James M. Dudek - 10 Mar 2026 Form 4 Insider Report for ACCO BRANDS Corp (ACCO)

Reporting relationship: SVP, Corp Controller and CAO
Issuer ticker: ACCO
Reported as of: 10 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Mar 2026, 18:13:11 UTC
Prior SEC filing: 12 Sep 2025
Next SEC filing: 17 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Kathryn D. Ingraham, Attorney-in-fact for James M. Dudek

Key filing fact

James M. Dudek filed Form 4 for ACCO BRANDS Corp (ACCO) on 12 Mar 2026.

Key facts

This page summarizes James M. Dudek's Form 4 filing for ACCO BRANDS Corp (ACCO).
5 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 12 Mar 2026, 18:13.

Change

Previous filing in this sequence was filed on 12 Sep 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001420780 Primary reporting owner

Dudek James

Relationship: SVP, Corp Controller and CAO
Address: C/O ACCO BRANDS CORPORATION, LAKE ZURICH
Signature: /s/ Kathryn D. Ingraham, Attorney-in-fact for James M. Dudek
Signature date: 12 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ACCO transaction

Common Stock

Options Exercise

Transaction value
Shares: +21,917
Change %: +57%
Price: $0.000000^*
Shares after: 60,425
Date: 10 Mar 2026
Ownership: Direct

ACCO transaction

Common Stock

Tax liability

Transaction value
Shares: -7,585
Change %: -13%
Price: $3.64^*
Shares after: 52,840
Date: 10 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ACCO transaction Derivative

Performance Stock Units (2023-2025)

Award

Transaction value
Shares: +21,917
Change %
Price: $0.000000^*
Shares after: 21,917
Date: 10 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 21,917
Exercise price: $0.000000
Footnotes: F1

ACCO transaction Derivative

Performance Stock Units (2023-2025)

Options Exercise

Transaction value
Shares: -21,917
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 21,917
Exercise price: $0.000000
Footnotes: F1

ACCO transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +30,813
Change %
Price: $0.000000^*
Shares after: 30,813
Date: 11 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 30,813
Exercise price: $0.000000
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote 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.