ACCO Brands (ACCO) director reports 4,966.1 restricted stock unit grant

Rhea-AI Filing Summary

ACCO Brands Corp director E. Mark Rajkowski reported a new equity award on Form 4. On 12/10/2025, he received 4,966.1 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.

The RSUs either vest immediately or on the one-year anniversary of the grant date and have been deferred under ACCO’s Deferred Compensation Plan for Non-Employee Directors. The shares will be delivered upon the earlier of his death, disability, or when he leaves the Board of Directors. Following this grant, he beneficially owns 250,620.3 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

OMB Number:			3235-0287
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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^*

RAJKOWSKI E MARK

(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		4,966.1		(1)	(1)	Common Stock	4,966.1	$0	250,620.3	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 E. Mark Rajkowski	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.
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.

FAQ

What insider transaction did ACCO (ACCO) disclose in this Form 4?

The filing shows that director E. Mark Rajkowski received 4,966.1 restricted stock units (RSUs) of ACCO Brands common stock on 12/10/2025 under the company’s incentive plan.

How many ACCO Brands RSUs does the reporting person now beneficially own?

After the reported transaction, the director beneficially owns 250,620.3 derivative securities, all in the form of restricted stock units tied to ACCO Brands common stock.

When do the newly granted ACCO (ACCO) RSUs vest and pay out?

The RSUs either vest immediately or on the one-year anniversary of the grant date. Delivery of shares occurs upon the earlier of the director’s death, disability, or cessation of service on the Board.

What does each ACCO Brands RSU represent in this Form 4?

Each restricted stock unit reported in the filing represents the right to receive one share of ACCO Brands common stock at the time specified by the company’s deferred compensation and vesting rules.

Under which plans were the ACCO (ACCO) RSUs granted and deferred?

The RSUs were granted under ACCO Brands’ Incentive Plan and have been deferred under the company’s Deferred Compensation Plan for Non-Employee Directors.

Is there any cash exercise price for the ACCO Brands RSUs reported?

No cash payment is required; the filing lists the conversion or exercise price as $0 for these restricted stock units.