Insider · CIK 0002082678
Justin Zhu
Files at BTBT (Bit Digital, Inc), WYFI (WhiteFiber, Inc.). First filing -, latest -.
In brief
Justin Zhu files SEC Form 4 as CFO at BTBT (Bit Digital, Inc), and also at WYFI (WhiteFiber, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Justin Zhu has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 11 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 1, 2026 | WYFI WhiteFiber, Inc. | AGrant or award Ordinary Shares | +4,219 | - | - | 13,701 | Aug 4, 2026 |
| Apr 2, 2026 | BTBT Bit Digital, Inc | FTax withholding Ordinary Shares, $.01 par value | -40,165 | - | - | 102,375 | Apr 3, 2026 |
| Mar 16, 2026 | BTBT Bit Digital, Inc | MOption exercise Ordinary Shares, $.01 par value | +3,125 | - | - | 50,425 | Mar 27, 2026 |
| Mar 19, 2026 | BTBT Bit Digital, Inc | FTax withholding Ordinary Shares, $.01 par value | -1,775 | - | - | 48,650 | Mar 27, 2026 |
| Mar 25, 2026 | BTBT Bit Digital, Inc | MOption exercise Ordinary Shares, $.01 par value | +94,340 | - | - | 142,990 | Mar 27, 2026 |
| Mar 25, 2026 | BTBT Bit Digital, Inc | AGrant or award Restricted Stock Unitsderivative | +94,340 | $0.00 | $0 | 94,340 | Mar 27, 2026 |
| Dec 29, 2025 | BTBT Bit Digital, Inc | FTax withholding Ordinary Shares, $.01 par value | -1,165 | - | - | 47,300 | Dec 29, 2025 |
| Sep 24, 2025 | BTBT Bit Digital, Inc | FTax withholding Ordinary Shares, $.01 par value | -1,038 | $3.21 | $3,335 | 45,340 | Sep 24, 2025 |
| Aug 21, 2025 | BTBT Bit Digital, Inc | FTax withholding Ordinary Shares, $.01 par value | -20,077 | $2.71 | $54k | 43,253 | Aug 22, 2025 |
| Jul 25, 2025 | BTBT Bit Digital, Inc | MOption exercise Ordinary Shares, $.01 par value | +47,619 | - | - | 63,330 | Aug 20, 2025 |
| Jul 25, 2025 | BTBT Bit Digital, Inc | AGrant or award Restricted Stock Unitsderivative | +47,619 | $0.00 | $0 | 47,619 | Aug 20, 2025 |
Questions about Justin Zhu
Answered from the filings on this page, as of the latest one.
Is Justin Zhu buying or selling?
Justin Zhu has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Justin Zhu's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Justin Zhu has 0.
Where does Justin Zhu file Form 4?
Justin Zhu has filed Form 4 at BTBT (Bit Digital, Inc) as VP of Finance & CAO; WYFI (WhiteFiber, Inc.) as Chief Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.