ACCO Brands (ACCO) director defers 32,809 stock units award

Rhea-AI Filing Summary

BURTON JOSEPH B reported acquisition or exercise transactions in this Form 4 filing.

ACCO Brands Corp director Joseph B. Burton reported an award of 32,809 Restricted Stock Units (RSUs) of common stock as compensation. The RSUs were granted at no cash cost under the company’s Incentive Plan and are deferred under the Deferred Compensation Plan for Non-Employee Directors.

The footnote explains that these RSUs either vest immediately or on the one-year anniversary of the grant, but in all cases remain deferred until the earlier of Burton’s death or disability, or when he ceases to serve on the Board. Following this grant, he directly holds 143,495.69 RSUs representing an equivalent number of common shares deliverable at that future time.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider BURTON JOSEPH B

Role null

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	32,809	$0.00	--

Holdings After Transaction: Restricted Stock Units — 143,495.69 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSUs granted: 32,809 units Underlying common stock: 32,809 shares Total RSUs after grant: 143,495.69 units +1 more

4 metrics

RSUs granted 32,809 units Restricted Stock Units award on 2026-05-19

Underlying common stock 32,809 shares Each RSU represents one common share

Total RSUs after grant 143,495.69 units Direct holdings following the reported transaction

Transaction price per RSU $0.0000 per unit Non-cash grant under Incentive Plan

Key Terms

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

4 terms

Restricted Stock Units (RSUs) financial

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

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

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."

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^*

BURTON JOSEPH B

(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)
05/19/2026

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	05/19/2026		A		32,809		(1)	(1)	Common Stock	32,809	$0	143,495.69	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 Joseph B. Burton	05/20/2026
	** 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 Joseph B. Burton report?

Joseph B. Burton reported receiving 32,809 Restricted Stock Units (RSUs) of ACCO Brands common stock as a compensation award. The RSUs were granted at no cash cost under the company’s Incentive Plan and will ultimately settle in an equal number of common shares.

How many ACCO Brands RSUs does Joseph B. Burton hold after this Form 4?

After the 32,809 RSU grant, Joseph B. Burton holds a total of 143,495.69 RSUs directly. Each RSU represents the right to receive one ACCO Brands common share at a future settlement date tied to his board service or specified events.

When do Joseph B. Burton’s new ACCO RSUs vest and settle?

The RSUs either vest immediately or on the one-year anniversary of the grant date, according to the footnote. However, settlement into common shares is deferred until the earlier of Burton’s death or disability, or when he stops serving on ACCO’s Board of Directors.

Are Joseph B. Burton’s new ACCO RSUs part of a deferred compensation plan?

Yes. The footnote states these RSUs are deferred under ACCO’s Deferred Compensation Plan for Non-Employee Directors. This means the underlying shares will be delivered only upon death, disability, or cessation of service on the Board, rather than at the initial vesting date.

What type of security did Joseph B. Burton acquire in this ACCO Form 4?

He acquired derivative securities classified as Restricted Stock Units, each linked to one share of ACCO Brands common stock. The RSUs were granted as a non-cash award and are governed by both the company’s Incentive Plan and its Deferred Compensation Plan for Non-Employee Directors.