RPID Insider Trading Activity and SEC Form 4 Filings
RPID insider trading summary
Over the past 12 months, insiders at Rapid Micro Biosystems, Inc. (RPID) reported 35 sales worth $4.0M by 9 insiders and no open-market purchases on SEC Form 4. Net insider selling was $4.0M.
Latest RPID insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Mar 11, 2026 | John J. Addington Wilson | Chief Operating Officer | Sell | $41K (9,603 @ $4.32) |
| Mar 11, 2026 | Sean M Wirtjes | Chief Financial Officer | Sell | $32K (7,480 @ $4.32) |
| Mar 10, 2026 | Robert G. Spignesi Jr. | President and CEO | Sell | $74K (17,922 @ $4.11) |
| Feb 20, 2026 | John J. Addington Wilson | Chief Operating Officer | Sell | $21K (5,403 @ $3.92) |
| Feb 20, 2026 | Sean M Wirtjes | Chief Financial Officer | Sell | $68K (17,254 @ $3.92) |
| Feb 19, 2026 | Robert G. Spignesi Jr. | President and CEO | Sell | $149K (38,327 @ $3.89) |
| Feb 9, 2026 | Sean M Wirtjes | Chief Financial Officer | Sell | $23K (6,027 @ $3.78) |
| Feb 9, 2026 | John J. Addington Wilson | Chief Operating Officer | Sell | $17K (4,610 @ $3.78) |
| Feb 9, 2026 | Robert G. Spignesi Jr. | President and CEO | Sell | $49K (12,840 @ $3.78) |
| Feb 4, 2026 | Longitude Prime Fund, L.P. | Insider | Sell | $190K (49,000 @ $3.88) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.