---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-072664"
form_type: "8-K"
ticker: "RGEN"
cik: "0000730272"
company_name: "REPLIGEN CORP"
filed_at: "2025-05-15T23:59:59+00:00"
generated_at: "2026-05-21T06:32:57.944340+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Repligen shareholders approve officer liability limitation amendment, elect directors at May 15 annual meeting

## Summary
- Stockholders approved a Certificate of Amendment to limit officer liability under Delaware law (45.3M for, 5.9M against).
- All 10 director nominees elected, including Olivier Loeillot and Martin Madaus (latter received ~45.6M for, ~5.6M against).
- Ernst & Young LLP ratified as independent auditor for fiscal year ending Dec 31, 2025 (52.7M for, 0.6M against).
- Advisory vote on named executive officer compensation passed (49.4M for, 1.7M against).
- Voter turnout was 94.94% of 56.2M shares entitled to vote.

## SEC filing metadata
- accession: 0000950170-25-072664
- form_type: 8-K
- ticker: RGEN
- cik: 0000730272
- company_name: REPLIGEN CORP
- filed_at: 2025-05-15T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/730272/000095017025072664/0000950170-25-072664-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/730272/000095017025072664/rgen-20250515.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-072664
- JSON: https://secwatch.observer/filing/0000950170-25-072664.json
- Plain text: https://secwatch.observer/filing/0000950170-25-072664.txt

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