Equillium, Inc. — Director's Dealing 2025

May 23, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Equillium, Inc. (EQ)
CIK: 0001746466
Period of Report: 2025-05-21

Reporting Person: DEMSKI MARTHA J (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-21	Director Stock Option (right to buy)	$0.39	A	20000	Acquired	2035-05-20	Common Stock (20000)	Direct

Footnotes

F1: The option vests in twelve equal monthly installments commencing on the grant date of May 21, 2025, provided that the option will, in any case, be fully vested on the date of the Issuer's annual meeting of stockholders following the grant date.