Mason H. Matschke - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Mason H. Matschke has filed 2 SEC Form 4 filings across 1 company in the last 90 days - buying. Lifetime open-market purchases: $20K.
Profile
Mason H. Matschke holds the role of Director at EMPIRE PETROLEUM CORP (EP). Matschke has reported 4 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- EMPIRE PETROLEUM CORP
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Mason H. Matschke go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. The typical open-market purchase is $20K (1 buy totaling $20K). The largest single buy on record is $20K of EP in 2026. 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 Mason H. Matschke 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 EMPIRE PETROLEUM CORP (EP) - 4 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-18 | EP | EMPIRE PETROLEUM CORP | A - Grant or award | 10.0K | $0.00 | |
| 2026-06-02 | EP | EMPIRE PETROLEUM CORP | P - Open-market purchase | 7.8K | $2.54 | $20K |
| 2026-04-02 | EP | EMPIRE PETROLEUM CORP | M - Option exercise | 5.4K | $2.99 | $16K |
| 2024-11-18 | EP | EMPIRE PETROLEUM CORP | M - Option exercise | 36.1K | $5.05 | $182K |
Companies - Last 90 Days
- EMPIRE PETROLEUM CORP (EP) - 2 filings, last 2026-06-18
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Mason H. Matschke 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.
- Phil E. Mulacek - $1.93M of EP open-market activity in the last 12 months
- Michael R. Morrisett - $1.60M of EP open-market activity in the last 12 months
- Matthew E. Watson - $23K of EP open-market activity in the last 12 months
- Benjamin J. Marchive II - $6K of EP open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Neil Mehta
- Keith A. Meister
- MetLife Investment Management, LLC
- John Micek
- Andrew J. Mills
- Charles N. Mills
- Kevin J. Mills
- Mink Brook Asset Management LLC
Frequently Asked Questions
Who is Mason H. Matschke?
Mason H. Matschke holds the role of Director at EMPIRE PETROLEUM CORP (EP). Matschke has reported 4 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Mason H. Matschke submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Mason H. Matschke been buying or selling stock?
Recorded transactions: 1 open-market purchase ($20K) and 0 open-market sales across all tracked filings.
Where can I see all of Mason H. Matschke'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 Mason H. Matschke profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.