Annexon CFO sells 7,851 shares for tax withholding

Annexon, Inc. Executive Vice President and Chief Financial Officer Jennifer Lew reported an open-market sale of 7,851 shares of common stock at a weighted average price of $5.11 per share.

Rhea-AI Filing Summary

Annexon, Inc. Executive Vice President and Chief Financial Officer Jennifer Lew reported an open-market sale of 7,851 shares of common stock at a weighted average price of $5.11 per share. According to the disclosure, the shares were sold to cover tax withholding obligations tied to vesting restricted stock units. After this transaction, she directly holds 113,765 shares of Annexon common stock.

Insider Trade Summary

Net Seller: 7,851 shares

Net Sell 1 txn

Insider Lew Jennifer

Role EVP & CHIEF FINANCIAL OFFICER

Sold 7,851 shs ($40K)

Type	Security	Shares	Price	Value
Sale	Common Stock	7,851	$5.11	$40K

Holdings After Transaction: Common Stock — 113,765 shares (Direct)

Footnotes (2)

1. F1. The shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs").
2. F2. This transaction was executed in multiple trades in prices ranging from $4.925 to $5.17, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

FAQ

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What insider transaction did Annexon (ANNX) CFO Jennifer Lew report?

Annexon CFO Jennifer Lew reported selling 7,851 shares of common stock. The transaction was an open-market sale primarily to cover tax withholding obligations arising from the vesting of restricted stock units, as described in the accompanying footnote.

At what price did Annexon (ANNX) CFO Jennifer Lew sell her shares?

The reported weighted average sale price was $5.11 per share. The transaction occurred through multiple trades in a price range from $4.925 to $5.17, with the weighted average figure disclosed in the Form 4 filing.

How many Annexon (ANNX) shares does CFO Jennifer Lew hold after the sale?

After the reported sale, Jennifer Lew directly holds 113,765 shares of Annexon common stock. This figure reflects her remaining direct ownership following the 7,851-share transaction executed to satisfy related tax withholding requirements.

Why did Annexon (ANNX) CFO Jennifer Lew sell 7,851 shares?

The shares were sold to cover tax withholding obligations related to the vesting of restricted stock units. This type of transaction is commonly used to satisfy required tax payments when equity awards convert into vested shares.

How was the Annexon (ANNX) CFO share sale in the Form 4 executed?

The sale was executed in multiple trades between $4.925 and $5.17 per share. The filing reports a weighted average sale price of $5.11 and notes that detailed trade information is available upon request to relevant parties.

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

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Accepted by SEC EDGAR 02/20/2026 - 04:30 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lew Jennifer

(Last) (First) (Middle)

C/O ANNEXON, INC

1400 SIERRA POINT PKWY, BLDG C, STE 200

(Street)

BRISBANE CA 94005

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Annexon, Inc. [ ANNX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & CHIEF FINANCIAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
02/18/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/18/2026		S(1)		7,851	D	$5.11(2)	113,765	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs").

2. This transaction was executed in multiple trades in prices ranging from $4.925 to $5.17, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

	/s/ Jennifer Lew	02/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.