[Form 4] ACCO BRANDS Corp Insider Trading Activity

Rhea-AI Filing Summary

Rajkowski E. Mark, a director of ACCO BRANDS Corp (ACCO), reported acquiring 4,554.8 Restricted Stock Units (RSUs) on 09/10/2025. The filing shows these RSUs were received as dividend equivalents tied to his earned and outstanding RSU awards and are granted under the issuer's Incentive Plan. The RSUs have been deferred under the Issuer's Deferred Compensation Plan for Non-Employee Directors and represent the right to receive one share per RSU upon the earlier of the reporting person’s death or disability, or cessation of Board service. After the reported transaction, the reporting person beneficially owns 245,654.2 shares of common stock on a direct basis.

Positive

• Clear disclosure of director compensation in the form of 4,554.8 RSUs dated 09/10/2025
• Post-transaction beneficial ownership is specified as 245,654.2 shares, providing transparency
• RSUs deferred under the Deferred Compensation Plan, indicating alignment with long-term retention practices

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine director compensation recorded as RSU accrual; increases director's constructive stake without immediate cash change.

The Form 4 documents a non-derivative acquisition of 4,554.8 RSUs dated 09/10/2025, credited as dividend equivalents under existing RSU awards. These units are granted under the company’s Incentive Plan and deferred under the Deferred Compensation Plan for Non-Employee Directors, reflecting standard equity compensation mechanics for board members. The report shows 245,654.2 shares beneficially owned following the transaction, recorded as direct ownership. This filing appears to be a routine record of equity compensation and does not disclose cash proceeds, option exercises, or derivative transactions.

Corporate Governance Expert

TL;DR: Typical disclosure of director RSU award vesting and deferral; clarifies post-transaction ownership and vesting triggers.

The disclosure specifies that the RSUs arise from dividend equivalent provisions and are subject to the company’s Incentive Plan and Deferred Compensation Plan for Non-Employee Directors. It further states vesting occurs immediately or on the one-year anniversary of grant, with distribution contingent on death, disability, or cessation of Board service. The filing is consistent with standard governance practices for non-employee director compensation and provides clear conditions for conversion of RSUs to common stock.

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 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)
09/10/2025

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	09/10/2025		A		4,554.8(1)		(2)	(2)	Common Stock	4,554.8	$0	245,654.2	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 E. Mark Rajkowski	09/12/2025
	** 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 did E. Mark Rajkowski report on Form 4 for ACCO (ACCO)?

He reported acquiring 4,554.8 Restricted Stock Units (RSUs) on 09/10/2025 as dividend equivalents to his RSU awards.

How many ACCO shares does Rajkowski beneficially own after the transaction?

The Form 4 lists 245,654.2 shares of ACCO common stock beneficially owned following the reported transaction.

Under what plans were the RSUs granted and deferred?

The RSUs were granted under the issuer’s Incentive Plan and deferred under the Deferred Compensation Plan for Non-Employee Directors.

When do the RSUs convert to shares?

Each RSU represents the right to receive one share upon the earlier of the reporting person’s death or disability or cessation of Board service; RSUs vest immediately or on the one-year anniversary of the grant date.

What date was the Form 4 signed and filed?

The Form 4 shows a signature by attorney-in-fact Kathryn D. Ingraham for E. Mark Rajkowski dated 09/12/2025.