Sean M. Wirtjes, CHIEF FINANCIAL OFFICER at RAPID MICRO BIOSYSTEMS, INC. (RPID), bought 10,000 shares at $0.99 ($10K) on 2023-09-06, disclosed to the SEC on 2023-09-08.
Open-market purchase of $10k RPID by CHIEF FINANCIAL OFFICER. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.
| Filing → |
| RPID | SELL | 2026-02-10 | $23K | — | Filing → |
| RPID | BUY | 2024-08-08 | $8K | — | Filing → |
| VARI | SELL | 2008-06-06 | $113K | — | Filing → |