Grant4

WhiteFiber, Inc.

Total Value

$213.8K

Filing Date

Oct 16, 2026

1 transaction

Trade Summary

On Aug 27, 2026 through Oct 15, 2026, Zhu Justin, Chief Financial Officer, reported $213.8K of WhiteFiber, Inc. (WYFI) across 1 transaction. The filing covers Ordinary Shares and reflects balanced net activity of $0. Reported prices ranged from $12.20 to $20.39. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Insider Information

Name: Zhu Justin
Role: Chief Financial Officer
Location: NEW YORK, NY

Filing Details

Filing Date: Oct 16, 2026
Transaction Date: Aug 27, 2026
Accession Number: 0001213900-26-110433
Form Type: 4

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Aug 27, 2026	Ordinary Shares	2,060	$20.39	Tax Withholding	$42.0K
Oct 14, 2026	Ordinary Shares	26,374	—	Grant/Award	—
Oct 15, 2026	Ordinary Shares	14,080	$12.20	Tax Withholding	$171.8K

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Footnotes

(F1)Represents Ordinary Shares, sold on August 27, 2026, to pay tax liability of the shares issued on August 1, 2026, upon the vesting of RSUs granted under the Issuer's Plan pursuant to Rule 16b-3. This does not represent a discretionary transaction by a reporting person.
(F2)The price reported in Column 4 is a weighted average price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, with full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(F3)Represents Ordinary Shares issued upon vesting of restricted stock units ("RSUs") awarded under the Company's 2025 Omnibus Equity Incentive Plan (the "Plan") on the date the applicable performance milestone was achieved.
(F4)These shares were valued at $18.01 the closing market price on September 30, 2026, when the RSUs vested.
(F5)Represents Ordinary Shares, sold on October 15, 2026, to pay tax liability of the shares issued on October 14, 2026 relating to the shares granted on September 30, 2026, upon the vesting of RSUs granted under the Issuer's Plan pursuant to Rule 16b-3. This does not represent a discretionary transaction by a reporting person.

SEC Form 4

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

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^*

Zhu Justin

(Last)

(First)

(Middle)

C/O WHITEFIBER, INC., 31 HUDSON

YARDS, FLOOR 11, SUITE 30

(Street)

NEW YORK

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)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/27/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	08/27/2026		F		2,060⁽¹⁾	D	$20.39⁽²⁾	11,641	D
Ordinary Shares	10/14/2026		A		26,374⁽³⁾	A	⁽⁴⁾	38,015	D
Ordinary Shares	10/15/2026		F		14,080⁽⁵⁾	D	$12.2⁽²⁾	23,935	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents Ordinary Shares, sold on August 27, 2026, to pay tax liability of the shares issued on August 1, 2026, upon the vesting of RSUs granted under the Issuer's Plan pursuant to Rule 16b-3. This does not represent a discretionary transaction by a reporting person.

2. The price reported in Column 4 is a weighted average price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, with full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. Represents Ordinary Shares issued upon vesting of restricted stock units ("RSUs") awarded under the Company's 2025 Omnibus Equity Incentive Plan (the "Plan") on the date the applicable performance milestone was achieved.

4. These shares were valued at $18.01 the closing market price on September 30, 2026, when the RSUs vested.

5. Represents Ordinary Shares, sold on October 15, 2026, to pay tax liability of the shares issued on October 14, 2026 relating to the shares granted on September 30, 2026, upon the vesting of RSUs granted under the Issuer's Plan pursuant to Rule 16b-3. This does not represent a discretionary transaction by a reporting person.

	/s/ Justin Zhu	10/16/2026
	** 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.
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 as rendered by the SEC from accession 0001213900-26-110433.

WhiteFiber, Inc.

Trade Summary

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

SEC Form 4