Kenneth L. Stewart - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Kenneth L. Stewart has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Kenneth L. Stewart serves as Director of Matador Resources Co (MTDR). Stewart has reported 1 insider filing with the SEC since 2026. The most recent filing was in June 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- Matador Resources Co
Reported roles
- Director
Awards & honors
- Director, Matador Resources Co. (as of 2026-06-15)
Trading Pattern
InsiderAlpha's records for Kenneth L. Stewart 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 Kenneth L. Stewart 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 Matador Resources Co (MTDR) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-15 | MTDR | Matador Resources Co | A - Grant or award | 3.6K | $0.00 |
Companies - Last 90 Days
- Matador Resources Co (MTDR) - 1 filing, last 2026-06-15
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Kenneth L. Stewart 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.
- Joseph Wm Foran - $1.57M of MTDR open-market activity in the last 12 months
- Shelley F. Appel - $287K of MTDR open-market activity in the last 12 months
- Christopher P. Calvert - $226K of MTDR open-market activity in the last 12 months
- Susan M. Ward - $195K of MTDR open-market activity in the last 12 months
- Glenn W. Stetson - $106K of MTDR open-market activity in the last 12 months
- Robert T. Macalik - $98K of MTDR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- James M. Kilts
- Richard D. Kinder
- Steven B. Klinsky
- Adam Koppel
- Kenneth Krogulski
- L1 Capital Pty Ltd
- LAZARUS ENERGY HOLDINGS, LLC
- Sang Young Lee
Frequently Asked Questions
Who is Kenneth L. Stewart?
Kenneth L. Stewart serves as Director of Matador Resources Co (MTDR). Stewart has reported 1 insider filing with the SEC since 2026. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Kenneth L. Stewart submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Kenneth L. Stewart'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 Kenneth L. Stewart profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.