Equillium, Inc. — Director's Dealing 2021

May 29, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Equillium, Inc. (EQ)
CIK: 0001746466
Period of Report: 2021-05-26

Reporting Person: Pruzanski Mark (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-26	Stock Option (right to buy)	$6.55	A	20770	Acquired	2031-05-26	Common Stock (20770)	Direct

Footnotes

F1: These options vest in twelve equal monthly installments commencing on the grant date of May 26, 2021, provided that the options will, in any case, be fully vested on the date of the Issuer's next annual stockholder meeting, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2018 Equity Incentive Plan (the "Plan")), through such vesting date and will vest in full upon a Change in Control (as defined in the Plan).