Terawulf Inc.
WULF- Exchange
- Nasdaq
- Industry
- Finance Services
- SEC CIK
- 0001083301
In the last 90 days, Terawulf Inc. insiders filed 2 open-market purchases and 4 sales; 502 institutions reported holding it in 13F filings for Q2 2026, worth $9.84B in total; Lone Pine Capital is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Terawulf Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 2 filings
- 1 insider, $189.9K in total
- Open-market sells
- 4 filings
- 3 insiders, $8.98M in total
- Insiders trading
- 4
- Net value
- −$8.79M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Terawulf Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Prager Paul B. | Chief Executive Officer | 3,807,552Indirect | Sep 23, 2026 | 15 |
| Bucella Michael C. | Director | 350,789 | Sep 16, 2026 | 11 |
| Khan Nazar M. | Chief Technology Officer | 1,469,592 | Sep 11, 2026 | 7 |
| Motz Catherine J. | Director | 153,218 | Sep 9, 2026 | 2 |
| Carter Walter E. | Director | 229,090 | Sep 1, 2026 | 6 |
| Tanimoto William Joseph | Chief Accounting Officer | 55,564 | Aug 17, 2026 | 6 |
| Langlais Kerri M. | Chief Strategy Officer | 4,380,381 | Aug 3, 2026 | 7 |
| Fleury Patrick | Chief Financial Officer | 500,000 | Aug 3, 2026 | 7 |
| Prager Lisa A. | Director | 311,510 | Jul 1, 2026 | 5 |
| Pincus Steven T. | Director | 399,391 | Jun 25, 2026 | 2 |
| Fabiano Amanda | Director | 96,792 | Jun 25, 2026 | 1 |
| Deane Kenneth J | Chief Acct Officer + Treasurer | 595,401 | May 19, 2025 | 0 |
| Jarvis Christopher Allen | Director | 14,180 | Jan 3, 2025 | 0 |
| Stammtisch Investments LLC | Other: Controlled by Issuer's CEO | 10,198,883 | Jun 18, 2024 | 0 |
| New Jason Griffin | Director | 39,617Indirect | Oct 24, 2023 | 0 |
| Revolve Capital LLC | 10% Owner | 17,860,622 | Mar 2, 2023 | 0 |
| Bayshore Capital LLC | 10% Owner | 18,083,348Indirect | Mar 2, 2023 | 0 |
| Pascual Bryan J. | 10% Owner | 18,083,348Indirect | Mar 2, 2023 | 0 |
| Piguet Claude P | Vice President, Operations | 0 | Dec 13, 2021 | 0 |
| Gerlach Jon | V.P. Finance and CFO | 0 | Dec 13, 2021 | 0 |
| Lee Darrell B | Director | 0 | Dec 13, 2021 | 0 |
| Carlson Lockwood | Director | 0 | Dec 13, 2021 | 0 |
| Hegman Kenneth D. | Chief Operating Officer | 0 | Dec 13, 2021 | 0 |
| Bohren Marianne | Director | 0 | Dec 13, 2021 | 0 |
| Engbrecht D Jeffrey | Director | 0 | Dec 13, 2021 | 0 |
| Jackson Gregory W. | Director | 0 | Dec 13, 2021 | 0 |
| Sandgren Glenn | Chief Executive Officer | 0 | Dec 13, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 (view filing)9:41 PM ET | Sep 15 | 1 day | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +6.08K | $14.79 | +$90.0K | +1.8%350.8K after | |
| Sep 9, 2026 (view filing)9:35 PM ET | Sep 8 | 1 day | Motz Catherine J.Director | SSaleCommon stock, $0.001 par value per share | −56.0K | $17.81 | −$997.9K | −26.8%153.2K after | |
| Sep 1, 2026 (view filing)4:59 PM ET | Aug 31 | 1 day | Carter Walter E.Director | SSaleCommon stock, $0.001 par value per share | −130.6K | $15.14 | −$1.98M | −36.3%229.1K after | |
| Aug 28, 2026 (view filing)8:41 PM ET | Aug 27 | 1 day | Prager Paul B.Chief Executive Officer | SSaleCommon stock, $0.001 par value per share | −137.5K | $17.06 | −$2.35M | −3.5%3.81M after | 10b5-1 |
| Aug 17, 2026 (view filing)6:11 PM ET | Aug 14-17 | 3 days | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +5.88K | $16.99 | +$99.9K | +1.7%344.7K after | 2 lots |
| Jul 1, 2026 (view filing)8:33 PM ET | Jun 29 | 2 days | Prager Paul B.Chief Executive Officer | SSaleCommon stock, $0.001 par value per share | −137.5K | $26.60 | −$3.66M | −3.4%3.95M after | 10b5-1 |
| May 28, 2026 (view filing) | May 26-27 | 2 days | Prager Paul B.Chief Executive Officer | SSaleCommon stock, $0.001 par value per share | −333.3K | $25.17 | −$8.39M | −7.5%4.08M after | 3 lots10b5-1 |
| Apr 28, 2026 (view filing) | Apr 27-28 | 1 day | Prager Paul B.Chief Executive Officer | SSaleCommon stock, $0.001 par value per share | −216.7K | $20.73 | −$4.49M | −19.7%884.3K after | 4 lots |
| Apr 24, 2026 (view filing) | Apr 24 | Same day | Khan Nazar M.Chief Technology Officer | SSaleCommon stock, $0.001 par value per share | −452.2K | – | – | −38.0%738.6K after | |
| Mar 25, 2026 (view filing) | Mar 24-25 | 1 day | Prager Paul B.Chief Executive Officer | SSaleCommon stock, $0.001 par value per share | −275.0K | $16.53 | −$4.55M | −55.9%216.7K after | 3 lots10b5-1 |
| Mar 20, 2026 (view filing) | Mar 20 | Same day | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +1.67K | $15.04 | +$25.0K | +0.6%280.1K after | |
| Mar 19, 2026 (view filing) | Mar 17-19 | 2 days | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +4.83K | $15.57 | +$75.3K | +1.8%278.4K after | 3 lots |
| Mar 19, 2026 (view filing) | Mar 17 | 2 days | Fleury PatrickChief Financial Officer | SSaleCommon stock, $0.001 par value per share | −573.6K | $16.14 | −$9.26M | −15.2%3.21M after | |
| Mar 19, 2026 (view filing) | Mar 17 | 2 days | Fleury PatrickChief Financial Officer | SSaleCommon stock, $0.001 par value per share | −26.4K | $16.14 | −$426.3K | −100.0%0 after | |
| Mar 13, 2026 (view filing) | Mar 11 | 2 days | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +1.34K | $14.91 | +$19.9K | +0.5%273.6K after | |
| Mar 9, 2026 (view filing) | Mar 5-9 | 4 days | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +2.08K | $14.42 | +$30.1K | +0.8%272.2K after | 3 lots |
| Mar 4, 2026 (view filing) | Mar 4 | Same day | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +3.17K | $15.78 | +$50.0K | +1.2%270.1K after | |
| Dec 11, 2025 (view filing) | Nov 13 | 28 daysLate | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +4.18K | $12.01 | +$50.2K | +1.6%267.0K after | |
| Sep 22, 2025 (view filing) | Sep 19 | 3 days | Motz Catherine J.Director | SSaleCommon stock, $0.001 par value per share | −52.9K | $11.04 | −$584.5K | −24.9%159.9K after | |
| Aug 18, 2025 (view filing) | Aug 15 | 3 days | Fabiano AmandaDirector | SSaleCommon stock, $0.001 par value per share | −4.60K | $8.64 | −$39.7K | −10.1%40.8K after | |
| Jun 18, 2025 (view filing) | Jun 18 | Same day | Motz Catherine J.Director | SSaleCommon stock, $0.001 par value per share | −21.2K | $3.92 | −$83.0K | −10.0%191.2K after | |
| Jan 31, 2025 (view filing) | Jan 27 | 4 daysLate | Bucella Michael C.Director | PPurchaseCommon stock, $0.001 par value per share | +4.80K | $4.17 | +$20.0K | +2.4%205.6K after | |
| Jun 10, 2024 (view filing) | Jun 7 | 3 days | Deane Kenneth JChief Acct Officer + Treasurer | SSaleCommon stock, $0.001 par value per share | −70.0K | $3.25 | −$227.5K | −17.2%337.2K after | |
| Jun 7, 2024 (view filing) | Oct 20, 2023 | 231 days | Khan Nazar M.Chief Operating Officer + CTO | SSaleCommon stock, $0.001 par value per share | −513.5K | – | – | −5.2%9.39M after | Amended |
| Aug 18, 2023 (view filing) | Aug 18 | Same day | Prager Paul B.Chief Executive Officer | PPurchaseCommon stock, $0.001 par value per share | +50.0K | $1.90 | +$95.0K | +10.5%525.0K after | |
| Jul 7, 2023 (view filing) | Jun 27-30, 2022 | 375 daysLate | Carter Walter E.Director | PPurchase | +5.49K | $1.36 | +$7.48K | +3.5%161.2K after | 2 lots |
| Apr 11, 2023 (view filing) | Apr 11 | Same day | Prager Paul B.Chief Executive Officer | PPurchaseCommon stock, $0.001 par value per share | +100.0K | $1.37 | +$137.0K | +26.7%475.0K after | |
| Mar 2, 2023 (view filing)5:00 PM ET | Feb 28 | 2 days | Bayshore Capital LLC and 1 other10% Owner | PPurchaseConvertible Promissory Note | – | – | – | – | DerivativePrice outlier |
| Oct 11, 2022 (view filing)7:34 PM ET | Oct 6 | 5 days | Bayshore Capital LLC and 1 other10% Owner | PPurchaseCommon stock, $0.001 par value per share | +1.59M | – | – | +11.1%15.9M after | |
| Oct 11, 2022 (view filing)7:34 PM ET | Oct 6 | 5 days | Bayshore Capital LLC and 1 other10% Owner | PPurchase | +1.59M | – | – | –1.59M after | DerivativeDuplicate filing |
| Oct 11, 2022 (view filing) | Oct 6 | 5 days | Revolve Capital LLC10% Owner | PPurchase | +1.59M | $0.00 | $0 | +14.5%12.6M after | |
| Oct 11, 2022 (view filing) | Oct 6 | 5 days | Revolve Capital LLC10% Owner | PPurchase | +1.59M | – | – | –1.59M after | Derivative |
| Apr 13, 2022 (view filing)5:18 PM ET | Apr 11 | 2 days | Bayshore Capital LLC and 1 other10% Owner | PPurchaseCommon stock, $0.001 par value per share | +158.6K | $7.88 | +$1.25M | +1.1%14.3M after | |
| Apr 13, 2022 (view filing) | Apr 11 | 2 days | Revolve Capital LLC10% Owner | PPurchase | +158.6K | $7.88 | +$1.25M | +1.5%11.0M after | |
| Apr 13, 2022 (view filing) | Apr 11 | 2 days | Prager Paul B.Chief Executive Officer | PPurchaseCommon stock, $0.001 par value per share | +317.3K | $7.88 | +$2.50M | +94.0%654.7K after | |
| Mar 18, 2022 (view filing) | Mar 16 | 2 days | Revolve Capital LLC10% Owner | PPurchase | +250.0K | $10.00 | +$2.50M | –2.50K after | Derivative |
| Mar 17, 2022 (view filing)1:42 PM ET | Mar 15 | 2 days | Bayshore Capital LLC and 1 other10% Owner | PPurchase | +250.0K | $10.00 | +$2.50M | –2.50K after | Derivative |
| Mar 17, 2022 (view filing) | Mar 15 | 2 days | Prager Paul B.Chief Executive Officer | PPurchaseCommon stock, $0.001 par value per share | +396.4K | $7.76 | +$3.08M | +125.5%712.4K after | |
| Mar 14, 2022 (view filing) | Mar 11 | 3 days | Prager Paul B.Chief Executive Officer | PPurchaseCommon stock, $0.001 par value per share | +100.0K | $9.57 | +$957.0K | +46.3%316.0K after | |
| Mar 10, 2022 (view filing) | Mar 10 | Same day | Prager Paul B.Chief Executive Officer | PPurchaseCommon stock, $0.001 par value per share | +150.0K | $6.45 | +$967.5K | +227.3%216.0K after | |
| Dec 23, 2021 (view filing) | Dec 21-23 | 2 days | Prager Paul B.Chief Executive Officer | PPurchaseCommon stock, $0.001 par value per share | +66.0K | $12.85 | +$847.9K | New position66.0K after | 7 lots |