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

Role
Director
Signature
/s/ Michael Hom, Attorney-in-Fact
Stock symbol
FGEN
Transactions as of
Jun 4, 2025
Transactions value $
$0
Form type
4
Date filed
6/6/2025, 04:17 PM
Previous filing
May 27, 2025
Next filing
Jun 23, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kauffman Michael Director C/O FIBROGEN, INC., 350 BAY STREET, SUITE 100, #6009, SAN FRANCISCO /s/ Michael Hom, Attorney-in-Fact 2025-06-06 0001364719

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction FGEN Stock Option (Right to Buy) Award $0 +70K $0.00 70K Jun 4, 2025 Common Stock 70K $0.31 Direct F1
transaction FGEN Stock Option (Right to Buy) Award $0 +120K $0.00 120K Jun 4, 2025 Common Stock 120K $0.31 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.
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.