---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-225040"
form_type: "8-K"
ticker: "RGEN"
cik: "0000730272"
company_name: "REPLIGEN CORP"
filed_at: "2021-07-27T23:59:59+00:00"
generated_at: "2026-06-30T02:21:14.879419+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Repligen Q2 revenue $163M (+86% YoY); adj. EPS $0.79; raises FY21 outlook

## Summary
- Q2 revenue $163.0M, up 86% YoY as reported and 69% organic; base business grew 35% YoY.
- GAAP diluted EPS $0.64 vs $0.30; adjusted diluted EPS $0.79 vs $0.42.
- GAAP gross margin 62.0% (up 410 bps); adjusted operating margin 34.7% (up 550 bps).
- FY2021 revenue guidance raised to $625-645M (prev $565-590M); organic growth guidance 57-62% (prev 42-49%).
- Completed acquisition of Polymem S.A. on July 1, 2021; cash position $734.3M.

## SEC filing metadata
- accession: 0001193125-21-225040
- form_type: 8-K
- ticker: RGEN
- cik: 0000730272
- company_name: REPLIGEN CORP
- filed_at: 2021-07-27T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/730272/000119312521225040/0001193125-21-225040-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/730272/000119312521225040/d124486d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-225040
- JSON: https://secwatch.observer/filing/0001193125-21-225040.json
- Plain text: https://secwatch.observer/filing/0001193125-21-225040.txt

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