ACCO (ACCO) director Lombardi awarded 3,559.8 deferred RSUs as board compensation

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 3,559.8 Restricted Stock Units (RSUs). These RSUs were awarded under the company’s Incentive Plan as compensation, with no cash paid by Lombardi.

Each RSU represents one share of ACCO common stock and either vests immediately or on the one-year anniversary of the grant date, but is deferred under the Deferred Compensation Plan for Non-Employee Directors. The shares will be delivered upon the earlier of Lombardi’s death or disability, or when he leaves the Board. Following this award, he holds a total of 189,621.03 RSUs directly.

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	3,559.8	$0.00	--

Holdings After Transaction: Restricted Stock Units — 189,621.03 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSUs granted: 3,559.8 units RSUs after transaction: 189,621.03 units Grant price per unit: $0.0000 per unit +1 more

4 metrics

RSUs granted 3,559.8 units Restricted Stock Units awarded to director on 2026-06-17

RSUs after transaction 189,621.03 units Total Restricted Stock Units held directly after grant

Grant price per unit $0.0000 per unit Compensation grant with no cash paid by director

Underlying common shares 3,559.8 shares Each RSU represents one share of ACCO common stock

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 other

"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."

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/18/2026 - 01:29 PM Accepted by SEC EDGAR 06/18/2026 - 01:29 PM 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^*

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)
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		3,559.8		(1)	(1)	Common Stock	3,559.8	$0	189,621.03	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	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) report for Ronald M. Lombardi?

ACCO reported that director Ronald M. Lombardi received 3,559.8 Restricted Stock Units as a compensation award. The RSUs were granted at no cost under the company’s Incentive Plan and each unit represents the right to receive one share of common stock.

How many ACCO (ACCO) Restricted Stock Units does Ronald M. Lombardi hold after this grant?

After the new award, Ronald M. Lombardi holds a total of 189,621.03 Restricted Stock Units. These units are deferred compensation and each RSU represents the right to receive one share of ACCO Brands’ common stock in the future, subject to plan terms.

When do Ronald M. Lombardi’s ACCO (ACCO) RSUs vest and pay out?

The RSUs either vest immediately or on the one-year anniversary of the grant date, depending on grant terms. However, payout of shares is deferred until the earlier of Lombardi’s death or disability, or when he stops serving on ACCO’s Board of Directors.

What does the ACCO (ACCO) Form 4 say about the cost of Lombardi’s RSU grant?

The Form 4 reports a transaction price per unit of 0.0000, indicating Lombardi did not pay cash for the 3,559.8 RSUs. This reflects a standard compensation grant under ACCO’s Incentive Plan for Non-Employee Directors, not an open-market purchase.

Are Ronald M. Lombardi’s ACCO (ACCO) RSUs part of a deferred compensation arrangement?

Yes. The footnote explains that these RSUs have been deferred under ACCO’s Deferred Compensation Plan for Non-Employee Directors. Although they vest either immediately or after one year, the actual shares are delivered only upon death, disability, or board service cessation.