Gary S. Gladstein - 01 May 2026 Form 4 Insider Report for MUELLER INDUSTRIES INC (MLI)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
04 May 2026, 15:44:58 UTC
Prior SEC filing
12 May 2025
Next SEC filing
11 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Anthony J. Steinriede, Attorney-in-Fact

Key filing fact

Gary S. Gladstein filed Form 4 for MUELLER INDUSTRIES INC (MLI) on 04 May 2026.

Key facts

  • This page summarizes Gary S. Gladstein's Form 4 filing for MUELLER INDUSTRIES INC (MLI).
  • 3 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 04 May 2026, 15:44.

Change

  • Previous filing in this sequence was filed on 12 May 2025.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001186204 Primary reporting owner

GLADSTEIN GARY S

Relationship
Director
Address
400 SE 5TH AVENUE NORTH 706, BOCA RATON
Signature
Anthony J. Steinriede, Attorney-in-Fact
Signature date
04 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MLI transaction

Common Stock

Options Exercise

Transaction value
Shares
+9,778
Change %
+44%
Price
$12.62*
Shares after
31,797
Date
01 May 2026
Ownership
Direct
MLI transaction

Common Stock

Tax liability

Transaction value
Shares
-919
Change %
-2.9%
Price
$134.24*
Shares after
30,878
Date
01 May 2026
Ownership
Direct
MLI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
290,206
Date
01 May 2026
Ownership
trust where he serves as beneficiary

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MLI transaction Derivative

Stock Option (Right-to-Buy)

Options Exercise

Transaction value
Shares
-9,778
Change %
-100%
Price
$0.000000*
Shares after
0
Date
01 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
9,778
Exercise price
$12.62
* marks a reported price that did not pass the local price check.
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