STOCK TITAN

Director at TERAWULF (NASDAQ: WULF) exercises 56,023 RSUs and receives new grant

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

TERAWULF INC. director Michael C. Bucella exercised equity awards and received new stock-based compensation. He converted 56,023 restricted stock units into the same number of common shares at a stated price of $0.0000 per share, bringing his directly held common stock to 337,808 shares. He also received a new grant of 6,950 restricted stock units, each representing a contingent right to one common share. According to the footnotes, the vested units relate to awards that vested on the first anniversary of June 23, 2025, while the newly granted units are scheduled to vest on the first anniversary of June 23, 2026, in each case subject to his continued service with the company.

Positive

  • None.

Negative

  • None.
Insider Bucella Michael C.
Role null
Type Security Shares Price Value
Exercise Restricted Stock Units 56,023 $0.00 --
Grant/Award Restricted Stock Units 6,950 $0.00 --
Exercise Common stock, $0.001 par value per share 56,023 $0.00 --
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common stock, $0.001 par value per share — 337,808 shares (Direct, null)
Footnotes (1)
  1. The Reporting Person received restricted stock units which vested upon the first anniversary of June 23, 2025, as reported in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock, $0.001 par value per share. The restricted stock units vested upon the first anniversary of June 23, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date. The restricted stock units will vest upon the first anniversary of June 23, 2026, subject to the Reporting Person's continued employment or service with the Issuer through such date.
RSUs converted to common 56,023 shares Restricted stock units converted into common stock on June 23, 2026
Common shares held after 337,808 shares Direct common stock holdings after transactions
New RSU grant 6,950 units New restricted stock units granted on June 23, 2026
Exercise price $0.0000 per share Stated price for RSU conversion to common stock
Restricted Stock Units financial
"The Reporting Person received restricted stock units which vested upon the first anniversary of June 23, 2025"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
derivative security financial
"transaction_code_description": "Exercise or conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
contingent right financial
"Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock"
vest financial
"The restricted stock units will vest upon the first anniversary of June 23, 2026"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Bucella Michael C.

(Last)(First)(Middle)
C/O TERAWULF INC.
9 FEDERAL STREET

(Street)
EASTON MARYLAND 21601

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
TERAWULF INC. [ WULF ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/23/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common stock, $0.001 par value per share06/23/2026M56,023A(1)337,808D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(2)06/23/2026M56,023 (3) (3)Common stock, $0.001 par value per share56,023$00D
Restricted Stock Units(2)06/23/2026A6,950 (4) (4)Common stock, $0.001 par value per share6,950$06,950D
Explanation of Responses:
1. The Reporting Person received restricted stock units which vested upon the first anniversary of June 23, 2025, as reported in this Form 4, subject to the Reporting Person's continued employment or service with the Issuer through such date.
2. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock, $0.001 par value per share.
3. The restricted stock units vested upon the first anniversary of June 23, 2025, subject to the Reporting Person's continued employment or service with the Issuer through such date.
4. The restricted stock units will vest upon the first anniversary of June 23, 2026, subject to the Reporting Person's continued employment or service with the Issuer through such date.
Remarks:
/s/ Stefanie C. Fleischmann, as attorney-in-fact for Michael C. Bucella06/25/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did TERAWULF (WULF) director Michael C. Bucella report?

Michael C. Bucella reported equity compensation transactions, not open-market trades. He converted 56,023 restricted stock units into common shares and received a new grant of 6,950 restricted stock units, each tied to future delivery of one common share.

How many TERAWULF (WULF) shares does Michael C. Bucella hold after these Form 4 transactions?

After these transactions, Michael C. Bucella directly holds 337,808 shares of TERAWULF common stock. This total reflects the conversion of 56,023 previously granted restricted stock units into common shares as part of his equity compensation package.

What equity awards vested for TERAWULF (WULF) director Michael C. Bucella?

A block of 56,023 restricted stock units vested for Michael C. Bucella and was converted into the same number of common shares. Footnotes state these units vested on the first anniversary of June 23, 2025, subject to his continued employment or service.

What new restricted stock units did TERAWULF (WULF) grant to Michael C. Bucella?

TERAWULF granted Michael C. Bucella 6,950 new restricted stock units. Each unit represents a contingent right to receive one common share and is scheduled to vest on the first anniversary of June 23, 2026, assuming his continued employment or service.

Are Michael C. Bucella’s TERAWULF (WULF) Form 4 transactions open-market buys or sells?

These transactions are not open-market buys or sells. They involve the vesting and conversion of previously granted restricted stock units into common shares, along with a new grant of restricted stock units as part of director compensation.

How are Michael C. Bucella’s new TERAWULF (WULF) restricted stock units structured?

Each new restricted stock unit granted to Michael C. Bucella represents a contingent right to receive one TERAWULF common share. The units will vest on the first anniversary of June 23, 2026, conditioned on his continued employment or service with the company.