Khan Nazar M.

SEC source: 0001628280-26-061623 · wk-form4_1789174330.xml · derivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lake Harriet Holdings, LLC

Disclosed balance after: 350,000

Underlying: Common stock, $0.001 par value per share · 350,000 shares

Expires not disclosed

F1 · derivative.exercise_price: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · derivative.exercise_price: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F1 · kind: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · kind: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F1 · price: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · price: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F1 · derivative.exercise_date: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · derivative.exercise_date: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F1 · derivative.expiration_date: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · derivative.expiration_date: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F3 · ownership.nature: By Lake Harriet Holdings. The Nazar M. Khan Revocable Trust ("Khan Revocable Trust") is the sole member of Lake Harriet Holdings. Nazar M. Khan (the "Reporting Person") is the sole trustee of the Khan Revocable Trust and may be deemed to have the power to direct the voting and disposition of the Common Stock beneficially owned by the Khan Revocable Trust. Accordingly, pursuant to the regulations promulgated under Section 13(d) of the Securities Exchange Act of 1934, as amended, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock held for the account of the Khan Revocable Trust.

SEC source: 0001628280-26-061623 · wk-form4_1789174330.xml · derivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lake Harriet Holdings, LLC

Disclosed balance after: 0

Underlying: Common stock, $0.001 par value per share · 350,000 shares

Expires not disclosed

F1 · derivative.exercise_price: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · derivative.exercise_price: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F1 · kind: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · kind: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F1 · price: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · price: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F1 · derivative.exercise_date: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · derivative.exercise_date: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F1 · derivative.expiration_date: On September 19, 2025, Lake Harriet Holdings, LLC ("Lake Harriet Holdings") entered into a prepaid variable share forward contract / loan facility (the "Original Contract") with an unaffiliated dealer with a pledge of up to a maximum of 350,000 shares of common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc. On September 10, 2026, Lake Harriet Holdings amended and restated the Original Contract (the "Amended Contract"), which extended the settlement date of the Original Contract from September 21, 2026 to September 10, 2027 and amended certain other terms of the Original Contract.

F2 · derivative.expiration_date: (Continued from footnote 1) The Amended Contract can be settled in cash or Common Stock and/or refinanced, at Lake Harriet Holdings' option. In exchange for assuming the obligation under the Original Contract, Lake Harriet Holdings received a cash payment in September 2025. Pursuant to the Amended Contract, Lake Harriet Holdings received an additional cash payment / loan from the dealer and pledged 350,000 shares of Common Stock (the "Pledged Shares"). Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F3 · ownership.nature: By Lake Harriet Holdings. The Nazar M. Khan Revocable Trust ("Khan Revocable Trust") is the sole member of Lake Harriet Holdings. Nazar M. Khan (the "Reporting Person") is the sole trustee of the Khan Revocable Trust and may be deemed to have the power to direct the voting and disposition of the Common Stock beneficially owned by the Khan Revocable Trust. Accordingly, pursuant to the regulations promulgated under Section 13(d) of the Securities Exchange Act of 1934, as amended, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock held for the account of the Khan Revocable Trust.

SEC source: 0001083301-26-000105 · wk-form4_1779323149.xml · derivative · entry 7

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, $0.001 par value per share · 817,634 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

F1 · derivative.exercise_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F1 · derivative.expiration_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000105 · wk-form4_1779323149.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,469,592

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement of performance stock units, which vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000105 · wk-form4_1779323149.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,921,743

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000097 · wk-form4_1778291125.xml · derivative · entry 7

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 817,634

Underlying: Common stock, $0.001 par value per share · 817,635 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

F8 · price: The remaining performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F1 · derivative.exercise_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F1 · derivative.expiration_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000097 · wk-form4_1778291125.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,104,109

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement of performance stock units, which vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000097 · wk-form4_1778291125.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,556,261

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000071 · wk-form4_1777080871.xml · derivative · entry 7

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,635,269

Underlying: Common stock, $0.001 par value per share · 817,635 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

F8 · price: The remaining performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F1 · derivative.exercise_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F1 · derivative.expiration_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000071 · wk-form4_1777080871.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 738,626

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement of performance stock units, which vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000071 · wk-form4_1777080871.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,190,778

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000063 · wk-form4_1776389238.xml · derivative · entry 7

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,452,904

Underlying: Common stock, $0.001 par value per share · 817,635 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

F8 · price: The remaining performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F1 · derivative.exercise_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F1 · derivative.expiration_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001083301-26-000063 · wk-form4_1776389238.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 373,143

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement of performance stock units, which vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000063 · wk-form4_1776389238.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 818,135

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001083301-26-000010 · wk-form4_1767407519.xml · derivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,270,539

Underlying: Common stock, $0.001 par value per share · 3,270,539 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

F4 · derivative.exercise_date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F4 · derivative.expiration_date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-26-000010 · wk-form4_1767407519.xml · derivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,541,078

Underlying: Common stock, $0.001 par value per share · 6,541,078 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share ("Common Stock").

F2 · derivative.exercise_date: One-third (1/3rd) of the restricted stock units shall vest upon each of the first three anniversaries of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F2 · derivative.expiration_date: One-third (1/3rd) of the restricted stock units shall vest upon each of the first three anniversaries of January 2, 2026, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001083301-25-000121 · wk-form4_1766445231.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,324,023

F1 · price: On December 22, 2025, the Reporting Person made a gift of 180,000 shares of common stock, par value $0.01 per share ("Common Stock") to a charitable organization.

SEC source: 0000950142-25-002498 · es250682110_4-nkhanwulf.xml · derivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lake Harriet Holdings, LLC

Disclosed balance after: 350,000

Underlying: Common Stock · 350,000 shares

Expires not disclosed

F1 · derivative.exercise_price: On September 19, 2025, Lake Harriet Holdings, LLC (?Lake Harriet Holdings?) entered into a prepaid variable share forward contract (the ?Contract?) with an unaffiliated third-party buyer. Lake Harriet Holdings is obligated to deliver to the buyer on the settlement date (the ?Settlement Date?), based on the specified scheduled valuation date of September 21, 2026, at Lake Harriet Holdings? option, either (i) up to 350,000 shares of common stock, par value $0.001 per share (?common stock?), of Terawulf Inc. (the ?Issuer?) (such number of shares, the ?Component Number of Shares?), determined based on the terms of the Contract (as described in footnotes 3, 4 and 5), or (ii) a cash payment equal to the value of such Component Number of Shares, determined based on the terms of the Contract (as described in footnotes 3, 4 and 5).

F2 · derivative.exercise_price: (Continued from footnote 1) In exchange for assuming this obligation, Lake Harriet Holdings received a cash payment pursuant to the terms of the Contract. Lake Harriet Holdings pledged 350,000 shares of common stock (the ?Pledged Shares?) to secure its obligations under the Contract. Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F3 · derivative.exercise_price: The cash amount or number of shares to be delivered to the buyer on the Settlement Date will be determined on the valuation date. The number of shares or cash amount is determined as follows: (a) if the volume-weighted average price at which the shares of common stock trade on the valuation date (the ?Settlement Price?) is less than or equal to a price specified in the Contract (the ?Forward Floor Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, the Component Number of Shares or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the value of the Component Number of Shares as of the valuation date;

F4 · derivative.exercise_price: (Continued from footnote 3) (b) if the Settlement Price is between the Forward Floor Price and a price specified in the Contract (the ?Forward Cap Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the Forward Floor Price and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (b)(i);

F5 · derivative.exercise_price: (Continued from footnote 4) and (c) if the Settlement Price is greater than the Forward Cap Price, Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the sum of (x) the Forward Floor Price and (y) the Settlement Price minus the Forward Cap Price, and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (c)(i).

F1 · kind: On September 19, 2025, Lake Harriet Holdings, LLC (?Lake Harriet Holdings?) entered into a prepaid variable share forward contract (the ?Contract?) with an unaffiliated third-party buyer. Lake Harriet Holdings is obligated to deliver to the buyer on the settlement date (the ?Settlement Date?), based on the specified scheduled valuation date of September 21, 2026, at Lake Harriet Holdings? option, either (i) up to 350,000 shares of common stock, par value $0.001 per share (?common stock?), of Terawulf Inc. (the ?Issuer?) (such number of shares, the ?Component Number of Shares?), determined based on the terms of the Contract (as described in footnotes 3, 4 and 5), or (ii) a cash payment equal to the value of such Component Number of Shares, determined based on the terms of the Contract (as described in footnotes 3, 4 and 5).

F2 · kind: (Continued from footnote 1) In exchange for assuming this obligation, Lake Harriet Holdings received a cash payment pursuant to the terms of the Contract. Lake Harriet Holdings pledged 350,000 shares of common stock (the ?Pledged Shares?) to secure its obligations under the Contract. Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F3 · kind: The cash amount or number of shares to be delivered to the buyer on the Settlement Date will be determined on the valuation date. The number of shares or cash amount is determined as follows: (a) if the volume-weighted average price at which the shares of common stock trade on the valuation date (the ?Settlement Price?) is less than or equal to a price specified in the Contract (the ?Forward Floor Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, the Component Number of Shares or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the value of the Component Number of Shares as of the valuation date;

F4 · kind: (Continued from footnote 3) (b) if the Settlement Price is between the Forward Floor Price and a price specified in the Contract (the ?Forward Cap Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the Forward Floor Price and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (b)(i);

F5 · kind: (Continued from footnote 4) and (c) if the Settlement Price is greater than the Forward Cap Price, Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the sum of (x) the Forward Floor Price and (y) the Settlement Price minus the Forward Cap Price, and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (c)(i).

F1 · price: On September 19, 2025, Lake Harriet Holdings, LLC (?Lake Harriet Holdings?) entered into a prepaid variable share forward contract (the ?Contract?) with an unaffiliated third-party buyer. Lake Harriet Holdings is obligated to deliver to the buyer on the settlement date (the ?Settlement Date?), based on the specified scheduled valuation date of September 21, 2026, at Lake Harriet Holdings? option, either (i) up to 350,000 shares of common stock, par value $0.001 per share (?common stock?), of Terawulf Inc. (the ?Issuer?) (such number of shares, the ?Component Number of Shares?), determined based on the terms of the Contract (as described in footnotes 3, 4 and 5), or (ii) a cash payment equal to the value of such Component Number of Shares, determined based on the terms of the Contract (as described in footnotes 3, 4 and 5).

F2 · price: (Continued from footnote 1) In exchange for assuming this obligation, Lake Harriet Holdings received a cash payment pursuant to the terms of the Contract. Lake Harriet Holdings pledged 350,000 shares of common stock (the ?Pledged Shares?) to secure its obligations under the Contract. Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F3 · price: The cash amount or number of shares to be delivered to the buyer on the Settlement Date will be determined on the valuation date. The number of shares or cash amount is determined as follows: (a) if the volume-weighted average price at which the shares of common stock trade on the valuation date (the ?Settlement Price?) is less than or equal to a price specified in the Contract (the ?Forward Floor Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, the Component Number of Shares or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the value of the Component Number of Shares as of the valuation date;

F4 · price: (Continued from footnote 3) (b) if the Settlement Price is between the Forward Floor Price and a price specified in the Contract (the ?Forward Cap Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the Forward Floor Price and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (b)(i);

F5 · price: (Continued from footnote 4) and (c) if the Settlement Price is greater than the Forward Cap Price, Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the sum of (x) the Forward Floor Price and (y) the Settlement Price minus the Forward Cap Price, and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (c)(i).

F1 · derivative.exercise_date: On September 19, 2025, Lake Harriet Holdings, LLC (?Lake Harriet Holdings?) entered into a prepaid variable share forward contract (the ?Contract?) with an unaffiliated third-party buyer. Lake Harriet Holdings is obligated to deliver to the buyer on the settlement date (the ?Settlement Date?), based on the specified scheduled valuation date of September 21, 2026, at Lake Harriet Holdings? option, either (i) up to 350,000 shares of common stock, par value $0.001 per share (?common stock?), of Terawulf Inc. (the ?Issuer?) (such number of shares, the ?Component Number of Shares?), determined based on the terms of the Contract (as described in footnotes 3, 4 and 5), or (ii) a cash payment equal to the value of such Component Number of Shares, determined based on the terms of the Contract (as described in footnotes 3, 4 and 5).

F2 · derivative.exercise_date: (Continued from footnote 1) In exchange for assuming this obligation, Lake Harriet Holdings received a cash payment pursuant to the terms of the Contract. Lake Harriet Holdings pledged 350,000 shares of common stock (the ?Pledged Shares?) to secure its obligations under the Contract. Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F3 · derivative.exercise_date: The cash amount or number of shares to be delivered to the buyer on the Settlement Date will be determined on the valuation date. The number of shares or cash amount is determined as follows: (a) if the volume-weighted average price at which the shares of common stock trade on the valuation date (the ?Settlement Price?) is less than or equal to a price specified in the Contract (the ?Forward Floor Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, the Component Number of Shares or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the value of the Component Number of Shares as of the valuation date;

F4 · derivative.exercise_date: (Continued from footnote 3) (b) if the Settlement Price is between the Forward Floor Price and a price specified in the Contract (the ?Forward Cap Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the Forward Floor Price and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (b)(i);

F5 · derivative.exercise_date: (Continued from footnote 4) and (c) if the Settlement Price is greater than the Forward Cap Price, Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the sum of (x) the Forward Floor Price and (y) the Settlement Price minus the Forward Cap Price, and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (c)(i).

F1 · derivative.expiration_date: On September 19, 2025, Lake Harriet Holdings, LLC (?Lake Harriet Holdings?) entered into a prepaid variable share forward contract (the ?Contract?) with an unaffiliated third-party buyer. Lake Harriet Holdings is obligated to deliver to the buyer on the settlement date (the ?Settlement Date?), based on the specified scheduled valuation date of September 21, 2026, at Lake Harriet Holdings? option, either (i) up to 350,000 shares of common stock, par value $0.001 per share (?common stock?), of Terawulf Inc. (the ?Issuer?) (such number of shares, the ?Component Number of Shares?), determined based on the terms of the Contract (as described in footnotes 3, 4 and 5), or (ii) a cash payment equal to the value of such Component Number of Shares, determined based on the terms of the Contract (as described in footnotes 3, 4 and 5).

F2 · derivative.expiration_date: (Continued from footnote 1) In exchange for assuming this obligation, Lake Harriet Holdings received a cash payment pursuant to the terms of the Contract. Lake Harriet Holdings pledged 350,000 shares of common stock (the ?Pledged Shares?) to secure its obligations under the Contract. Lake Harriet Holdings retains dividend and voting rights in the Pledged Shares during the term of the pledge.

F3 · derivative.expiration_date: The cash amount or number of shares to be delivered to the buyer on the Settlement Date will be determined on the valuation date. The number of shares or cash amount is determined as follows: (a) if the volume-weighted average price at which the shares of common stock trade on the valuation date (the ?Settlement Price?) is less than or equal to a price specified in the Contract (the ?Forward Floor Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, the Component Number of Shares or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the value of the Component Number of Shares as of the valuation date;

F4 · derivative.expiration_date: (Continued from footnote 3) (b) if the Settlement Price is between the Forward Floor Price and a price specified in the Contract (the ?Forward Cap Price?), Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the Forward Floor Price and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (b)(i);

F5 · derivative.expiration_date: (Continued from footnote 4) and (c) if the Settlement Price is greater than the Forward Cap Price, Lake Harriet Holdings will deliver to the buyer (i) if Lake Harriet Holdings elects physical settlement, a number of shares of common stock equal to the product of (A) the Component Number of Shares and (B) a fraction, the numerator of which is the sum of (x) the Forward Floor Price and (y) the Settlement Price minus the Forward Cap Price, and the denominator of which is the Settlement Price, or (ii) if Lake Harriet Holdings elects cash settlement, a cash payment in an amount equal to the number of shares determined as described in the preceding clause (c)(i).

F6 · ownership.nature: By Lake Harriet Holdings The Nazar M. Khan Revocable Trust ("Khan Revocable Trust") is the sole member of Lake Harriet Holdings. The Reporting Person is the sole trustee of the Khan Revocable Trust and may be deemed to have the power to direct the voting and disposition of the Common Stock beneficially owned by the Khan Trust. Accordingly, pursuant to the regulations promulgated under Section 13(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock held for the account of the Khan Revocable Trust.

SEC source: 0001877476-25-000011 · wk-form4_1757544131.xml · derivative · entry 6

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, $0.001 par value per share · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share.

F1 · derivative.exercise_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F1 · derivative.expiration_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-25-000011 · wk-form4_1757544131.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,504,023

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement of performance stock units, which vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001877476-25-000011 · wk-form4_1757544131.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,725,223

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-25-000009 · wk-form4_1756938832.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,325,223

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement of performance stock units, which vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001877476-25-000009 · wk-form4_1756938832.xml · derivative · entry 6

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Common stock, $0.001 par value per share · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share.

F1 · derivative.exercise_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F1 · derivative.expiration_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-25-000009 · wk-form4_1756938832.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,546,423

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-25-000006 · wk-form4_1754093855.xml · derivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,000,000

Underlying: Common stock, $0.001 par value per share · 2,000,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share.

F2 · derivative.exercise_date: One-third (1/3rd) of the restricted stock units shall vest upon each of the first three anniversaries of August 1, 2025, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

F2 · derivative.expiration_date: One-third (1/3rd) of the restricted stock units shall vest upon each of the first three anniversaries of August 1, 2025, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

SEC source: 0001877476-25-000003 · wk-form4_1736558950.xml · derivative · entry 6

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, $0.001 par value per share · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.001 per share.

F7 · price: The restricted stock units vested upon the first anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.exercise_date: The restricted stock units vested upon the first anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.expiration_date: The restricted stock units vested upon the first anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-25-000003 · wk-form4_1736558950.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,659,553

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement with regard to the vesting of restricted stock units, which vested on January 9, 2025, as reflected in this Form 4.

SEC source: 0001877476-25-000003 · wk-form4_1736558950.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,880,753

F1 · price: The Reporting Person received restricted stock units which vested in accordance with their terms upon the first anniversary of January 9, 2024, as reflected in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-25-000001 · wk-form4_1735946795.xml · derivative · entry 6

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 800,000

Underlying: Common stock, $0.001 par value per share · 800,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share.

F7 · derivative.exercise_date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.expiration_date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 2, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-25-000001 · wk-form4_1735946795.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,480,753

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement with regard to the restricted shares of Common Stock which vested on January 2, 2025, as reflected in this Form 4.

SEC source: 0001877476-25-000001 · wk-form4_1735946795.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,026,884

F1 · price: The Reporting Person received 800,000 restricted shares of the Issuer's common stock, $0.001 par value per share ("Common Stock"), which vested immediately but remain subject to a 1-year transfer restriction.

SEC source: 0001877476-24-000021 · wk-form4_1730760029.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,026,884

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement with regard to the restricted shares of common stock which vested on October 31, 2024, as reflected in this Form 4.

SEC source: 0001877476-24-000021 · wk-form4_1730760029.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,137,484

F1 · price: The Reporting Person received 200,000 restricted shares of the Issuer's common stock, $0.001 par value per share, which vested immediately but remain subject to a 1-year transfer restriction.

SEC source: 0001877476-24-000019 · wk-form4_1726878180.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,937,484

F1 · price: On September 18, 2024, the Reporting Person made a gift of 1,000,000 shares of common stock, par value $0.01 per share ("Common Stock") to a charitable organization.

SEC source: 0001877476-24-000014 · wk-form4_1720743787.xml · derivative · entry 6

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Common stock, $0.001 par value per share · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

F7 · price: The restricted stock units vested upon the first six month anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date. The remaining restricted stock units will vest upon the second six month anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.exercise_date: The restricted stock units vested upon the first six month anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date. The remaining restricted stock units will vest upon the second six month anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.expiration_date: The restricted stock units vested upon the first six month anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date. The remaining restricted stock units will vest upon the second six month anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-24-000014 · wk-form4_1720743787.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,937,484

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement with regard to the vesting of restricted stock units, which vested on July 9, 2024, as reflected in this Form 4.

SEC source: 0001877476-24-000014 · wk-form4_1720743787.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,158,684

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Reporting Person received restricted stock units which vested in accordance with their terms upon the first six month anniversary of January 9, 2024, as reflected in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-24-000012 · wk-form4_1719882811.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,758,684

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement with regard to the vesting of performance stock units, which vested on June 27, 2024, as reflected in this Form 4.

SEC source: 0001877476-24-000012 · wk-form4_1719882811.xml · derivative · entry 6

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, $0.001 par value per share · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share.

F7 · price: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.exercise_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.expiration_date: The performance stock units vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-24-000012 · wk-form4_1719882811.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,979,884

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Reporting Person received performance stock units which vested in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, as reflected in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-24-000010 · wk-form4_1719273986.xml · derivative · entry 6

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Common stock, $0.001 par value per share · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Common Stock.

F1 · price: The Reporting Person received performance stock units which will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.exercise_date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F7 · derivative.expiration_date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-24-000010 · wk-form4_1719273986.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,579,884

F2 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement with regard to the vesting of performance stock units, which vested on June 20, 2024, as reflected in this Form 4.

SEC source: 0001877476-24-000010 · wk-form4_1719273986.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,801,084

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Reporting Person received performance stock units which will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-24-000008 · wk-form4_1718760183.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,401,084

F1 · price: The shares of TeraWulf common stock, par value $0.001 per share (the "Shares"), were received in connection with a distribution from Stammtisch Investments LLC on June 14, 2024.

SEC source: 0001877476-24-000005 · wk-form4_1716585249.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,596,401

F1 · price: The disposition is due to withholding to cover taxes, as a result of the Reporting Person's election of net settlement with regard to the vesting of performance stock units, which vested on May 20, 2024, as reflected in a Form 4 filed on such date.

SEC source: 0001877476-24-000003 · wk-form4_1716239995.xml · derivative · entry 4

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 800,000

Underlying: Common stock, $0.001 par value per share · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each performance stock unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share.

F4 · price: The Reporting Person received performance stock units which will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F3 · derivative.exercise_date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F3 · derivative.expiration_date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-24-000003 · wk-form4_1716239995.xml · nonDerivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,787,913

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · date: The performance stock units will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F4 · price: The Reporting Person received performance stock units which will vest in accordance with their terms upon the achievement of specified performance goals between the grant date and the third anniversary of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

SEC source: 0001877476-24-000003 · wk-form4_1716239995.xml · derivative · entry 3

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Indirect · Lake Harriet Holdings, LLC

Disclosed balance after: 0

Underlying: Common stock, $0.001 par value per share · 1,622,926 shares

Expires 2025-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents shares of common stock, $0.001 par value per share, of the Issuer ("Common Stock") received upon exercise of 1,622,926 warrants to purchase 1,622,926 shares of Common Stock ("Warrants"), at a price of $0.01 per share for an aggregate purchase price of $16,229.26. The Reporting Person contributed the Warrants to Lake Harriet Holdings, LLC ("Lake Harriet Holdings") on October 20, 2023.

F2 · ownership.nature: By Lake Harriet Holdings. The Reporting Person is the sole manager of Lake Harriet Holdings, LLC and, as a result, may be deemed to beneficially own the Shares held by Lake Harriet Holdings, LLC. The Reporting Person disclaims beneficial ownership of the Shares except to the extent of his pecuniary interest therein, and the inclusion of the Shares in this report shall not be deemed an admission of beneficial ownership of all of the reported Shares for purposes of Section 16 of the Securities Exchange of 1934, as amended, or for any other purpose.

SEC source: 0001877476-24-000003 · wk-form4_1716239995.xml · nonDerivative · entry 1

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lake Harriet Holdings LLC

Disclosed balance after: 8,657,908

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents shares of common stock, $0.001 par value per share, of the Issuer ("Common Stock") received upon exercise of 1,622,926 warrants to purchase 1,622,926 shares of Common Stock ("Warrants"), at a price of $0.01 per share for an aggregate purchase price of $16,229.26. The Reporting Person contributed the Warrants to Lake Harriet Holdings, LLC ("Lake Harriet Holdings") on October 20, 2023.

F2 · ownership.nature: By Lake Harriet Holdings. The Reporting Person is the sole manager of Lake Harriet Holdings, LLC and, as a result, may be deemed to beneficially own the Shares held by Lake Harriet Holdings, LLC. The Reporting Person disclaims beneficial ownership of the Shares except to the extent of his pecuniary interest therein, and the inclusion of the Shares in this report shall not be deemed an admission of beneficial ownership of all of the reported Shares for purposes of Section 16 of the Securities Exchange of 1934, as amended, or for any other purpose.

SEC source: 0001083301-24-000017 · wk-form4_1705020696.xml · derivative · entry 2

Khan Nazar M. · CIK 0001877476 · Director · Chief Operating Officer + CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 800,000

Underlying: Common stock, $0.001 par value per share · 800,000 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, $0.001 par value per share.

F4 · derivative.exercise_date: Fifty percent (50%) of the restricted stock units shall vest upon each of the first two six month anniversaries of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.

F4 · derivative.expiration_date: Fifty percent (50%) of the restricted stock units shall vest upon each of the first two six month anniversaries of January 9, 2024, subject to the Reporting Person's continued employment or service with the Issuer through such date.