ANNX files Rule 144 notice to sell 5,820 shares

ANNX filed a Form 144 notice stating an intended sale of 5,820 common shares under Rule 144 on 02/27/2026 tied to restricted stock vesting.

Rhea-AI Filing Summary

ANNX filed a Form 144 notice stating an intended sale of 5,820 common shares under Rule 144 on 02/27/2026 tied to restricted stock vesting. The filing also records a prior sale of 5,290 shares on 02/18/2026 by Jamie Dananberg.

Insights

Securities Counsel

Rule 144 notice for restricted shares; procedural disclosure rather than a market-moving event.

The filing lists an intended sale of 5,820 common shares on 02/27/2026, described as resulting from restricted stock vesting. It also records a sale of 5,290 shares on 02/18/2026.

These notices typically satisfy procedural reporting under resale conditions; cash-flow treatment and buyer identity are not provided in the excerpt. Subsequent filings or transaction reports may disclose completion details.

FAQ

What does ANNX's Form 144 disclose?

It discloses an intended sale of 5,820 common shares under Rule 144 tied to restricted stock vesting on 02/27/2026. It also records a prior sale of 5,290 shares on 02/18/2026 by Jamie Dananberg.

Who reported the prior sale shown in the ANNX excerpt?

The prior sale of 5,290 common shares on 02/18/2026 is attributed to Jamie Dananberg. The excerpt lists his address and the transaction date but does not specify proceeds or purchaser identity.

Are the shares being sold by ANNX or by an insider?

The intended sale of 5,820 shares is tied to restricted stock vesting and is presented as an issuer-related transaction on 02/27/2026. The excerpt does not specify purchaser identity or net proceeds in this notice.

Does the Form 144 indicate proceeds or buyers for ANNX sales?

No; the provided excerpt lists share counts and dates but does not state sale proceeds or buyer identities. The notice focuses on the number of shares and the vesting-related disposition date.

What should investors know about Rule 144 notices for ANNX?

A Rule 144 notice like this signals a planned resale of restricted shares: here, 5,820 shares tied to vesting. Such filings are procedural disclosures and do not by themselves confirm execution, price, or market impact.

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

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Accepted by SEC EDGAR 03/02/2026 - 04:05 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	0001734424
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	Dananberg Jamie
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	5820	31579.32	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			5820	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
Jamie Dananberg 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/ Joshua Schmitt, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jamie Dananberg.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)