Every Form 4 that WhiteFiber, Inc. (WYFI) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow WYFI and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full WYFI filings page.
WhiteFiber, Inc. Chief Technology Officer Thomas Sanfilippo received 4,412 ordinary shares when 4,412 RSUs vested on July 31, 2026; the RSU row reports 39,708 RSUs following the transaction. On August 5, he sold 1,259 ordinary shares to pay tax liability at a weighted-average price of $26.34 per share, with transaction prices ranging from $26.33 to $26.36, inclusive. The footnote says the sale was not discretionary, and no Rule 10b5-1 plan is reported.
Samir Tabar, WhiteFiber, Inc.'s Chief Executive Officer and director, acquired 54,137 ordinary shares in a transaction dated October 14, 2026. His reported direct holdings afterward were 283,303 shares. The shares were issued upon vesting of restricted stock units awarded under the company's 2025 Omnibus Equity Incentive Plan when the applicable performance milestone was achieved. The footnote values the shares at $18.01 using the September 30, 2026 closing market price, and identifies that date as when the RSUs vested.
WhiteFiber, Inc. (WYFI) Chief Financial Officer Justin Zhu acquired 26,374 Ordinary Shares on October 14, 2026, issued upon vesting of RSUs when a performance milestone was achieved. The shares were valued using the $18.01 closing market price on September 30, 2026. He disposed of 14,080 shares on October 15, 2026, to pay tax liability on the October 14 issuance, at a $12.20 weighted average price, and 2,060 shares on August 27, 2026, to pay tax liability on shares issued August 1, 2026, at a $20.39 weighted average price. The footnotes state that neither tax-liability transaction represented a discretionary transaction by a reporting person.
WhiteFiber, Inc. (WYFI) director Shih Ichi reported selling 7,059 Ordinary Shares of WhiteFiber on May 29, 2026 in an open market or private transaction at a price of $30.12 per share. After this transaction, Shih Ichi directly holds 4,657 Ordinary Shares of WhiteFiber.
Zhu Justin reported acquisition or exercise transactions in this Form 4 filing.
WhiteFiber, Inc. reported that Chief Financial Officer Justin Zhu received 4,219 Ordinary Shares on August 1, 2026, through the vesting of Restricted Stock Units granted as a signing bonus under his employment agreement. The shares were valued at $23.70 per share, based on the July 31, 2026 closing price, and increased his direct holdings to 13,701 Ordinary Shares in a transaction exempt under Rule 16b-3.
Shih Ichi reported acquisition or exercise transactions in this Form 4 filing.
WhiteFiber, Inc. director Shih Ichi received an equity award of 4,657 Ordinary Shares on August 3, 2026, issued upon vesting of Restricted Stock Units under the company’s 2025 Omnibus Equity Incentive Plan. The shares were valued at $25.77 each, and Ichi now holds 4,657 Ordinary Shares directly.
WhiteFiber, Inc. reported that CEO Samir Tabar received a grant of 7,079 performance-based restricted stock units (RSUs) under the 2025 Omnibus Equity Incentive Plan. These RSUs immediately vested and converted into 7,079 Ordinary Shares, bringing his direct holdings to 229,166 Ordinary Shares. The vested shares were valued at $38.85 per share, based on the June 30, 2026 closing market price.
WhiteFiber, Inc. CEO Samir Tabar received a grant of 41,982 performance-based RSUs on March 31, 2026 under the 2025 Omnibus Equity Incentive Plan. The RSUs vested immediately when a performance milestone was achieved and converted into 41,982 Ordinary Shares valued at $11.91 per share, bringing his direct holdings to 222,087 Ordinary Shares.
Huang Erke reported acquisition or exercise transactions in this Form 4 filing.
WhiteFiber, Inc. reported that Chief Financial Officer Erke Huang received a grant of 7079 restricted stock units (RSUs) on July 24, 2026 under the 2025 Omnibus Equity Incentive Plan. These performance-based RSUs immediately vested, resulting in the issuance of 7079 Ordinary Shares valued at $38.85 per share, increasing his direct holdings to 203390 Ordinary Shares.
Huang Erke reported acquisition or exercise transactions in this Form 4 filing.
WhiteFiber, Inc. director and Chief Financial Officer Huang Erke received 41,982 performance-based restricted stock units and an equivalent 41,982 Ordinary Shares on March 31, 2026, upon achievement of a performance milestone under the company's 2025 Omnibus Equity Incentive Plan.
The RSUs were granted in an exempt transaction pursuant to Rule 16b-3, vested immediately on the grant date, were valued at $11.91 per share, and Huang now directly holds 196,311 Ordinary Shares plus 41,982 RSUs.
WhiteFiber, Inc. Chief Technology Officer Thomas Sanfilippo reported share dispositions tied to tax withholding on vested equity awards. On May 7, 2026, 955 Ordinary Shares at $21.00 per share were delivered to cover tax liabilities from RSU vesting under the 2025 Omnibus Equity Incentive Plan. A prior tax-withholding disposition on February 10, 2026 involved 1,500 shares at $19.31 per share. After the most recent event, he holds 17,320 Ordinary Shares directly, and the filing notes these were not discretionary market transactions.
WhiteFiber, Inc. President Billy Krassakopoulos reported a routine tax‑withholding share disposition. On April 28, 2026, 8,490 Ordinary Shares were sold by the issuer at an average price of $15.48 solely to cover tax obligations from RSU vesting.
Footnotes state this was not a discretionary sale by the reporting person. After this transaction, Krassakopoulos directly holds 18,937 Ordinary Shares, and no derivative positions are shown in this filing.
WhiteFiber, Inc. disclosed that Chief Financial Officer Huang Erke received an equity award tied to company stock. On March 19, 2026, Huang was granted 66,094 restricted stock units (RSUs) under WhiteFiber’s 2025 Omnibus Equity Incentive Plan. Each RSU represents the right to receive one ordinary share.
According to the filing, these performance-based RSUs vested immediately and were settled in 66,094 ordinary shares, reflected as an exercise or conversion transaction. The footnotes state the issued shares were valued at $15.13 per share based on the closing market price on March 19, 2026. Following the transactions, Huang directly owns 154,329 ordinary shares.
Tabar Samir reported acquisition or exercise transactions in this Form 4 filing.
WhiteFiber, Inc. Chief Executive Officer Tabar Samir received an equity award tied to company performance. He was granted 33,047 restricted stock units (RSUs) under WhiteFiber’s 2025 Omnibus Equity Incentive Plan, each RSU representing one Ordinary Share.
These performance-based RSUs immediately vested into 33,047 Ordinary Shares on March 19, 2026, issued at no cash cost to Samir and valued at $15.13 per share based on that day’s closing market price. Following the issuance, he directly holds 180,105 Ordinary Shares. The grant and vesting were made under an exempt transaction pursuant to Rule 16b-3.
Krassakopoulos Billy reported acquisition or exercise transactions in this Form 4 filing.
WhiteFiber, Inc. President Billy Krassakopoulos reported equity compensation activity rather than open‑market trading. He received 15,624 restricted stock units under WhiteFiber's 2025 Omnibus Equity Incentive Plan that vested based on Growth EBITDA as of December 31, 2025, resulting in the same number of ordinary shares issued on March 16, 2026.
He also received 327 additional RSUs and related ordinary shares on January 13, 2026 due to an administrative correction tied to a prior Bit Digital, Inc. award, which the company notes was not a discretionary transaction. Following these transactions, he directly holds 27,427 ordinary shares.
WhiteFiber, Inc. officer equity vesting reported. The company’s Chief Technology Officer filed an amended insider report showing receipt of 4,412 Ordinary Shares on February 4, 2026 from previously granted Restricted Stock Units under the 2025 Omnibus Equity Incentive Plan.
After this vesting event, the officer beneficially owns 15,363 Ordinary Shares directly. The filing notes that 48,532 remaining RSUs are scheduled to vest in equal quarterly installments from February 1, 2026 through October 31, 2028. The vested RSUs were valued at $19.51 per share, the closing market price on January 30, 2026.
WhiteFiber, Inc. Chief Technology Officer Thomas Sanfilippo reported the vesting of 4,412 Restricted Stock Units, which were settled in Ordinary Shares on February 4, 2026 under the company’s 2025 Omnibus Equity Incentive Plan. Following this transaction, he beneficially owns 28,445 Ordinary Shares directly.
The vested RSUs had been valued at $19.51 per share, based on the closing market price on January 30, 2026, the last trading day before vesting. An additional 48,532 RSUs from the same grant are scheduled to vest in equal quarterly installments from February 1, 2026 through October 31, 2028.
WhiteFiber, Inc. (WYFI) president Billy Krassakopoulos reported receiving 2,653 Ordinary Shares on November 17, 2025 through the company’s 2025 Omnibus Equity Incentive Plan. These shares came from an exchange of restricted share units (RSUs) originally issued by Bit Digital, Inc. An aggregate of 661 RSUs vested on October 31, 2025, and the remaining 1,992 RSUs are scheduled to vest in 13 quarterly installments. Following this transaction, he directly beneficially owns 11,476 Ordinary Shares, and the shares involved in the transaction were valued at $18.25, the closing market price on November 17, 2025.