Equillium, Inc. — Director's Dealing 2021

Nov 17, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Equillium, Inc. (EQ)
CIK: 0001746466
Period of Report: 2021-11-16

Reporting Person: Zedelmayer Christine (Sr. Vice President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-16	Common Stock	M	8334	$2.45	Acquired	98843	Direct
2021-11-16	Common Stock	S	4084	$5.485	Disposed	94759	Direct
2021-11-16	Common Stock	M	15000	$2.45	Acquired	109759	Direct
2021-11-16	Common Stock	S	7350	$5.485	Disposed	102409	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-16	Employee Stock Option	$2.45	M	8334	Disposed	2029-02-12	Common Stock (8334)	Direct
2021-11-16	Employee Stock Option	$2.45	M	15000	Disposed	2029-12-09	Common Stock (15000)	Direct

Footnotes

F1: The stock option exercises reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the reporting person on September 17, 2021.

F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 17, 2021. The transaction was a sell-to-cover exercise, with shares sold to cover the option exercise price and taxes.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.40 to $5.59, inclusive. The reporting person undertakes to provide to Equillium, Inc., any security holder of Equillium, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (3) to this Form 4.

F4: In accordance with Instruction 4 to this Form, Column 9 reports only total beneficial ownership of the "class" of derivative security reported in Column 1. Options that have different exercise prices or expiration dates are not considered to be of the same "class."