Martha J. Demski - 28 May 2026 Form 4 Insider Report for Equillium, Inc. (EQ)

Reporting relationship: Director
Issuer ticker: EQ
Reported as of: 28 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 May 2026, 18:27:09 UTC
Prior SEC filing: 01 Jul 2025
Next SEC filing: 02 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Daniel M. Bradbury, Attorney-in-Fact

Key filing fact

Martha J. Demski filed Form 4 for Equillium, Inc. (EQ) on 29 May 2026.

Key facts

This page summarizes Martha J. Demski's Form 4 filing for Equillium, Inc. (EQ).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 29 May 2026, 18:27.

Change

Previous filing in this sequence was filed on 01 Jul 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001198230 Primary reporting owner

DEMSKI MARTHA J

Relationship: Director
Address: 2223 AVENIDA DE LA PLAYA, SUITE 105, LA JOLLA
Signature: /s/ Daniel M. Bradbury, Attorney-in-Fact
Signature date: 29 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

EQ transaction Derivative

Director Stock Option (right to buy)

Award

Transaction value
Shares: +70,000
Change %
Price: $0.000000^*
Shares after: 70,000
Date: 28 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 70,000
Exercise price: $2.84
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The option vests in twelve equal monthly installments commencing on the grant date of May 28, 2026, provided that the option will, in any case, be fully vested on the date of the Issuer's annual meeting of stockholders following the grant date.