STAA's three largest insider shareholders as of March 23, 2026 are Partners, L.P. Broadwood (TenPercentOwner, 15.45Mn shares), Caren L Mason (President Ceo, 152.41K shares), Hans-Martin Blickensdoerfer (Sr. Vp, Comm. Ops, China, 83.11K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Partners, L.P. Broadwood | 16,123,842 | 0 | 13 Mar, 2026 | |
| Partners, L.P. Broadwood | 15,453,629 | 0 | 13 Jan, 2026 | |
| 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 |
| Thomas G Frinzi | President Ceo | 70,519 | 0 | 06 Jan, 2025 |
| Wei Jiang | 66,444 | 0 | 14 Jan, 2026 | |
| Wei Jiang | 66,444 | 0 | 14 Jan, 2026 | |
| Warren Foust | Interim Co Ceo And Pres. Coo | 63,588 | 0 | 16 Mar, 2026 |
| Patrick F. Williams | Chief Financial Officer | 56,242 | 0 | 14 Mar, 2025 |
| Samuel J Gesten | Chief Legal Officer | 43,665 | 0 | 21 Mar, 2023 |
| James E Francese | Sr. Vp, Comm. Ops., Na, Apac | 42,660 | 0 | 21 Mar, 2023 |
| Scott D Barnes | Chief Medical Officer | 41,502 | 0 | 21 Mar, 2023 |
| Stephen C Farrell | President Ceo | 35,156 | 0 | 06 Mar, 2025 |
| Robert Studholme | Senior Vp, Operations | 31,980 | 0 | 10 Mar, 2023 |
| Magda Michna | Chief Development Officer | 29,668 | 0 | 16 Mar, 2026 |
| Keith Holliday | Chief Technology Officer | 28,157 | 0 | 21 Mar, 2023 |
| Warren Foust | Chief Operating Officer | 26,088 | 0 | 14 Mar, 2025 |
| Nathaniel Sisitsky | Chief Legal Officer | 22,812 | 0 | 12 Dec, 2025 |
| Jon K. Hayashida | Vp, Global Clinical, Medical | 16,301 | 0 | 12 May, 2021 |
| Aimee S Weisner | 15,352 | 0 | 24 Jun, 2024 | |
| Magda Michna | Chief Development Officer | 14,444 | 0 | 14 May, 2025 |
| Gilbert H Kliman | 10,457 | 0 | 04 Dec, 2023 | |
| Graydon C. Hansen | Sr. Vp, Global Operations | 9,801 | 0 | 12 May, 2021 |
| Elizabeth Yeu Lin | 5,099 | 0 | 24 Jun, 2024 | |
| Elizabeth Yeu Lin | 5,099 | 0 | 24 Jun, 2024 | |
| Lilian Yansheng Zhou | 4,571 | 0 | 24 Jun, 2024 | |
| Arthur C Butcher | 4,208 | 0 | 19 Aug, 2024 | |
| Lou Silverman | 2,924 | 0 | 12 Aug, 2021 | |
| K Peony Yu | 2,786 | 0 | 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 12 Mar, 2026 | Warren Foust | Common Stock | A | 8,175 | $0.00 | 34,263 | D | M |
| 12 Mar, 2026 | Magda Michna | Common Stock | A | 6,178 | $0.00 | 20,622 | 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 | 19,550 | $0.00 | 53,813 | D | M |
| 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 |
| 14 Mar, 2026 | Magda Michna | Common Stock | A | 2,932 | $0.00 | 36,001 | D | M |
| 12 Mar, 2026 | Warren Foust | Restricted Stock Units | D | 8,175 | $0.00 | 8,175 | 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 |
| 14 Mar, 2026 | Warren Foust | Restricted Stock Units | D | 9,775 | $0.00 | 19,551 | D | M |
| 13 Mar, 2026 | Magda Michna | Restricted Stock Units | A | 33,838 | $0.00 | 33,838 | D | A |
| 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 |