Outset Medical, Inc. (OM) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 19, 2026 reveals that Outset Medical's three principal insider shareholders consist of Chair And Ceo Leslie Trigg (147.37K shares), Director Patrick T Hackett (136.84K shares), Chief Financial Officer Renee Gaeta (131.43K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Pincus Llc Warburg 54,362 15 Apr, 2021
Pincus X, L.P. Warburg 54,362 15 Apr, 2021
Leslie Trigg Chair And Ceo 147,372 21 Jan, 2026
Patrick T Hackett 136,841 04 Jun, 2025
Steven S. Williamson Chief Commercial Officer 21,358 16 Feb, 2024
Brent D. Lang 34,519 04 Jun, 2025
Jean-Olivier Racine Chief Technology Officer 17,689 10 May, 2024
D Keith Grossman 26,764 04 Jun, 2025
Renee Gaeta Chief Financial Officer 131,425 11 Jun, 2025
Martin Vazquez Chief Operating Officer 6,874 02 Mar, 2023
James F. Hinrichs 5,357 29 May, 2024
Stacey L. Porter Chief People Officer 4,097 17 Jan, 2024
Dale E Jones 3,061 29 May, 2024
Karen Drexler 12,733 02 Dec, 2025
Marc Nash Evp Operations R&D & Service 41,805 21 Jan, 2026
John L. Brottem General Counsel 35,777 21 Jan, 2026
Catherine M. Szyman 1,640 31 May, 2023
Kevin C Oboyle 24,118 04 Jun, 2025
Karen Prange 18,667 12 Jan, 2026
Nabeel Ahmed Chief Financial Officer 16,096 16 May, 2025
Rebecca Chambers Chief Financial Officer 907 25 Jun, 2021
Andrea Lynn Saia 12,175 04 Jun, 2025

* 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
21 Jan, 2026 Leslie Trigg Common Stock D 2,120 $5.05 105,703 D S
21 Jan, 2026 John L. Brottem Common Stock D 1,180 $5.01 35,777 D S
21 Jan, 2026 Marc Nash Common Stock D 980 $4.98 41,805 D S
20 Jan, 2026 Leslie Trigg Common Stock D 11,794 $5.12 107,823 D S
20 Jan, 2026 John L. Brottem Common Stock D 9,314 $5.12 36,957 D S
20 Jan, 2026 Marc Nash Common Stock D 5,375 $5.12 42,785 D S
09 Jan, 2026 Karen Prange Common Stock A 18,667 $0.00 18,667 D A
07 Jan, 2026 Leslie Trigg Common Stock D 1,795 $4.27 119,617 D S
07 Jan, 2026 John L. Brottem Common Stock D 224 $4.27 46,271 D S
07 Jan, 2026 Marc Nash Common Stock D 108 $4.27 48,160 D S
01 Dec, 2025 Karen Drexler Common Stock D 1,548 $4.37 10,650 D S
01 Dec, 2025 Karen Drexler - - 10,650 D
17 Nov, 2025 Leslie Trigg Common Stock D 916 $4.60 121,412 D S
17 Nov, 2025 John L. Brottem Common Stock D 388 $4.60 46,495 D S
17 Nov, 2025 Marc Nash Common Stock D 247 $4.60 48,268 D S
25 Aug, 2025 Marc Nash Common Stock A 5,617 $0.00 48,515 D A
15 Aug, 2025 Leslie Trigg Common Stock D 904 $12.88 122,328 D S
15 Aug, 2025 John L. Brottem Common Stock D 383 $12.88 46,883 D S
15 Aug, 2025 Marc Nash Common Stock D 243 $12.88 42,898 D S
10 Jun, 2025 Leslie Trigg Common Stock A 65,103 $0.00 123,232 D A