ACCO director receives additional RSU award

ACCO BRANDS Corp director Joseph B. Burton received a grant of 2,735.3000 Restricted Stock Units tied to common stock.

Rhea-AI Filing Summary

ACCO BRANDS Corp director Joseph B. Burton received a grant of 2,735.3000 Restricted Stock Units tied to common stock. These RSUs were acquired under dividend equivalent provisions attached to his earned and outstanding RSU awards and increase his direct holdings to 110,686.6900 derivative-based units.

The RSUs were granted under the company’s Incentive Plan and have been deferred under the Deferred Compensation Plan for Non-Employee Directors. They either vest immediately or on the one-year anniversary of the grant date and convert into common shares upon the earlier of his death or disability, or when he leaves the Board.

Insider Trade Summary

Grant/Award: 2,735.3 shares

Grant/Award 1 txn

Insider BURTON JOSEPH B

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	2,735.3	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 110,686.69 contracts (Direct)

Footnotes (2)

1. F1. Represents Restricted Stock Units (RSUs) acquired pursuant to the dividend equivalent provisions of the Reporting Person's earned and outstanding RSU awards.
2. F2. 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.

FAQ

What did ACCO (ACCO) director Joseph B. Burton report on this Form 4?

Joseph B. Burton reported receiving 2,735.3000 Restricted Stock Units linked to ACCO common stock. These units arise from dividend equivalent provisions on his existing RSU awards, increasing his deferred equity-based position as a non-employee director under the company’s incentive and deferred compensation plans.

How many ACCO (ACCO) Restricted Stock Units does Joseph B. Burton hold after this transaction?

After the reported grant, Joseph B. Burton holds a total of 110,686.6900 Restricted Stock Units. These RSUs represent deferred rights to receive ACCO common shares in the future, rather than current stock ownership, under the company’s director compensation and deferral arrangements.

What is the nature of the RSUs granted to ACCO (ACCO) director Joseph B. Burton?

The RSUs represent deferred stock units granted under ACCO’s Incentive Plan and Deferred Compensation Plan for Non-Employee Directors. Each RSU entitles him to one share of common stock upon death, disability, or when his service on the Board of Directors ends, according to the plan terms.

How were the new ACCO (ACCO) RSUs to Joseph B. Burton generated?

The 2,735.3000 RSUs were acquired under dividend equivalent provisions tied to Burton’s earned and outstanding RSU awards. Instead of receiving cash dividends, the value is credited as additional RSUs, compounding his deferred equity-based compensation as a non-employee director.

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

The RSUs either vest immediately or on the one-year anniversary of the grant date, as specified in ACCO’s plans. However, shares of common stock are only delivered upon the earlier of Burton’s death or disability, or when he ceases serving on the Board of Directors.

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Accepted by SEC EDGAR 03/27/2026 - 05:55 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^*

BURTON JOSEPH B

(Last) (First) (Middle)

C/O ACCO BRANDS CORPORATION

(Street)

LAKE ZURICH ILLINOIS 60047

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/26/2026

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
Restricted Stock Units	$0	03/26/2026		A		2,735.3(1)		(2)	(2)	Common Stock	2,735.3	$0	110,686.69	D

Explanation of Responses:

1. Represents Restricted Stock Units (RSUs) acquired pursuant to the dividend equivalent provisions of the Reporting Person's earned and outstanding RSU awards.

2. 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	03/27/2026
	** 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)