Annexon director receives 65,000 stock options

Annexon, Inc. director William A. Jones Jr. received a grant of stock options covering 65,000 shares of common stock.

Rhea-AI Filing Summary

Annexon, Inc. director William A. Jones Jr. received a grant of stock options covering 65,000 shares of common stock. The options have an exercise price of $4.70 per share and expire on June 11, 2036.

The underlying shares vest and become exercisable in full on the earlier of the first anniversary of June 11, 2026 or the next Annual Meeting following that date, subject to his continuous service as a director until vesting.

Insights

Equity Compensation Analyst

Routine director stock option grant with time-based vesting.

The filing shows Annexon granted director William A. Jones Jr. 65,000 stock options at an exercise price of $4.70 per share, expiring on June 11, 2036. This is compensation-related, not an open‑market trade.

The options vest 100% on the earlier of the first anniversary of June 11, 2026 or the next Annual Meeting after that date, if he remains a director. As a single award with time-based vesting, it represents standard governance practice rather than a directional bet on the stock.

Insider Trade Summary

Grant/Award: 65,000 shares

Grant/Award 1 txn

Insider JONES WILLIAM A JR

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	65,000	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 65,000 contracts (Direct)

Footnotes (1)

1. F1. The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of (i) the first anniversary of June 11, 2026 or (ii) the next Annual Meeting following June 11, 2026, subject to Reporting Person's continuous service as a director until such vesting date.

Key Figures

Option grant size: 65,000 options Exercise price: $4.70 per share Expiration date: June 11, 2036 +2 more

5 metrics

Option grant size 65,000 options Stock Option (Right to Buy) granted to director

Exercise price $4.70 per share Exercise price of stock option award

Expiration date June 11, 2036 Option expiration for the director grant

Underlying shares 65,000 shares Common stock underlying the stock options

Vesting trigger date reference June 11, 2026 Earlier of first anniversary or next Annual Meeting

Key Terms

Stock Option (Right to Buy), Common Stock, vest and become exercisable, Annual Meeting

4 terms

Stock Option (Right to Buy) financial

"security_title: "Stock Option (Right to Buy)""

Common Stock financial

"underlying_security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

vest and become exercisable financial

"The underlying shares subject to the option vest and become exercisable"

Annual Meeting financial

"the next Annual Meeting following June 11, 2026"

A company's annual meeting is a yearly gathering where owners (shareholders) and the board review performance, ask questions, and vote on key matters like electing directors, approving auditor choices, and sometimes setting pay or dividend policies. For investors it matters because decisions made and votes cast can change who runs the company, influence strategy and payouts, and affect the value or direction of their investment—similar to a homeowners’ meeting where rules and leaders that shape your property’s value are decided.

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

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Accepted by SEC EDGAR 06/15/2026 - 04:15 PM EDT 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^*

JONES WILLIAM A JR

(Last) (First) (Middle)

C/O ANNEXON, INC.

1400 SIERRA POINT PKWY, BLDG C, STE 200

(Street)

BRISBANE CALIFORNIA 94005

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026

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

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

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

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

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)	$4.7	06/11/2026		A		65,000		(1)	06/11/2036	Common Stock	65,000	$0	65,000	D

Explanation of Responses:

1. The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of (i) the first anniversary of June 11, 2026 or (ii) the next Annual Meeting following June 11, 2026, subject to Reporting Person's continuous service as a director until such vesting date.

	/s/ Jennifer Lew, Attorney-in-Fact	06/15/2026
	** 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.
* Form 4: SEC 1474 (03-26)