Gregory L. Christopher - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Gregory L. Christopher has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $50.56M.
Profile

Gregory L. Christopher is Chairman of the Board & CEO at MUELLER INDUSTRIES INC (MLI). Christopher has reported 5 insider filings with the SEC since 2025. The most recent filing was in April 2026.
| Role | Chairman of the Board & CEO, Director |
|---|---|
| Notability | 40/100 |
Board memberships
- MUELLER INDUSTRIES INC
Reported roles
- Chairman of the Board & CEO
Awards & honors
- Chairman of the Board
- CEO of Mueller Industries Inc
Trading Pattern
InsiderAlpha's records for Gregory L. Christopher go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Gregory L. Christopher has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chairman of the Board & CEO, Director at MUELLER INDUSTRIES INC (MLI) - 4 filings, 2025 to 2026
- Chairman of the Board CEO, Director at MUELLER INDUSTRIES INC (MLI) - 2 filings, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-31 | MLI | MUELLER INDUSTRIES INC | F - Tax withholding / forfeiture | 206.0K | $66.57 | $13.71M |
| 2026-07-31 | MLI | MUELLER INDUSTRIES INC | A - Grant or award | 270.0K | $0.00 | |
| 2026-04-29 | MLI | MUELLER INDUSTRIES INC | S - Open-market sale | 103.3K | $137.29 | $14.18M |
| 2026-02-28 | MLI | MUELLER INDUSTRIES INC | G - Bona-fide gift | 10.1K | $0.00 | |
| 2026-02-28 | MLI | MUELLER INDUSTRIES INC | G - Bona-fide gift | 16.5K | $0.00 | |
| 2025-10-27 | MLI | MUELLER INDUSTRIES INC | S - Open-market sale | 50.0K | $103.42 | $5.17M |
| 2025-10-27 | MLI | MUELLER INDUSTRIES INC | S - Open-market sale | 72.0K | $103.79 | $7.47M |
| 2025-10-27 | MLI | MUELLER INDUSTRIES INC | S - Open-market sale | 70.0K | $103.60 | $7.25M |
| 2025-10-27 | MLI | MUELLER INDUSTRIES INC | S - Open-market sale | 158.0K | $104.32 | $16.48M |
| 2025-08-04 | MLI | MUELLER INDUSTRIES INC | A - Grant or award | 90.0K | $0.00 | |
| 2025-07-30 | MLI | MUELLER INDUSTRIES INC | F - Tax withholding / forfeiture | 127.1K | $87.72 | $11.15M |
| 2025-07-30 | MLI | MUELLER INDUSTRIES INC | A - Grant or award | 150.0K | $0.00 |
Companies - Last 90 Days
- MUELLER INDUSTRIES INC (MLI) - 1 filing, last 2026-07-31
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Gregory L. Christopher has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Jeffrey Andrew Martin - $6.31M of MLI open-market activity in the last 12 months
- Scott Jay Goldman - $1.24M of MLI open-market activity in the last 12 months
- John B. Hansen - $406K of MLI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Michael Sean Griffey
- GS FUND HOLDINGS, L.L.C.
- Steve Handy
- Hanwha Aerospace Co., Ltd.
- Stayce D. Harris
- Harrison Street Real Assets Fund LLC
- Haveli Investments, L.P.
- Stephen J. Hemsley
Frequently Asked Questions
Who is Gregory L. Christopher?
Gregory L. Christopher is Chairman of the Board & CEO at MUELLER INDUSTRIES INC (MLI). Christopher has reported 5 insider filings with the SEC since 2025. The most recent filing was in April 2026.…
How many SEC Form 4 filings has Gregory L. Christopher submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Gregory L. Christopher been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($50.56M) across all tracked filings.
Where can I see all of Gregory L. Christopher's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Gregory L. Christopher profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.