ACCO Brands director receives 5,544 RSU grant

RAJKOWSKI E MARK reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

RAJKOWSKI E MARK reported acquisition or exercise transactions in this Form 4 filing.

ACCO Brands Corp director E. Mark Rajkowski received a grant of 5,544.3 Restricted Stock Units (RSUs). These RSUs were awarded at no cash cost and each unit represents one share of common stock. Following this grant, Rajkowski directly holds 295,323.8 derivative-linked shares. The RSUs vest immediately or after one year and are deferred under the company’s non-employee director deferred compensation plan, to be settled in stock upon death, disability, or when board service ends.

Insider Trade Summary

Grant/Award: 5,544.3 shares

Grant/Award 1 txn

Insider RAJKOWSKI E MARK

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	5,544.3	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 295,323.8 contracts (Direct)

Footnotes (1)

1. 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.

Key Figures

RSUs granted: 5,544.3 units Grant price: $0.00 per unit Holdings after grant: 295,323.8 shares

3 metrics

RSUs granted 5,544.3 units Restricted Stock Units granted to director on 2026-06-17

Grant price $0.00 per unit RSU grant under Incentive Plan

Holdings after grant 295,323.8 shares Total derivative-linked shares following transaction

Key Terms

Restricted Stock Units, Incentive Plan, Deferred Compensation Plan for Non-Employee Directors, cessation of service

4 terms

Restricted Stock Units financial

"Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Incentive Plan financial

"RSUs granted under the Issuer's Incentive Plan."

Deferred Compensation Plan for Non-Employee Directors financial

"have been deferred under the Issuer's Deferred Compensation Plan for Non-Employee Directors."

cessation of service financial

"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

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did ACCO (ACCO) director E. Mark Rajkowski report on this Form 4?

E. Mark Rajkowski reported receiving 5,544.3 Restricted Stock Units as a grant. The award was made at a price of $0.00 per unit and is part of his compensation as a non-employee director under ACCO Brands’ incentive and deferred compensation plans.

How many ACCO (ACCO) RSUs did the director receive and what do they represent?

The director received 5,544.3 Restricted Stock Units, each linked to one share of common stock. These RSUs entitle him to receive equivalent common shares upon death, disability, or when his service on ACCO Brands’ Board of Directors ends, subject to the plan’s vesting terms.

What is the vesting schedule for the ACCO (ACCO) RSUs granted to the director?

The RSUs either vest immediately or on the one-year anniversary of the grant date, as described in the plan. Regardless of vesting, settlement in ACCO Brands common stock is deferred until the earlier of death, disability, or cessation of service as a board member.

Did the ACCO (ACCO) director pay anything for the 5,544.3 RSU grant?

No, the 5,544.3 Restricted Stock Units were granted at a price of $0.00 per unit. This indicates they are a non-cash equity compensation award provided under ACCO Brands’ Incentive Plan and Deferred Compensation Plan for non-employee directors.

What are the director’s ACCO (ACCO) holdings after this RSU transaction?

After the RSU grant, the director is reported as directly holding 295,323.8 derivative-linked shares. This figure reflects his total position associated with the reported derivative securities after the acquisition of 5,544.3 new Restricted Stock Units.

When will the ACCO (ACCO) RSUs convert into common stock for the director?

Each RSU will convert into one ACCO Brands common share upon the earlier of the director’s death, disability, or when he stops serving on the Board. This timing follows the company’s Deferred Compensation Plan for Non-Employee Directors governing RSU settlement.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/18/2026 - 01:28 PM EDT 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^*

RAJKOWSKI E MARK

(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)
06/17/2026

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	06/17/2026		A		5,544.3		(1)	(1)	Common Stock	5,544.3	$0	295,323.8	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	06/18/2026
	** 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)