Matschke Mason H. (CIK 1861698) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-18). Recent activity: Buy EP (10,000 shares), Buy EP (7,777 shares), Buy EP (5,402 shares), Buy EP (10,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-18 | EMPIRE PETROLEUM CORP (EP) | Director | Buy | 10,000 | $0 |
| 2026-06-02 | EMPIRE PETROLEUM CORP (EP) | Director | Buy | 7,777 | $19,754 |
| 2026-04-02 | EMPIRE PETROLEUM CORP (EP) | Director | Buy | 5,402 | $16,152 |
| 2025-04-17 | EMPIRE PETROLEUM CORP (EP) | Director | Buy | 10,000 | $0 |
Source: SEC Form 4 filings · as of 2026-06-18