Staar Surgical Co (STAA) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending January 10, 2026, the three most significant insider holders at Staar Surgical are TenPercentOwner Partners, L.P. Broadwood (15.43Mn shares), President & Ceo Caren L Mason (152.41K shares), Sr. Vp And Comm. Ops And China Hans-Martin Blickensdoerfer (83.11K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Partners, L.P. Broadwood 15,426,144 08 Jan, 2026
Caren L Mason President & Ceo 152,415 06 Jun, 2022
Hans-Martin Blickensdoerfer Sr. Vp And Comm. Ops And China 83,110 08 Mar, 2022
Thomas G Frinzi President & Ceo 70,519 06 Jan, 2025
Patrick F. Williams Chief Financial Officer 56,242 14 Mar, 2025
Wei Jiang 45,477 14 Nov, 2025
Samuel J Gesten Chief Legal Officer 43,665 21 Mar, 2023
James E Francese Sr. Vp And Comm. Ops. And Na And Apac 42,660 21 Mar, 2023
Scott D Barnes Chief Medical Officer 41,502 21 Mar, 2023
Stephen C Farrell President & Ceo 35,156 06 Mar, 2025
Robert Studholme Senior Vp And Operations 31,980 10 Mar, 2023
Keith Holliday Chief Technology Officer 28,157 21 Mar, 2023
Warren Foust Chief Operating Officer 26,088 14 Mar, 2025
Nathaniel Sisitsky Chief Legal Officer 22,812 12 Dec, 2025
Jon K. Hayashida Vp And Global Clinical And Medical 16,301 12 May, 2021
Aimee S Weisner 15,352 24 Jun, 2024
Magda Michna Chief Development Officer 14,444 14 May, 2025
Gilbert H Kliman 10,457 04 Dec, 2023
Graydon C. Hansen Sr. Vp And Global Operations 9,801 12 May, 2021
Elizabeth Yeu Lin 5,099 24 Jun, 2024
Lilian Yansheng Zhou 4,571 24 Jun, 2024
Arthur C Butcher 4,208 19 Aug, 2024
Lou Silverman 2,924 12 Aug, 2021
K Peony Yu 2,786 16 Jun, 2023

* 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
08 Jan, 2026 Partners, L.P. Broadwood Common Stock A 3,240 $21.94 15,426,144 D P
07 Jan, 2026 Partners, L.P. Broadwood Common Stock A 66,467 $22.00 15,422,904 D P
06 Jan, 2026 Partners, L.P. Broadwood Common Stock A 150,000 $22.38 15,356,437 D P
06 Jan, 2026 Partners, L.P. Broadwood Common Stock A 186,946 $21.01 15,206,437 D P
11 Dec, 2025 Nathaniel Sisitsky - - 22,812 D
11 Dec, 2025 Nathaniel Sisitsky Common Stock D 2,616 $24.68 22,812 D F
21 Nov, 2025 Partners, L.P. Broadwood Common Stock A 797,486 $27.86 15,019,491 D P
20 Nov, 2025 Partners, L.P. Broadwood Common Stock A 393,382 $27.14 14,222,005 D P
19 Nov, 2025 Partners, L.P. Broadwood Common Stock A 309,132 $26.42 13,828,623 D P
12 Nov, 2025 Wei Jiang Common Stock A 20,967 $0.00 45,477 D M
12 Nov, 2025 Wei Jiang - - 45,477 D
12 Aug, 2025 Wei Jiang Common Stock A 20,967 $0.00 24,510 D M
08 May, 2025 Magda Michna Common Stock D 1,675 $19.53 14,444 D F
08 May, 2025 Magda Michna - - 14,444 D
10 Apr, 2025 Partners, L.P. Broadwood Common Stock A 900 $15.18 13,519,491 D P
10 Apr, 2025 Partners, L.P. Broadwood - - 13,519,491 D
09 Apr, 2025 Partners, L.P. Broadwood Common Stock A 8,200 $15.08 13,518,591 D P
09 Apr, 2025 Partners, L.P. Broadwood - - 13,518,591 D
08 Apr, 2025 Partners, L.P. Broadwood Common Stock A 11,600 $15.95 13,510,391 D P
08 Apr, 2025 Partners, L.P. Broadwood - - 13,510,391 D