VivoSim Labs's top three insider shareholders as of August 04, 2026 are Vaidehi Joshi (Director, 58.82K shares), Adam K Stern (Director, 58.82K shares), Keith Murphy (Executive Chairman, 26.05K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Adam K Stern | - | 58,821 | 0 | 09 Aug, 2024 |
| Keith Murphy | Executive Chairman | 26,053 | 0 | 29 Jan, 2026 |
| Douglas Jay Cohen | - | 20,732 | 0 | 29 Jan, 2026 |
| Alison Tjosvold Milhous | - | 19,899 | 0 | 29 Jan, 2026 |
| David Gobel | - | 15,000 | 0 | 29 Jan, 2026 |
| Vaidehi Joshi | - | 58,821 | 0 | 09 Aug, 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 27 Jan, 2026 | David Gobel | Common Stock | A | 15,000 | $0.00 | 15,000 | D | A |
| 27 Jan, 2026 | Adam K Stern | Common Stock | A | 15,000 | $0.00 | 19,899 | D | A |
| 27 Jan, 2026 | Douglas Jay Cohen | Common Stock | A | 15,000 | $0.00 | 20,732 | D | A |
| 27 Jan, 2026 | Alison Tjosvold Milhous | Common Stock | A | 15,000 | $0.00 | 19,899 | D | A |
| 27 Jan, 2026 | Keith Murphy | Common Stock | A | 15,000 | $0.00 | 26,053 | D | A |
| 25 Nov, 2025 | Amar Akhtar Sethi | Options (right to buy) | A | 53,500 | $0.00 | 53,500 | D | A |
| 17 Nov, 2025 | David Gobel | Common Stock | A | 3,266 | $2.24 | 0 | D | S |
| 11 Aug, 2025 | Tony Serge Lialin | Options (right to buy) | A | 40,000 | $0.00 | 40,000 | D | A |
| 07 Aug, 2024 | Alison Tjosvold Milhous | Common Stock | A | 19,607 | $0.00 | 58,821 | D | A |
| 07 Aug, 2024 | Vaidehi Joshi | Common Stock | A | 19,607 | $0.00 | 58,821 | D | A |
| 07 Aug, 2024 | Douglas Jay Cohen | Common Stock | A | 19,607 | $0.00 | 68,821 | D | A |
| 07 Aug, 2024 | David Gobel | Common Stock | A | 19,607 | $0.00 | 39,214 | D | A |
| 07 Aug, 2024 | Adam K Stern | Common Stock | A | 19,607 | $0.00 | 58,821 | D | A |
| 07 Aug, 2024 | Keith Murphy | Common Stock | A | 19,607 | $0.00 | 132,641 | D | A |
| 05 Aug, 2024 | Keith Murphy | Options (right to buy) | A | 574,923 | $0.00 | 574,923 | D | A |
| 05 Aug, 2024 | Keith Murphy | Options (right to buy) | A | 143,731 | $0.00 | 143,731 | D | A |
| 17 Nov, 2023 | Keith Murphy | Common Stock | A | 19,607 | $0.00 | 113,034 | D | A |
| 17 Nov, 2023 | Vaidehi Joshi | Common Stock | A | 19,607 | $0.00 | 39,214 | D | A |
| 15 Nov, 2023 | David Gobel | Common Stock | D | 19,607 | $1.62 | 0 | D | S |
| 17 Nov, 2023 | Douglas Jay Cohen | Common Stock | A | 19,607 | $0.00 | 49,214 | D | A |