InsiderTrades

Form 4 for MLI MUELLER INDUSTRIES INC

Accepted 2026-05-04 15:44:58 ET · period of report 2026-05-01 · accession 0001186204-26-000001 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-05-04 15:44 2026-05-01 MLI GLADSTEIN GARY S Dir M - OptEx $12.62 +9,778 31.8K +44% +$123.4K
D 2026-05-04 15:44 2026-05-01 MLI GLADSTEIN GARY S Dir F - Tax $134.24 -919 30.9K -3% -$123.4K
D 2026-05-04 15:44 2026-05-01 MLI GLADSTEIN GARY S Dir M - OptEx $0.00 -9,778 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-01 M A 9,778 $12.62 31,797 D — —
2 Common Common Stock 2026-05-01 F D 919 $134.24 30,878 D — —
3 Derivative Stock Option (Right-to-Buy) 2026-05-01 M D 9,778 $0.00 0 D $12.62 · 2016-05-04 to 2026-05-04 9,778 Common Stock