2,000 @ $410 | EDGAR |
| 2025-11-14 | 4 | STERLING INFRASTRUCTURE, INC. (STRL) | Gift (G): 1,000 @ $0 | EDGAR |
| 2025-06-18 | 4 | STERLING INFRASTRUCTURE, INC. (STRL) | Sale (S): 10,154 @ $206.58 | EDGAR |
| 2025-05-09 | 4 | STERLING INFRASTRUCTURE, INC. (STRL) | Grant/award (A): 751 @ $0 | EDGAR |
| 2025-02-21 | 4 | OLIN Corp (OLN) | Grant/award (A): 2,098 @ $0 · Grant/award (A): 17,379 (derivative) @ $0 | EDGAR |
| 2024-12-19 | 4 | STERLING INFRASTRUCTURE, INC. (STRL) | Sale (S): 2,000 @ $175.89 | EDGAR |
| 2024-06-25 | 4 | STERLING INFRASTRUCTURE, INC. (STRL) | Gift (G): 2,716 @ $0 | EDGAR |
| 2024-05-10 | 4 | STERLING INFRASTRUCTURE, INC. (STRL) | Grant/award (A): 1,074 @ $0 | EDGAR |
| 2024-02-23 | 4 | OLIN Corp (OLN) | Grant/award (A): 22,756 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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