Welcome to our dedicated page for Terawulf SEC filings (Ticker: WULF), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
TeraWulf Inc. filings document a Nasdaq-listed digital infrastructure company with common stock trading under WULF and operations centered on high-performance computing hosting and bitcoin mining. Its Form 8-K reports cover operating and financial results, Regulation FD presentations, material definitive agreements, credit arrangements, and equity capital transactions tied to data center development and corporate financing.
Proxy materials describe shareholder voting matters, board governance, executive compensation, and related annual meeting disclosures. Capital-structure filings and material-event reports address common stock offerings, underwriting agreements, subsidiary financing arrangements, and infrastructure-site transactions, including disclosures connected to the company's Hawesville development platform.
TeraWulf Inc.'s chief executive officer–related entity Beowulf E&D Holdings Inc. reported open-market sales totaling 333,300 shares of common stock on May 26–27, 2026. These indirect sales occurred at weighted average prices of $24.4297, $25.5770, and $26.5691 per share, across multiple trades between $24.27 and $26.9499.
Following these transactions, Beowulf E&D Holdings Inc. held 4,082,552 shares of TeraWulf common stock indirectly associated with CEO Paul B. Prager. Additional indirect holdings are reported through entities such as Riesling Power LLC, Stammtisch Investments LLC, Allin WULF LLC and Heorot Power Holdings LLC, plus 1,761,479 shares held directly by Mr. Prager.
The filing notes that Mr. Prager is the sole manager or trustee of several of these entities and therefore may be deemed to beneficially own their shares, while he disclaims beneficial ownership except to the extent of his pecuniary interest.
Citadel-affiliated entities and Kenneth Griffin report shared beneficial ownership in TERAWULF Inc. The filing lists 29,091,362 Shares attributed to Citadel Securities Group LP, Citadel Securities GP LLC and Mr. Kenneth Griffin (representing 5.9% of the class). Citadel Securities LLC is shown with 21,772,257 Shares (4.4%). The percentages are calculated using 495,532,645 Shares outstanding as of May 5, 2026 per the issuer's Form 10-Q. The statement is a joint Schedule 13G, and the Reporting Persons disclose shared voting and shared dispositive power for the listed share amounts.
WULF Section 144 notice: A broker-dealer filing lists recent 10b5-1 sales of common stock by Paul B. Prager executed through Morgan Stanley Smith Barney LLC. The excerpt shows multiple Rule 10b5-1 transactions on 03/24/2026, 03/25/2026, 04/27/2026, and 04/28/2026, with aggregate per-trade share counts and gross proceeds reported.
TeraWulf Inc. is expanding its digital infrastructure platform by acquiring the Muskie Data Campus, a hyperscale high-performance computing site in Eastern Kentucky. The campus sits on approximately 285 acres within the 1,000-acre EastPark Industrial Park and is designed for AI and HPC workloads.
The Muskie Data Campus is expected to support more than 1 gigawatt of data center capacity over time, with the first 500 megawatts targeted to ramp beginning in the second half of 2028 and another 500 megawatts in the second half of 2030. Kentucky Power is building a 345 kV substation tied to the existing 765 kV transmission network to provide redundant, utility-scale power infrastructure.
Transmission infrastructure and energy service agreements were executed concurrently with the acquisition under an Industrial General Service tariff structure, and the deal required no third-party consents or regulatory approvals, closing effective May 22, 2026. Alongside its 480 MW Justified Data campus in Hancock County, this becomes TeraWulf’s second major digital infrastructure campus in Kentucky, supporting its strategy of power-advantaged, large-scale AI and HPC development.
TERAWULF INC. Chief Executive Officer Paul B. Prager reported the vesting and conversion of 981,161 performance-based restricted stock units into common shares. These units vested upon achieving specified performance goals, subject to his continued service through the third anniversary of January 2, 2026.
In connection with this vesting, 542,582 common shares were disposed of to the issuer to cover tax obligations under a net settlement election, and the remaining shares increased his direct holdings to 1,761,479 common shares. Separate entries show indirect holdings through entities such as Riesling Power LLC, Beowulf E&D Holdings Inc., Heorot Power Holdings LLC, Stammtisch Investments LLC, and Allin WULF LLC, where he may be deemed a beneficial owner but generally disclaims ownership beyond his pecuniary interest.
TERAWULF INC. Chief Technology Officer Nazar M. Khan reported vesting of performance-based stock units that converted into common shares and related tax withholding. On May 18, 2026, 817,634 performance stock units converted into the same number of common shares at a conversion price of $0.0000 per share. To cover taxes under a net settlement election, 452,151 common shares were disposed of to the issuer at $0.0000 per share, as described in the footnotes, leaving Khan with 1,469,592 shares of common stock held directly after the transactions. The filing also shows additional indirect holdings through the Nazar M. Khan Revocable Trust, Lake Harriet Holdings LLC, various trusts, and the Yaqeen I Trust, for which Khan may be deemed a beneficial owner to the extent of his pecuniary interest.
TERAWULF INC. Chief Strategy Officer Kerri M. Langlais reported routine equity compensation activity involving performance-based restricted stock units on May 18, 2026. Performance stock units covering 327,054 shares vested and were exercised into common stock. In connection with this net settlement, 180,860 shares were returned to the issuer to cover taxes. Following these transactions, Langlais directly held 4,337,741 shares of common stock.
TERAWULF INC. Chief Financial Officer Patrick Fleury reported compensation-related stock transactions. On May 18, 2026, performance-based restricted stock units covering 327,054 shares of common stock vested and were exercised into common shares at a stated price of $0.00 per share.
To cover tax obligations from this vesting, 128,695 shares of common stock were disposed of back to the issuer through net settlement, as described in the footnotes. After these transactions, Fleury directly owned 4,134,214 shares of TERAWULF common stock.
Terawulf Inc. ownership update: a joint Schedule 13G/A (Amendment No. 1) shows Citadel-related entities and Kenneth Griffin may be deemed to beneficially own up to 15,840,234 shares of common stock, representing 3.7% of the class. The filing cites 424,068,125 Shares outstanding as of February 24, 2026.
The statement lists Citadel Securities LLC with 11,731,728 shares (2.8%) and confirms shared voting and dispositive power for the reported holdings. The filing is a routine ownership disclosure and clarifies relationships among Citadel entities, CALC4, CSGP, CAH, CGP, CSP, CRBH, and Mr. Kenneth Griffin.
TERAWULF INC. Chief Executive Officer Paul B. Prager reported performance-based equity vesting and related share movements. He exercised 981,162 performance stock units, each settling into one share of common stock at a price of $0.0000 per share, following achievement of specified performance goals through the third anniversary of January 2, 2026.
To cover taxes from this vesting, 542,582 shares were returned to the issuer through a net-settlement election, leaving 1,865,482 shares of common stock held directly after the transactions. The filing also notes indirect holdings through entities including Allin Wulf LLC, Stammtisch Investments LLC, Heorot Power Holdings LLC, Beowulf E&D Holdings Inc., and Riesling Power LLC.