Sign in

CIK 0000730272 · Large accelerated filer

REPLIGEN CORP

Sign in to watch
Ticker
RGEN
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
042729386
Phone
7814499560
Business address
41 SEYON STREET, BUILDING 1, SUITE 100, WALTHAM, MA, 02453
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$5,953,260
in 5 filings, $6.0M under 10b5-1 plans

Net −$5,953,260. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Loeillot Olivier −$6.0M Chief Executive Officer sold 41% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-11-13 Hunt Anthony Director Sale −3,000 $155.45 $466K 88,436
2025-11-13 Hunt Anthony Director Sale −5,737 $156.22 $896K 82,699
2025-11-13 Hunt Anthony Director Sale −1,956 $157.11 $307K 80,743
2025-11-13 Hunt Anthony Director Option exercise +2,952 $33.87 $100K 83,695
2025-11-13 Hunt Anthony Director Option exercise · Stock Option (Right to Buy) +2,952 14,760
2025-11-12 Hunt Anthony Director Option exercise 10b5-1 +25,000 $33.87 $847K 125,743
2025-11-12 Hunt Anthony Director Sale 10b5-1 −3,741 $154.92 $580K 122,002
2025-11-12 Hunt Anthony Director Sale 10b5-1 −4,740 $155.85 $739K 117,262
2025-11-12 Hunt Anthony Director Sale 10b5-1 −4,959 $156.65 $777K 112,303
2025-11-12 Hunt Anthony Director Sale 10b5-1 −11,096 $158.01 $1.8M 101,207
2025-11-12 Hunt Anthony Director Sale 10b5-1 −464 $158.51 $74K 100,743
2025-11-12 Hunt Anthony Director Option exercise · Stock Option (Right to Buy) 10b5-1 −25,000 157,344
2025-10-02 Loeillot Olivier Chief Executive Officer Shares withheld for taxes −1,248 $145.23 $181K 42,939
2025-09-25 Garland Jason K CFO Shares withheld for taxes −412 $121.68 $50K 13,383
2025-09-10 Hunt Anthony Director Option exercise +20,000 $33.87 $677K 129,854
2025-09-10 Hunt Anthony Director Sale −96 $116.34 $11K 129,758
2025-09-10 Hunt Anthony Director Sale −1,108 $118.32 $131K 128,650
2025-09-10 Hunt Anthony Director Sale −3,262 $119.64 $390K 125,388
2025-09-10 Hunt Anthony Director Sale −14,882 $120.19 $1.8M 110,506
2025-09-10 Hunt Anthony Director Sale −7,584 $121.42 $921K 102,922

Page 5 of 11 · 215 trades