As of March 23, 2026, the three largest insider holders of STRO are William J Newell (Ceo, 29.25K shares), Jane Chung (Chief Executive Officer, 21.29K shares), William J Newell (Ceo, 11.65K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| William J Newell | Ceo | 29,253 | 0 | 07 Mar, 2025 |
| William J Newell | Ceo | 0 | 11,653 | 15 Mar, 2022 |
| Trevor Hallam | Pres. Rsrch Cf. Sctific Ofcr | 10,037 | 0 | 17 Apr, 2023 |
| Anne Elizabeth Borgman | Chief Medical Officer | 9,745 | 0 | 05 May, 2025 |
| Venkatesh Srinivasan | Chief Tech Op Officer | 5,369 | 0 | 05 May, 2025 |
| Anik Shabbir | Chief Technical Ops. Officer | 4,083 | 0 | 07 Mar, 2023 |
| Arturo Md Molina | Chief Medical Officer | 3,774 | 0 | 07 Mar, 2022 |
| Daniel H Petree | 386 | 1,860 | 29 Jun, 2023 | |
| Jane Chung | Chief Executive Officer | 21,285 | 0 | 06 Mar, 2026 |
| Gregory K. Chow | Cfo | 1,975 | 0 | 16 Oct, 2025 |
| Barbara Leyman | Chief Business Officer | 1,606 | 0 | 26 Aug, 2025 |
| Nicki Vasquez | Chief Port. Strat Alnce Ofcr | 1,428 | 0 | 31 Jan, 2024 |
| David Pauling | Chief Admin. Ofcr. Gc | 9,748 | 0 | 06 Mar, 2026 |
| Hans-Peter Gerber | Chief Scientific Officer | 9,518 | 0 | 03 Mar, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 04 Mar, 2026 | David Pauling | Common Stock | A | 675 | $0.00 | 10,025 | D | M |
| 04 Mar, 2026 | Jane Chung | Common Stock | A | 788 | $0.00 | 21,567 | D | M |
| 04 Mar, 2026 | David Pauling | Common Stock | D | 277 | $21.31 | 9,748 | D | F |
| 04 Mar, 2026 | Jane Chung | Common Stock | D | 282 | $21.31 | 21,285 | D | F |
| 04 Mar, 2026 | David Pauling | Restricted Stock Units (RSUs) | D | 675 | $0.00 | 0 | D | M |
| 04 Mar, 2026 | Jane Chung | Restricted Stock Units (RSUs) | D | 788 | $0.00 | 0 | D | M |
| 01 Mar, 2026 | David Pauling | Common Stock | A | 500 | $0.00 | 7,673 | D | M |
| 02 Mar, 2026 | Gregory K. Chow | Stock Option (right to buy) | A | 40,000 | $0.00 | 40,000 | D | A |
| 01 Mar, 2026 | Hans-Peter Gerber | Common Stock | A | 1,125 | $0.00 | 8,308 | D | M |
| 01 Mar, 2026 | Jane Chung | Common Stock | A | 688 | $0.00 | 14,579 | D | M |
| 02 Mar, 2026 | Gregory K. Chow | Restricted Stock Units (RSUs) | A | 5,000 | $0.00 | 5,000 | D | A |
| 01 Mar, 2026 | Jane Chung | Common Stock | A | 2,500 | $0.00 | 17,079 | D | M |
| 01 Mar, 2026 | Hans-Peter Gerber | Common Stock | D | 463 | $20.47 | 7,845 | D | F |
| 01 Mar, 2026 | David Pauling | Common Stock | A | 842 | $0.00 | 8,515 | D | M |
| 01 Mar, 2026 | David Pauling | Common Stock | D | 551 | $20.47 | 7,964 | D | F |
| 01 Mar, 2026 | Jane Chung | Common Stock | D | 1,271 | $20.47 | 15,808 | D | F |
| 02 Mar, 2026 | Hans-Peter Gerber | Common Stock | A | 2,843 | $0.00 | 10,688 | D | M |
| 02 Mar, 2026 | Jane Chung | Common Stock | A | 7,750 | $0.00 | 23,558 | D | M |
| 02 Mar, 2026 | Hans-Peter Gerber | Common Stock | D | 1,170 | $20.55 | 9,518 | D | F |
| 02 Mar, 2026 | David Pauling | Common Stock | A | 2,356 | $0.00 | 10,320 | D | M |