Adverum Director Receives 10,450 Stock Options in Annual Compensation Grant

Adverum Biotechnologies (ADVM) reported a Form 4 filing disclosing insider trading activity by Director Reed Vaughn Tuckson on June 17, 2025.

Rhea-AI Filing Summary

Adverum Biotechnologies (ADVM) reported a Form 4 filing disclosing insider trading activity by Director Reed Vaughn Tuckson on June 17, 2025. The transaction involved the acquisition of derivative securities in the form of stock options.

Key transaction details:

• Acquired 10,450 stock options to purchase common stock
• Exercise price set at $2.32 per share
• Options expire on June 16, 2035
• Vesting occurs on the earlier of June 17, 2026 or the 2026 annual meeting

The stock options include provisions for accelerated vesting upon a change of control, contingent upon the director's continued service with the company. This grant appears to be part of the company's director compensation program.

Insider Trade Summary

Grant/Award: 10,450 shares

Grant/Award 1 txn

Insider Tuckson Reed Vaughn

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	10,450	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 10,450 contracts (Direct)

Footnotes (1)

1. F1. The shares subject to the option will vest and become exercisable on the earlier of June 17, 2026 or the 2026 annual meeting of stockholders, subject to (1) accelerated vesting upon a change of control and (2) the Reporting Person's continued service with the Issuer on the vesting date.

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Accepted by SEC EDGAR 06/20/2025 - 04:24 PM 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^*

Tuckson Reed Vaughn

(Last) (First) (Middle)

C/O ADVERUM BIOTECHNOLOGIES, INC.

100 CARDINAL WAY

(Street)

REDWOOD CITY CA 94063

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Adverum Biotechnologies, Inc. [ ADVM ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
06/17/2025

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

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)	$2.32	06/17/2025		A		10,450		(1)	06/16/2035	Common Stock	10,450	$0	10,450	D

Explanation of Responses:

1. The shares subject to the option will vest and become exercisable on the earlier of June 17, 2026 or the 2026 annual meeting of stockholders, subject to (1) accelerated vesting upon a change of control and (2) the Reporting Person's continued service with the Issuer on the vesting date.

	/s/ Aneta Fergson, Attorney-in-Fact	06/20/2025
	** 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.