WULF insider trading — Terawulf Inc.
Over the last 90 days, insiders at Terawulf Inc. (WULF) made 3 open-market purchases worth $190K and 2 open-market sales worth $2.98M, making them net sellers by $2.79M. The largest purchase was by Bucella Michael C. (Director), who bought 6,085 shares for $90K on Sep 15, 2026. The largest sale was by Carter Walter E. (Director), who sold 130,626 shares for $1.98M on Aug 31, 2026.
Updated Oct 16, 2026.
Recent WULF insider transactions
Every Form 4 filed by Terawulf Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | Prager Lisa A. | Director | A · Grant/award | Direct | 1,690 | — | — | Form 4 |
| Sep 30, 2026 | Carter Walter E. | Director | A · Grant/award | Direct | 2,112 | — | — | Form 4 |
| Sep 30, 2026 | Bucella Michael C. | Director | A · Grant/award | Direct | 1,690 | — | — | Form 4 |
| Sep 29, 2026 | Khan Nazar M. | Chief Technology Officer | M · Option exercise | Direct | 666,667 | — | — | Form 4 |
| Sep 15, 2026 | Bucella Michael C. | Director | P · Purchase | Direct | 6,085 | $14.79 | $90K | Form 4 |
| Sep 8, 2026 | Motz Catherine J. | Director | S · Sale | Direct | 56,023 | $17.81 | $998K | Form 4 |
| Aug 31, 2026 | Carter Walter E. | Director | S · Sale | Direct | 130,626 | $15.14 | $1.98M | Form 4 |
| Aug 27, 2026 | Prager Paul B. | Chief Executive Officer | S · Sale · 10b5-1 | Indirect | 137,500 | $17.06 | $2.35M | Form 4 |
| Aug 17, 2026 | Bucella Michael C. | Director | P · Purchase | Direct | 2,860 | $17.47 | $50K | Form 4 |
| Aug 14, 2026 | Bucella Michael C. | Director | P · Purchase | Direct | 3,023 | $16.54 | $50K | Form 4 |
| Aug 16, 2026 | Tanimoto William Joseph | Chief Accounting Officer | M · Option exercise | Direct | 6,666 | — | — | Form 4 |
| Aug 3, 2026 | Langlais Kerri M. | Chief Strategy Officer | D · Disposition | Direct | 276,500 | — | — | Form 4 |
| Aug 1, 2026 | Langlais Kerri M. | Chief Strategy Officer | M · Option exercise | Direct | 500,000 | — | — | Form 4 |
| Aug 1, 2026 | Fleury Patrick | Chief Financial Officer | M · Option exercise | Direct | 500,000 | — | — | Form 4 |
WULF insider trading FAQ
Are insiders buying WULF stock?
Yes. In the last 90 days, Terawulf Inc. insiders made 3 open-market purchases totaling $190K, and 2 open-market sales totaling $2.98M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading WULF?
Recent buyers: Bucella Michael C.. Recent sellers: Carter Walter E., Motz Catherine J..
Where does WULF insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.