Updated Jul 16, 2026 · Last SEC filing 2026-07-15
Core Scientific, Inc./tx (CORZ) has filed 19 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-15. 8 Form 8-K material event filings were reported by CORZ in the last 90 days. 1 Form 144 notices of proposed sale were filed for CORZ stock. InsiderAlpha tracks every CORZ SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Finance Services (SIC 6199) |
|---|---|
| SEC CIK | 0001839341 |
| Form 4 filings (90d) | 19 |
|---|---|
| Form 8-K filings (90d) | 8 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-07-15 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| DUCHENE TODD M | See remarks | S — Open-market sale [10b5-1] | 9.7K | $22.43 | $218K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale [10b5-1] | 300 | $23.01 | $7K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 10.0K | $22.63 | $226K | SEC | |
| Sullivan Adam Taylor | Chief Executive Officer | F — Tax withholding / forfeiture | 18.0K | $25.59 | $461K | SEC | |
| DUCHENE TODD M | See remarks | F — Tax withholding / forfeiture | 5.5K | $25.59 | $140K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 1.1K | $27.42 | $30K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 100 | $27.95 | $3K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 8.8K | $25.99 | $229K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 7.6K | $29.11 | $221K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 2.4K | $29.88 | $72K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 9.9K | $28.19 | $279K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 100 | $28.79 | $3K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 4.5K | $27.11 | $122K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 5.5K | $26.64 | $147K | SEC | |
| DUCHENE TODD M | See remarks | S — Open-market sale | 5.5K | $28.76 | $158K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Core Scientific, Inc./tx (CORZ). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| DUCHENE TODD M | 27 | $3.64M |
| Sullivan Adam Taylor | 2 | $2.13M |
| Nygaard James P Jr | 1 | — |
| Smith Stephen M | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CORZ insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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