Patrick Fleury - 18 May 2026 Form 4 Insider Report for TERAWULF INC. (WULF)

Reporting relationship: Chief Financial Officer
Issuer ticker: WULF
Reported as of: 18 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 May 2026, 20:24:40 UTC
Prior SEC filing: 08 May 2026
Next SEC filing: 01 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Patrick Fleury

Key filing fact

Patrick Fleury filed Form 4 for TERAWULF INC. (WULF) on 20 May 2026.

Key facts

This page summarizes Patrick Fleury's Form 4 filing for TERAWULF INC. (WULF).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 20 May 2026, 20:24.

Change

Previous filing in this sequence was filed on 08 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001652256 Primary reporting owner

Fleury Patrick

Relationship: Chief Financial Officer
Address: C/O TERAWULF INC., 9 FEDERAL STREET, EASTON
Signature: /s/ Patrick Fleury
Signature date: 20 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WULF transaction

Common stock, $0.001 par value per share

Options Exercise

Transaction value
Shares: +327,054
Change %: +8.6%
Price
Shares after: 4,134,214
Date: 18 May 2026
Ownership: Direct
Footnotes: F1

WULF transaction

Common stock, $0.001 par value per share

Disposed to Issuer

Transaction value
Shares: -128,695
Change %: -3.1%
Price
Shares after: 4,005,519
Date: 18 May 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WULF transaction Derivative

Performance-Based Restricted Stock Units

Options Exercise

Transaction value
Shares: -327,054
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 18 May 2026
Ownership: Direct
Underlying class: Common stock, $0.001 par value per share
Underlying amount: 327,054
Exercise price
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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