Thomas Sanfilippo - 31 Dec 2025 Form 5/A - Amendment Insider Report for WhiteFiber, Inc. (WYFI)

Reporting relationship: Chief Technology Officer
Issuer ticker: WYFI
Reported as of: 31 Dec 2025
Net transaction value: +$475,106
SEC form: 5/A - Amendment
Accepted by SEC: 12 Feb 2026, 17:08:25 UTC
Original report date: 06 Feb 2026
Prior SEC filing: 06 Aug 2025
Next SEC filing: 12 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Erke Huang, Attorney-in-Fact

Key filing fact

Thomas Sanfilippo filed Form 5/A - Amendment for WhiteFiber, Inc. (WYFI) on 12 Feb 2026.

Key facts

This page summarizes Thomas Sanfilippo's Form 5/A - Amendment filing for WhiteFiber, Inc. (WYFI).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 12 Feb 2026, 17:08.

Change

Previous filing in this sequence was filed on 06 Aug 2025.
Current net transaction value: +$475,106.

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

Official SEC source

Ownership activity is grounded in SEC Form 5/A - Amendment 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/ Erke Huang, Attorney-in-Fact
Signature date: 12 Feb 2026

Reported non-derivative transactions

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

WYFI transaction

Ordinary Shares, $.01 par value

Tax liability

Transaction value: $242,279
Shares: -13,082
Change %: -67%
Price: $18.52
Shares after: 6,544
Date: 31 Oct 2025
Ownership: Direct
Footnotes: F2, F3

WYFI transaction

Ordinary Shares, $.01 par value

Options Exercise

Transaction value: $717,385
Shares: +24,033
Change %
Price: $29.85
Shares after: 17,644
Date: 31 Oct 2025
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 Unit

Award

Transaction value: $0
Shares: +76,977
Change %
Price: $0.000000
Shares after: 59,333
Date: 31 Oct 2025
Ownership: Direct
Underlying class: Ordinary Shares, $.01 par value
Underlying amount: 76,977
Exercise price: $0.0100
Footnotes: F4, F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Represents Ordinary Shares issued on October 31, 2025, under WhiteFiber, Inc.'s 2025 Omnibus Equity Incentive Plan (the "Plan"), due to vesting of the Restricted Stock Units ("RSUs") granted under the Plan on September 11, 2025 and not previously reported on Form 4. The RSUs were issued in exchange for Bit Digital, Inc. RSUs previously granted to Mr. Sanfilippo by Bit Digital, Inc. prior to the IPO of WhiteFiber, Inc. Includes 6,389 Ordinary Shares issued on January 13, 2026, as a result of an administrative error related to the October 31, 2025 issuance.

Footnote F2

Each RSU represents the right to receive, at settlement, one Ordinary Share. This transaction represents the settlement of RSUs in Ordinary Shares on their scheduled vesting date and the average closing price was determined on the dates thereof in accordance with applicable terms of the RSU.

Footnote F3

Represents Ordinary Shares sold to pay tax liability upon the vesting of the RSUs awarded under the Company's 2025 Omnibus Equity Incentive Plan (the "Plan") pursuant to Rule 16b-3 including the 6,389 Ordinary Shares issued on January 13, 2026 described in Note 1 above. This does not represent a discretionary transaction by a reporting person.

Footnote F4

This award was granted on September 11, 2025, and first vested on October 31, 2025.

Footnote F5

These RSUs shall vest in equal quarterly installments ending on October 31, 2028.