Elizabeth A. Simermeyer - 10 Dec 2025 Form 4 Insider Report for ACCO BRANDS Corp (ACCO)

Role: Director
Signature: /s/ Kathryn D. Ingraham, attorney-in-fact for Elizabeth A. Simermeyer
Issuer symbol: ACCO
Transactions as of: 10 Dec 2025
Transactions value $: $0
Form type: 4
Filing time: 11 Dec 2025, 12:14:07 UTC
Previous filing: 12 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Simermeyer Elizabeth A	Director	C/O ACCO BRANDS CORP, FOUR CORPORATE DRIVE, LAKE ZURICH	/s/ Kathryn D. Ingraham, attorney-in-fact for Elizabeth A. Simermeyer	11 Dec 2025	0001740096

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ACCO	Restricted Stock Units	Award	$0	+1.49K	+2.02%	$0.00	74.9K	10 Dec 2025	Common Stock	1.49K	$0.00	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan. RSUs are immediately vested or vest on the one year anniversary of the grant date, but in either case, have been deferred under the Issuer's Deferred Compensation Plan for Non-Employee Directors. Each RSU represents the right to receive one share of the Issuer's common stock upon the earlier of the date of the reporting person's death or disability, or cessation of service as a member of the Board of Directors.

Content

Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan. RSUs are immediately vested or vest on the one year anniversary of the grant date, but in either case, have been deferred under the Issuer's Deferred Compensation Plan for Non-Employee Directors. Each RSU represents the right to receive one share of the Issuer's common stock upon the earlier of the date of the reporting person's death or disability, or cessation of service as a member of the Board of Directors.