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CIK 0001746466 · Non-accelerated filer<br>Smaller reporting company

Equillium, Inc.

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Ticker
EQ
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
821554746
Phone
(858) 412-5302
Business address
2223 AVENIDA DE LA PLAYA, SUITE 105, LA JOLLA, CA, 92037
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2026-05-28 Troupin Barbara Director Grant or award · Director Stock Option (right to buy) +70,000 70,000
2026-05-28 Pruzanski Mark Director Grant or award · Director Stock Option (right to buy) +70,000 70,000
2026-05-28 BRADBURY DANIEL CHAIRMAN Grant or award · Director stock option (right to buy) +70,000 70,000
2026-05-28 DEMSKI MARTHA J Director Grant or award · Director Stock Option (right to buy) +70,000 70,000
2026-05-27 Zedelmayer Christine Sr. Vice President and COO Option exercise 10b5-1 +9,821 $0.77 $8K 72,407
2026-05-27 Zedelmayer Christine Sr. Vice President and COO Sale 10b5-1 −9,821 $2.70 $27K 62,586
2026-05-27 Zedelmayer Christine Sr. Vice President and COO Option exercise · Employee Stock Option (right to buy) 10b5-1 −9,821 165,179
2026-03-13 Zedelmayer Christine Sr. Vice President and COO Option exercise 10b5-1 +120,312 $0.79 $94K 182,898
2026-03-13 Zedelmayer Christine Sr. Vice President and COO Sale 10b5-1 −120,312 $2.50 $301K 62,586
2026-03-13 Zedelmayer Christine Sr. Vice President and COO Option exercise · Employee Stock Option (right to buy) 10b5-1 −120,312 54,688
2026-03-09 Zedelmayer Christine Sr. Vice President and COO Option exercise 10b5-1 +35,695 $0.79 $28K 127,139
2026-03-09 Zedelmayer Christine Sr. Vice President and COO Option exercise 10b5-1 +41,666 $0.79 $33K 168,805
2026-03-09 Zedelmayer Christine Sr. Vice President and COO Option exercise 10b5-1 +75,000 $0.79 $59K 243,805
2026-03-09 Zedelmayer Christine Sr. Vice President and COO Sale 10b5-1 −181,219 $2.00 $362K 62,586
2026-03-09 Zedelmayer Christine Sr. Vice President and COO Option exercise · Employee Stock Option (right to buy) 10b5-1 −35,695 0
2026-03-09 Zedelmayer Christine Sr. Vice President and COO Option exercise · Employee Stock Option (right to buy) 10b5-1 −41,666 0
2026-03-09 Zedelmayer Christine Sr. Vice President and COO Option exercise · Employee Stock Option (right to buy) 10b5-1 −75,000 0
2026-02-19 Zedelmayer Christine Sr. Vice President and COO Option exercise 10b5-1 +109,375 $0.79 $86K 200,819
2026-02-19 Zedelmayer Christine Sr. Vice President and COO Sale 10b5-1 −109,375 $1.78 $195K 91,444
2026-02-19 Zedelmayer Christine Sr. Vice President and COO Option exercise 10b5-1 +76,562 $0.73 $56K 168,006

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