Insider sells 229,739 EQ shares for $377,658

Christine Zedelmayer reported sales of common stock under Rule 144.

Rhea-AI Filing Summary

Christine Zedelmayer reported sales of common stock under Rule 144. The filing lists four transactions dated 11/25/2025, 12/12/2025, 12/15/2025, and 02/19/2026 totaling 229,739 shares sold for aggregate proceeds of $377,658.

The transactions are reported on Form 144 and reflect dispositions from stock option-related and employee plan holdings referenced in the securities table.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Christine Zedelmayer report in the Form 144 for EQ?

She reported four sales of common stock on Form 144 dated 11/25/2025, 12/12/2025, 12/15/2025, and 02/19/2026. The transactions total 229,739 shares for aggregate proceeds of $377,658, as shown in the filing excerpt.

How many shares and proceeds are shown in the EQ Form 144 excerpt?

The excerpt lists sales totaling 229,739 shares and proceeds of $377,658. Individual sale dates and amounts appear in the filing: 8,098; 23,804; 11,900; and 185,937 shares on the listed dates.

Do the EQ transactions come from stock plans or options?

Yes; the securities table in the excerpt shows related instruments including Stock Options and Employee Stock Purchase Plan entries with issuance dates, indicating disposals linked to option and plan holdings reported in the filing.

Does this Form 144 indicate rule or compliance conditions for EQ sales?

The document is a Form 144 sale notice used for Rule 144 dispositions; the excerpt lists securities and sales dates but does not add extra compliance commentary. The filing format indicates these are reported Rule 144 sales.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/09/2026 - 04:07 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001797818
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Equillium, Inc.
SEC File Number	001-38692
Address of Issuer	2223 AVENIDA DE LA PLAYA SUITE 105 LA JOLLA CALIFORNIA 92037
Phone	(858) 412-5302
Name of Person for Whose Account the Securities are To Be Sold	Zedelmayer Christine
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Maxim Group 300 Park Ave 16th Floor New York NY 10022	181219	320757.00	60893283	03/09/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	04/22/2020	Stock Options	Issuer			152361	03/09/2026	Cash
Common Stock	06/10/2021	Employee Stock Purchase Plan	Issuer			7925	03/09/2026	Cash
Common Stock	06/10/2022	Employee Stock Purchase Plan	Issuer			9033	06/03/2023	Cash
Common Stock	06/09/2023	Employee Stock Purchase Plan	Issuer			11900	03/09/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Christine Zedelmayer 2223 AVENIDA DE LA PLAYA SUITE 105 LA JOLLA CA 92037	Common Stock	11/25/2025	8098	7696.00
Christine Zedelmayer 2223 AVENIDA DE LA PLAYA SUITE 105 LA JOLLA CA 92037	Common Stock	12/12/2025	23804	31897.00
Christine Zedelmayer 2223 AVENIDA DE LA PLAYA SUITE 105 LA JOLLA CA 92037	Common Stock	12/15/2025	11900	15589.00
Christine Zedelmayer 2223 AVENIDA DE LA PLAYA SUITE 105 LA JOLLA CA 92037	Common Stock	02/19/2026	185937	322476.00

144: Remarks and Signature

Remarks
Date of Notice	03/09/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/27/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Dominick Iadicicco, as a duly authorized representative of Maxim Group LLC., as attorney-in-fact for Christine Zedelmayer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)