Orion Group Holdings's three largest insider shareholders as of August 04, 2026 are Mark R. Stauffer (Chief Executive Officer, 1.02Mn shares), Travis J Boone (President Ceo, 708.49K shares), Peter R. Buchler (Evp, General Counsel, 375.67K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Mark R. Stauffer | Chief Executive Officer | 1,021,680 | 0 | 1,021,680 | 23.3% | 04 Mar, 2022 |
| 2 | Travis J Boone | President Ceo | 708,485 | 0 | 708,485 | 16.1% | 02 Apr, 2026 |
| 3 | Peter R. Buchler | Evp, General Counsel | 375,670 | 0 | 375,670 | 8.6% | 21 Aug, 2023 |
| 4 | Austin J Shanfelter | Executive Chairman | 329,215 | 0 | 329,215 | 7.5% | 10 Mar, 2026 |
| 5 | Thomas N Amonett | Director | 287,945 | 0 | 287,945 | 6.6% | 19 May, 2025 |
| 6 | Richard L. Daerr | Director | 274,629 | 0 | 274,629 | 6.3% | 22 May, 2023 |
| 7 | Mary E Sullivan | Director | 267,668 | 0 | 267,668 | 6.1% | 19 May, 2025 |
| 8 | Robert L Tabb | Evp And Cfo | 242,106 | 0 | 242,106 | 5.5% | 20 Aug, 2021 |
| 9 | Gordon Scott Thanisch | Evp And Cfo | 212,440 | 0 | 212,440 | 4.8% | 24 Mar, 2025 |
| 10 | Michael J Caliel | Director | 207,176 | 0 | 207,176 | 4.7% | 19 May, 2025 |
| 11 | Margaret M Foran | Director | 157,541 | 0 | 157,541 | 3.6% | 19 May, 2025 |
| 12 | Edward Chipman Earle | Evp General Counsel | 145,042 | 0 | 145,042 | 3.3% | 02 Apr, 2026 |
| 13 | Quentin P. Jr. Smith | Director | 90,659 | 0 | 90,659 | 2.1% | 10 Mar, 2026 |
| 14 | Alison Gaut Vasquez | Evp And Cfo | 57,607 | 0 | 57,607 | 1.3% | 09 Mar, 2026 |
| 15 | Robert Ledford | Director | 15,876 | 0 | 15,876 | 0.4% | 04 Dec, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Travis J Boone | President Ceo | Disposed F | 15,377 | $11.24 | $172.84K | 708,485 | Direct |
| 01 Apr, 2026 | Edward Chipman Earle | Evp General Counsel | Disposed F | 2,884 | $11.24 | $32.42K | 145,042 | Direct |
| 20 Mar, 2026 | Travis J Boone | President Ceo | Disposed F | 10,534 | $10.39 | $109.45K | 723,862 | Direct |
| 16 Mar, 2026 | Travis J Boone | President Ceo | Acquired A | 2,000 | $6.81 | $13.62K | 734,396 | Direct |
| 16 Mar, 2026 | Edward Chipman Earle | Evp General Counsel | Acquired A | 2,000 | $6.81 | $13.62K | 147,926 | Direct |
| 10 Mar, 2026 | Quentin P. Jr. Smith | Director | Disposed S | 10,695 | $12.25 | $131.01K | 90,659 | Direct |
| 10 Mar, 2026 | Austin J Shanfelter | Director | Disposed S | 90,000 | $12.17 | $1.10Mn | 329,215 | Direct |
| 10 Mar, 2026 | Austin J Shanfelter | Director | Disposed S | 90,000 | $12.17 | $1.10Mn | 329,215 | Direct |
| 10 Mar, 2026 | Austin J Shanfelter | Director | Disposed S | 90,000 | $12.17 | $1.10Mn | 329,215 | Direct |
| 10 Mar, 2026 | Quentin P. Jr. Smith | Director | Disposed S | 10,695 | $12.25 | $131.01K | 90,659 | Direct |
| 10 Mar, 2026 | Quentin P. Jr. Smith | Director | Disposed S | 10,695 | $12.25 | $131.01K | 90,659 | Direct |
| 06 Mar, 2026 | Alison Gaut Vasquez | Evp And Cfo | Acquired P | 4,218 | $11.85 | $49.98K | 57,607 | Direct |
| 06 Mar, 2026 | Alison Gaut Vasquez | Evp And Cfo | Acquired P | 4,218 | $11.85 | $49.98K | 57,607 | Direct |
| 06 Mar, 2026 | Alison Gaut Vasquez | Evp And Cfo | Acquired P | 4,218 | $11.85 | $49.98K | 57,607 | Direct |
| 03 Mar, 2026 | Alison Gaut Vasquez | Evp And Cfo | Acquired A | 24,752 | — | — | 53,389 | Direct |
| 03 Mar, 2026 | Alison Gaut Vasquez | Evp And Cfo | Acquired A | 24,752 | — | — | 53,389 | Direct |
| 03 Mar, 2026 | Alison Gaut Vasquez | Evp And Cfo | Acquired A | 24,752 | — | — | 53,389 | Direct |
| 03 Mar, 2026 | Travis J Boone | President Ceo | Acquired A | 241,636 | — | — | 744,858 | Direct |
| 03 Mar, 2026 | Edward Chipman Earle | Evp General Counsel | Acquired A | 20,169 | — | — | 145,926 | Direct |
| 03 Mar, 2026 | Travis J Boone | President Ceo | Disposed F | 85,803 | $13.41 | $1.15Mn | 659,055 | Direct |