As of September 29, 2026, Strata Critical Medical's top three insider holders are Robert S Wiesenthal (Chief Executive Officer, 5.33Mn shares), Melissa M. Tomkiel (Co Ceo And General Counsel, 2.15Mn shares), William A. Heyburn (Co Ceo And Cfo, 1.76Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Robert S Wiesenthal | Chief Executive Officer | 5,325,896 | 0 | 5,325,896 | 36.5% | 03 Aug, 2026 |
| 2 | Melissa M. Tomkiel | Co Ceo And General Counsel | 2,574,263 | 0 | 2,574,263 | 17.6% | 25 Sep, 2026 |
| 3 | William A. Heyburn | Co Ceo And Cfo | 2,246,288 | 0 | 2,246,288 | 15.4% | 25 Sep, 2026 |
| 4 | Louis R. Verdetto | Ceo, Clinical Services | 1,128,096 | 0 | 1,128,096 | 7.7% | 10 Sep, 2026 |
| 5 | Scott M Wunsch | Ceo, Logistics | 663,043 | 0 | 663,043 | 4.5% | 10 Sep, 2026 |
| 6 | Brandon A. Keene | Chief Innovation Officer | 495,668 | 0 | 495,668 | 3.4% | 21 Nov, 2022 |
| 7 | Seth J Bacon | Ceo, Trinity Air Medical | 340,785 | 0 | 340,785 | 2.3% | 17 Jun, 2024 |
| 8 | Edward M Philip | Director | 265,078 | 0 | 265,078 | 1.8% | 03 Aug, 2026 |
| 9 | John Borthwick | Director | 203,977 | 0 | 203,977 | 1.4% | 05 Aug, 2025 |
| 10 | Susan M Lyne | Director | 187,185 | 0 | 187,185 | 1.3% | 05 Aug, 2025 |
| 11 | Amir Cohen | Chief Accounting Officer | 177,154 | 0 | 177,154 | 1.2% | 10 Sep, 2026 |
| 12 | Andrew Lauck | Director | 170,902 | 0 | 170,902 | 1.2% | 03 Aug, 2026 |
| 13 | Eric Affeldt | Director | 165,964 | 0 | 165,964 | 1.1% | 05 Aug, 2025 |
| 14 | Kenneth B Lerer | Director | 165,964 | 0 | 165,964 | 1.1% | 05 Aug, 2025 |
| 15 | Reginald Love | Director | 146,481 | 0 | 146,481 | 1.0% | 13 Aug, 2026 |
| 16 | Jane C Garvey | Director | 123,264 | 0 | 123,264 | 0.8% | 09 Aug, 2023 |
| 17 | Anatoli Arkhipenko | Chief Technology Officer | 111,754 | 0 | 111,754 | 0.8% | 14 Nov, 2022 |
| 18 | William L. Iii Cook | Director | 97,671 | 0 | 97,671 | 0.7% | 03 Aug, 2026 |
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 |
|---|---|---|---|---|---|---|---|---|
| 24 Sep, 2026 | Melissa M. Tomkiel | Co Ceo And General Counsel | Acquired A | 177,858 | $0.00 | $0 | 2,244,475 | Direct |
| 24 Sep, 2026 | William A. Heyburn | Co Ceo And Cfo | Acquired A | 177,858 | $0.00 | $0 | 1,856,206 | Direct |
| 24 Sep, 2026 | William A. Heyburn | Co Ceo And Cfo | Disposed F | 98,356 | $5.27 | $518.34K | 1,757,850 | Direct |
| 24 Sep, 2026 | Melissa M. Tomkiel | Co Ceo And General Counsel | Disposed F | 90,797 | $5.27 | $478.50K | 2,153,678 | Direct |
| 08 Sep, 2026 | William A. Heyburn | Co Ceo And Cfo | Disposed F | 31,671 | $5.31 | $168.17K | 1,678,348 | Direct |
| 08 Sep, 2026 | Scott M Wunsch | Ceo, Logistics | Disposed F | 5,711 | $5.31 | $30.33K | 663,043 | Direct |
| 08 Sep, 2026 | Amir Cohen | Chief Accounting Officer | Disposed F | 4,645 | $5.31 | $24.66K | 177,154 | Direct |
| 08 Sep, 2026 | Louis R. Verdetto | Ceo, Clinical Services | Disposed F | 5,697 | $5.31 | $30.25K | 1,128,096 | Direct |
| 08 Sep, 2026 | Melissa M. Tomkiel | Co Ceo And General Counsel | Disposed F | 29,730 | $5.31 | $157.87K | 2,066,617 | Direct |
| 10 Aug, 2026 | Reginald Love | Director | Disposed S | 5,091 | $5.75 | $29.27K | 146,481 | Direct |
| 30 Jul, 2026 | Edward M Philip | Director | Acquired A | 30,913 | $0.00 | $0 | 265,078 | Direct |
| 30 Jul, 2026 | Andrew Lauck | Director | Acquired A | 35,260 | $0.00 | $0 | 170,902 | Direct |
| 30 Jul, 2026 | William A. Heyburn | Co Ceo And Cfo | Acquired A | 181,071 | $0.00 | $0 | 1,730,068 | Direct |
| 30 Jul, 2026 | Melissa M. Tomkiel | Co Ceo And General Counsel | Acquired A | 208,929 | $0.00 | $0 | 2,101,703 | Direct |
| 30 Jul, 2026 | Robert S Wiesenthal | Director | Acquired A | 50,234 | $0.00 | $0 | 5,325,896 | Direct |
| 30 Jul, 2026 | William L. Iii Cook | Director | Acquired A | 44,438 | $0.00 | $0 | 97,671 | Direct |
| 30 Jul, 2026 | Reginald Love | Director | Acquired A | 37,675 | $0.00 | $0 | 151,572 | Direct |
| 30 Jul, 2026 | Amir Cohen | Chief Accounting Officer | Acquired A | 41,786 | $0.00 | $0 | 188,394 | Direct |
| 30 Jul, 2026 | Scott M Wunsch | Ceo, Logistics | Acquired A | 57,172 | $0.00 | $0 | 682,746 | Direct |
| 30 Jul, 2026 | Melissa M. Tomkiel | Co Ceo And General Counsel | Acquired A | 206,953 | $0.00 | $0 | 2,308,656 | Direct |