Updated Jul 16, 2026 · Last SEC filing 2026-07-02
TERAWULF INC. (WULF) has filed 25 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 4 Form 8-K material event filings were reported by WULF in the last 90 days. 3 Form 144 notices of proposed sale were filed for WULF stock. InsiderAlpha tracks every WULF 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 | 0001083301 |
| Form 4 filings (90d) | 25 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 3 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Bucella Michael C. | Director | A — Grant or award | 1.0K | — | — | SEC | |
| Carter Walter E. | Director | A — Grant or award | 1.3K | — | — | SEC | |
| Prager Lisa A. | Director | A — Grant or award | 1.0K | — | — | SEC | |
| Prager Paul B. | Chief Executive Officer | S — Open-market sale | 137.5K | $26.60 | $3.66M | SEC | |
| Tanimoto William Joseph | Chief Accounting Officer | M — Option exercise | 10.0K | — | — | SEC | |
| Prager Lisa A. | Director | M — Option exercise | 56.0K | — | — | SEC | |
| Bucella Michael C. | Director | M — Option exercise | 56.0K | — | — | SEC | |
| Pincus Steven T. | Director | M — Option exercise | 63.0K | — | — | SEC | |
| Carter Walter E. | Director | M — Option exercise | 56.0K | — | — | SEC | |
| Motz Catherine J. | Director | M — Option exercise | 56.0K | — | — | SEC | |
| Fabiano Amanda | Director | M — Option exercise | 56.0K | — | — | SEC | |
| Prager Paul B. | Chief Executive Officer | S — Open-market sale | 109.8K | $25.58 | $2.81M | SEC | |
| Prager Paul B. | Chief Executive Officer | S — Open-market sale | 56.8K | $26.57 | $1.51M | SEC | |
| Prager Paul B. | Chief Executive Officer | S — Open-market sale | 166.7K | $24.43 | $4.07M | SEC | |
| Langlais Kerri M. | Chief Strategy Officer | D — Derivative transaction | 180.9K | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for TERAWULF INC. (WULF). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Prager Paul B. | 17 | $16.54M |
| Khan Nazar M. | 9 | — |
| Fleury Patrick | 9 | — |
| Langlais Kerri M. | 9 | — |
| Carter Walter E. | 4 | — |
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 WULF 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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