SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Westermeyer Gary

(Last)

(First)

(Middle)

1440 STAR ROUTE 100

(Street)

BLUFFS

62621

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/04/2017

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President, Refrigeration

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	8,292⁽¹⁾	D
Common Stock	3,919⁽²⁾	I	by spouse

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right-to-Buy)	⁽³⁾	07/24/2024	Common Stock	6,111	$23.56	D
Stock Option (Right-to-Buy)	⁽⁴⁾	07/24/2025	Common Stock	6,111	$26.52	D
Stock Option (Right-to-Buy)	⁽⁵⁾	07/24/2025	Common Stock	1,466	$26.52	I	by spouse

Explanation of Responses:

1. Includes 6,292 shares of restricted stock that will vest as follows: 1,509 on 7/30/2017; 385 on 7/30/2018; 600 on 7/30/2019; 600 on 7/30/2020; 800 on 7/30/2021. Also includes 2,000 shares that will vest on February 28, 2022, provided that either a diluted earnings per share (EPS)-related or total shareholder return (TSR)-related performance metric has been achieved.

2. Includes 1,525 shares of restricted stock that will vest as follows: 1,125 on 7/30/2017; 400 on 7/30/2021.

3. These options will vest as follows: 3,056 on 7/25/2017; 1,528 on 7/25/2018; 1,527 on 7/25/2019.

4. These options will vest as follows: 1,834 on 7/24/2018; 1,833 on 7/24/2019; 2,444 on 7/24/2020.

5. These options vested as follows: 440 on 7/24/2018; 440 on 7/24/2019; 586 on 7/24/2020.

Remarks:

	Anthony Steinriede, Attorney-in-Fact	05/08/2017
	** 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 5 (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.
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