AMG (NYSE: AMG) director trims stake with 1,000-share sale

Rhea-AI Filing Summary

Affiliated Managers Group director Felix V. Matos Rodriguez reported an open-market sale of company stock. He sold 1,000 shares of AMG common stock on May 8, 2026 at a price of $300.18 per share. After this transaction, he directly owns 4,369 shares of AMG common stock.

Insider Trade Summary

Net Seller: 1,000 shares ($300,180)

Net Sell 1 txn

Insider Matos Rodriguez Felix V.

Role null

Sold 1,000 shs ($300K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,000	$300.18	$300K

Holdings After Transaction: Common Stock — 4,369 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 1,000 shares Sale price: $300.18 per share Shares owned after sale: 4,369 shares +1 more

4 metrics

Shares sold 1,000 shares Open-market sale of AMG common stock on May 8, 2026

Sale price $300.18 per share Reported transaction price for the 1,000 shares sold

Shares owned after sale 4,369 shares Direct holdings of Felix V. Matos Rodriguez following the transaction

Net shares sold 1,000 shares Net sell direction based on transaction summary

Key Terms

Form 4, open-market sale, Common Stock, direct ownership

4 terms

Form 4 regulatory

"according to a Form 4 insider trading report filed with regulators"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

open-market sale financial

"He sold 1,000 shares of AMG common stock in an open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"1,000 shares of Affiliated Managers Group common stock were sold"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

direct ownership financial

"The Form 4 indicates the AMG shares are held directly by Felix V. Matos Rodriguez"

Form 4 Insider Transactions: What Each Field Means →

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^*

Matos Rodriguez Felix V.

(Last) (First) (Middle)

C/O AFFILIATED MANAGERS GROUP, INC.

1001 U.S. HIGHWAY ONE NORTH

(Street)

JUPITER FLORIDA 33477

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AFFILIATED MANAGERS GROUP, INC. [ AMG ]

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)
05/08/2026

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
Common Stock	05/08/2026		S		1,000	D	$300.18	4,369	D

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

Explanation of Responses:

	/s/ Kavita Padiyar, Attorney-in-Fact	05/08/2026
	** 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)

FAQ

What insider transaction did AMG director Felix V. Matos Rodriguez report?

Felix V. Matos Rodriguez reported an open-market sale of AMG shares. He sold 1,000 shares of Affiliated Managers Group common stock at $300.18 per share, as disclosed in a Form 4 insider trading report filed with regulators.

How many AMG shares does Felix V. Matos Rodriguez hold after this Form 4 filing?

After the disclosed sale, Felix V. Matos Rodriguez directly owns 4,369 shares of Affiliated Managers Group common stock. This post-transaction holding reflects the remaining shares he retains following the 1,000-share open-market sale reported on May 8, 2026.

Was the AMG insider transaction a purchase or a sale of shares?

The AMG insider transaction was a sale of shares. Director Felix V. Matos Rodriguez executed an open-market sale of 1,000 shares of Affiliated Managers Group common stock at a reported price of $300.18 per share on May 8, 2026.

What price per share did the AMG director receive in the reported sale?

In the reported transaction, the AMG director received $300.18 per share for the stock sold. The Form 4 filing specifies that 1,000 shares of Affiliated Managers Group common stock were sold at this exact price in an open-market transaction.

Does the Form 4 indicate whether the AMG shares are held directly or indirectly?

The Form 4 indicates the AMG shares are held directly by Felix V. Matos Rodriguez. The ownership code is listed as “D” for direct ownership, and the filing does not describe any indirect holding structures such as trusts or partnerships for this transaction.