ANNX Form 144: Notice for 5,565 common shares

ANNX submitted a Form 144 notice relating to 5,565 common shares associated with Fidelity Brokerage Services LLC, with a record row showing 03/02/2026 and NASDAQ.

Rhea-AI Filing Summary

ANNX submitted a Form 144 notice relating to 5,565 common shares associated with Fidelity Brokerage Services LLC, with a record row showing 03/02/2026 and NASDAQ.

The filing also lists a restricted stock vesting event dated 02/27/2026 tied to 5,565 shares (labeled "Compensation"), and a prior sale by Jennifer Lew of 7,851 common shares on 02/18/2026 with an adjacent figure of 40119.40.

FAQ

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

What does ANNX's Form 144 show about shares to be sold?

The Form 144 shows 5,565 common shares associated with Fidelity Brokerage Services LLC. The filing row ties that figure to 03/02/2026 and lists the market as NASDAQ, indicating a notice of proposed sale for those shares.

Was there a recent restricted stock vesting noted in the ANNX filing?

Yes — the filing records a restricted stock vesting dated 02/27/2026 for 5,565 shares. That vesting entry is labeled "Compensation" and is shown under the securities-to-be-sold section with the same 5,565 quantity.

What prior sales are disclosed in the Form 144 excerpt for ANNX?

The excerpt shows Jennifer Lew sold 7,851 common shares on 02/18/2026. The line lists an adjacent numeric value of 40119.40 alongside the sale row in the "Securities Sold During The Past 3 Months" section.

Who is the broker or intermediary listed in the ANNX Form 144?

Fidelity Brokerage Services LLC is listed, with an address at 900 Salem Street, Smithfield, RI. That broker line appears next to the 5,565-share row in the filing excerpt and is associated with the NASDAQ market.

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

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Accepted by SEC EDGAR 03/02/2026 - 04:02 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	0001465994
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	Lew Jennifer
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	5565	30178.44	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			5565	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
Jennifer Lew 1400 Sierra Point Parkway Bldg C, Suite 200 Brisbane CA 94005	Common	02/18/2026	7851	40119.40

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/ Eric Janiak, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jennifer Lew
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)