AMG Form 144: Broker lists 1,000 vested shares to sell

Affiliated broker-dealer filed a Form 144 reporting intent to sell restricted shares that vested under a registered plan.

Rhea-AI Filing Summary

Affiliated broker-dealer filed a Form 144 reporting intent to sell restricted shares that vested under a registered plan. The notice lists vesting dates and share amounts: 207 shares (03/05/2022), 186 shares (08/15/2022), 380 shares (03/05/2023), and 227 shares (08/15/2023).

Insights

Insider Transactions Analyst

Routine Form 144 notice of intended resale for vested restricted stock.

This filing lists specific vested restricted-share lots and the broker-dealer handling potential sales. The shares are described as "Restricted stock vesting under a registered plan," which indicates issuance tied to compensation vesting events.

Cash-flow treatment and exact timing of sales are not provided in the excerpt; subsequent trade execution and volume will determine market impact.

Key Figures

Total listed shares: 1,000 shares Vested lot: 207 shares Vested lot: 186 shares +2 more

5 metrics

Total listed shares 1,000 shares aggregate of listed vested lots in the excerpt

Vested lot 207 shares 03/05/2022 restricted stock vesting

Vested lot 186 shares 08/15/2022 restricted stock vesting

Vested lot 380 shares 03/05/2023 restricted stock vesting

Vested lot 227 shares 08/15/2023 restricted stock vesting

Key Terms

Restricted stock vesting, Form 144, Issuer

3 terms

Restricted stock vesting financial

"Restricted stock vesting under a registered plan"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Form 144 regulatory

"144: Securities To Be Sold"

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.

Issuer regulatory

"Restricted stock vesting under a registered plan | Issuer"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does AMG's Form 144 filing report?

It reports intent to sell vested restricted shares under a registered plan. The filing lists four vested lots totaling 1,000 shares across dates in 2022 and 2023, submitted through Morgan Stanley Smith Barney LLC on 05/08/2026.

Who is listed as the broker for the proposed sales in AMG's Form 144?

The broker-dealer listed is Morgan Stanley Smith Barney LLC. The filing names its New York Plaza office and shows the execution channel but does not disclose sale timing or prices in the provided excerpt.

Which share lots and dates are included in the AMG Form 144?

The filing lists four vested restricted-share lots: 207 shares (03/05/2022), 186 shares (08/15/2022), 380 shares (03/05/2023), and 227 shares (08/15/2023).

Does AMG's Form 144 state how much cash the company will receive?

No. The excerpt lists intended resale lots and the broker but does not state proceeds or whether AMG will receive any proceeds; it simply reports the securities and vesting details.

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

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Accepted by SEC EDGAR 05/08/2026 - 04:06 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	0001838275
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	AFFILIATED MANAGERS GROUP, INC.
SEC File Number	001-13459
Address of Issuer	777 South Flagler Drive West Palm Beach FLORIDA 33401
Phone	800-345-1100
Name of Person for Whose Account the Securities are To Be Sold	FELIX V MATOS RODRIGUEZ
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	Director

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	1000	300180.00	26412085	05/08/2026	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	03/05/2022	Restricted stock vesting under a registered plan	Issuer			207	03/05/2022	Not Applicable
Common	08/15/2022	Restricted stock vesting under a registered plan	Issuer			186	08/15/2022	Not Applicable
Common	03/05/2023	Restricted stock vesting under a registered plan	Issuer			380	03/05/2023	Not Applicable
Common	08/15/2023	Restricted stock vesting under a registered plan	Issuer			227	08/15/2023	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	05/08/2026
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/ Felix V Matos Rodriguez
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)