MUELLER INDUSTRIES INC
MLI · Rolling Drawing & Extruding of Nonferrous Metals · 110.6M shares · +19%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: -$4M (gross $19M, SBC $23M)
Reference price $127.91 · est. market cap ~$14.1B — last insider sale, 2026-05-29 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
A86Market-leading copper/brass products maker posting top-decile returns with a pristine balance sheet.
Strengths
- ROA 96.8th pct (20.5%), operating margin 89.8th pct, net margin 84.8th pct; ROE 23.8% (80th pct)
- Revenue +10.9% and net income +26.5% with $1.39B cash and current ratio 5.9 (fortress balance sheet)
Risks
- Commodity copper-spread exposure makes earnings cyclical with housing/construction
- FIFO margin swings in volatile metal-cost periods
Notable findings
- Strong balance sheetStrong balance sheet — $1.4B cash & investments
- Insider sellingInsider selling — 4 open-market sale(s) by 3 insider(s) (cluster of 3 insiders, ~$15M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Operating margin
22.9%
Net margin
18.3%
Return on equity
23.8%
Return on assets
20.5%
Revenue growth (QoQ)
24.0%
Net-income growth
26.5%
Current ratio
5.9×
EBITDA
$1.0B
Tangible book value
$2.6B
Cash & investments
$1.4B
Stock comp / revenue
0.6%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-05-29 | GOLDMAN SCOTT JAY | Sell | 2.0K | $127.91 |
| 2026-05-08 | Herzog Charles P Jr | Gift | 1.2K | — |
| 2026-05-08 | Herzog Charles P Jr | Gift | 1.2K | — |
| 2026-05-08 | Drummond William C. | Grant | 1.2K | — |
| 2026-05-08 | HANSEN JOHN B | Grant | 1.2K | — |
| 2026-05-08 | GOLDMAN SCOTT JAY | Grant | 1.2K | — |
| 2026-05-08 | HERMANSON TERRY | Grant | 1.2K | — |
| 2026-05-08 | GLADSTEIN GARY S | Grant | 1.2K | — |
| 2026-05-08 | DONOVAN ELIZABETH M | Grant | 1.2K | — |
| 2026-05-08 | Herzog Charles P Jr | Grant | 1.2K | — |
| 2026-05-01 | GLADSTEIN GARY S | Option exercise | 9.8K | $12.62 |
| 2026-05-01 | GLADSTEIN GARY S | Tax withheld | 919 | $134.24 |
| 2026-04-27 | Christopher Gregory L. | Sell | 103K | $137.29 |
| 2026-02-26 | HERMANSON TERRY | Gift | 14K | — |
| 2026-02-25 | Christopher Gregory L. | Gift | 17K | — |
| 2026-02-25 | Christopher Gregory L. | Gift | 10K | — |
| 2026-02-13 | GOLDMAN SCOTT JAY | Sell | 4.4K | $118.97 |
| 2026-02-09 | HANSEN JOHN B | Sell | 1.0K | $116.71 |
| 2026-02-05 | GOLDMAN SCOTT JAY | Option exercise | 5.0K | $12.62 |
| 2026-02-05 | GOLDMAN SCOTT JAY | Tax withheld | 548 | $114.64 |
| 2025-11-25 | GOLDMAN SCOTT JAY | Sell | 4.2K | $108.64 |
| 2025-11-19 | GOLDMAN SCOTT JAY | Option exercise | 4.8K | $12.62 |
| 2025-11-19 | GOLDMAN SCOTT JAY | Tax withheld | 566 | $106.92 |
| 2025-10-27 | Christopher Gregory L. | Sell | 50K | $103.42 |
| 2025-10-24 | Christopher Gregory L. | Sell | 70K | $103.60 |
| 2025-10-24 | Christopher Gregory L. | Sell | 72K | $103.79 |
| 2025-10-23 | Christopher Gregory L. | Sell | 158K | $104.32 |
| 2025-10-23 | HANSEN JOHN B | Sell | 1.0K | $105.71 |
| 2025-08-29 | Martin Jeffrey Andrew | Sell | 66K | $95.61 |
| 2025-08-18 | Miritello Christopher John | Option exercise | 5.3K | $12.29 |
| 2025-08-12 | HANSEN JOHN B | Sell | 1.0K | $91.97 |
| 2025-08-12 | HANSEN JOHN B | Sell | 1.0K | $91.94 |
| 2025-08-04 | Miritello Christopher John | Grant | 6.5K | — |
| 2025-08-04 | Martin Jeffrey Andrew | Grant | 24K | — |
| 2025-08-04 | Christopher Gregory L. | Grant | 90K | — |
| 2025-07-30 | Miritello Christopher John | Grant | 15K | — |
| 2025-07-30 | Martin Jeffrey Andrew | Grant | 48K | — |
| 2025-07-30 | Martin Jeffrey Andrew | Tax withheld | 44K | $87.72 |
| 2025-07-30 | Miritello Christopher John | Tax withheld | 14K | $87.72 |
| 2025-07-30 | Christopher Gregory L. | Grant | 150K | — |
| 2025-07-30 | Christopher Gregory L. | Tax withheld | 127K | $87.72 |
| 2025-07-30 | Sigloch Steffen | Grant | 44K | — |
| 2025-07-30 | Sigloch Steffen | Tax withheld | 45K | $87.72 |
| 2025-07-02 | Sigloch Steffen | Sell | 18K | $82.62 |
| 2025-07-01 | Sigloch Steffen | Sell | 1.8K | $82.50 |
| 2025-05-12 | HANSEN JOHN B | Sell | 3.1K | $78.07 |
| 2025-05-12 | Sigloch Steffen | Sell | 20K | $77.67 |
| 2025-05-12 | Sigloch Steffen | Sell | 20K | $77.67 |
| 2025-05-12 | HANSEN JOHN B | Gift | 250 | — |
| 2025-05-08 | Drummond William C. | Grant | 2.1K | — |
| 2025-05-08 | HANSEN JOHN B | Grant | 2.1K | — |
| 2025-05-08 | HERMANSON TERRY | Grant | 2.1K | — |
| 2025-05-08 | DONOVAN ELIZABETH M | Grant | 2.1K | — |
| 2025-05-08 | Herzog Charles P Jr | Grant | 2.1K | — |
| 2025-05-08 | Herzog Charles P Jr | Gift | 2.1K | — |
| 2025-05-08 | Herzog Charles P Jr | Gift | 2.1K | — |
| 2025-05-08 | GLADSTEIN GARY S | Grant | 2.1K | — |
| 2025-05-08 | GOLDMAN SCOTT JAY | Grant | 2.1K | — |
| 2025-05-06 | HERMANSON TERRY | Sell | 10K | $74.34 |
| 2025-04-30 | GLADSTEIN GARY S | Option exercise | 9.8K | $14.39 |
| 2025-04-29 | GOLDMAN SCOTT JAY | Sell | 16K | $73.46 |
| 2025-04-03 | Sigloch Steffen | Sell | 20K | $74.86 |
| 2025-03-11 | Sigloch Steffen | Sell | 3.6K | $82.62 |
| 2025-03-10 | Sigloch Steffen | Sell | 12K | $82.56 |
| 2025-02-28 | Sigloch Steffen | Sell | 27K | $79.15 |
| 2025-02-13 | GOLDMAN SCOTT JAY | Sell | 10K | $79.81 |
| 2025-02-06 | GOLDMAN SCOTT JAY | Option exercise | 9.8K | $14.39 |
| 2025-02-06 | GOLDMAN SCOTT JAY | Tax withheld | 1.8K | $80.14 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-02 | OtherExhibits | filing ↗ |
| 2026-05-11 | Shareholder voteOtherExhibits | filing ↗ |
| 2026-04-21 | ResultsExhibits | filing ↗ |
| 2026-03-30 | Material agreementDebt obligationExhibits | filing ↗ |
| 2026-02-20 | OtherExhibits | filing ↗ |
| 2026-02-03 | ResultsExhibits | filing ↗ |
| 2025-11-07 | OtherExhibits | filing ↗ |
| 2025-10-21 | ResultsExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-02 | 2026-06-02 | 0000089439-26-000025 ↗ |
| 8-K | 2026-05-11 | 2026-05-07 | 0000089439-26-000021 ↗ |
| 10-Q | 2026-04-22 | 2026-03-28 | 0000089439-26-000018 ↗ |
| 8-K | 2026-04-21 | 2026-04-21 | 0000089439-26-000014 ↗ |
| 8-K | 2026-03-30 | 2026-03-27 | 0000089439-26-000012 ↗ |
| 10-K | 2026-02-25 | 2025-12-27 | 0000089439-26-000008 ↗ |
| 8-K | 2026-02-20 | 2026-02-19 | 0000089439-26-000004 ↗ |
| 8-K | 2026-02-03 | 2026-02-03 | 0000089439-26-000002 ↗ |
| 8-K | 2025-11-07 | 2025-11-07 | 0000089439-25-000060 ↗ |
| 10-Q | 2025-10-22 | 2025-09-27 | 0000089439-25-000058 ↗ |
| 8-K | 2025-10-21 | 2025-10-21 | 0000089439-25-000055 ↗ |
| 8-K | 2025-07-31 | 2025-07-31 | 0000089439-25-000050 ↗ |