---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-065246"
form_type: "8-K"
ticker: "RGEN"
cik: "0000730272"
company_name: "REPLIGEN CORP"
filed_at: "2026-02-24T23:59:59+00:00"
generated_at: "2026-05-16T00:58:00.673883+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Repligen Q4 revenue $198M (+18%); FY26 guidance $810-840M

## Summary
- Q4 revenue $198M, up 18% reported and 14% organic YoY; full year 2025 revenue $738M (+16% reported and organic non-COVID).
- Q4 GAAP EPS $0.23 vs ($0.60); adjusted EPS $0.49 vs $0.44. Full year adjusted EPS $1.71 vs $1.58.
- FY26 revenue guidance $810M–$840M (10-14% reported, 9-13% organic); adjusted operating margin expansion of 150 bps at midpoint.
- Full year 2025 organic growth of 14% exceeded initial guidance range; adjusted operating margins improved 90 bps YoY.
- CEO cited strong finish led by Analytics and Proteins; new office in Singapore and product launches in Q4.

## SEC filing metadata
- accession: 0001193125-26-065246
- form_type: 8-K
- ticker: RGEN
- cik: 0000730272
- company_name: REPLIGEN CORP
- filed_at: 2026-02-24T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/730272/000119312526065246/0001193125-26-065246-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/730272/000119312526065246/rgen-20260224.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-065246
- JSON: https://secwatch.observer/filing/0001193125-26-065246.json
- Plain text: https://secwatch.observer/filing/0001193125-26-065246.txt

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