ACCO BRANDS (ACCO) CFO exercises 94,019 RSUs, covers taxes with shares

Rhea-AI Filing Summary

ACCO BRANDS Corp EVP and CFO Deborah A. O'Connor exercised 94,019 Restricted Stock Units into common shares on March 14, 2026. These RSUs were granted under the company’s incentive plan, with each unit converting into one share of common stock.

To cover tax obligations, 27,548 common shares were withheld at a price of $3.32 per share, a non-market, tax-withholding disposition. After the exercise and tax withholding, O'Connor directly holds 174,087 shares of ACCO BRANDS common stock, reflecting a net increase in her equity position.

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

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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^*

OCONNOR DEBORAH A

(Last) (First) (Middle)

C/O ACCO BRANDS CORPORATION

(Street)

LAKE ZURICH IL 60047

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ACCO BRANDS Corp [ ACCO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP and CFO

3. Date of Earliest Transaction (Month/Day/Year)
03/14/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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
Common Stock	03/14/2026		M		94,019	A	$0	201,635	D
Common Stock	03/14/2026		F		27,548	D	$3.32	174,087	D

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(1)	$0	03/14/2026		M			94,019	03/14/2026(1)	03/14/2026(1)	Common Stock	94,019	$0	0	D

Explanation of Responses:

1. Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan. Each RSU represents the right to receive one share of the Issuer's common stock on March 14, 2026, provided the Reporting Person remains employed by the Issuer at that time, subject to acceleration as provided in said Plan.

	/s/ Kathryn D. Ingraham, Attorney-in-fact for Deborah A. O'Connor	03/17/2026
	** 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.

FAQ

What did ACCO (ACCO) EVP and CFO Deborah O'Connor report in this Form 4?

Deborah O'Connor reported exercising 94,019 Restricted Stock Units into ACCO BRANDS common stock. These RSUs vested under the company’s incentive plan and converted one-for-one into shares on March 14, 2026, increasing her direct ownership stake.

How many ACCO BRANDS shares did the CFO receive from RSU vesting?

She received 94,019 ACCO BRANDS common shares from vested Restricted Stock Units. Each RSU represented the right to one share, contingent on continued employment through March 14, 2026, under the issuer’s incentive compensation plan.

How were taxes handled on the ACCO CFO’s RSU vesting transaction?

To satisfy tax obligations, 27,548 ACCO BRANDS common shares were withheld at $3.32 per share. This Form 4 characterizes the event as a tax-withholding disposition, rather than an open-market sale, occurring on the same date as the RSU exercise.

What is Deborah O'Connor’s ACCO BRANDS shareholding after these Form 4 transactions?

Following the RSU exercise and tax-withholding share disposition, Deborah O'Connor directly holds 174,087 ACCO BRANDS common shares. This reflects her updated post-transaction ownership position as reported in the Form 4 filing for March 14, 2026.

Were any of the ACCO CFO’s reported transactions open-market stock purchases or sales?

No open-market purchases or sales were reported. The Form 4 shows a derivative exercise of 94,019 Restricted Stock Units into common stock and a related disposition of 27,548 shares solely to cover tax liabilities, rather than discretionary market trading.

What are the key Form 4 transaction codes used in the ACCO CFO filing?

The filing uses code M for exercise or conversion of derivative securities and code F for payment of tax liability by delivering shares. These codes indicate RSU vesting into stock and share withholding for taxes, not regular market buy or sell activity.