Michael Kauffman - 04 Jun 2025 Form 4 Insider Report for FIBROGEN INC (FGEN)

Reporting relationship: Director
Issuer ticker: FGEN
Reported as of: 04 Jun 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Jun 2025, 16:17:47 UTC
Prior SEC filing: 27 May 2025
Next SEC filing: 23 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Michael Hom, Attorney-in-Fact

Key filing fact

Michael Kauffman filed Form 4 for FIBROGEN INC (FGEN) on 06 Jun 2025.

Key facts

This page summarizes Michael Kauffman's Form 4 filing for FIBROGEN INC (FGEN).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 06 Jun 2025, 16:17.

Change

Previous filing in this sequence was filed on 27 May 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001364719 Primary reporting owner

Kauffman Michael

Relationship: Director
Address: C/O FIBROGEN, INC., 350 BAY STREET, SUITE 100, #6009, SAN FRANCISCO
Signature: /s/ Michael Hom, Attorney-in-Fact
Signature date: 06 Jun 2025

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FGEN transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +70,000
Change %
Price: $0.000000
Shares after: 70,000
Date: 04 Jun 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 70,000
Exercise price: $0.3051
Footnotes: F1

FGEN transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +120,000
Change %
Price: $0.000000
Shares after: 120,000
Date: 04 Jun 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 120,000
Exercise price: $0.3051
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The shares subject to the option shall vest in equal quarterly installments over three years from the date of grant, subject to the reporting person's continued service at each applicable vest date.

Footnote F2

The shares subject to the option shall vest on the earlier of four equal quarterly installments measured from the date of grant or the date of the next annual meeting of stockholders, subject to the reporting person's continued service at each applicable vest date.