TERAWULF INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for TERAWULF INC. (WULF), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are WULF insiders buying or selling?
In the last 12 months, TERAWULF INC. insiders reported 8 open-market purchases ($440.5K) and 9 sales ($36.1M) — net selling of $35.6M. Since February 2018, Trabud has recorded 54 Form 4 filings for WULF: 30 buys ($11.7M) and 24 sells ($178.4M).
Source: SEC EDGAR Form 4
Key Statistics (February 2018 – Sep 17, 2026)
Total Form 4 filings
54
SEC EDGAR
Insider filers
16
Insider buys (30)
$11.7M
Insider sells (24)
$178.4M
Insider sentiment
Net sellingNet insider flow of $166.7M in net selling since February 2018, and $35.6M in net selling over the last 12 months. 2 insider buys in the last 90 days.
Recent WULF insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | Michael C. Bucella | Director | Purchase | 6.1K | $14.79 | $90.0K | SEC ↗ |
| Sep 10, 2026 | Catherine J. Motz | Director | Sale | 56.0K | $17.81 | $997.9K | SEC ↗ |
| Sep 1, 2026 | Walter E. Carter | Director | Sale | 130.6K | $15.14 | $2.0M | SEC ↗ |
| Aug 29, 2026 | Paul B. Prager | Chief Executive Officer | Sale | 137.5K | $17.06 | $2.3M | SEC ↗ |
| Aug 17, 2026 | Michael C. Bucella | Director | Purchase | 5.9K | $16.99 | $99.9K | SEC ↗ |
| Jul 2, 2026 | Paul B. Prager | Chief Executive Officer | Sale | 137.5K | $26.60 | $3.7M | SEC ↗ |
| May 29, 2026 | Paul B. Prager | Chief Executive Officer | Sale | 333.3K | $25.17 | $8.4M | SEC ↗ |
| Apr 29, 2026 | Paul B. Prager | Chief Executive Officer | Sale | 216.7K | $20.73 | $4.5M | SEC ↗ |
| Apr 25, 2026 | Khan Nazar M. | Chief Technology Officer | Sale | 452.2K | $0.00 | $0 | SEC ↗ |
| Mar 26, 2026 | Paul B. Prager | Chief Executive Officer | Sale | 275.0K | $16.53 | $4.5M | SEC ↗ |
| Mar 20, 2026 | Michael C. Bucella | Director | Purchase | 1.7K | $15.04 | $25.0K | SEC ↗ |
| Mar 20, 2026 | Michael C. Bucella | Director | Purchase | 4.8K | $15.57 | $75.3K | SEC ↗ |
| Mar 20, 2026 | Patrick Fleury | Chief Financial Officer | Sale | 600.0K | $16.14 | $9.7M | SEC ↗ |
| Mar 13, 2026 | Michael C. Bucella | Director | Purchase | 1.3K | $14.91 | $19.9K | SEC ↗ |
| Mar 9, 2026 | Michael C. Bucella | Director | Purchase | 2.1K | $14.42 | $30.1K | SEC ↗ |
| Mar 4, 2026 | Michael C. Bucella | Director | Purchase | 3.2K | $15.78 | $50.0K | SEC ↗ |
| Dec 11, 2025 | Michael C. Bucella | Director | Purchase | 4.2K | $12.01 | $50.2K | SEC ↗ |
| Sep 23, 2025 | Catherine J. Motz | Director | Sale | 52.9K | $11.04 | $584.2K | SEC ↗ |
| Aug 19, 2025 | Amanda Fabiano | Director | Sale | 4.6K | $8.64 | $39.7K | SEC ↗ |
| Jun 19, 2025 | Catherine J. Motz | Director | Sale | 21.2K | $3.92 | $83.0K | SEC ↗ |
| Jan 31, 2025 | Michael C. Bucella | Director | Purchase | 4.8K | $4.17 | $20.0K | SEC ↗ |
| Jun 10, 2024 | Kenneth J Deane | Chief Acct Officer + Treasurer | Sale | 70.0K | $3.25 | $227.1K | SEC ↗ |
| Jun 8, 2024 | Khan Nazar M. | Chief Operating Officer + CTO | Sale | 513.5K | $0.00 | $0 | SEC ↗ |
| Oct 25, 2023 | Khan Nazar M. | Chief Operating Officer + CTO | Sale | 513.5K | $0.00 | $0 | SEC ↗ |
| Aug 18, 2023 | Paul B. Prager | Chief Executive Officer | Purchase | 50.0K | $1.90 | $95.0K | SEC ↗ |
Showing the 25 most recent of 54 Form 4 filings for TERAWULF INC..
Most active WULF insiders
- Paul B. Prager12 filings
- Joseph R Nerges10 filings
- Michael C. Bucella9 filings
- Catherine J. Motz3 filings
- Khan Nazar M.3 filings
Ask anything about WULF insider activity
Use Trabud's AI agent to query TERAWULF INC.'s Form 4 history in plain English — "Show me WULF CEO purchases this year" or compare it against any other ticker.
Open the AI agentWULF insider trading FAQ
Are TERAWULF INC. insiders buying or selling?
In the last 12 months, TERAWULF INC. insiders reported 8 open-market purchases ($440.5K) and 9 sales ($36.1M) — net selling of $35.6M. Since February 2018, Trabud has recorded 54 Form 4 filings for WULF: 30 buys ($11.7M) and 24 sells ($178.4M). Over the full record that is net selling of $166.7M.
How many insiders trade WULF stock?
16 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for TERAWULF INC.. The most recent filing was accepted on Sep 17, 2026.
Where does Trabud get WULF insider trading data?
All WULF insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.