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Company profile

REPLIGEN CORP insider acquisitions

Company CIK 0000730272 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
RGEN · Nasdaq

These are company listings. A transaction is linked to a particular security only when the filing provides enough information.

Company activity summary

By transaction date, as of October 22, 2026.

7 days30 days90 daysOverlapping periods · securities and currencies kept separate
30-day company acquisitions grouped by security, category, original code, and currency.
Type / codeReported securityTransactionsKnown purchase valueMissing amounts
Stock awardCode ACommon StockNon-derivative · Currency not specified1Not applicable0
Stock awardCode AStock Option (Right to Buy)Derivative · Currency not specified1Not applicable0
Exercise / conversionCode MCommon StockNon-derivative · Currency not specified1Not applicable0

Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.

Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.Douglass Brian RobbDouglass Brian RobbLoeillot OlivierLoeillot OlivierMUIR GLENN PMUIR GLENN PHunt AnthonyHunt AnthonyDouglass Brian Robb · October 6, 2026 · Stock award · Stock Option (Right to Buy)Douglass Brian Robb · October 6, 2026 · Stock award · Common StockLoeillot Olivier · October 5, 2026 · Exercise / conversion · Common StockMUIR GLENN P · December 16, 2025 · Exercise / conversion · Stock Option (Right to Buy)MUIR GLENN P · December 16, 2025 · Exercise / conversion · Common StockHunt Anthony · November 13, 2025 · Exercise / conversion · Stock Option (Right to Buy)Hunt Anthony · November 13, 2025 · Exercise / conversion · Common StockHunt Anthony · November 12, 2025 · Exercise / conversion · Common StockNov 12, 2025Oct 6, 2026
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

8 dated transactions · 4 of 4 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Oct 6, 2026REPLIGEN CORPStock Option (Right to Buy)Douglass Brian RobbStock award
Oct 6, 2026REPLIGEN CORPCommon StockDouglass Brian RobbStock award
Oct 5, 2026REPLIGEN CORPCommon StockLoeillot OlivierExercise / conversion
Dec 16, 2025REPLIGEN CORPStock Option (Right to Buy)MUIR GLENN PExercise / conversion
Dec 16, 2025REPLIGEN CORPCommon StockMUIR GLENN PExercise / conversion
Nov 13, 2025REPLIGEN CORPStock Option (Right to Buy)Hunt AnthonyExercise / conversion
Nov 13, 2025REPLIGEN CORPCommon StockHunt AnthonyExercise / conversion
Nov 12, 2025REPLIGEN CORPCommon StockHunt AnthonyExercise / conversion

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Share price & reported acquisitions

Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.

Price history is not available

Market-price history is not connected yet.

RGEN · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.

Reported acquisitions

Filing-date filters apply to the list and timeline. The summary above uses transaction dates.

Reset
Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedReporting ownersType / securityQuantityPrice / reference valueDetails
Trade:
Douglass Brian RobbCHIEF PRODUCT OFFICER
Stock awardStock Option (Right to Buy)Derivative security · Code A6750Value: 0Currency not specifiedView ↗
Trade:
Douglass Brian RobbCHIEF PRODUCT OFFICER
Stock awardCommon StockNon-derivative security · Code A7000Value: 0Currency not specifiedView ↗
Trade:
Loeillot OlivierChief Executive Officer · Director
Exercise / conversionCommon StockNon-derivative security · Code M4,202154.96Value: 651,141.92Currency not specifiedView ↗
Trade:
MUIR GLENN PDirector
Exercise / conversionStock Option (Right to Buy)Derivative security · Code M3,3660Value: 0Currency not specifiedView ↗
Trade:
MUIR GLENN PDirector
Exercise / conversionCommon StockNon-derivative security · Code M3,36626.12Value: 87,919.92Currency not specifiedView ↗
Trade:
Hunt AnthonyDirector
Exercise / conversionStock Option (Right to Buy)Derivative security · Code M2,9520Value: 0Currency not specifiedView ↗
Trade:
Hunt AnthonyDirector
Exercise / conversionCommon StockNon-derivative security · Code M2,95233.87Value: 99,984.24Currency not specifiedView ↗
Trade:
Hunt AnthonyDirector
Exercise / conversionCommon StockNon-derivative security · Code M25,00033.87Value: 846,750Currency not specifiedView ↗

Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →