Annexon (ANNX) CFO receives 250,000 options and 62,500 RSUs in equity grant

Rhea-AI Filing Summary

Annexon, Inc. reported that EVP and Chief Financial Officer Jennifer Lew received equity awards on February 19, 2026. She was granted a stock option for 250,000 shares of common stock at an exercise price of $0.00 per share, vesting in equal monthly installments over four years starting from February 19, 2026. She also received 62,500 shares of common stock in the form of restricted stock units, each RSU representing one share upon vesting. One-third of these RSUs vest on February 19 of each year, with the first third vesting on February 19, 2027, subject to her continued service with the company.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Lew Jennifer

Role EVP & CHIEF FINANCIAL OFFICER

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	250,000	$0.00	--
Grant/Award	Common Stock	62,500	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 250,000 shares (Direct); Common Stock — 176,265 shares (Direct)

Footnotes (1)

1. Constitute restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. 1/3rd of the RSUs vest annually on February 19 of each year, with the first 1/3rd vesting on February 19, 2027, subject to Reporting Person's continuous service with the Issuer as of each such vesting date. 1/48th of the shares subject to the option vest on each monthly anniversary measured from February 19, 2026 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to Reporting Person's continuous service with the Issuer as of each such vesting date.

Form 4 Insider Transactions: What Each Field Means →

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)
02/19/2026

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	02/19/2026		A		62,500(1)	A	$0	176,265	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
Stock Option (Right to Buy)	$5.1	02/19/2026		A		250,000		(2)	02/19/2036	Common Stock	250,000	$0	250,000	D

Explanation of Responses:

1. Constitute restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. 1/3rd of the RSUs vest annually on February 19 of each year, with the first 1/3rd vesting on February 19, 2027, subject to Reporting Person's continuous service with the Issuer as of each such vesting date.

2. 1/48th of the shares subject to the option vest on each monthly anniversary measured from February 19, 2026 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date, subject to Reporting Person's continuous service with the Issuer as of each such vesting date.

	/s/ Jennifer Lew	02/23/2026
	** 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.

FAQ

What insider transactions did Annexon (ANNX) report for Jennifer Lew?

Annexon reported that EVP and CFO Jennifer Lew received two equity grants: a stock option for 250,000 shares and 62,500 restricted stock units. Both awards were granted on February 19, 2026 as part of her compensation.

How many stock options did the Annexon (ANNX) CFO receive in this Form 4?

The CFO received a stock option covering 250,000 shares of Annexon common stock. The option vests in 1/48th increments monthly, starting from February 19, 2026, becoming fully vested on the fourth anniversary, subject to continued service.

What are the terms of the restricted stock units granted to Annexon (ANNX) CFO?

Jennifer Lew was granted 62,500 RSUs, each convertible into one share of common stock upon vesting. One-third of the RSUs vest on February 19 each year, beginning February 19, 2027, contingent on her remaining in continuous service.

What vesting schedule applies to the Annexon (ANNX) CFO’s stock options?

The stock option vests in 1/48th increments on each monthly anniversary of February 19, 2026. All 250,000 shares under the option become fully vested and exercisable on the fourth anniversary, if her service with Annexon continues.

Did the Annexon (ANNX) CFO buy or sell shares in the open market?

The Form 4 shows grant/award acquisitions only, not open-market trades. Jennifer Lew received a stock option and RSUs at a stated price of $0.00 per share, reflecting compensatory equity awards rather than market purchases or sales.

How many Annexon (ANNX) shares does the CFO hold after these awards?

Following the restricted stock unit grant, Jennifer Lew held 176,265 shares of Annexon common stock directly. This figure reflects her ownership after the 62,500-share RSU award reported in the Form 4 filing on February 19, 2026.