RPID insider transaction filings

RAPID MICRO BIOSYSTEMS, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-07-24. Screen RPID transaction legs live →

FiledFormInsiderReported transactionsSource
2026-07-244Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorOption exercise (M): 1,402 @ $0.75 · Option exercise (M): 1,402 (derivative) @ $0EDGAR
2026-07-244Kollender Richard S — DirectorOption exercise (M): 1,681 @ $0.75 · Option exercise (M): 1,827 @ $0.75 · Option exercise (M): 1,681 (derivative) @ $0 · Option exercise (M): 1,827 (derivative) @ $0EDGAR
2026-06-024LOWENSTEIN INESE — DirectorGrant/award (A): 12,787 @ $1.96 · Grant/award (A): 12,787 (derivative) @ $0 · Grant/award (A): 12,787 (derivative) @ $0EDGAR
2026-06-024Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorGrant/award (A): 12,787 @ $1.96 · Grant/award (A): 12,787 (derivative) @ $0 · Grant/award (A): 12,787 (derivative) @ $0EDGAR
2026-06-024PEI MELINDA LITHERLAND — DirectorGrant/award (A): 12,787 @ $1.96 · Grant/award (A): 12,787 (derivative) @ $0 · Grant/award (A): 12,787 (derivative) @ $0EDGAR
2026-06-024Malloy Kirk — DirectorGrant/award (A): 12,787 @ $1.96 · Grant/award (A): 12,787 (derivative) @ $0 · Grant/award (A): 12,787 (derivative) @ $0EDGAR
2026-06-024WIRTJES SEAN M — CHIEF FINANCIAL OFFICERGrant/award (A): 12,787 @ $1.96 · Grant/award (A): 12,787 (derivative) @ $0 · Grant/award (A): 12,787 (derivative) @ $0EDGAR
2026-05-264Bika Dafni — DirectorGrant/award (A): 19,300 @ $0 · Grant/award (A): 38,700 (derivative) @ $0EDGAR
2026-05-264LOWENSTEIN INESE — DirectorGrant/award (A): 19,300 @ $0 · Grant/award (A): 38,700 (derivative) @ $0EDGAR
2026-05-264PEI MELINDA LITHERLAND — DirectorGrant/award (A): 19,300 @ $0 · Grant/award (A): 38,700 (derivative) @ $0EDGAR
2026-05-264Kollender Richard S — DirectorGrant/award (A): 19,300 @ $0 · Grant/award (A): 38,700 (derivative) @ $0EDGAR
2026-05-264Malloy Kirk — DirectorGrant/award (A): 19,300 @ $0 · Grant/award (A): 38,700 (derivative) @ $0EDGAR
2026-05-224Bain Capital Life Sciences Investors, LLC — 10% owner
Bain Capital Life Sciences Partners, LP — 10% owner
Bain Capital Life Sciences Fund, L.P. — 10% owner
BCIP Life Sciences Associates, LP — 10% owner
Purchase (P): 1,463,000 (derivative) · Purchase (P): 1,463,000 (derivative) · Purchase (P): 1,463,000 (derivative)EDGAR
2026-03-124Wilson John J. Addington — CHIEF OPERATING OFFICERSale (S): 9,603 @ $4.32EDGAR
2026-03-124Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorSale (S): 17,922 @ $4.11EDGAR
2026-03-124WIRTJES SEAN M — CHIEF FINANCIAL OFFICERSale (S): 7,480 @ $4.32EDGAR
2026-03-024RICCIARDI NATALE S — DirectorOption exercise (M): 842 @ $0.75 · Option exercise (M): 842 (derivative) @ $0.75EDGAR
2026-02-204Wilson John J. Addington — CHIEF OPERATING OFFICERSale (S): 5,403 @ $3.92EDGAR
2026-02-204Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorSale (S): 38,327 @ $3.89EDGAR
2026-02-204WIRTJES SEAN M — CHIEF FINANCIAL OFFICERSale (S): 17,254 @ $3.92EDGAR
2026-02-134Wilson John J. Addington — CHIEF OPERATING OFFICERGrant/award (A): 74,000 @ $0 · Grant/award (A): 147,000 (derivative) @ $0EDGAR
2026-02-134Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorGrant/award (A): 264,000 @ $0 · Grant/award (A): 528,000 (derivative) @ $0EDGAR
2026-02-134WIRTJES SEAN M — CHIEF FINANCIAL OFFICERGrant/award (A): 97,000 @ $0 · Grant/award (A): 193,000 (derivative) @ $0EDGAR
2026-02-104Wilson John J. Addington — CHIEF OPERATING OFFICERSale (S): 4,610 @ $3.78EDGAR
2026-02-104Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorSale (S): 12,840 @ $3.78EDGAR
2026-02-104WIRTJES SEAN M — CHIEF FINANCIAL OFFICERSale (S): 6,027 @ $3.78EDGAR
2026-02-064Longitude Capital Partners II, LLC — 10% owner
Longitude Venture Partners II, L.P. — 10% owner
Longitude Prime Partners, LLC — 10% owner
Longitude Prime Fund, L.P. — 10% owner
ENRIGHT PATRICK G — 10% owner
Tammenoms Bakker Juliet — 10% owner
Sale (S): 49,000 @ $3.88EDGAR
2026-02-034Longitude Capital Partners II, LLC — 10% owner
Longitude Venture Partners II, L.P. — 10% owner
Longitude Prime Partners, LLC — 10% owner
ENRIGHT PATRICK G — 10% owner
Tammenoms Bakker Juliet — 10% owner
Option exercise/expiry (X): 629,032 @ $0.05 · Sale (S): 7,739 @ $4.06 · Sale (S): 46,000 @ $4.54 · Sale (S): 27,500 @ $4.25 · Sale (S): 27,500 @ $4.24 · Option exercise/expiry (X): 500,000 (derivative) @ $0 · +1 moreEDGAR
2025-11-184Malloy Kirk — DirectorGift (G): 40,000 @ $0EDGAR
2025-10-214Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorOption exercise (M): 3,400 @ $0.75 · Tax withholding (F): 2,072 @ $3.08 · Option exercise (M): 7,833 @ $0.75 · Tax withholding (F): 4,774 @ $3.08 · Option exercise (M): 3,400 (derivative) @ $0 · Option exercise (M): 7,833 (derivative) @ $0EDGAR
2025-07-154Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorOption exercise (M): 25,145 @ $0 · Sale (S): 11,874 @ $3.33 · Option exercise (M): 25,145 @ $0 · Sale (S): 11,881 @ $3.32EDGAR
2025-07-104Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorOption exercise (M): 25,144 @ $0 · Sale (S): 10,824 @ $3.51 · Option exercise (M): 25,144 @ $0 · Sale (S): 11,247 @ $3.51 · Option exercise (M): 25,145 @ $0 · Sale (S): 11,617 @ $3.40EDGAR
2025-05-274Bika Dafni — DirectorGrant/award (A): 50,000 (derivative) @ $0EDGAR
2025-05-274LOWENSTEIN INESE — DirectorGrant/award (A): 14,300 @ $0 · Grant/award (A): 28,650 (derivative) @ $0EDGAR
2025-05-274PEI MELINDA LITHERLAND — DirectorGrant/award (A): 14,300 @ $0 · Grant/award (A): 28,650 (derivative) @ $0EDGAR
2025-05-274Kollender Richard S — DirectorGrant/award (A): 14,300 @ $0 · Grant/award (A): 28,650 (derivative) @ $0EDGAR
2025-05-274Malloy Kirk — DirectorGrant/award (A): 14,300 @ $0 · Grant/award (A): 28,650 (derivative) @ $0EDGAR
2025-05-274RICCIARDI NATALE S — DirectorGrant/award (A): 14,300 @ $0 · Grant/award (A): 28,650 (derivative) @ $0EDGAR
2025-03-114Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorTax withholding (F): 10,650 @ $2.39EDGAR
2025-03-114Wilson John J. Addington — CHIEF OPERATING OFFICERTax withholding (F): 9,872 @ $2.39EDGAR
2025-03-114WIRTJES SEAN M — CHIEF FINANCIAL OFFICERTax withholding (F): 7,690 @ $2.39EDGAR
2025-02-204Wilson John J. Addington — CHIEF OPERATING OFFICERGrant/award (A): 44,000 @ $0 · Grant/award (A): 89,000 (derivative) @ $0EDGAR
2025-02-204Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorGrant/award (A): 365,000 @ $0 · Grant/award (A): 290,000 (derivative) @ $0EDGAR
2025-02-204WIRTJES SEAN M — CHIEF FINANCIAL OFFICERGrant/award (A): 160,000 @ $0 · Grant/award (A): 121,000 (derivative) @ $0EDGAR
2025-02-134Wilson John J. Addington — CHIEF OPERATING OFFICERTax withholding (F): 7,075 @ $2.68EDGAR
2025-02-134Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorTax withholding (F): 10,755 @ $2.68EDGAR
2025-02-134WIRTJES SEAN M — CHIEF FINANCIAL OFFICERTax withholding (F): 4,621 @ $2.68EDGAR
2025-02-074Wilson John J. Addington — CHIEF OPERATING OFFICERTax withholding (F): 4,505 @ $3.10EDGAR
2025-02-074Spignesi Robert G. Jr. — PRESIDENT AND CEO, DirectorTax withholding (F): 13,052 @ $3.10EDGAR
2025-02-074WIRTJES SEAN M — CHIEF FINANCIAL OFFICERTax withholding (F): 5,891 @ $3.10EDGAR

Recent 8-K events — RAPID MICRO BIOSYSTEMS, INC.

FiledFormItems reportedSource
2026-08-078-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-288-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-198-K1.01 — Entry into a Material Definitive Agreement
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-138-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-278-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-128-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-01-138-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-078-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-08-128-K1.01 — Entry into a Material Definitive Agreement
2.02 — Results of Operations and Financial Condition
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
3.02 — Unregistered Sales of Equity Securities
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-06-178-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
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