William C. Drummond - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
William C. Drummond has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
William C. Drummond serves as Director of MUELLER INDUSTRIES INC (MLI). Drummond has reported 1 insider filing with the SEC since 2026. The most recent filing was in May 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- MUELLER INDUSTRIES INC
Reported roles
- Director
Awards & honors
- Director of Mueller Industries Inc. (as of 2026-05-11)
Trading Pattern
InsiderAlpha's records for William C. Drummond go back to 2026: 1 primary Form 4 filing, an average of 1.0 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 William C. Drummond 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.
- Director at MUELLER INDUSTRIES INC (MLI) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-11 | MLI | MUELLER INDUSTRIES INC | A - Grant or award | 1.2K | $0.00 |
Companies - Last 90 Days
- MUELLER INDUSTRIES INC (MLI) - 1 filing, last 2026-05-11
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies William C. Drummond 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.
- Gregory L. Christopher - $50.56M of MLI open-market activity in the last 12 months
- 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:
- Gregg Williams
- Stephen T. Wills
- WINMILL CO. INC
- Caroline Young
- Jeffrey Yu
- George Raymond Zage III
- Payam Zamani
- Mahkam Zanganeh
Frequently Asked Questions
Who is William C. Drummond?
William C. Drummond serves as Director of MUELLER INDUSTRIES INC (MLI). Drummond has reported 1 insider filing with the SEC since 2026. The most recent filing was in May 2026.…
How many SEC Form 4 filings has William C. Drummond submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of William C. Drummond'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 William C. Drummond profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.