ACCO Brands director granted 3,787.1000 RSUs

ACCO Brands Corp director Ronald M. Lombardi acquired 3,787.1000 Restricted Stock Units (RSUs) tied to dividend equivalent provisions on his earned and outstanding RSU awards.

Rhea-AI Filing Summary

ACCO Brands Corp director Ronald M. Lombardi acquired 3,787.1000 Restricted Stock Units (RSUs) tied to dividend equivalent provisions on his earned and outstanding RSU awards. These RSUs were granted under the company’s incentive plan and are deferred under the Deferred Compensation Plan for Non-Employee Directors. Each RSU represents one share of common stock deliverable upon his death, disability, or when he ceases to serve on the Board. Following this award, he holds 153,252.2300 RSUs directly.

Insider Trade Summary

Grant/Award: 3,787.1 shares

Grant/Award 1 txn

Insider Lombardi Ronald M.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	3,787.1	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 153,252.23 contracts (Direct)

Footnotes (2)

1. F1. Represents Restricted Stock Units (RSUs) acquired pursuant to the dividend equivalent provisions of the Reporting Person's earned and outstanding RSU awards.
2. F2. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ACCO (ACCO) report for Ronald M. Lombardi?

Ronald M. Lombardi received 3,787.1000 Restricted Stock Units. The RSUs were credited as dividend equivalents on his existing RSU awards under ACCO Brands’ incentive and deferred compensation plans for non-employee directors.

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

After this transaction, Ronald M. Lombardi holds 153,252.2300 Restricted Stock Units. This total reflects his direct RSU position following the 3,787.1000-unit dividend equivalent award credited on his outstanding RSU grants.

What triggers payment of Ronald M. Lombardi’s ACCO (ACCO) Restricted Stock Units?

Each Restricted Stock Unit converts into one ACCO Brands common share upon the earlier of Lombardi’s death, disability, or when he ceases serving as a member of the Board of Directors, according to the plan terms.

Are Ronald M. Lombardi’s new ACCO (ACCO) RSUs immediately vested?

The RSUs are granted under the issuer’s incentive plan and may be immediately vested or vest on the one-year anniversary of the grant date. In all cases, they have been deferred under the Deferred Compensation Plan for Non-Employee Directors.

How were the new ACCO (ACCO) RSUs for Ronald M. Lombardi determined?

The 3,787.1000 RSUs were acquired under dividend equivalent provisions tied to Lombardi’s earned and outstanding RSU awards. Dividend equivalents credit additional RSUs in lieu of cash dividends on the underlying deferred stock units.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/27/2026 - 06:03 PM EDT 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)
03/26/2026

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	03/26/2026		A		3,787.1(1)		(2)	(2)	Common Stock	3,787.1	$0	153,252.23	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/ Kathyrn D/ Ingraham, Attorney in fact for Ronald M. Lombardi	03/27/2026
	** 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)