Anthony Steinriede - 26 Oct 2021 Form 4 Insider Report for MUELLER INDUSTRIES INC (MLI)

Role: VP - Corporate Controller
Signature: /s/ Anthony Steinriede
Issuer symbol: MLI
Transactions as of: 26 Oct 2021
Net transactions value: +$47.64
Form type: 4
Filing time: 27 Oct 2021, 15:24:24 UTC
Previous filing: 03 Aug 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLI	Common Stock	Options Exercise	$162,064	+6,111	+30%	$26.52	26,699	26 Oct 2021	Direct
transaction	MLI	Common Stock	Tax liability	$162,016	-3,113	-12%	$52.04	23,586	26 Oct 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MLI	Stock Option (Right-to-Buy)	Options Exercise	$0	-6,111	-100%	$0.000000^*	0	26 Oct 2021	Common Stock	6,111	$26.52	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These options vested as follows: 1,834 on 7/24/2018; 1,833 on 7/24/2019; 2,444 on 7/24/2020.