ANNX Form 144: 5,894 Shares Listed for Sale

ANNX reports a Rule 144 notice listing 5,894 common shares to be sold by the holder and 5,290 shares sold in the past three months.

Rhea-AI Filing Summary

ANNX reports a Rule 144 notice listing 5,894 common shares to be sold by the holder and 5,290 shares sold in the past three months. The filing names Fidelity Brokerage Services LLC as the broker/holder and shows the transaction type as Restricted Stock Vesting with the action labeled Compensation.

Insights

Equity Markets Analyst

Rule 144 filing shows small-volume resale activity tied to vested restricted shares.

The filing lists 5,894 common shares described under "Securities To Be Sold" and records 5,290 common shares sold during the past three months, with the method labeled as Compensation.

These volumes are modest relative to typical public floats; the filing documents holder and broker details but does not state proceeds, prices, or timing beyond the provided dates.

Corporate Governance Specialist

Transaction appears to be routine disposition of vested compensation shares rather than a negotiated block sale.

The entry notes the security type as Common and the source as Restricted Stock Vesting, indicating shares arose from compensation vesting. The broker listed is Fidelity Brokerage Services LLC.

Because the filing records past sales of 5,290 shares and upcoming sales of 5,894, subsequent filings or a Form 4/5 could provide further ownership changes or price details.

FAQ

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

What does ANNX's Form 144 disclose about upcoming share sales?

The filing discloses 5,894 common shares listed under "Securities To Be Sold." It ties the shares to Restricted Stock Vesting and labels the reason as Compensation, with broker details provided.

How many ANNX shares were sold in the past three months according to the filing?

The filing reports 5,290 common shares were sold during the past three months. The entry includes the seller's address and a transaction date of 02/18/2026 for that sale.

Who is listed as the broker or holder in the Form 144 for ANNX?

The filing lists Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI as the broker/holder associated with the disclosed securities on the form.

Are the ANNX shares linked to compensation or another source?

Yes; the filing explicitly labels the source as Restricted Stock Vesting and classifies the transaction purpose as Compensation, indicating the shares originated from a vesting event.

Does the Form 144 provide sale prices or proceeds for ANNX transactions?

The excerpt does not provide sale prices or aggregate proceeds. It lists share counts and dates but does not state transaction prices or cash amounts in the provided text.

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

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Accepted by SEC EDGAR 03/02/2026 - 04:41 PM EST 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	0001958523
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	Annexon, Inc.
SEC File Number	001-39402
Address of Issuer	1400 SIERRA POINT PARKWAY BLDG C, SUITE 200 BRISBANE CALIFORNIA 94005
Phone	(650) 822-5500
Name of Person for Whose Account the Securities are To Be Sold	ARTIS DEAN RICHARD
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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	5894	31979.67	119632804	03/02/2026	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	02/27/2026	Restricted Stock Vesting	Issuer			5894	02/27/2026	Compensation

* 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
Dean R. Artis 1400 Sierra Point Parkway Bldg C, Suite 200 Brisbane CA 94005	Common	02/18/2026	5290	26989.58

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	03/02/2026
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/ Jessica Spraker, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Dean R. Artis.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)