Insider · CIK 0001930732
David Jin
Files at FBIO (Fortress Biotech, Inc.), MBIO (MUSTANG BIO, INC.). First filing Dec 30, 2025, latest Dec 30, 2025.
David Jin files SEC Form 4 as CFO and director at MBIO (MUSTANG BIO, INC.), and also at FBIO (Fortress Biotech, Inc.). Since Dec 30, 2025, David Jin has reported 1 open-market buy worth $238 and 0 open-market sells worth $0, the latest filed on Dec 30, 2025.
A track record needs three past buys with six months of prices behind them; David Jin has 0, so none is measured yet.
The newest scored trade: bought $238 of MBIO on Dec 30, 2025, filed Dec 30, 2025, scored 25 (weak). In the last 12 months: 1 buy worth $238 and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MBIO: MUSTANG BIO, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 7 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | FBIO Fortress Biotech, Inc. | AGrant or award Common Stock, par value $0.001 | +1,190 | $1.82 | $2,165 | 1,652,761 | 12 d ago |
| Jun 22, 2026 | FBIO Fortress Biotech, Inc. | AGrant or award Common Stock, par value $0.001 | +400,000 | $0.00 | $0 | 1,651,571 | Jun 24, 2026 |
| Apr 1, 2026 | FBIO Fortress Biotech, Inc. | AGrant or award Common Stock, par value $0.001 | +2,967 | $2.18 | $6,456 | 1,251,571 | Apr 1, 2026 |
| Dec 30, 2025 | MBIO MUSTANG BIO, INC. | POpen-market purchase COMMON STOCK, PAR VALUE $0.0001 | +247 | $0.96 | $238 | 286 | Dec 30, 2025 |
| Oct 1, 2025 | FBIO Fortress Biotech, Inc. | AGrant or award Common Stock, par value $0.001 | +2,711 | $1.31 | $3,549 | 1,248,604 | Oct 2, 2025 |
| Apr 1, 2025 | FBIO Fortress Biotech, Inc. | AGrant or award Common Stock, par value $0.001 | +5,000 | $1.22 | $6,078 | 1,245,893 | Apr 1, 2025 |
| Dec 19, 2024 | FBIO Fortress Biotech, Inc. | AGrant or award Common Stock, par value $0.001 | +1,000,000 | $0.00 | $0 | 1,240,893 | Dec 23, 2024 |
Questions about David Jin
Answered from the filings on this page, as of the latest one.
Is David Jin buying or selling?
In the last 12 months David Jin reported 1 open-market buy worth $238 and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $238 of MBIO on Dec 30, 2025. Grants, option exercises and tax withholding are not counted.
How did David Jin's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and David Jin has 0.
Where does David Jin file Form 4?
David Jin has filed Form 4 at MBIO (MUSTANG BIO, INC.); FBIO (Fortress Biotech, 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.