FIBROGEN INC — Director's Dealing 2026

Feb 5, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KYNTRA BIO, INC. (KYNB)
CIK: 0000921299
Period of Report: 2026-02-03

Reporting Person: Wettig Thane (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-03	Stock Option (Right to Buy)	$8.50	A	60000	Acquired	2036-02-02	Common Stock (60000)	Direct

Footnotes

F1: The option vests in equal amount quarterly over 4 years measured from 2/3/2026.