ACCO Brands director granted 1,940.2 RSUs

ACCO director Elizabeth A. Simermeyer received a deferred grant of 1,940.2 RSUs that will settle in shares after her board service ends or upon certain events.

Rhea-AI Filing Summary

ACCO BRANDS Corp (symbol: ACCO) is the issuer of record for a Form 4 filing submitted to the SEC. Simermeyer Elizabeth A reported acquisition or exercise transactions in this Form 4 filing.

ACCO BRANDS Corp (ACCO) reported that director Elizabeth A. Simermeyer received a grant of 1,940.2 Restricted Stock Units on September 9, 2026 under the company’s Incentive Plan. Following this award, she holds 113,693.7 RSUs directly. No Rule 10b5-1 trading plan is reported.

The RSUs are deferred under ACCO’s Deferred Compensation Plan for Non-Employee Directors and each unit represents one share of common stock, to be delivered upon the earlier of her death or disability, or the end of her service on the Board.

Insider Trade Summary

Grant/Award: 1,940.2 shares

Grant/Award 1 txn

Insider Simermeyer Elizabeth A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units F1	1,940.2	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 113,693.7 contracts (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

RSUs granted: 1,940.2 units RSUs following transaction: 113,693.7 units Exercise/Conversion price: $0.00 per unit +1 more

4 metrics

RSUs granted 1,940.2 units Restricted Stock Units granted to Elizabeth A. Simermeyer on September 9, 2026

RSUs following transaction 113,693.7 units Total Restricted Stock Units directly held by Elizabeth A. Simermeyer after the grant

Exercise/Conversion price $0.00 per unit Grant of RSUs under ACCO BRANDS Corp Incentive Plan

Underlying common shares 1,940.2 shares Each RSU represents the right to receive one share of common stock

Key Terms

Restricted Stock Units, Deferred Compensation Plan for Non-Employee Directors, Incentive Plan

3 terms

Restricted Stock Units financial

"Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Deferred Compensation Plan for Non-Employee Directors financial

"have been deferred under the Issuer's Deferred Compensation Plan for Non-Employee Directors."

Incentive Plan financial

"Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan."

FAQ

What insider transaction did ACCO (ACCO) report for Elizabeth A. Simermeyer?

ACCO reported that director Elizabeth A. Simermeyer acquired 1,940.2 Restricted Stock Units as a grant on September 9, 2026 under the company’s Incentive Plan, increasing her directly held RSUs to 113,693.7.

How many ACCO RSUs does Elizabeth A. Simermeyer hold after this Form 4 transaction?

After the reported grant, Elizabeth A. Simermeyer directly holds 113,693.7 Restricted Stock Units, each representing the right to receive one share of ACCO BRANDS Corp common stock in the future under the plan terms.

When will the newly granted ACCO RSUs to Elizabeth A. Simermeyer vest and be paid?

The 1,940.2 RSUs either vest immediately or on the one-year anniversary of the grant date and have been deferred. Each RSU will be settled in one share of ACCO common stock upon the earlier of her death, disability, or cessation of Board service.

Was the ACCO Form 4 transaction by Elizabeth A. Simermeyer under a Rule 10b5-1 plan?

No. The filing indicates that the Rule 10b5-1 checkbox is not affirmed, meaning the reported RSU grant to Elizabeth A. Simermeyer was not identified as being made under a Rule 10b5-1 trading plan.

What type of security did ACCO (ACCO) grant to Elizabeth A. Simermeyer on September 9, 2026?

ACCO granted Elizabeth A. Simermeyer Restricted Stock Units (RSUs), a derivative security where each unit represents the right to receive one share of common stock in the future, subject to vesting and deferral provisions described in the company’s plans.

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Available on EDGAR 09/10/2026 - 03:24 PM Accepted by SEC EDGAR 09/10/2026 - 03:23 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
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^*

Simermeyer Elizabeth A

(Last) (First) (Middle)

C/O ACCO BRANDS CORP

FOUR CORPORATE DRIVE

(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)
09/09/2026

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	09/09/2026		A		1,940.2		(1)	(1)	Common Stock	1,940.2	$0	113,693.7	D

Explanation of Responses:

1. 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/ Kathryn D. Ingraham, attorney-in-fact for Elizabeth A. Simermeyer	09/10/2026
	** 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)