Peter Soparkar - 05 Dec 2025 Form 4 Insider Report for Adverum Biotechnologies, Inc. (ADVM)

Role: CHIEF OPERATING OFFICER
Signature: /s/ Aneta Fergson, Attorney-in-Fact
Issuer symbol: ADVM
Transactions as of: 05 Dec 2025
Transactions value $: $211,000
Form type: 4
Filing time: 08 Dec 2025, 21:45:04 UTC
Previous filing: 20 Jun 2025
Next filing: 10 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Soparkar Peter	CHIEF OPERATING OFFICER	C/O ADVERUM BIOTECHNOLOGIES, INC., 100 CARDINAL WAY, REDWOOD CITY	/s/ Aneta Fergson, Attorney-in-Fact	08 Dec 2025	0001736315

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ADVM	Common Stock	Purchase	$211K	+50K	+165.62%	$4.22	80.2K	05 Dec 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Price reported is a weighted-average purchase price. The shares were purchased at prices ranging from $4.18 to $4.24. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares purchased at each separate price.
F2	Includes 600 shares purchased on May 21, 2025, and 600 shares purchased on November 20, 2025, pursuant to the Issuer's 2014 Employee Stock Purchase Plan, as amended and restated.