Mueller Industries (NYSE: MLI) CFO sells 86,209 shares

Rhea-AI Filing Summary

MUELLER INDUSTRIES INC executive Jeffrey Andrew Martin, EVP, CFO & Treasurer, reported selling 86,209 shares of common stock on 2026-08-13. The shares were sold at a weighted average price of $67.033 per share in multiple transactions priced between $66.59 and $67.39, inclusive. Following these sales, he directly holds 572,716 common shares.

Insider Trade Summary

Net Seller: 86,209 shares

Net Sell 1 txn

Insider Martin Jeffrey Andrew

Role EVP, CFO & Treasurer

Sold 86,209 shs ($5.78M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	86,209	$67.033	$5.78M

Holdings After Transaction: Common Stock — 572,716 shares (Direct)

Footnotes (1)

1. F1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.59 to $67.39, inclusive.

Key Figures

Shares sold: 86,209 shares Weighted average sale price: $67.033 per share Sale price range: $66.59–$67.39 per share +1 more

4 metrics

Shares sold 86,209 shares Non-derivative sale of common stock on 2026-08-13

Weighted average sale price $67.033 per share Weighted average for multiple sale transactions on 2026-08-13

Sale price range $66.59–$67.39 per share Price range of multiple transactions included in the reported sale

Shares held after transaction 572,716 shares Direct ownership of MLI common stock following the reported sale

Key Terms

weighted average price, non-derivative, open market or private transaction

3 terms

weighted average price financial

"The price reported is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

non-derivative financial

"transaction_type: "non-derivative" for the Common Stock sale"

open market or private transaction financial

"transaction_code_description: "Sale in open market or private transaction""

FAQ

What insider transaction did MLI executive Jeffrey Andrew Martin report?

Jeffrey Andrew Martin reported a sale of 86,209 MUELLER INDUSTRIES INC (MLI) shares on 2026-08-13. The sale was of common stock and reflects a change in his directly held equity position in the company.

At what price did MLI’s CFO sell his shares on 2026-08-13?

The shares were sold at a weighted average price of $67.033 per MLI share. According to the disclosure, the trades occurred in multiple transactions at prices ranging from $66.59 to $67.39, inclusive.

How many MUELLER INDUSTRIES INC (MLI) shares does Jeffrey Andrew Martin hold after this sale?

After the reported sale, Jeffrey Andrew Martin directly holds 572,716 MLI common shares. This post-transaction holding represents his remaining direct ownership as disclosed in the Form 4 filing for the 2026-08-13 transaction.

What type of transaction did MLI’s CFO report in this Form 4?

The Form 4 reports a sale transaction of MUELLER INDUSTRIES INC common stock by the CFO. It is classified as a non-derivative transaction, described as a sale in an open market or private transaction, executed across multiple trades.

Did the MLI Form 4 indicate a price range for the CFO’s share sale?

Yes. The filing notes the shares were sold in multiple transactions with prices ranging from $66.59 to $67.39, inclusive. The reported transaction price of $67.033 represents a weighted average across those individual trades.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/17/2026 - 04:17 PM Accepted by SEC EDGAR 08/17/2026 - 04:17 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^*

Martin Jeffrey Andrew

(Last) (First) (Middle)

5435 COLLINGWOOD COVE

(Street)

MEMPHIS TENNESSEE 38120

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MUELLER INDUSTRIES INC [ MLI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, CFO & Treasurer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2026

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	08/13/2026		S		86,209	D	$67.033(1)	572,716	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:

1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.59 to $67.39, inclusive.

Remarks:

	Anthony J. Steinriede, Attorney-in-Fact	08/17/2026
	** 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)