RAPID MICRO BIOSYSTEMS, INC. (RPID) has 31 open-market insider trades by 14 insiders since 2021. The most active filer is Robert G. Spignesi Jr., CEO & President.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Longitude Prime Partners, LLC | 10% Owner | — | 2 | $3.5M | 2026-02-03 |
| Bain Capital Life Sciences Investors, LLC | 10% Owner | — | 1 | $2.0M | 2026-05-20 |
| Kennedy LEWIS Investment Management LLC | 10% Owner | — | 2 | $1.1M | 2022-06-03 |
| Darren Richman | 10% Owner | — | 1 | $743K | 2022-05-18 |
| Robert G. Spignesi Jr. | CEOPres | — | 10 | $613K | 2026-07-22 |
| Longitude Capital Partners II, LLC | 10% Owner | — | 1 | $474K | 2026-02-03 |
| Kennedy Lewis Capital Partners Master Fund III LP | 10% Owner | — | 1 | $415K | 2022-05-26 |
| Longitude Venture Partners II, L.P. | 10% | — | 1 | $190K | 2026-02-04 |
| Sean M. Wirtjes | CFO | — | 5 | $140K | 2026-05-29 |
| John J. Addington Wilson | COO | — | 3 | $80K | 2026-03-11 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Sean M. Wirtjes | CFO | Sell | $32K | 2026-03-11 |
| John J. Addington Wilson | COO | Sell | $41K | 2026-03-11 |
| Robert G. Spignesi Jr. | President | Sell | $74K | 2026-03-10 |
| Sean M. Wirtjes | CFO | Sell | $68K | 2026-02-20 |
| John J. Addington Wilson | COO | Sell | $21K | 2026-02-20 |
| Robert G. Spignesi Jr. | President | Sell | $149K |
Companies that share insiders with RPID, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-02-19 |
| John J. Addington Wilson | COO | Sell | $17K | 2026-02-09 |
| Robert G. Spignesi Jr. | President | Sell | $49K | 2026-02-09 |
| Sean M. Wirtjes | CFO | Sell | $23K | 2026-02-09 |
| Longitude Venture Partners II, L.P. | 10% | Sell | $190K | 2026-02-04 |
| Longitude Capital Partners II, LLC | 10% Owner | Sell | $474K | 2026-01-23 |
| Longitude Prime Partners, LLC | 10% | Sell | $474K | 2026-01-23 |
| Robert G. Spignesi Jr. | President | Sell | $79K | 2025-07-11 |
| Robert G. Spignesi Jr. | President | Sell | $117K | 2025-07-08 |
| Melinda Litherland Pei | Director | Buy | $20K | 2024-12-03 |