---
schema_version: "secwatch.filing_event.v1"
accession: "0001380106-26-000045"
form_type: "8-K"
ticker: "RPID"
cik: "0001380106"
company_name: "RAPID MICRO BIOSYSTEMS, INC."
filed_at: "2026-03-27T23:59:59+00:00"
generated_at: "2026-05-15T08:34:56.035597+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# COO John Wilson departs April 10; CEO Spignesi assumes operating role

## Summary
- John Wilson, COO, will leave as of April 10, 2026 for family reasons; no disagreement with the Company.
- CEO Robert Spignesi will also serve as principal operating officer effective April 10, 2026.
- Separation agreement includes consulting at $200/hr, max 20 hrs/month through June 30, 2026.
- Vested stock option exercise period extended to March 31, 2027, with weekly sale cap of 20,000 shares.

## SEC filing metadata
- accession: 0001380106-26-000045
- form_type: 8-K
- ticker: RPID
- cik: 0001380106
- company_name: RAPID MICRO BIOSYSTEMS, INC.
- filed_at: 2026-03-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1380106/000138010626000045/0001380106-26-000045-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1380106/000138010626000045/rpid-20260323.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001380106-26-000045
- JSON: https://secwatch.observer/filing/0001380106-26-000045.json
- Plain text: https://secwatch.observer/filing/0001380106-26-000045.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.