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Form 4 WhiteFiber, Inc. For: Jan 13 Filed by: Krassakopoulos Billy

March 17, 2026 4:32 PM
FORM 4 UNITED 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
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OMB Number: 3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Krassakopoulos Billy
(Last) (First) (Middle)
C/O WHITEFIBER, INC 31 HUDSON YARDS
FLOOR 11, SUITE 30
(Street)
NEW YORK NY 10001
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
WhiteFiber, Inc. [ WYFI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
President
3. Date of Earliest Transaction (Month/Day/Year)
01/13/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Ordinary Shares, $.01 par value 03/16/2026 03/16/2026 M 15,624 (1) A (2) 27,427 D
Ordinary Shares, $.01 par value 01/13/2026 01/13/2026 M 327 (3) A (4) 11,803 D
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (5) $ 0.01 03/16/2026 03/16/2026 A 15,624 (6) 03/12/2035 Ordinary Shares, $.01 par value 15,624 $ 0 15,624 D
Restricted Stock Units (3) $ 0.01 01/13/2026 01/13/2026 A 327 (3) 03/12/2035 Ordinary Shares, $.01 par value 327 $ 0 327 D
Explanation of Responses:
1. Represents Ordinary Shares issued upon the immediate vesting of restricted stock units ("RSUs") awarded under the Company's 2025 Omnibus Equity Incentive Plan (the "Plan").
2. These shares were valued at $15.80 the closing market price on December 31, 2025, the Measurement Date under the RSU.
3. Represents 327 Ordinary Shares issued on January 13, 2026, as a result of an administrative error related to the October 31, 2025 issuance. The RSUs were issued in exchange for Bit Digital, Inc. RSUs previously granted to Mr. Krassakopoulos by Bit Digital, Inc. prior to the IPO of WhiteFiber, Inc.
4. These shares were valued at $18.43 the closing market price on January 13, 2026. This does not represent a discretionary transaction by a reporting person.
5. Thee RSUs are Performance Vesting RSUs under an RSU Award Agreement dated August 7, 2025 based on Growth EBITDA as of December 31, 2025.
6. The performance RSUs were vested on March 16, 2026, the date when vesting was determined by the Company.
/s/ Billy Krassakopoulos 03/17/2026
** Signature of Reporting Person Date
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.
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