Form 144: Morgan Stanley lists ACCO resale lots

Morgan Stanley Smith Barney LLC Executive Financial Services reported proposed sales of common stock on behalf of holders in a Form 144 filing related to ACCO.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC Executive Financial Services reported proposed sales of common stock on behalf of holders in a Form 144 filing related to ACCO. The filing lists 17,691 performance shares dated 03/10/2026, 11,727 performance shares dated 03/10/2026, and 27,799 restricted shares dated 03/14/2026.

Insights

Equity Capital Markets Analyst

Routine Form 144 lists proposed resale quantities of common stock held as performance and restricted awards.

The excerpt lists three specific lot sizes: 17,691 performance shares (03/10/2026), 11,727 performance shares (03/10/2026), and 27,799 restricted shares (03/14/2026). These appear as proposed sales submitted via Morgan Stanley Smith Barney LLC Executive Financial Services.

Timing, pricing, and cash‑flow treatment are not included in the excerpt; subsequent filings or broker reports may state sale execution details.

Key Figures

Performance shares (lot 1): 17,691 shares Performance shares (lot 2): 11,727 shares Restricted stock: 27,799 shares

3 metrics

Performance shares (lot 1) 17,691 shares dated <date>03/10/2026</date>

Performance shares (lot 2) 11,727 shares dated <date>03/10/2026</date>

Restricted stock 27,799 shares dated <date>03/14/2026</date>

Key Terms

Form 144, Performance Shares, Restricted Stock

3 terms

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Performance Shares financial

"Common | 03/10/2026 | Performance Shares"

Performance shares are a type of company stock given to executives or employees that only become theirs if the company meets specific goals, like hitting certain profits or growth targets. They motivate leaders to work toward the company’s success, because their additional shares depend on achieving these results.

Restricted Stock financial

"Common | 03/14/2026 | Restricted Stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

FAQ

What does the ACCO Form 144 filed by Morgan Stanley list?

The filing lists proposed resales of common stock held as awards. It shows 17,691 performance shares, 11,727 performance shares, and 27,799 restricted shares with dates in March 2026.

Are the proposed sales in the Form 144 already executed for ACCO?

No; the Form 144 excerpt reports proposed sales. It lists the lots and grant/award dates but does not state execution, prices, or settlement details in the provided content.

Who is the broker or filer on the ACCO Form 144?

The filing names Morgan Stanley Smith Barney LLC Executive Financial Services as the filer associated with the common stock entries and the listed proposed share lots in the excerpt.

What award types are being offered for resale in the ACCO filing?

The excerpt shows two award types: Performance Shares (two lots dated 03/10/2026) and Restricted Stock (one lot dated 03/14/2026), with the share counts shown for each.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/28/2026 - 06:00 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001753094
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ACCO BRANDS CORPORATION
SEC File Number	001-08454
Address of Issuer	Four Corporate Drive Lake Zurich ILLINOIS 60047
Phone	(847) 541-9500
Name of Person for Whose Account the Securities are To Be Sold	ANGELA JONES
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	57217	229886.46	92257794	05/28/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/10/2026	Performance Shares	Issuer			17691	03/10/2026	Not Applicable
Common	03/10/2026	Performance Shares	Issuer			11727	03/10/2026	Not Applicable
Common	03/14/2026	Restricted Stock	Issuer			27799	03/14/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/28/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Angela Jones
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)