---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-068716"
form_type: "8-K"
ticker: "RGEN"
cik: "0000730272"
company_name: "REPLIGEN CORP"
filed_at: "2022-03-08T23:59:59+00:00"
generated_at: "2026-06-27T00:55:43.426813+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Repligen elects combination settlement for convertible notes due 2024

## Summary
- Irrevocably elected Combination Settlement with $1,000 Specified Dollar Amount per $1,000 principal for 0.375% Convertible Senior Notes due 2024.
- Settlement method change applies to any conversion of Notes on or after March 4, 2022.
- Notes convertible at holder option upon satisfaction of conditions until April 15, 2024, then at any time.
- Second Supplemental Indenture entered with Wilmington Trust, National Association, as trustee.

## SEC filing metadata
- accession: 0001193125-22-068716
- form_type: 8-K
- ticker: RGEN
- cik: 0000730272
- company_name: REPLIGEN CORP
- filed_at: 2022-03-08T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/730272/000119312522068716/0001193125-22-068716-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/730272/000119312522068716/d316288d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-068716
- JSON: https://secwatch.observer/filing/0001193125-22-068716.json
- Plain text: https://secwatch.observer/filing/0001193125-22-068716.txt

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