Sicinski Matthew B. (CIK 1911802) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Sell SMC (1,525 shares), Buy SMC (6,139 shares), Buy SMC (1,511 shares), Sell SMC (368 shares), Buy SMC (3,174 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | Summit Midstream Corp (SMC) | Senior VP and CAO | Sell | 1,525 | $46,192 |
| 2026-03-17 | Summit Midstream Corp (SMC) | Senior VP and CAO | Buy | 6,139 | $0 |
| 2026-03-17 | Summit Midstream Corp (SMC) | Senior VP and CAO | Buy | 1,511 | $0 |
| 2026-03-17 | Summit Midstream Corp (SMC) | Senior VP and CAO | Sell | 368 | $11,147 |
| 2026-03-17 | Summit Midstream Corp (SMC) | Senior VP and CAO | Buy | 3,174 | $0 |
| 2026-03-17 | Summit Midstream Corp (SMC) | Senior VP and CAO | Sell | 773 | $23,414 |
| 2026-01-21 | Summit Midstream Corp (SMC) | Senior VP and CAO | Buy | 3,593 | $0 |
| 2026-01-21 | Summit Midstream Corp (SMC) | Senior VP and CAO | Sell | 1,066 | $28,579 |
| 2025-03-18 | Summit Midstream Corp (SMC) | Senior VP and CAO | Buy | 1,746 | $0 |
| 2025-03-18 | Summit Midstream Corp (SMC) | Senior VP and CAO | Sell | 426 | $15,949 |
| 2025-03-18 | Summit Midstream Corp (SMC) | Senior VP and CAO | Buy | 2,531 | $0 |
| 2025-03-18 | Summit Midstream Corp (SMC) | Senior VP and CAO | Sell | 617 | $23,100 |
| 2025-03-18 | Summit Midstream Corp (SMC) | Senior VP and CAO | Buy | 3,175 | $0 |
| 2025-03-18 | Summit Midstream Corp (SMC) | Senior VP and CAO | Sell | 774 | $28,979 |
| 2025-01-22 | Summit Midstream Corp (SMC) | Senior VP and CAO | Buy | 3,593 | $0 |
| 2025-01-22 | Summit Midstream Corp (SMC) | Senior VP and CAO | Sell | 1,066 | $44,314 |
Source: SEC Form 4 filings · as of 2026-03-17