🕵️ DT Midstream, Inc. ($DTM)
SEC insider & ownership activity, last 12 months · CIK 1842022 · every row links its SEC filing
Over the last 12 months insiders sold $769K against $63K of open-market buying. Melissa Cox sold $497K in discretionary trades (Aug). Blackrock, Inc. added 9.9% → 10.1%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $63K (3 lots) · 2 sellers, $769K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Melissa Cox | 0 | – | 1 | $497K | Aug 11, 2025 |
| Peter I. Tumminello | 0 | – | 1 | $272K | Feb 26, 2026 |
| Jeffrey A. Jewell | 3 | $63K | 0 | – | May 15, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 10.1% | 13G | Oct 3, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 5.8% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Peter I. Tumminello | $273K | Feb 26, 2026 | filing ↗ |
| Melissa Cox | $497K | Aug 11, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | May 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 8, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 5, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Earnings (2.02) | Feb 19, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 27, 2026 | filing ↗ |
| Earnings (2.02) | Oct 30, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 17, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 17, 2025 | filing ↗ |
| Earnings (2.02) | Jul 31, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2025 | filing ↗ |