Insiders / Sicinski Matthew B.
Sicinski Matthew B.
CIK 1911802personinsider
Companies
1
First seen
Jan 21, 2026
Last activity
Mar 17, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Summit Midstream Corp · SMC | 39,505 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Summit Midstream Corp | Common Stock | 39,505 |
| Summit Midstream Corp | Corporation Restricted Stock UnitsDerivative | 29,712 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 13, 2026 | Other | SMC Summit Midstream Corp Common Stock | $46.2K | -2K -4.07% | 35,961 0.18% of shares | low |
| Jan 16, 2026 | Other | SMC Summit Midstream Corp Common Stock | $28.6K | -1K -3.29% | 31,347 0.15% of shares | low |
| Mar 13, 2026 | Other | SMC Summit Midstream Corp Common Stock | $23.4K | -773 -1.92% | 39,505 0.19% of shares | low |
| Mar 13, 2026 | Other | SMC Summit Midstream Corp Common Stock | $11.1K | -368 -0.98% | 37,104 0.18% of shares | low |
| Mar 16, 2026 | Grant | SMC Summit Midstream Corp Corporation Restricted Stock Units | — | +6K +23.70% | 29,712 0.15% of shares | low |
| Mar 16, 2026 | Grant | SMC Summit Midstream Corp Corporation Restricted Stock Units | — | +6K +30.70% | 24,230 0.12% of shares | low |
| Mar 13, 2026 | Exercise | SMC Summit Midstream Corp Corporation Restricted Stock Units | — | -3K -14.62% | 18,538 0.09% of shares | low |
| Mar 13, 2026 | Exercise | SMC Summit Midstream Corp Corporation Restricted Stock Units | — | -2K -6.51% | 21,712 0.11% of shares | low |
| Mar 13, 2026 | Exercise | SMC Summit Midstream Corp Corporation Restricted Stock Units | — | -6K -20.91% | 23,223 0.11% of shares | low |
| Mar 13, 2026 | Exercise | SMC Summit Midstream Corp Common Stock | — | +3K +8.55% | 40,278 0.20% of shares | low |