Strata Critical Medical, Inc. (SRTA) Insider Ownership

Historic Insider Ownership Trends

As of April 16, 2026, the three largest insider holders of SRTA are Robert S Wiesenthal (Chief Executive Officer, 5.28Mn shares), Melissa M. Tomkiel (Co Ceo And General Counsel, 1.61Mn shares), William A. Heyburn (Chief Financial Officer, 1.34Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Robert S Wiesenthal Chief Executive Officer 5,275,662 0 03 Sep, 2025
Melissa M. Tomkiel Co Ceo And General Counsel 1,613,990 0 10 Mar, 2026
William A. Heyburn Chief Financial Officer 1,340,845 0 05 Aug, 2025
William A. Heyburn Co Ceo And Cfo 1,336,774 0 10 Mar, 2026
Louis R. Verdetto Ceo Keystone Perfusion Service 1,133,793 0 04 Dec, 2025
Seth J Bacon Ceo, Trinity Air Medical 0 1,010,767 12 Mar, 2024
Scott M Wunsch Ceo, Trinity Air Medical 587,874 0 18 Mar, 2026
William A. Heyburn Chief Financial Officer 488,438 0 06 Apr, 2022
Melissa M. Tomkiel President And General Counsel 420,585 0 06 Apr, 2022
Eric Affeldt - 0 415,250 03 Dec, 2024
Seth J Bacon Ceo, Trinity Air Medical 340,785 0 17 Jun, 2024
Brandon A. Keene Chief Innovation Officer 318,589 0 21 Nov, 2022
Edward M Philip - 234,165 0 05 Aug, 2025
John Borthwick - 203,977 0 05 Aug, 2025
Susan M Lyne - 187,185 0 05 Aug, 2025
Amir Cohen Chief Accounting Officer 179,384 0 10 Mar, 2026
Brandon A. Keene Chief Technology Officer 177,079 0 24 May, 2022
Kenneth B Lerer - 165,964 0 05 Aug, 2025
Eric Affeldt - 165,964 0 05 Aug, 2025
Reginald Love - 135,897 0 05 Aug, 2025
Andrew Lauck - 135,642 0 05 Dec, 2025
Jane C Garvey - 123,264 0 09 Aug, 2023
Andrew Lauck - 118,798 0 05 Aug, 2025
Reginald Love - 113,897 0 24 Nov, 2025
Anatoli Arkhipenko Chief Technology Officer 111,754 0 14 Nov, 2022
Amir Cohen Chief Accounting Officer 91,916 0 05 Aug, 2025
William L. Iii Cook - 53,233 0 04 Dec, 2025
David Zaslav - 45,022 0 20 Aug, 2021
Kenneth B Lerer - 0 30,895 17 Aug, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Mar, 2026 Scott M Wunsch Class A common stock, $0.0001 par value per share A 18,067 $0.00 587,874 D A
08 Mar, 2026 William A. Heyburn Class A common stock, $0.0001 par value per share D 31,314 $4.54 1,336,774 D F
08 Mar, 2026 Scott M Wunsch Class A common stock, $0.0001 par value per share D 3,631 $4.54 569,807 D F
08 Mar, 2026 Amir Cohen Class A common stock, $0.0001 par value per share D 2,433 $4.54 179,384 D F
08 Mar, 2026 Melissa M. Tomkiel Class A common stock, $0.0001 par value per share D 29,372 $4.54 1,613,990 D F
24 Feb, 2026 Amir Cohen Class A common stock, $0.0001 par value per share A 64,191 $0.00 181,817 D A
24 Feb, 2026 Scott M Wunsch Class A common stock, $0.0001 par value per share A 51,353 $0.00 573,438 D A
02 Jan, 2026 Melissa M. Tomkiel Class A common stock, $0.0001 par value per share A 276,960 $0.18 1,643,362 D M
02 Jan, 2026 Melissa M. Tomkiel Stock Option (right to buy) D 276,960 $0.00 0 D M
10 Dec, 2025 William A. Heyburn Class A common stock, $0.0001 par value per share D 35,348 $4.38 1,368,088 D F
09 Dec, 2025 William A. Heyburn Class A common stock, $0.0001 par value per share A 17,000 $4.47 1,403,436 D P
10 Dec, 2025 Amir Cohen Class A common stock, $0.0001 par value per share D 3,716 $4.38 117,626 D F
10 Dec, 2025 Scott M Wunsch Class A common stock, $0.0001 par value per share D 21,643 $4.38 293,395 D F
05 Dec, 2025 Andrew Lauck Class A common stock, $0.0001 par value per share A 5,000 $4.37 135,642 D P
02 Dec, 2025 Scott M Wunsch Class A common stock, $0.0001 par value per share A 13,395 $0.00 315,038 D A
02 Dec, 2025 Louis R. Verdetto Class A common stock, $0.0001 par value per share A 63,918 $0.00 1,133,793 D A
02 Dec, 2025 William L. Iii Cook Class A common stock, $0.0001 par value per share A 20,076 $0.00 20,076 D A
02 Dec, 2025 William L. Iii Cook Class A common stock, $0.0001 par value per share A 33,157 $0.00 53,233 D A
20 Nov, 2025 Reginald Love Class A common stock, $0.0001 par value per share D 11,000 $4.37 113,897 D S
10 Dec, 2025 Melissa M. Tomkiel Class A common stock, $0.0001 par value per share D 34,018 $4.38 1,366,402 D F