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4//SEC Filing

Wettig Thane 4

Accession 0001815638-25-000005

CIK 0000921299other

View on SEC.gov Company Profile

Filed

Dec 8, 7:00 PM ET

Accepted

Dec 9, 4:10 PM ET

Size

5.5 KB

Accession

0001815638-25-000005

Insider Transaction Report

Form 4

Period: 2025-12-06

FIBROGEN INCFGEN

DirectorCEO

Transactions

Tax Payment
Common Stock
2025-12-06$8.42/sh−259$2,181→ 24,680 total

Holdings

Common Stock
(indirect: By Spouse)
40

Footnotes (1)

[F1]Represents shares withheld by the issuer to satisfy a tax obligation realized by the reporting person upon the vesting of restricted stock units.

Documents

1 file

4
form4-12092025_091206.xmlPrimary

Issuer

FIBROGEN INC

CIK 0000921299

Entity typeother

Related Parties

1

filerCIK 0001815638

Filing Metadata

Form type: 4
Filed: Dec 8, 7:00 PM ET
Accepted: Dec 9, 4:10 PM ET
Size: 5.5 KB

View on SEC.gov