Staar Surgical Co (STAA) Insider Ownership

Historic Insider Ownership Trends

STAA's three largest insider shareholders as of May 23, 2026 are Partners, L.P. Broadwood (Director, 16.12Mn shares), Caren L Mason (President Ceo, 152.41K shares), Hans-Martin Blickensdoerfer (Sr. Vp, Comm. Ops, China, 83.11K 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
Stephen C Farrell President Ceo 35,156 0 06 Mar, 2025
Nathaniel Sisitsky Chief Legal Officer 22,812 0 12 Dec, 2025
Aimee S Weisner - 15,352 0 24 Jun, 2024
Lou Silverman - 2,924 0 12 Aug, 2021
Partners, L.P. Broadwood - 16,123,842 0 13 Mar, 2026
Gilbert H Kliman - 10,457 0 04 Dec, 2023
Caren L Mason President Ceo 152,415 0 06 Jun, 2022
Hans-Martin Blickensdoerfer Sr. Vp, Comm. Ops, China 83,110 0 08 Mar, 2022
Samuel J Gesten Chief Legal Officer 43,665 0 21 Mar, 2023
Patrick F. Williams Chief Financial Officer 56,242 0 14 Mar, 2025
James E Francese Sr. Vp, Comm. Ops., Na, Apac 42,660 0 21 Mar, 2023
K Peony Yu - 2,786 0 16 Jun, 2023
Thomas G Frinzi President Ceo 81,294 0 03 Jan, 2024
Arthur C Butcher - 4,208 0 19 Aug, 2024
Keith Holliday Chief Technology Officer 28,157 0 21 Mar, 2023
Magda Michna Chief Development Officer 29,668 0 16 Mar, 2026
Scott D Barnes Chief Medical Officer 41,502 0 21 Mar, 2023
Elizabeth Yeu Lin - 5,099 0 24 Jun, 2024
Wei Jiang - 66,444 0 14 Jan, 2026
Robert Studholme Senior Vp, Operations 31,980 0 10 Mar, 2023
Warren Foust Interim Co Ceo And Pres. Coo 63,588 0 16 Mar, 2026
Lilian Yansheng Zhou - 4,571 0 24 Jun, 2024

* 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
12 Mar, 2026 Magda Michna Common Stock A 6,178 $0.00 20,622 D M
12 Mar, 2026 Warren Foust Common Stock A 8,175 $0.00 34,263 D M
14 Mar, 2026 Warren Foust Common Stock A 19,550 $0.00 53,813 D M
12 Mar, 2026 Magda Michna Common Stock D 2,216 $18.39 18,406 D F
14 Mar, 2026 Warren Foust Common Stock A 9,775 $0.00 63,588 D M
14 Mar, 2026 Magda Michna Common Stock A 14,663 $0.00 33,069 D M
12 Mar, 2026 Warren Foust Restricted Stock Units D 8,175 $0.00 8,175 D M
14 Mar, 2026 Magda Michna Common Stock A 2,932 $0.00 36,001 D M
13 Mar, 2026 Warren Foust Restricted Stock Units A 45,117 $0.00 45,117 D A
14 Mar, 2026 Magda Michna Common Stock D 6,313 $18.84 29,668 D F
14 Mar, 2026 Warren Foust Restricted Stock Units D 19,550 $0.00 39,101 D M
12 Mar, 2026 Magda Michna Restricted Stock Units D 6,178 $0.00 6,178 D M
13 Mar, 2026 Magda Michna Restricted Stock Units A 33,838 $0.00 33,838 D A
14 Mar, 2026 Warren Foust Restricted Stock Units D 9,775 $0.00 19,551 D M
14 Mar, 2026 Magda Michna Restricted Stock Units D 14,663 $0.00 29,326 D M
14 Mar, 2026 Magda Michna Restricted Stock Units D 2,932 $0.00 5,866 D M
13 Mar, 2026 Deborah J Andrews Restricted Stock Units A 39,809 $0.00 39,809 D A
11 Mar, 2026 Partners, L.P. Broadwood Common Stock A 54,764 $17.52 15,508,393 D P
12 Mar, 2026 Partners, L.P. Broadwood Common Stock A 299,432 $18.12 15,807,825 D P
13 Mar, 2026 Partners, L.P. Broadwood Common Stock A 316,017 $18.62 16,123,842 D P