ACCO BRANDS (NYSE: ACCO) director receives 4,881.5 deferred RSUs grant

Rhea-AI Filing Summary

ACCO BRANDS Corp director Robert J. Keller received a grant of 4,881.5 Restricted Stock Units (RSUs) of common stock as compensation. These RSUs are granted under the company’s Incentive Plan and are either immediately vested or vest on the one-year anniversary of the grant date.

The RSUs have been deferred under ACCO’s Deferred Compensation Plan for Non-Employee Directors. Each RSU converts into one share of common stock upon the earlier of Keller’s death or disability, or when he ceases serving on the Board. Following this award, he holds 260,022.37 RSUs directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Keller Robert J

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	4,881.5	$0.00	--

Holdings After Transaction: Restricted Stock Units — 260,022.37 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSUs granted: 4,881.5 units Post-grant RSU holdings: 260,022.37 units Grant price per RSU: $0.0000 +1 more

4 metrics

RSUs granted 4,881.5 units Restricted Stock Units awarded to director on June 17, 2026

Post-grant RSU holdings 260,022.37 units Total RSUs held directly after the award

Grant price per RSU $0.0000 Compensation grant; no cash paid by director

RSU-to-share ratio 1 RSU = 1 share Each unit represents one share of common stock upon settlement

Key Terms

Restricted Stock Units, Incentive Plan, Deferred Compensation Plan, Non-Employee Directors

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 financial

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

A deferred compensation plan is an arrangement where an employer agrees to pay part of an employee’s pay or bonus at a later date instead of immediately, often to reduce current tax bills or to tie rewards to long-term performance. For investors it matters because these promises create future cash obligations and influence executive incentives and retention; they can affect a company’s reported liabilities, cash flow planning and the risk profile if the business faces financial trouble.

Non-Employee Directors financial

"Deferred Compensation Plan for Non-Employee Directors."

Non-employee directors are board members who do not work for the company as salaried employees and usually do not hold day-to-day management roles. They act like outside referees or independent coaches, providing oversight, asking tough questions, and protecting shareholders’ interests; investors care because these directors help ensure management is accountable, reduce conflicts of interest, and influence decisions that affect company strategy and long-term value.

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Form 4 Insider Transactions: What Each Field Means →

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)
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		4,881.5		(1)	(1)	Common Stock	4,881.5	$0	260,022.37	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 Robert J. Keller	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)

FAQ

What insider transaction did ACCO (ACCO) director Robert J. Keller report?

Robert J. Keller reported receiving a grant of 4,881.5 Restricted Stock Units (RSUs) from ACCO BRANDS Corp. The RSUs are a form of equity compensation tied to common stock, granted under the company’s Incentive Plan for non-employee directors.

How many ACCO RSUs does Robert J. Keller hold after this Form 4?

After this award, Robert J. Keller holds 260,022.37 Restricted Stock Units directly. Each RSU represents the right to receive one share of ACCO BRANDS common stock, subject to the deferral and settlement conditions described in the company’s plans.

When do Robert J. Keller’s newly granted ACCO RSUs vest?

The newly granted 4,881.5 RSUs either vest immediately or on the one-year anniversary of the grant date. Despite vesting, delivery of the underlying shares is deferred under ACCO’s Deferred Compensation Plan for Non-Employee Directors.

Under what conditions are ACCO RSUs for Robert J. Keller settled in shares?

Each RSU entitles Robert J. Keller to one share of ACCO common stock upon the earlier of his death, disability, or cessation of service as a member of the Board of Directors, according to the filed footnote description.

Is Robert J. Keller’s ACCO RSU grant an open-market share purchase?

No, the 4,881.5 RSUs represent a grant or award acquisition, not an open-market purchase. The transaction carries code “A” on Form 4, indicating compensation-related equity awarded under ACCO’s Incentive Plan for non-employee directors.