WULF insider transaction filings
TERAWULF INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-16. Screen WULF transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 20 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 3 legs across 2 filings by 1 insider — 11,968 shares, $189,916 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 4 legs across 4 filings by 3 insiders — 461,649 shares, $8,978,355 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 32.
- Largest priced transaction: sale of 137,500 shares @ $26.60 ($3,656,950) by Prager Paul B., filed 2026-07-01.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Prager Paul B. — Chief Executive Officer, Director | 2 | — | 2 legs · 275,000 sh · $6,002,604 | — |
| Carter Walter E. — Director | 3 | — | 1 leg · 130,626 sh · $1,977,808 | 4 |
| Motz Catherine J. — Director | 2 | — | 1 leg · 56,023 sh · $997,943 | 3 |
| Bucella Michael C. — Director | 4 | 3 legs · 11,968 sh · $189,916 | — | 4 |
| Prager Lisa A. — Director | 2 | — | — | 4 |
| Tanimoto William Joseph — Chief Accounting Officer | 2 | — | — | 4 |
| Fabiano Amanda — Director | 1 | — | — | 3 |
| Langlais Kerri M. — Chief Strategy Officer, Director | 1 | — | — | 3 |
| Pincus Steven T. — Director | 1 | — | — | 3 |
| Fleury Patrick — Chief Financial Officer | 1 | — | — | 2 |
+1 more insider in the window, not shown — every filing appears in the table below.
Recent Form 4 filings — TERAWULF INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Bucella Michael C. — Director | Purchase (P): 6,085 @ $14.79 | EDGAR |
| 2026-09-11 | 4 | Khan Nazar M. — Chief Technology Officer, Director | Other (J): 350,000 (derivative) · Other (J): 350,000 (derivative) | EDGAR |
| 2026-09-09 | 4 | Motz Catherine J. — Director | Sale (S): 56,023 @ $17.81 | EDGAR |
| 2026-09-01 | 4 | Carter Walter E. — Director | Sale (S): 130,626 @ $15.14 | EDGAR |
| 2026-08-28 | 4 | Prager Paul B. — Chief Executive Officer, Director | Sale (S): 137,500 @ $17.06 | EDGAR |
| 2026-08-17 | 4 | Tanimoto William Joseph — Chief Accounting Officer | Option exercise (M): 6,666 · Option exercise (M): 6,666 (derivative) | EDGAR |
| 2026-08-17 | 4 | Bucella Michael C. — Director | Purchase (P): 3,023 @ $16.54 · Purchase (P): 2,860 @ $17.47 | EDGAR |
| 2026-08-03 | 4 | Langlais Kerri M. — Chief Strategy Officer, Director | Option exercise (M): 500,000 · Disposition to issuer (D): 276,500 · Option exercise (M): 500,000 (derivative) | EDGAR |
| 2026-08-03 | 4 | Fleury Patrick — Chief Financial Officer | Option exercise (M): 500,000 · Option exercise (M): 500,000 (derivative) | EDGAR |
| 2026-07-01 | 4 | Prager Paul B. — Chief Executive Officer, Director | Sale (S): 137,500 @ $26.60 | EDGAR |
| 2026-07-01 | 4 | Prager Lisa A. — Director | Grant/award (A): 1,013 | EDGAR |
| 2026-07-01 | 4 | Carter Walter E. — Director | Grant/award (A): 1,266 | EDGAR |
| 2026-07-01 | 4 | Bucella Michael C. — Director | Grant/award (A): 1,013 | EDGAR |
| 2026-06-25 | 4 | Tanimoto William Joseph — Chief Accounting Officer | Option exercise (M): 10,000 · Option exercise (M): 10,000 (derivative) | EDGAR |
| 2026-06-25 | 4 | Prager Lisa A. — Director | Option exercise (M): 56,023 · Option exercise (M): 56,023 (derivative) @ $0 · Grant/award (A): 6,950 (derivative) @ $0 | EDGAR |
| 2026-06-25 | 4 | Pincus Steven T. — Director | Option exercise (M): 63,026 · Option exercise (M): 63,026 (derivative) @ $0 · Grant/award (A): 7,818 (derivative) @ $0 | EDGAR |
| 2026-06-25 | 4 | Motz Catherine J. — Director | Option exercise (M): 56,023 · Option exercise (M): 56,023 (derivative) @ $0 · Grant/award (A): 6,950 (derivative) @ $0 | EDGAR |
| 2026-06-25 | 4 | Fabiano Amanda — Director | Option exercise (M): 56,023 · Option exercise (M): 56,023 (derivative) @ $0 · Grant/award (A): 6,950 (derivative) @ $0 | EDGAR |
| 2026-06-25 | 4 | Carter Walter E. — Director | Option exercise (M): 56,023 · Option exercise (M): 56,023 (derivative) @ $0 · Grant/award (A): 6,950 (derivative) @ $0 | EDGAR |
| 2026-06-25 | 4 | Bucella Michael C. — Director | Option exercise (M): 56,023 · Option exercise (M): 56,023 (derivative) @ $0 · Grant/award (A): 6,950 (derivative) @ $0 | EDGAR |
| 2026-05-28 | 4 | Prager Paul B. — Chief Executive Officer, Director | Sale (S): 166,650 @ $24.43 · Sale (S): 109,849 @ $25.58 · Sale (S): 56,801 @ $26.57 | EDGAR |
| 2026-05-20 | 4 | Prager Paul B. — Chief Executive Officer, Director | Option exercise (M): 981,161 · Disposition to issuer (D): 542,582 · Option exercise (M): 981,161 (derivative) @ $0 | EDGAR |
| 2026-05-20 | 4 | Khan Nazar M. — Chief Technology Officer, Director | Option exercise (M): 817,634 · Disposition to issuer (D): 452,151 · Option exercise (M): 817,634 (derivative) @ $0 | EDGAR |
| 2026-05-20 | 4 | Langlais Kerri M. — Chief Strategy Officer, Director | Option exercise (M): 327,054 · Disposition to issuer (D): 180,860 · Option exercise (M): 327,054 (derivative) @ $0 | EDGAR |
| 2026-05-20 | 4 | Fleury Patrick — Chief Financial Officer | Option exercise (M): 327,054 · Disposition to issuer (D): 128,695 · Option exercise (M): 327,054 (derivative) @ $0 | EDGAR |
| 2026-05-08 | 4 | Prager Paul B. — Chief Executive Officer, Director | Option exercise (M): 981,162 · Disposition to issuer (D): 542,582 · Option exercise (M): 981,162 (derivative) | EDGAR |
| 2026-05-08 | 4 | Khan Nazar M. — Chief Technology Officer, Director | Option exercise (M): 817,635 · Disposition to issuer (D): 452,152 · Option exercise (M): 817,635 (derivative) | EDGAR |
| 2026-05-08 | 4 | Langlais Kerri M. — Chief Strategy Officer, Director | Option exercise (M): 327,054 · Disposition to issuer (D): 180,860 · Option exercise (M): 327,054 (derivative) | EDGAR |
| 2026-05-08 | 4 | Fleury Patrick — Chief Financial Officer | Option exercise (M): 327,054 · Disposition to issuer (D): 128,695 · Option exercise (M): 327,054 (derivative) | EDGAR |
| 2026-04-28 | 4 | Prager Paul B. — Chief Executive Officer, Director | Sale (S): 80,591 @ $20.51 · Sale (S): 56,909 @ $21.20 · Sale (S): 79,100 @ $20.62 · Sale (S): 100 @ $21.29 | EDGAR |
| 2026-04-24 | 4 | Langlais Kerri M. — Chief Strategy Officer, Director | Option exercise (M): 327,054 · Disposition to issuer (D): 180,860 · Option exercise (M): 327,054 (derivative) | EDGAR |
| 2026-04-24 | 4 | Prager Paul B. — Chief Executive Officer, Director | Option exercise (M): 981,162 · Disposition to issuer (D): 542,582 · Option exercise (M): 981,162 (derivative) | EDGAR |
| 2026-04-24 | 4 | Fleury Patrick — Chief Financial Officer | Option exercise (M): 327,054 · Disposition to issuer (D): 128,695 · Option exercise (M): 327,054 (derivative) | EDGAR |
| 2026-04-24 | 4 | Khan Nazar M. — Chief Technology Officer, Director | Option exercise (M): 817,635 · Sale (S): 452,152 · Option exercise (M): 817,635 (derivative) | EDGAR |
| 2026-04-16 | 4 | Prager Paul B. — Chief Executive Officer, Director | Option exercise (M): 141,726 · Option exercise (M): 981,162 · Disposition to issuer (D): 535,422 · Option exercise (M): 141,726 (derivative) · Option exercise (M): 981,162 (derivative) | EDGAR |
| 2026-04-16 | 4 | Khan Nazar M. — Chief Technology Officer, Director | Option exercise (M): 817,635 · Disposition to issuer (D): 444,992 · Option exercise (M): 817,635 (derivative) | EDGAR |
| 2026-04-16 | 4 | Langlais Kerri M. — Chief Strategy Officer, Director | Option exercise (M): 327,054 · Disposition to issuer (D): 180,860 · Option exercise (M): 327,054 (derivative) | EDGAR |
| 2026-04-16 | 4 | Fleury Patrick — Chief Financial Officer | Option exercise (M): 327,054 · Disposition to issuer (D): 121,612 · Option exercise (M): 327,054 (derivative) | EDGAR |
| 2026-04-09 | 4 | Prager Lisa A. — Director | Grant/award (A): 1,733 | EDGAR |
| 2026-04-09 | 4 | Carter Walter E. — Director | Grant/award (A): 2,166 | EDGAR |
| 2026-04-09 | 4 | Bucella Michael C. — Director | Grant/award (A): 1,733 | EDGAR |
| 2026-03-25 | 4 | Prager Paul B. — Chief Executive Officer, Director | Sale (S): 137,500 @ $16.10 · Sale (S): 133,700 @ $16.94 · Sale (S): 3,800 @ $17.62 | EDGAR |
| 2026-03-20 | 4 | Bucella Michael C. — Director | Purchase (P): 1,665 @ $15.04 | EDGAR |
| 2026-03-19 | 4 | Bucella Michael C. — Director | Purchase (P): 1,584 @ $16 · Purchase (P): 1,581 @ $15.79 · Purchase (P): 1,670 @ $14.96 | EDGAR |
| 2026-03-19 | 4 | Fleury Patrick — Chief Financial Officer | Sale (S): 573,586 @ $16.14 · Sale (S): 26,414 @ $16.14 | EDGAR |
| 2026-03-13 | 4 | Bucella Michael C. — Director | Purchase (P): 1,338 @ $14.91 | EDGAR |
| 2026-03-09 | 4 | Bucella Michael C. — Director | Purchase (P): 654 @ $15.31 · Purchase (P): 679 @ $14.80 · Purchase (P): 752 @ $13.31 | EDGAR |
| 2026-03-04 | 4 | Bucella Michael C. — Director | Purchase (P): 3,171 @ $15.78 | EDGAR |
| 2026-01-16 | 4 | Tanimoto William Joseph — Chief Accounting Officer | Grant/award (A): 9,419 (derivative) @ $0 | EDGAR |
| 2026-01-09 | 4 | Tanimoto William Joseph — Chief Accounting Officer | Option exercise (M): 16,667 · Disposition to issuer (D): 5,296 · Option exercise (M): 16,667 (derivative) | EDGAR |
Recent 8-K events — TERAWULF INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-06 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-10 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-26 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-08 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-16 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-15 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-14 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-16 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-26 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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