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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.

Insider roster for Terawulf Inc.
NameTitleLast reported holdingLast filingFilings, past year
Prager Paul B.Chief Executive Officer3,807,552IndirectSep 23, 202615
Bucella Michael C.Director350,789Sep 16, 202611
Khan Nazar M.Chief Technology Officer1,469,592Sep 11, 20267
Motz Catherine J.Director153,218Sep 9, 20262
Carter Walter E.Director229,090Sep 1, 20266
Tanimoto William JosephChief Accounting Officer55,564Aug 17, 20266
Langlais Kerri M.Chief Strategy Officer4,380,381Aug 3, 20267
Fleury PatrickChief Financial Officer500,000Aug 3, 20267
Prager Lisa A.Director311,510Jul 1, 20265
Pincus Steven T.Director399,391Jun 25, 20262
Fabiano AmandaDirector96,792Jun 25, 20261
Deane Kenneth JChief Acct Officer + Treasurer595,401May 19, 20250
Jarvis Christopher AllenDirector14,180Jan 3, 20250
Stammtisch Investments LLCOther: Controlled by Issuer's CEO10,198,883Jun 18, 20240
New Jason GriffinDirector39,617IndirectOct 24, 20230
Revolve Capital LLC10% Owner17,860,622Mar 2, 20230
Bayshore Capital LLC10% Owner18,083,348IndirectMar 2, 20230
Pascual Bryan J.10% Owner18,083,348IndirectMar 2, 20230
Piguet Claude PVice President, Operations0Dec 13, 20210
Gerlach JonV.P. Finance and CFO0Dec 13, 20210
Lee Darrell BDirector0Dec 13, 20210
Carlson LockwoodDirector0Dec 13, 20210
Hegman Kenneth D.Chief Operating Officer0Dec 13, 20210
Bohren MarianneDirector0Dec 13, 20210
Engbrecht D JeffreyDirector0Dec 13, 20210
Jackson Gregory W.Director0Dec 13, 20210
Sandgren GlennChief Executive Officer0Dec 13, 20210

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.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 16, 2026 (view filing)9:41 PM ETSep 151 dayBucella Michael C.DirectorPPurchaseCommon 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 ETSep 81 dayMotz Catherine J.DirectorSSaleCommon 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 ETAug 311 dayCarter Walter E.DirectorSSaleCommon 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 ETAug 271 dayPrager Paul B.Chief Executive OfficerSSaleCommon stock, $0.001 par value per share−137.5K$17.06−$2.35M−3.5%3.81M after10b5-1
Aug 17, 2026 (view filing)6:11 PM ETAug 14-173 daysBucella Michael C.DirectorPPurchaseCommon stock, $0.001 par value per share+5.88K$16.99+$99.9K+1.7%344.7K after2 lots
Jul 1, 2026 (view filing)8:33 PM ETJun 292 daysPrager Paul B.Chief Executive OfficerSSaleCommon stock, $0.001 par value per share−137.5K$26.60−$3.66M−3.4%3.95M after10b5-1
May 28, 2026 (view filing)May 26-272 daysPrager Paul B.Chief Executive OfficerSSaleCommon stock, $0.001 par value per share−333.3K$25.17−$8.39M−7.5%4.08M after3 lots10b5-1
Apr 28, 2026 (view filing)Apr 27-281 dayPrager Paul B.Chief Executive OfficerSSaleCommon stock, $0.001 par value per share−216.7K$20.73−$4.49M−19.7%884.3K after4 lots
Apr 24, 2026 (view filing)Apr 24Same dayKhan Nazar M.Chief Technology OfficerSSaleCommon stock, $0.001 par value per share−452.2K––−38.0%738.6K after
Mar 25, 2026 (view filing)Mar 24-251 dayPrager Paul B.Chief Executive OfficerSSaleCommon stock, $0.001 par value per share−275.0K$16.53−$4.55M−55.9%216.7K after3 lots10b5-1
Mar 20, 2026 (view filing)Mar 20Same dayBucella Michael C.DirectorPPurchaseCommon stock, $0.001 par value per share+1.67K$15.04+$25.0K+0.6%280.1K after
Mar 19, 2026 (view filing)Mar 17-192 daysBucella Michael C.DirectorPPurchaseCommon stock, $0.001 par value per share+4.83K$15.57+$75.3K+1.8%278.4K after3 lots
Mar 19, 2026 (view filing)Mar 172 daysFleury PatrickChief Financial OfficerSSaleCommon stock, $0.001 par value per share−573.6K$16.14−$9.26M−15.2%3.21M after
Mar 19, 2026 (view filing)Mar 172 daysFleury PatrickChief Financial OfficerSSaleCommon stock, $0.001 par value per share−26.4K$16.14−$426.3K−100.0%0 after
Mar 13, 2026 (view filing)Mar 112 daysBucella Michael C.DirectorPPurchaseCommon stock, $0.001 par value per share+1.34K$14.91+$19.9K+0.5%273.6K after
Mar 9, 2026 (view filing)Mar 5-94 daysBucella Michael C.DirectorPPurchaseCommon stock, $0.001 par value per share+2.08K$14.42+$30.1K+0.8%272.2K after3 lots
Mar 4, 2026 (view filing)Mar 4Same dayBucella Michael C.DirectorPPurchaseCommon stock, $0.001 par value per share+3.17K$15.78+$50.0K+1.2%270.1K after
Dec 11, 2025 (view filing)Nov 1328 daysLateBucella Michael C.DirectorPPurchaseCommon stock, $0.001 par value per share+4.18K$12.01+$50.2K+1.6%267.0K after
Sep 22, 2025 (view filing)Sep 193 daysMotz Catherine J.DirectorSSaleCommon stock, $0.001 par value per share−52.9K$11.04−$584.5K−24.9%159.9K after
Aug 18, 2025 (view filing)Aug 153 daysFabiano AmandaDirectorSSaleCommon stock, $0.001 par value per share−4.60K$8.64−$39.7K−10.1%40.8K after
Jun 18, 2025 (view filing)Jun 18Same dayMotz Catherine J.DirectorSSaleCommon stock, $0.001 par value per share−21.2K$3.92−$83.0K−10.0%191.2K after
Jan 31, 2025 (view filing)Jan 274 daysLateBucella Michael C.DirectorPPurchaseCommon stock, $0.001 par value per share+4.80K$4.17+$20.0K+2.4%205.6K after
Jun 10, 2024 (view filing)Jun 73 daysDeane Kenneth JChief Acct Officer + TreasurerSSaleCommon 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, 2023231 daysKhan Nazar M.Chief Operating Officer + CTOSSaleCommon stock, $0.001 par value per share−513.5K––−5.2%9.39M afterAmended
Aug 18, 2023 (view filing)Aug 18Same dayPrager Paul B.Chief Executive OfficerPPurchaseCommon 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, 2022375 daysLateCarter Walter E.DirectorPPurchase+5.49K$1.36+$7.48K+3.5%161.2K after2 lots
Apr 11, 2023 (view filing)Apr 11Same dayPrager Paul B.Chief Executive OfficerPPurchaseCommon 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 ETFeb 282 daysBayshore Capital LLC and 1 other10% OwnerPPurchaseConvertible Promissory Note––––DerivativePrice outlier
Oct 11, 2022 (view filing)7:34 PM ETOct 65 daysBayshore Capital LLC and 1 other10% OwnerPPurchaseCommon stock, $0.001 par value per share+1.59M––+11.1%15.9M after
Oct 11, 2022 (view filing)7:34 PM ETOct 65 daysBayshore Capital LLC and 1 other10% OwnerPPurchase+1.59M–––1.59M afterDerivativeDuplicate filing
Oct 11, 2022 (view filing)Oct 65 daysRevolve Capital LLC10% OwnerPPurchase+1.59M$0.00$0+14.5%12.6M after
Oct 11, 2022 (view filing)Oct 65 daysRevolve Capital LLC10% OwnerPPurchase+1.59M–––1.59M afterDerivative
Apr 13, 2022 (view filing)5:18 PM ETApr 112 daysBayshore Capital LLC and 1 other10% OwnerPPurchaseCommon stock, $0.001 par value per share+158.6K$7.88+$1.25M+1.1%14.3M after
Apr 13, 2022 (view filing)Apr 112 daysRevolve Capital LLC10% OwnerPPurchase+158.6K$7.88+$1.25M+1.5%11.0M after
Apr 13, 2022 (view filing)Apr 112 daysPrager Paul B.Chief Executive OfficerPPurchaseCommon stock, $0.001 par value per share+317.3K$7.88+$2.50M+94.0%654.7K after
Mar 18, 2022 (view filing)Mar 162 daysRevolve Capital LLC10% OwnerPPurchase+250.0K$10.00+$2.50M–2.50K afterDerivative
Mar 17, 2022 (view filing)1:42 PM ETMar 152 daysBayshore Capital LLC and 1 other10% OwnerPPurchase+250.0K$10.00+$2.50M–2.50K afterDerivative
Mar 17, 2022 (view filing)Mar 152 daysPrager Paul B.Chief Executive OfficerPPurchaseCommon stock, $0.001 par value per share+396.4K$7.76+$3.08M+125.5%712.4K after
Mar 14, 2022 (view filing)Mar 113 daysPrager Paul B.Chief Executive OfficerPPurchaseCommon stock, $0.001 par value per share+100.0K$9.57+$957.0K+46.3%316.0K after
Mar 10, 2022 (view filing)Mar 10Same dayPrager Paul B.Chief Executive OfficerPPurchaseCommon stock, $0.001 par value per share+150.0K$6.45+$967.5K+227.3%216.0K after
Dec 23, 2021 (view filing)Dec 21-232 daysPrager Paul B.Chief Executive OfficerPPurchaseCommon stock, $0.001 par value per share+66.0K$12.85+$847.9KNew position66.0K after7 lots