Daniel Calkins, Chief Financial Officer at Verastem, Inc. (VSTM), sold 55 shares at $7.70 ($424) on 2026-09-21, disclosed to the SEC on 2026-09-23.
Seasonal sale ($424) by Chief Financial Officer — this insider has traded VSTM in September in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| VSTM | SELL | 2026-01-14 | $36K | — | Filing → |
| VSTM | SELL | 2025-12-29 | $629 | — | Filing → |
| VSTM | SELL | 2025-09-24 | $748 | — | Filing → |