ACCO CFO awarded RSUs and PSUs, settles units

ACCO Brands EVP and CFO Deborah O’Connor reported routine equity compensation activity.

Rhea-AI Filing Summary

ACCO Brands EVP and CFO Deborah O’Connor reported routine equity compensation activity. She received a grant of 161,065 restricted stock units that are scheduled to convert into common shares on March 11, 2029, if she remains employed, subject to plan acceleration provisions.

She was also granted 104,599 performance stock units for the 2023–2025 cycle, which were earned over a three-year performance period and became eligible to settle into common stock. Those 104,599 units were then exercised into 104,599 shares of common stock, and 30,611 of those shares were withheld at $3.635 per share to cover tax obligations. After these transactions, she directly holds 107,616 shares of common stock.

Insider Trade Summary

104,599 shares exercised/converted

Exercise 5 txns

Insider OCONNOR DEBORAH A

Role EVP and CFO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	161,065	$0.00	$0.00
Grant/Award	Performance Stock Units (2023-2025)	104,599	$0.00	$0.00
Exercise	Performance Stock Units (2023-2025)	104,599	$0.00	$0.00
Exercise	Common Stock	104,599	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	30,611	$3.635	$111K

Holdings After Transaction: Performance Stock Units (2023-2025) — 0 contracts (Direct); Restricted Stock Units — 161,065 contracts (Direct); Common Stock — 107,616 shares (Direct)

Footnotes (2)

1. F1. Reflects performance stock units ("PSUs") granted under the Issuer's Incentive Plan that were earned by the Reporting Person during a three-year performance period. Subject to the Reporting Person's continued employment, earned PSUs become eligible for settlement into shares of common stock upon the completion of the final performance period in the three-year cycle.
2. F2. 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 11, 2029, provided that the Reporting Person remains employed by the Issuer at that time, subject to acceleration as provided in said Plan.

FAQ

What insider transactions did ACCO (ACCO) CFO Deborah O’Connor report?

Deborah O’Connor reported equity compensation activity, including grants of restricted and performance stock units, the settlement of 104,599 performance units into common stock, and withholding of 30,611 shares to cover tax obligations, leaving her with 107,616 directly held common shares.

How many restricted stock units did ACCO (ACCO) grant to its CFO?

She received 161,065 restricted stock units. Each unit represents one share of ACCO Brands common stock, scheduled to be delivered on March 11, 2029, provided she remains employed and subject to possible acceleration under the company’s incentive plan.

What are the terms of ACCO (ACCO) CFO’s new performance stock units?

The CFO was granted 104,599 performance stock units tied to a 2023–2025 performance period. These units were earned over three years and then became eligible to settle into an equal number of common shares based on the company’s incentive plan.

Did the ACCO (ACCO) CFO sell any shares in this Form 4 filing?

No open-market sale is reported. Instead, 30,611 common shares were withheld at $3.635 per share to satisfy tax liabilities related to the equity settlement, which is a standard non-market tax-withholding mechanism rather than a discretionary sale.

How many ACCO (ACCO) common shares does the CFO hold after these transactions?

Following the reported transactions, Deborah O’Connor directly holds 107,616 shares of ACCO Brands common stock. This figure reflects the settlement of 104,599 performance units and the withholding of 30,611 shares for taxes as part of the same equity event.

When will the new ACCO (ACCO) restricted stock units vest for the CFO?

The 161,065 restricted stock units are scheduled to deliver one share of common stock each on March 11, 2029. Delivery depends on her continued employment with ACCO Brands and follows the acceleration and vesting provisions of the company’s incentive plan.

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Accepted by SEC EDGAR 03/12/2026 - 06:38 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
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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^*

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)
03/10/2026

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	03/10/2026		M		104,599	A	$0	138,227	D
Common Stock	03/10/2026		F		30,611	D	$3.635	107,616	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
Performance Stock Units (2023-2025)(1)	$0	03/10/2026		A		104,599		(1)	(1)	Common Stock	104,599	$0	104,599	D
Performance Stock Units (2023-2025)(1)	$0	03/10/2026		M			104,599	(1)	(1)	Common Stock	104,599	$0	0	D
Restricted Stock Units(2)	$0	03/11/2026		A		161,065		03/11/2029(2)	03/11/2029(2)	Common Stock	161,065	$0	161,065	D

Explanation of Responses:

1. Reflects performance stock units ("PSUs") granted under the Issuer's Incentive Plan that were earned by the Reporting Person during a three-year performance period. Subject to the Reporting Person's continued employment, earned PSUs become eligible for settlement into shares of common stock upon the completion of the final performance period in the three-year cycle.

2. 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 11, 2029, provided that 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	03/12/2026
	** Signature of Reporting Person	Date
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