🕵️ CORE Scientific, INC./TX ($CORZ)
SEC insider & ownership activity, last 12 months · CIK 1839341 · every row links its SEC filing
Over the last 12 months insiders sold $5.4M against $752K of open-market buying. Todd M. Duchene sold $5.4M through a 10b5-1 trading plan in 42 lots (Apr–Sep). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $752K (5 lots) · 1 seller, $5.4M (42 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Todd M. Duchene | 0 | – | 42 | $5.4M | Sep 14, 2026 |
| Weiss Eric Stanton | 3 | $344K | 0 | – | Aug 18, 2026 |
| Rozov Yadin | 1 | $298K | 0 | – | Nov 12, 2025 |
| Crain Elizabeth | 1 | $110K | 0 | – | Aug 20, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.8% | 13G | Jul 16, 2025 | filing ↗ | |
| Jericho Capital Asset Management L.P. | 7.2% | 13G | Aug 14, 2026 | filing ↗ | |
| Josh Resnick | 7.2% | 13G | Aug 14, 2026 | filing ↗ | |
| Kenneth Griffin | 6.5% | 13G | Aug 5, 2026 | filing ↗ | |
| JANE Street Group, LLC | 6.3% | 13G | Aug 12, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 6.0% | 13G | Apr 29, 2026 | filing ↗ | |
| JANE Street Capital, LLC | 5.9% | 13G | Aug 12, 2026 | filing ↗ | |
| Valiant Capital Management, L.P. | 5.3% | 13G | Aug 14, 2026 | filing ↗ | |
| Valiant Capital Management, LLC | 5.3% | 13G | Aug 14, 2026 | filing ↗ | |
| Christopher R. Hansen | 5.3% | 13G | Aug 14, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.1% | 13G | Jul 31, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| TODD Duchene Revocable Trust | $3.0M | Jul 6, 2026 | filing ↗ |
| TODD Duchene Revocable Trust | $2.1M | Apr 1, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Sep 10, 2026 | filing ↗ |
| Material agreement (1.01) | Aug 25, 2026 | filing ↗ |
| New financial obligation (2.03) | Aug 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 13, 2026 | filing ↗ |
| Other events (8.01) | Aug 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 13, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 29, 2026 | filing ↗ |
| 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 ↗ |
| Unregistered equity sale (3.02) | Jul 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 27, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 26, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Material agreement (1.01) | May 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 27, 2026 | filing ↗ |