Thomas Sanfilippo

Thomas Sanfilippo: Chief Technology Officer at WhiteFiber. What Thomas Sanfilippo holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

WhiteFiber (WYFI)

Thomas Sanfilippo holds 13,863 WhiteFiber shares (0.04% of the company), worth about $208,707.47 at the last price, according to the Form 4 of May 7, 2026.

• Shares held: 13,863 (0.04%), $208,707.47 — Held in their own name.
• Share units: 59,333 (0.15%), $893,258.32 — WhiteFiber promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.

Declarations

• WhiteFiber (WYFI) — Form 4 of May 7, 2026 (Chief Technology Officer): shares withheld for tax of 955 at $21.00; shares withheld for tax of 1,500 at $19.31; 13,863 shares after 0001213900-26-054093
• WhiteFiber (WYFI) — Form 4/A of Feb 4, 2026 (Chief Technology Officer): option exercise or conversion of 4; 15,363 shares after 0001213900-26-015619
• WhiteFiber (WYFI) — Form 4 of Feb 4, 2026 (Chief Technology Officer): option exercise or conversion of 4,412; 28,445 shares after 0001213900-26-012865
• WhiteFiber (WYFI) — Form 5/A of Dec 31, 2025 (Chief Technology Officer): shares withheld for tax of 13,082 at $18.52; option exercise or conversion of 24,033 at $29.85; 17,644 shares after 0001213900-26-015665
• WhiteFiber (WYFI) — Form 5 of Dec 31, 2025 (Chief Technology Officer): option exercise or conversion of 24,033 at $29.85; shares withheld for tax of 8,226 at $29.46; 11,813 shares after 0001213900-26-013303
• WhiteFiber (WYFI) — Form 3 of Aug 6, 2025 (Chief Technology Officer); 0 shares after 0001213900-25-072663

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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