Mark Pruzanski - May 26, 2021 Form 4 Insider Report for Equillium, Inc. (EQ)

Role: Director
Signature: /s/ Jason A. Keyes, Attorney-in-Fact for Mark Pruzanski
Stock symbol: EQ
Transactions as of: May 26, 2021
Transactions value $: $0
Form type: 4
Date filed: 5/28/2021, 06:18 PM
Next filing: Jun 2, 2021

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	EQ	Stock Option (right to buy)	Award	$0	+20.8K		$0.00	20.8K	May 26, 2021	Common Stock	20.8K	$6.55	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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).

Content

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).