CORZ · Insider Trading
Core Scientific, Inc. Common Stock
Every open-market purchase and sale reported by CORZ officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-20 | Todd M Duchene | See remarks | MIXED | −16,382 | −$231.00K |
| 2026-10-20 | Adam Taylor Sullivan | Chief Executive Officer | F | −21,839 | −$315.68K |
| 2026-10-14 | Todd M Duchene | See remarks | Sell | −10,000 | −$151.16K |
| 2026-10-07 | Todd M Duchene | See remarks | Sell | −10,000 | −$163.06K |
| 2026-10-05 | Adam Taylor Sullivan | Chief Executive Officer | F | −23,508 | −$375.66K |
| 2026-10-05 | Todd M Duchene | See remarks | F | −8,228 | −$131.48K |
| 2026-09-30 | Todd M Duchene | See remarks | Sell | −10,000 | −$167.59K |
| 2026-09-23 | Todd M Duchene | See remarks | Sell | −10,000 | −$183.75K |
| 2026-09-17 | Eric Stanton Weiss | Director | Buy | +6,000 | +$97.98K |
| 2026-09-16 | Todd M Duchene | See remarks | Sell | −10,000 | −$171.36K |
| 2026-09-10 | Todd M Duchene | See remarks | Sell | −10,000 | −$186.74K |
| 2026-09-02 | Todd M Duchene | See remarks | Sell | −10,000 | −$162.34K |
| 2026-08-26 | Todd M Duchene | See remarks | Sell | −10,000 | −$174.49K |
| 2026-08-24 | Elizabeth Crain | Director | Buy | +6,000 | +$109.99K |
| 2026-08-20 | Eric Stanton Weiss | Director | Buy | +7,000 | +$134.36K |
| 2026-08-19 | Todd M Duchene | See remarks | MIXED | −21,205 | −$426.53K |
| 2026-08-12 | Todd M Duchene | See remarks | Sell | −10,000 | −$199.74K |
| 2026-08-05 | Todd M Duchene | See remarks | Sell | −10,000 | −$222.34K |
| 2026-08-03 | Mark Adams | Director | A | +27,594 | — |
| 2026-07-29 | Todd M Duchene | See remarks | Sell | −10,000 | −$209.48K |
| 2026-07-22 | Todd M Duchene | See remarks | Sell | −10,000 | −$222.99K |
| 2026-07-20 | Todd M Duchene | See remarks | F | −4,325 | −$98.26K |
| 2026-07-20 | Adam Taylor Sullivan | Chief Executive Officer | F | −15,584 | −$354.07K |
| 2026-07-15 | Todd M Duchene | See remarks | Sell | −10,000 | −$224.47K |
| 2026-07-08 | Todd M Duchene | See remarks | Sell | −10,000 | −$226.25K |
| 2026-07-01 | Adam Taylor Sullivan | Chief Executive Officer | F | −18,023 | −$461.21K |
| 2026-07-01 | Todd M Duchene | See remarks | MIXED | −15,469 | −$401.61K |
| 2026-06-24 | Todd M Duchene | See remarks | Sell | −10,000 | −$292.94K |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| Adam Taylor Sullivan | Chief Executive Officer | 4,391,079 | $60.77M |
| Todd M Duchene | See remarks | 1,843,286 | $25.51M |
| Eric Stanton Weiss | Director | 265,262 | $3.67M |
| Elizabeth Crain | Director | 71,348 | $987.46K |
| Mark Adams | Director | 27,594 | $381.90K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the CORZ quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.