Reporting Owner Activity for Ralf Kuriyel

Form 3/4/5 issuer positions and transaction evidence for this reporting owner.

Linked issuers

1

Largest position

REPLIGEN CORP

Disclosed value

$2.75M

Transaction activity

Available

Ownership signals CIK-linked ownership evidence from parsed SEC filings. 1 signal
Forms 3/4/5 ownership snapshot

Forms 3/4/5 show reporting-owner positions and transactions. They are useful owner-context signals, not a complete public-float ownership table.

Estimated Forms 3/4/5 owner-position value

$2.75M

Estimated from parsed Forms 3/4/5 when filings include enough holding data.

Issuers linked to this owner

1

Distinct issuers connected to this reporting owner in parsed SEC filings.

Largest linked issuer position

REPLIGEN CORP (RGEN)

$2.75M estimated from parsed reporting-owner filings.

Latest parsed reporting-owner filing

23 Mar 2026

Most recent reporting-owner filing date in the parsed SEC record.

How to read Forms 3/4/5 positions
  • Reported values are filing-backed estimates from parsed SEC Forms 3/4/5 when the filing includes enough price and share data.
  • Use this as reporting-owner context, not as a live capitalization table.
Identity Who this page is about. 1 identity field
Location
Waltham, MA
SEC source record Original filing metadata and source links. 1 source field
Latest reporting-owner signature
/s/ Jennifer Carmichael (Attorney in Fact)
Source evidence Original filing metadata and source links. 1 source field
SEC filing history
Open SEC filing history

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Reported issuer positions for Ralf Kuriyel

RGEN Forms 3/4/5

REPLIGEN CORP

Relationship
Senior VP, R&D
Holdings value
$2,752,907
Past year net change
Change %
Report period
05 Mar 2026

Recent insider transactions for Ralf Kuriyel

Sym Company Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
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