AMG insider files Form 144 to sell 8,000 shares

AMG reported a disposition of 8,000 common shares via Morgan Stanley Smith Barney LLC.

Rhea-AI Filing Summary

AMG reported a disposition of 8,000 common shares via Morgan Stanley Smith Barney LLC. The shares are described as restricted stock vesting under a registered plan and are tied to a 03/05/2026 vesting event. The Form 144 lists an aggregate value of $2,290,383.20.

FAQ

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

What did AMG disclose in its Form 144?

AMG disclosed the intended disposition of 8,000 common shares tied to restricted stock vesting. The filing lists the transaction as effected through Morgan Stanley Smith Barney LLC with a vesting date of 03/05/2026 and an aggregate value of $2,290,383.20.

Who handled the sale reported on AMG's Form 144?

The broker-dealer identified is Morgan Stanley Smith Barney LLC, Executive Financial Services, New York. The Form 144 shows the sale channel and lists the broker-dealer address and that the shares were related to restricted stock vesting on 03/05/2026.

How many AMG shares are being disposed and what type are they?

The filing shows a disposition of 8,000 common shares, characterized as restricted stock vesting under a registered plan. The vesting and disposition dates are listed as 03/05/2026 in the Form 144 excerpt.

What monetary amount is associated with AMG's Form 144 transaction?

The Form 144 lists an aggregate value of $2,290,383.20 associated with the 8,000 shares. That figure appears on the filing alongside the broker and transaction date of 03/05/2026.

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

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Accepted by SEC EDGAR 03/06/2026 - 04:15 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	0001776685
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	THOMAS WOJCIK
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	8000	2290383.20	26684730	03/06/2026	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	03/05/2026	Restricted stock vesting under a registered plan	Issuer			8000	03/05/2026	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	03/06/2026
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/ Thomas Mark Wojcik
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)