TERAWULF INC. (WULF) — insider trading
TERAWULF INC. (WULF) has 91 reported SEC Form 4 insider transactions in our data, including 2 open-market purchases and 10 open-market sales among the most recent 91 (latest 2026-08-27).
Recent Form 4 transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-27 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 137,500 | $17.06 | $2.35M | Form 4 |
| 2026-08-17 | Bucella Michael C. | Director | Open-market purchase | 2,860 | $17.47 | $50.0K | Form 4 |
| 2026-08-16 | Tanimoto William Joseph | Officer (Chief Accounting Officer) | Option exercise / conversion (derivative) | 6,666 | — | — | Form 4 |
| 2026-08-16 | Tanimoto William Joseph | Officer (Chief Accounting Officer) | Option exercise / conversion | 6,666 | — | — | Form 4 |
| 2026-08-14 | Bucella Michael C. | Director | Open-market purchase | 3,023 | $16.54 | $50.0K | Form 4 |
| 2026-08-03 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Disposition to the issuer | 276,500 | — | — | Form 4 |
| 2026-08-01 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion (derivative) | 500,000 | — | — | Form 4 |
| 2026-08-01 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion | 500,000 | — | — | Form 4 |
| 2026-08-01 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion (derivative) | 500,000 | — | — | Form 4 |
| 2026-08-01 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion | 500,000 | — | — | Form 4 |
| 2026-06-30 | Bucella Michael C. | Director | Grant / award / vesting | 1,013 | — | — | Form 4 |
| 2026-06-30 | Carter Walter E. | Director | Grant / award / vesting | 1,266 | — | — | Form 4 |
| 2026-06-30 | Prager Lisa A. | Director | Grant / award / vesting | 1,013 | — | — | Form 4 |
| 2026-06-29 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 137,500 | $26.60 | $3.66M | Form 4 |
| 2026-06-24 | Tanimoto William Joseph | Officer (Chief Accounting Officer) | Option exercise / conversion (derivative) | 10,000 | — | — | Form 4 |
| 2026-06-24 | Tanimoto William Joseph | Officer (Chief Accounting Officer) | Option exercise / conversion | 10,000 | — | — | Form 4 |
| 2026-06-23 | Bucella Michael C. | Director | Grant / award / vesting (derivative) | 6,950 | — | $0 | Form 4 |
| 2026-06-23 | Bucella Michael C. | Director | Option exercise / conversion (derivative) | 56,023 | — | $0 | Form 4 |
| 2026-06-23 | Bucella Michael C. | Director | Option exercise / conversion | 56,023 | — | — | Form 4 |
| 2026-06-23 | Carter Walter E. | Director | Grant / award / vesting (derivative) | 6,950 | — | $0 | Form 4 |
| 2026-06-23 | Carter Walter E. | Director | Option exercise / conversion (derivative) | 56,023 | — | $0 | Form 4 |
| 2026-06-23 | Carter Walter E. | Director | Option exercise / conversion | 56,023 | — | — | Form 4 |
| 2026-06-23 | Fabiano Amanda | Director | Grant / award / vesting (derivative) | 6,950 | — | $0 | Form 4 |
| 2026-06-23 | Fabiano Amanda | Director | Option exercise / conversion (derivative) | 56,023 | — | $0 | Form 4 |
| 2026-06-23 | Fabiano Amanda | Director | Option exercise / conversion | 56,023 | — | — | Form 4 |
| 2026-06-23 | Motz Catherine J. | Director | Grant / award / vesting (derivative) | 6,950 | — | $0 | Form 4 |
| 2026-06-23 | Motz Catherine J. | Director | Option exercise / conversion (derivative) | 56,023 | — | $0 | Form 4 |
| 2026-06-23 | Motz Catherine J. | Director | Option exercise / conversion | 56,023 | — | — | Form 4 |
| 2026-06-23 | Pincus Steven T. | Director | Grant / award / vesting (derivative) | 7,818 | — | $0 | Form 4 |
| 2026-06-23 | Pincus Steven T. | Director | Option exercise / conversion (derivative) | 63,026 | — | $0 | Form 4 |
| 2026-06-23 | Pincus Steven T. | Director | Option exercise / conversion | 63,026 | — | — | Form 4 |
| 2026-06-23 | Prager Lisa A. | Director | Grant / award / vesting (derivative) | 6,950 | — | $0 | Form 4 |
| 2026-06-23 | Prager Lisa A. | Director | Option exercise / conversion (derivative) | 56,023 | — | $0 | Form 4 |
| 2026-06-23 | Prager Lisa A. | Director | Option exercise / conversion | 56,023 | — | — | Form 4 |
| 2026-05-27 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 56,801 | $26.57 | $1.51M | Form 4 |
| 2026-05-27 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 109,849 | $25.58 | $2.81M | Form 4 |
| 2026-05-26 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 166,650 | $24.43 | $4.07M | Form 4 |
| 2026-05-18 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion (derivative) | 327,054 | — | $0 | Form 4 |
| 2026-05-18 | Fleury Patrick | Officer (Chief Financial Officer) | Disposition to the issuer | 128,695 | — | — | Form 4 |
| 2026-05-18 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion | 327,054 | — | — | Form 4 |
| 2026-05-18 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion (derivative) | 327,054 | — | $0 | Form 4 |
| 2026-05-18 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Disposition to the issuer | 180,860 | — | — | Form 4 |
| 2026-05-18 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion | 327,054 | — | — | Form 4 |
| 2026-05-18 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Option exercise / conversion (derivative) | 817,634 | — | $0 | Form 4 |
| 2026-05-18 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Disposition to the issuer | 452,151 | — | — | Form 4 |
| 2026-05-18 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Option exercise / conversion | 817,634 | — | — | Form 4 |
| 2026-05-18 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 981,161 | — | $0 | Form 4 |
| 2026-05-18 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Disposition to the issuer | 542,582 | — | — | Form 4 |
| 2026-05-18 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 981,161 | — | — | Form 4 |
| 2026-05-06 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion (derivative) | 327,054 | — | — | Form 4 |
| 2026-05-06 | Fleury Patrick | Officer (Chief Financial Officer) | Disposition to the issuer | 128,695 | — | — | Form 4 |
| 2026-05-06 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion | 327,054 | — | — | Form 4 |
| 2026-05-06 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion (derivative) | 327,054 | — | — | Form 4 |
| 2026-05-06 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Disposition to the issuer | 180,860 | — | — | Form 4 |
| 2026-05-06 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion | 327,054 | — | — | Form 4 |
| 2026-05-06 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Option exercise / conversion (derivative) | 817,635 | — | — | Form 4 |
| 2026-05-06 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Disposition to the issuer | 452,152 | — | — | Form 4 |
| 2026-05-06 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Option exercise / conversion | 817,635 | — | — | Form 4 |
| 2026-05-06 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 981,162 | — | — | Form 4 |
| 2026-05-06 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Disposition to the issuer | 542,582 | — | — | Form 4 |
| 2026-05-06 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 981,162 | — | — | Form 4 |
| 2026-04-28 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 100 | $21.29 | $2.1K | Form 4 |
| 2026-04-28 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 79,100 | $20.62 | $1.63M | Form 4 |
| 2026-04-27 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 56,909 | $21.20 | $1.21M | Form 4 |
| 2026-04-27 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Open-market sale | 80,591 | $20.51 | $1.65M | Form 4 |
| 2026-04-24 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Option exercise / conversion (derivative) | 817,635 | — | — | Form 4 |
| 2026-04-24 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Open-market sale | 452,152 | — | — | Form 4 |
| 2026-04-24 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Option exercise / conversion | 817,635 | — | — | Form 4 |
| 2026-04-24 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion (derivative) | 327,054 | — | — | Form 4 |
| 2026-04-24 | Fleury Patrick | Officer (Chief Financial Officer) | Disposition to the issuer | 128,695 | — | — | Form 4 |
| 2026-04-24 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion | 327,054 | — | — | Form 4 |
| 2026-04-24 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 981,162 | — | — | Form 4 |
| 2026-04-24 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Disposition to the issuer | 542,582 | — | — | Form 4 |
| 2026-04-24 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 981,162 | — | — | Form 4 |
| 2026-04-24 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion (derivative) | 327,054 | — | — | Form 4 |
| 2026-04-24 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Disposition to the issuer | 180,860 | — | — | Form 4 |
| 2026-04-24 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion | 327,054 | — | — | Form 4 |
| 2026-04-14 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion (derivative) | 327,054 | — | — | Form 4 |
| 2026-04-14 | Fleury Patrick | Officer (Chief Financial Officer) | Disposition to the issuer | 121,612 | — | — | Form 4 |
| 2026-04-14 | Fleury Patrick | Officer (Chief Financial Officer) | Option exercise / conversion | 327,054 | — | — | Form 4 |
| 2026-04-14 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion (derivative) | 327,054 | — | — | Form 4 |
| 2026-04-14 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Disposition to the issuer | 180,860 | — | — | Form 4 |
| 2026-04-14 | Langlais Kerri M. | Director, Officer (Chief Strategy Officer) | Option exercise / conversion | 327,054 | — | — | Form 4 |
| 2026-04-14 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Option exercise / conversion (derivative) | 817,635 | — | — | Form 4 |
| 2026-04-14 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Disposition to the issuer | 444,992 | — | — | Form 4 |
| 2026-04-14 | Khan Nazar M. | Director, Officer (Chief Technology Officer) | Option exercise / conversion | 817,635 | — | — | Form 4 |
| 2026-04-14 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 981,162 | — | — | Form 4 |
| 2026-04-14 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Disposition to the issuer | 535,422 | — | — | Form 4 |
| 2026-04-14 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 981,162 | — | — | Form 4 |
| 2025-12-31 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 141,726 | — | — | Form 4 |
| 2025-12-31 | Prager Paul B. | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 141,726 | — | — | Form 4 |
Ask the chat about WULF's insider activity →
Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: TERAWULF INC. (WULF).
Last updated 2026-08-27 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.