ACCO Brands (ACCO) discloses 2,139.1 RSU grant to board director

Rhea-AI Filing Summary

ACCO Brands Corp reported an equity award to director Joseph B. Burton. On 12/10/2025, he received 2,139.1 restricted stock units (RSUs) under the company’s incentive plan at an exercise price of $0. Each RSU represents one share of ACCO Brands common stock, deliverable upon the earlier of his death or disability, or when he stops serving on the Board of Directors. The RSUs either vest immediately or on the one-year anniversary of the grant date and have been deferred under the company’s Deferred Compensation Plan for Non-Employee Directors. After this grant, Burton beneficially owns 107,951.39 derivative securities in the form of RSUs, held directly.

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

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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^*

BURTON JOSEPH B

(Last) (First) (Middle)

C/O ACCO BRANDS CORPORATION

(Street)

LAKE ZURICH IL 60047

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ACCO BRANDS Corp [ ACCO ]

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)
12/10/2025

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
Restricted Stock Units	$0	12/10/2025		A		2,139.1		(1)	(1)	Common Stock	2,139.1	$0	107,951.39	D

Explanation of Responses:

1. 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.

	/s/ Kathryn D. Ingraham, attorney-in-fact for Joseph B. Burton	12/11/2025
	** 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.
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FAQ

What did ACCO (ACCO) disclose in this Form 4 filing?

The filing reports that director Joseph B. Burton received 2,139.1 restricted stock units (RSUs) of ACCO Brands Corp common stock on 12/10/2025.

How many ACCO Brands RSUs were granted to director Joseph B. Burton?

Joseph B. Burton was granted 2,139.1 RSUs, each representing the right to receive one share of ACCO Brands common stock.

When do Joseph B. Burton’s ACCO RSUs vest and pay out?

The RSUs either vest immediately or on the one-year anniversary of the grant date and are payable upon the earlier of Burton’s death, disability, or cessation of service as a Board member.

Are the ACCO RSUs for Joseph B. Burton deferred in any plan?

Yes. The RSUs have been deferred under ACCO Brands’ Deferred Compensation Plan for Non-Employee Directors.

How many derivative securities does Joseph B. Burton own after this ACCO RSU grant?

Following the reported transaction, Joseph B. Burton beneficially owns 107,951.39 derivative securities, consisting of RSUs linked to ACCO Brands common stock.

What is Joseph B. Burton’s relationship to ACCO Brands Corp?

Joseph B. Burton is reported as a director of ACCO Brands Corp, and the Form 4 is filed for one reporting person.