Board member at ACCO Brands (NYSE: ACCO) receives 32,809 RSUs

Rhea-AI Filing Summary

Lombardi Ronald M. reported acquisition or exercise transactions in this Form 4 filing.

ACCO Brands Corp director Ronald M. Lombardi received a grant of 32,809 Restricted Stock Units as equity compensation. These RSUs were granted under the company’s Incentive Plan for non-employee directors and each unit represents one share of common stock in the future.

The RSUs either vested immediately or will vest on the one-year anniversary of the grant date, but have been deferred under ACCO Brands’ Deferred Compensation Plan for Non-Employee Directors. Delivery of the underlying shares occurs upon the earlier of Lombardi’s death, disability, or when he leaves the Board of Directors. Following this grant, he directly holds 186,061.23 RSUs tied to ACCO Brands common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lombardi Ronald M.

Role null

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

Holdings After Transaction: Restricted Stock Units — 186,061.23 shares (Direct, null)

Footnotes (1)

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Key Figures

RSUs granted: 32,809 units Total RSUs after grant: 186,061.23 units RSU-to-share ratio: 1 RSU : 1 share +1 more

4 metrics

RSUs granted 32,809 units Restricted Stock Units granted to director on May 19, 2026

Total RSUs after grant 186,061.23 units Director’s direct RSU holdings following transaction

RSU-to-share ratio 1 RSU : 1 share Each RSU represents one share of ACCO common stock

Transaction code A (Grant, award, or other acquisition) Indicates compensation-related RSU grant, not open-market trade

Key Terms

Restricted Stock Units, Incentive Plan, Deferred Compensation Plan for Non-Employee Directors, Board of 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 for Non-Employee Directors financial

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

Board of Directors financial

"cessation of service as a member of the Board of Directors."

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

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^*

Lombardi Ronald M.

(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	186,061.23	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/ Kathyrn D/ Ingraham, Attorney in fact for Ronald M. Lombardi	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 does the latest Form 4 for ACCO (ACCO BRANDS Corp) report?

The Form 4 reports a grant of 32,809 Restricted Stock Units to director Ronald M. Lombardi. These units are equity compensation under ACCO Brands’ Incentive Plan and are deferred until specific future events such as death, disability, or board service ending.

How many ACCO Brands RSUs were granted to Ronald M. Lombardi?

Ronald M. Lombardi was granted 32,809 Restricted Stock Units. Each RSU represents the right to receive one share of ACCO Brands common stock, subject to vesting and deferral conditions laid out in the company’s non-employee director compensation plans.

What are the vesting terms of the ACCO (ACCO BRANDS Corp) RSU grant?

The RSUs are immediately vested or vest on the one-year anniversary of the grant date. Regardless of vest timing, delivery of the underlying ACCO Brands shares is deferred under the Deferred Compensation Plan for Non-Employee Directors until specified triggering events occur.

When will Ronald M. Lombardi receive ACCO Brands common shares for these RSUs?

Lombardi will receive ACCO Brands common shares upon the earlier of his death, disability, or cessation of service on the Board. Until then, the 32,809 Restricted Stock Units remain deferred under the company’s Deferred Compensation Plan.

Does the ACCO Form 4 show open-market buying or selling by Ronald M. Lombardi?

No, the Form 4 shows a grant of Restricted Stock Units as compensation, not an open-market trade. The transaction is coded as a grant or award acquisition, with no reported buying or selling of existing ACCO Brands shares.

What is Ronald M. Lombardi’s total RSU position after this ACCO grant?

After the grant, Lombardi directly holds 186,061.23 Restricted Stock Units tied to ACCO Brands common stock. Each RSU corresponds to one share deliverable in the future upon specified events, providing long-term equity exposure as a director.