IO Biotech, Inc. — Director's Dealing 2025

Apr 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IO Biotech, Inc. (IOBT)
CIK: 0001865494
Period of Report: 2025-04-02

Reporting Person: Sullivan Amy (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-04-02	Stock Option (Right to Buy)	$1.07	A	215000	Acquired	2035-04-02	Common Stock (215000)	Direct

Footnotes

F1: One-fourth of these options vest on April 2, 2026, and 1/36th of the remaining options vest each month thereafter, subject to the reporting person's continued service through the applicable vesting date, and subject to 25% acceleration upon termination of service by the issuer without cause and 100% acceleration upon termination of service by the Issuer without cause if such termination occurs within 24 months of a change of control.