RAPID MICRO BIOSYSTEMS, INC.
RPID
26 insider filings · Latest: May 29, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 10, 2026 | Jun 10 8:33 PM | Wilson John J. Addington | Proposed Sale | 5,000 | $1.87 | $9.3K | — | View → |
| Mar 11, 2026 | Mar 12 11:53 PM | Addington J. Wilson JohnCHIEF OPERATING OFFICER | Sale | 9,603 | $4.32 | $41.5K | 316,762(D) | View → |
| Mar 11, 2026 | Mar 12 11:52 PM | Sean M WirtjesCHIEF FINANCIAL OFFICER | Sale | 7,480 | $4.32 | $32.3K | 556,194(D) | View → |
| Mar 10, 2026 | Mar 12 11:52 PM | Robert G. Spignesi Jr.Director, PRESIDENT AND CEO | Sale | 17,922 | $4.11 | $73.7K | 1,169,848(D) | View → |
| Mar 11, 2026 | Mar 11 7:15 PM | WIRTJES SEAN M | Proposed Sale | 7,480 | $4.32 | $32.3K | — | View → |
| Mar 11, 2026 | Mar 11 7:10 PM | Wilson John J. Addington | Proposed Sale | 9,603 | $4.32 | $41.5K | — | View → |
| Mar 10, 2026 | Mar 10 8:26 PM | Spignesi Robert G. Jr. | Proposed Sale | 17,922 | $4.11 | $73.7K | — | View → |
| Feb 20, 2026 | Feb 21 12:20 AM | Addington J. Wilson JohnCHIEF OPERATING OFFICER | Sale | 5,403 | $3.92 | $21.2K | 326,365(D) | View → |
| Feb 20, 2026 | Feb 21 12:19 AM | Sean M WirtjesCHIEF FINANCIAL OFFICER | Sale | 17,254 | $3.92 | $67.7K | 563,674(D) | View → |
| Feb 19, 2026 | Feb 21 12:17 AM | Robert G. Spignesi Jr.Director, PRESIDENT AND CEO | Sale | 38,327 | $3.89 | $148.9K | 1,187,770(D) | View → |
| Feb 20, 2026 | Feb 20 9:41 PM | Wilson John J. Addington | Proposed Sale | 5,403 | $3.92 | $21.2K | — | View → |
| Feb 20, 2026 | Feb 20 9:36 PM | WIRTJES SEAN M | Proposed Sale | 17,254 | $3.92 | $67.7K | — | View → |
| Feb 19, 2026 | Feb 19 9:19 PM | Spignesi Robert G. Jr. | Proposed Sale | 38,327 | $3.89 | $148.9K | — | View → |
| Feb 9, 2026 | Feb 10 11:58 PM | Addington J. Wilson JohnCHIEF OPERATING OFFICER | Sale | 4,610 | $3.78 | $17.4K | 257,768(D) | View → |
| Feb 9, 2026 | Feb 10 11:54 PM | Sean M WirtjesCHIEF FINANCIAL OFFICER | Sale | 6,027 | $3.78 | $22.8K | 483,928(D) | View → |
| Feb 9, 2026 | Feb 10 11:52 PM | Robert G. Spignesi Jr.Director, PRESIDENT AND CEO | Sale | 12,840 | $3.78 | $48.6K | 962,097(D) | View → |
| Feb 9, 2026 | Feb 9 9:33 PM | WIRTJES SEAN M | Proposed Sale | 6,027 | $3.78 | $22.8K | — | View → |
| Feb 9, 2026 | Feb 9 9:33 PM | Spignesi Robert G. Jr. | Proposed Sale | 12,840 | $3.78 | $48.6K | — | View → |
| Feb 9, 2026 | Feb 9 9:27 PM | Wilson John J. Addington | Proposed Sale | 4,610 | $3.78 | $17.4K | — | View → |
| Feb 4, 2026 | Feb 6 9:26 PM | Longitude Capital Partners II, LLC10% Owner | Sale | 49,000 | $3.88 | $190.1K | 0(I) | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | Jun 2 11:45 PM | Inese LowensteinDirector | Grant/Award | 25,574 | $2.34 | 12,787(D) | View → |
| May 29, 2026 | Jun 2 11:44 PM | Melinda Litherland PeiDirector | Grant/Award | 25,574 | $2.34 | 12,787(D) | View → |
| May 29, 2026 | Jun 2 11:42 PM | Kirk MalloyDirector | Grant/Award | 25,574 | $2.34 | 12,787(D) | View → |
| May 29, 2026 | Jun 2 11:41 PM | Sean M WirtjesCHIEF FINANCIAL OFFICER | Grant/Award | 25,574 | $2.34 | 12,787(D) | View → |
| May 29, 2026 | Jun 2 11:40 PM | Robert G. Spignesi Jr.Director, PRESIDENT AND CEO | Grant/Award | 25,574 | $2.34 | 12,787(D) | View → |
| May 21, 2026 | May 26 11:27 PM | Kirk MalloyDirector | Grant/Award | 38,700 | $2.07 | 38,700(D) | View → |
| May 21, 2026 | May 26 11:26 PM | Inese LowensteinDirector | Grant/Award | 38,700 | $2.07 | 38,700(D) | View → |
| May 21, 2026 | May 26 11:25 PM | Melinda Litherland PeiDirector | Grant/Award | 38,700 | $2.07 | 38,700(D) | View → |
| May 21, 2026 | May 26 11:25 PM | Richard S KollenderDirector | Grant/Award | 38,700 | $2.07 | 38,700(D) | View → |
| May 21, 2026 | May 26 11:24 PM | Dafni BikaDirector | Grant/Award | 38,700 | $2.07 | 38,700(D) | View → |
| May 20, 2026 | May 22 8:30 PM | Bain Capital Life Sciences Investors, LLC10% Owner | Purchase | 4,389,000 | $2.34 | 1,463,000(I) | View → |
| Feb 27, 2026 | Mar 2 11:11 PM | Natale S RicciardiDirector | Option Exercise | 842 | $0.75 | 0(D) | View → |
| Feb 11, 2026 | Feb 14 12:35 AM | Addington J. Wilson JohnCHIEF OPERATING OFFICER | Grant/Award | 147,000 | $4.20 | 147,000(D) | View → |
| Feb 11, 2026 | Feb 14 12:34 AM | Sean M WirtjesCHIEF FINANCIAL OFFICER | Grant/Award | 193,000 | $4.20 | 193,000(D) | View → |
| Feb 11, 2026 | Feb 14 12:33 AM | Robert G. Spignesi Jr.Director, PRESIDENT AND CEO | Grant/Award | 528,000 | $4.20 | 528,000(D) | View → |
| Jan 23, 2026 | Feb 4 1:50 AM | Longitude Capital Partners II, LLC10% Owner | X | 629,032 | $0.05 | 0(I) | View → |