Compensation award — excluded from discretionary-purchase analysis.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Dec 31, 2025
Reporting period
Not applicable
Filed with the SEC
Jan 13, 2026
OfficerGrant / award
Context
Classification
grant award
Code A — grant or award
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001193125-26-010470
Filed / recorded
Jan 13, 2026, 2:32 AM UTC
Added to OQRO
Oct 6, 2026, 8:46 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
REPLIGEN CORP
Issuer CIK
730272
Ticker
RGEN
Reporting person
Brian Robb Douglass
Relationship
Officer
Officer title
CHIEF PRODUCT OFFICER
Security
Stock Option (Right to Buy)
Table
Derivative (Table II)
Transaction date
Dec 31, 2025
Transaction code
A
Shares / units
2,143
Price per share
$0.00
Acquired / disposed
Acquired (A)
Shares owned after
2,143
Ownership form
Direct
Amendment
No
Footnotes from the filing
The shares will vest in substantially equal installments over a three-year period with each such vesting date occurring on the anniversary of the grant date.