Mueller Industries ($MLI) Insider Trading & Smart Money Activity

Mueller Industries, Inc. · Metal Fabrication · Latest filing May 8, 2026

Mueller Industries, Inc. ($MLI) has 3 13F position changes on file.

Insider buyers (12 mo): 0
Insider sellers (12 mo): 0
Net insider $ (12 mo): $0
Congress trades (12 mo): 0
13F moves on file: 3
Analyst ratings on file: 0

MLI insider buying and selling by quarter

Quarter	Congress buys / sales	13F added / cut
Q1 2026	0 / 0	0 / 0
Q2 2026	0 / 0	3 / 0
Q3 2026	0 / 0	0 / 0
Q4 2026	0 / 0	0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All MLI insider, congress, 13F and analyst activity

Date	Source	Who	Action	Shares	Value / amount	1W	1M	6M	Story
May 8, 2026	13F	William Blair Investment Management	Added	+329.82K sh	$259.14M	-3.1%	-5.1%		—
May 8, 2026	13F	William Blair Investment Management	Added	+329.82K sh	$291.33M	-3.1%	-5.1%		—
Apr 16, 2026	13F	Vaughan Nelson Investment Management, L.P.	Added	+110.25K sh	$94.36M	+14.8%	+15.1%	+3.1%	Read

1W / 1M / 6M = how MLI moved from the trade or filing date.

Institutions moving MLI (13F)

Frequently asked questions

Which institutions changed their MLI positions?

Recent 13F filers moving the stock include William Blair Investment Management and Vaughan Nelson Investment Management, L.P..

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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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