DEBORAH A. OCONNOR - 18 Jun 2025 Form 4 Insider Report for ACCO BRANDS Corp (ACCO)

Role: EVP and CFO
Signature: /s/ Pamela R. Schneider, Attorney-in-fact for Deborah A. O'Connor
Issuer symbol: ACCO
Transactions as of: 18 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 20 Jun 2025, 15:32:16 UTC
Previous filing: 05 May 2025
Next filing: 12 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
OCONNOR DEBORAH A	EVP and CFO	C/O ACCO BRANDS CORPORATION, LAKE ZURICH	/s/ Pamela R. Schneider, Attorney-in-fact for Deborah A. O'Connor	20 Jun 2025	0001356797

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACCO	Common Stock	Award	$0	0		$0.000000	0	27 Mar 2024	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ACCO	Restricted Stock Units	Award	$0	+1,974	+2.2%	$0.000000	92,276	18 Jun 2025	Common Stock	1,974	$0.000000	Direct	F1, F2
transaction	ACCO	Restricted Stock Units	Award	$0	+1,928	+2.2%	$0.000000	90,084	18 Jun 2025	Common Stock	1,928	$0.000000	Direct	F2, F3
transaction	ACCO	Restricted Stock Units	Award	$0	+2,486	+2.2%	$0.000000	116,198	18 Jun 2025	Common Stock	2,486	$0.000000	Direct	F2, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	Represents Restricted Stock Units (RSUs) acquired pursuant to the dividend equivalent provisions of the Reporting Person's earned and outstanding RSU awards.
F3	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 12, 2027, provided the Reporting Person remains employed by the Issuer at that time, subject to acceleration as provided in said Plan.
F4	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, 2028, provided that the Reporting Person remains employed by the Issuer at that time, subject to acceleration as provided in said Plan.