[144] Annexon, Inc. SEC Filing

Rhea-AI Filing Summary

Annexon, Inc. (ANNX) has filed a Form 144 indicating the planned sale of 1,117 common shares through Fidelity Brokerage Services on 14 July 2025. The shares, valued at an aggregate $2,880.97, were acquired via restricted-stock vesting on 11 July 2025 as compensation. Outstanding shares total 109,714,404; therefore, the proposed sale represents roughly 0.001% of shares outstanding, a de-minimis amount that will not affect float or control. No other sales have occurred in the past three months, and the filer affirms no undisclosed material adverse information.

Insights

Securities Analyst

TL;DR – Minor insider sale; immaterial to Annexon’s capital structure.

The Form 144 covers the intended disposition of just 1,117 shares—worth under $3,000—versus a 109.7 million-share base. Such a tiny transaction neither signals meaningful insider sentiment nor alters supply–demand dynamics. With no accompanying operational data or financial update, market impact should be negligible. The filing is therefore mainly a procedural disclosure rather than a catalyst.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	1117	2880.97	109714404	07/14/2025	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	07/11/2025	Restricted Stock Vesting	Issuer			1117	07/11/2025	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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Annexon (ANNX) shares are being registered for sale?

The Form 144 covers 1,117 common shares.

What is the aggregate market value of the shares in Annexon’s Form 144?

The shares are valued at approximately $2,880.97.

When is the proposed sale date for the 1,117 ANNX shares?

The approximate sale date disclosed is July 14, 2025.

How were the ANNX shares acquired prior to this Form 144 filing?

They were obtained via restricted-stock vesting on July 11, 2025 as compensation.

What percentage of Annexon’s shares outstanding does the sale represent?

About 0.001% of the 109,714,404 shares outstanding.