Equillium, Inc. (EQ) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-05

Equillium, Inc. (EQ) has filed 9 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-05. 2 Form 8-K material event filings were reported by EQ in the last 90 days. 3 Form 144 notices of proposed sale were filed for EQ stock. InsiderAlpha tracks every EQ SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Equillium, Inc. (EQ)

SEC CIK0001746466

90-Day SEC Filing Activity

Form 4 filings (90d)9
Form 8-K filings (90d)2
Form 144 notices (90d)3
Latest Form 4 filing2026-06-05

Recent EQ Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Connelly StephenPresident and CSOS — Open-market sale31.0K$2.94$91KSEC
Zedelmayer ChristineSr. Vice President and COOS — Open-market sale14.6K$2.93$43KSEC
Zedelmayer ChristineSr. Vice President and COOM — Option exercise14.6K$0.79$11KSEC
Connelly StephenPresident and CSOS — Open-market sale200.0K$3.16$633KSEC
Zedelmayer ChristineSr. Vice President and COOM — Option exercise15.6K$0.79$12KSEC
Zedelmayer ChristineSr. Vice President and COOM — Option exercise14.6K$0.79$11KSEC
Zedelmayer ChristineSr. Vice President and COOS — Open-market sale200$2.71$542SEC
Zedelmayer ChristineSr. Vice President and COOS — Open-market sale55.6K$2.70$150KSEC
Zedelmayer ChristineSr. Vice President and COOM — Option exercise7.3K$0.73$5KSEC
Zedelmayer ChristineSr. Vice President and COOM — Option exercise48.5K$0.77$37KSEC
Tom PennyPrincipal Accounting OfficerS — Open-market sale65.0K$2.95$192KSEC
Tom PennyPrincipal Accounting OfficerM — Option exercise65.0K$0.79$51KSEC
Zedelmayer ChristineSr. Vice President and COOS — Open-market sale30.2K$2.98$90KSEC
Zedelmayer ChristineSr. Vice President and COOM — Option exercise9.8K$0.77$8KSEC
Zedelmayer ChristineSr. Vice President and COOS — Open-market sale9.8K$2.70$27KSEC

All transactions sourced from SEC EDGAR Form 4 filings for Equillium, Inc. (EQ). Updated in real time as new filings are submitted to the SEC.

Most-Active EQ Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Zedelmayer Christine17$395K
Tom Penny3$243K
Connelly Stephen2$724K
Troupin Barbara1—
DEMSKI MARTHA J1—

Recent EQ Form 8-K Material Events

Recent EQ Form 144 Notices of Proposed Sale

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in EQ insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

EQ Insider Trading — FAQ

What is the latest insider trade for EQ?
Equillium, Inc. (EQ) had 9 insider filings in the last 90 days, with the most recent on 2026-06-05. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying EQ stock?
0 insider purchases of EQ were filed in the last 90 days.
How many insiders are selling EQ stock?
0 insider sales of EQ were filed in the last 90 days.
Where can I see EQ SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every EQ SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live EQ dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.