ACCO director granted 5,494 RSUs in Form 4

ACCO Brands Corp director Robert J. Keller reported receiving 5,494.2 Restricted Stock Units (RSUs) as an acquisition.

Rhea-AI Filing Summary

ACCO Brands Corp director Robert J. Keller reported receiving 5,494.2 Restricted Stock Units (RSUs) as an acquisition. These RSUs were credited under dividend-equivalent provisions tied to his earned and outstanding RSU awards and carry no cash exercise price.

The RSUs were granted under the company’s incentive plan for non-employee directors and are deferred under the deferred compensation plan. Each RSU represents one share of common stock, deliverable upon the earlier of Keller’s death, disability, or when he ceases serving on the board. Following this grant, he holds 222,331.87 units directly, indicating a routine, compensation-related increase in his equity-based position.

Insider Trade Summary

Grant/Award: 5,494.2 shares

Grant/Award 1 txn

Insider Keller Robert J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	5,494.2	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 222,331.87 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 Robert J. Keller report in this Form 4?

Robert J. Keller reported acquiring 5,494.2 Restricted Stock Units. These units were credited as dividend equivalents on his existing RSU awards and granted under ACCO Brands’ incentive plan for non-employee directors, increasing his deferred equity-based compensation position in the company.

How many ACCO (ACCO) Restricted Stock Units does Robert J. Keller hold after this transaction?

After the transaction, Robert J. Keller holds 222,331.87 Restricted Stock Units. This total reflects his direct position in RSUs following the 5,494.2-unit dividend-equivalent grant, providing a sense of scale for the size of this routine compensation-related award.

What do the ACCO (ACCO) RSUs granted to Robert J. Keller represent?

Each Restricted Stock Unit represents the right to receive one share of ACCO Brands common stock. Delivery occurs upon the earlier of Keller’s death, disability, or when he stops serving as a board member, aligning director compensation with long-term shareholder interests over his service period.

Are the ACCO (ACCO) RSUs granted to Robert J. Keller immediately vested?

The RSUs either vest immediately or on the one-year anniversary of the grant date. In both cases, they have been deferred under ACCO Brands’ Deferred Compensation Plan for Non-Employee Directors, meaning actual common shares are delivered only upon specific future separation or hardship events.

Did Robert J. Keller pay cash for the ACCO (ACCO) RSUs reported in this filing?

No cash was paid for these RSUs; the per-unit price is reported as 0.0000. The units were acquired through the company’s compensation arrangements, including dividend-equivalent provisions and its incentive and deferred compensation plans for non-employee directors.

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Accepted by SEC EDGAR 03/27/2026 - 06:01 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^*

Keller Robert J

(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		5,494.2(1)		(2)	(2)	Common Stock	5,494.2	$0	222,331.87	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 Robert J. Keller	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)