Thomas Sanfilippo - 31 Oct 2026 Form 4 Insider Report for WhiteFiber, Inc. (WYFI)

Reporting relationship: Chief Technology Officer
Issuer ticker: WYFI
Reported as of: 31 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Nov 2026, 17:45:43 UTC
Prior SEC filing: 16 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Thomas Sanfilippo

Filing notes and source

Key filing fact

Thomas Sanfilippo filed Form 4 for WhiteFiber, Inc. (WYFI) on 03 Nov 2026.

Key facts

This page summarizes Thomas Sanfilippo's Form 4 filing for WhiteFiber, Inc. (WYFI).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Nov 2026, 17:45.

Change

Previous filing in this sequence was filed on 16 Oct 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 0002058414 Primary reporting owner

Sanfilippo Thomas

Relationship: Chief Technology Officer
Address: C/O WHITEFIBER, INC., 31 HUDSON YARDS, FLOOR 11, SUITE 30, NEW YORK
Signature: /s/ Thomas Sanfilippo
Signature date: 02 Nov 2026

Reported non-derivative transactions

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

WYFI transaction

Ordinary Shares, $0.01 par value

Options Exercise

Transaction value
Shares: +4,412
Change %: +22%
Price
Shares after: 24,885
Date: 31 Oct 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

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

WYFI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -4,412
Change %: -11%
Price: $0.000000^*
Shares after: 35,296
Date: 31 Oct 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 4,412
Exercise price
Footnotes: F2, 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

Represents 4,412 Ordinary Shares, par value $0.01 per share, of the Issuer, which were issued upon vesting of Restricted Stock Units ("RSUs") on October 31, 2026, under the Issuer's 2025 Omnibus Equity Incentive Plan (the "Plan") pursuant to Rule 16b-3, of which a total of 35,292 have vested.

Footnote F2

RSUs convert into Ordinary Shares on a one-for-one basis.

Footnote F3

On September 11, 2025, the Reporting Person was initially granted 70,588 RSUs, vesting 12 equal quarterly installments with a one-year cliff, beginning on October 31, 2025.