---
schema_version: "secwatch.filing_event.v1"
accession: "0001380106-21-000019"
form_type: "8-K"
ticker: "RPID"
cik: "0001380106"
company_name: "RAPID MICRO BIOSYSTEMS, INC."
filed_at: "2021-12-23T23:59:59+00:00"
generated_at: "2026-06-27T22:32:53.976608+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Rapid Micro Biosystems appoints Inese Lowenstein to Board of Directors; 25,000 options granted

## Summary
- Lowenstein appointed as Class III director effective Dec 17, 2021; term expires at 2024 annual meeting.
- She joins Audit Committee; board determined independence under Nasdaq and Exchange Act standards.
- Received option to purchase 25,000 shares of Class A common stock at $11.23, vesting over 36 months.
- Currently serves as Senior Talent Advisor at Danaher; previously President of SCIEX at Danaher.
- No arrangements or transactions disclosed; standard non-employee director compensation applied.

## SEC filing metadata
- accession: 0001380106-21-000019
- form_type: 8-K
- ticker: RPID
- cik: 0001380106
- company_name: RAPID MICRO BIOSYSTEMS, INC.
- filed_at: 2021-12-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1380106/000138010621000019/0001380106-21-000019-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1380106/000138010621000019/c106-20211217x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001380106-21-000019
- JSON: https://secwatch.observer/filing/0001380106-21-000019.json
- Plain text: https://secwatch.observer/filing/0001380106-21-000019.txt

## Key facts
- Executive change
  Inese Lowenstein was appointed as Class III Director at RAPID MICRO BIOSYSTEMS, INC..
  - Action: appointed
  - Role: Class III Director
  source text: On December 17, 2021, the Board of Directors (the “Board”) of Rapid Micro Biosystems, Inc. (the “Company”) appointed Inese Lowenstein to the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1380106/000138010621000019/0001380106-21-000019-index.htm

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