🕵️ DTE Energy Co ($DTE)
SEC insider & ownership activity, last 12 months · CIK 936340 · every row links its SEC filing
Over the last 12 months insiders sold $369K with no open-market buying against it. Lisa A Muschong sold $369K in discretionary trades (Aug–May). Capital Research Global Investors trimmed 9.1% → 6.8%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 1 seller, $369K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Lisa A Muschong | 0 | – | 2 | $369K | May 14, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 7.0% | 13G | Apr 29, 2026 | filing ↗ | |
| Capital Research Global Investors | 6.8% | 13G | Aug 13, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 5.7% | 13G | Apr 29, 2026 | filing ↗ | |
| Capital World Investors | 5.3% | 13G | May 14, 2026 | filing ↗ | |
| State Street Corporation | 5.1% | 13G | Aug 11, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Lisa A Muschong | $144K | May 14, 2026 | filing ↗ |
| Lisa A Muschong | $225K | Aug 14, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 28, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 22, 2026 | filing ↗ |
| Other events (8.01) | Jun 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 15, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | May 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 1, 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 ↗ |
| Reg FD disclosure (7.01) | Mar 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 23, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 16, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 9, 2026 | filing ↗ |
| Earnings (2.02) | Feb 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 27, 2026 | filing ↗ |
| Other events (8.01) | Feb 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 18, 2026 | filing ↗ |
| Earnings (2.02) | Feb 17, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 17, 2026 | filing ↗ |