| Type | Value |
|---|---|
| cik | 0001526119 |
| ticker | VSTM |
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 21 May 2026 | GRANT_AWARD | BAILEY MICHAEL P | 108,000 | 0.00 USD | |
| 21 May 2026 | GRANT_AWARD | Bunn Paul A. | 36,000 | 0.00 USD | |
| 21 May 2026 | GRANT_AWARD | JOHNSON JOHN | 36,000 | 0.00 USD | |
| 21 May 2026 | GRANT_AWARD | Kapur Anil | 36,000 | 0.00 USD | |
| 21 May 2026 | GRANT_AWARD | ROBERTSON MICHELLE | 36,000 | 0.00 USD | |
| 21 May 2026 | GRANT_AWARD | Rowinsky Eric K | 36,000 | 0.00 USD | |
| 21 May 2026 | GRANT_AWARD | Stuglik Brian M | 36,000 | 0.00 USD | |
| 21 May 2026 | GRANT_AWARD | Tollefson Karin Anna | 36,000 | 0.00 USD | |
| 04 May 2026 | SALE | Paterson Dan | 806 | 5.82 USD | 10b5-1 |
| 20 Mar 2026 | GRANT_AWARD | Calkins Daniel | 57 | 5.74 USD | |
| 04 Feb 2026 | SALE | Paterson Dan | 970 | 6.69 USD | |
| 21 Jan 2026 | GRANT_AWARD | Paterson Dan | 213,785 | 0.00 USD | |
| 21 Jan 2026 | GRANT_AWARD | Calkins Daniel | 16,665 | 0.00 USD | |
| 12 Jan 2026 | SALE | Paterson Dan | 10,321 | 7.16 USD | |
| 12 Jan 2026 | SALE | Calkins Daniel | 5,039 | 7.16 USD | |
| 06 Jan 2026 | GRANT_AWARD | Kauffman Michael | 200,000 | 0.00 USD | deriv |
| 24 Dec 2025 | SALE | Calkins Daniel | 80 | 7.86 USD | |
| 16 Dec 2025 | SALE | Paterson Dan | 393 | 9.14 USD | |
| 16 Dec 2025 | SALE | Gagnon Robert E. | 283 | 9.14 USD | |
| 16 Dec 2025 | SALE | Stuglik Brian M | 592 | 9.14 USD | |
| 10 Dec 2025 | SALE | Paterson Dan | 2,000 | 10.07 USD | |
| 11 Dec 2025 | SALE | Paterson Dan | 2,000 | 10.00 USD | |
| 08 Dec 2025 | SALE | Paterson Dan | 2,000 | 10.50 USD | |
| 09 Dec 2025 | SALE | Paterson Dan | 2,000 | 10.25 USD | |
| 05 Dec 2025 | SALE | Paterson Dan | 2,000 | 10.61 USD |