Nasdaq · CIK 0002011674
YDES YD Bio Ltd
Insider trading from SEC Form 4. Last filing 7 d ago. Close $6.73 on Oct 9, 2026, +254% from the 52-week low and -67% from the high.
YD Bio Ltd (YDES) has 6 SEC Form 4 filings on file from 3 insiders, the latest filed on Oct 6, 2026. In the last 90 days insiders made 3 open-market buys worth $129k and 0 open-market sells worth $0, net +$129k.
3 open-market trades have been scored at YDES. The newest: Ethan Shen PhD (CEO) bought $49k of stock on Sep 14, 2026, filed Sep 16, 2026, scored 32 (weak). The largest of the 3 shown: Ethan Shen PhD (CEO) bought $67k on Sep 4, 2026, scored 28 (weak).
YDES closed at $6.73 on Oct 9, 2026, 254% above its 52-week low and 67% below its 52-week high.
Last 90 days
Price and insider trades, last year
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
Open-market buys and sells at YD Bio Ltd, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 32Weak | Ethan Shen PhD CEO buy | $49k 12,700 shares | +0% | - | |
| 25Weak | Ethan Shen PhD CEO buy | $12k 3,100 shares | +0% | - | |
| 28Weak | Ethan Shen PhD CEO buy | $67k 18,378 shares | +0% | - |
Transactions
Every row filed, 12 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | Kochi Chang director | MOption exercise Ordinary Shares | +3,135 | - | - | 10,965 | 7 d ago |
| Sep 30, 2026 | Shao-Ta Lu director | MOption exercise Ordinary Shares | +3,135 | - | - | 10,965 | 7 d ago |
| Sep 30, 2026 | Kochi Chang director | AGrant or award Restricted Share Unitsderivative | +3,135 | $0.00 | $0 | 3,135 | 7 d ago |
| Sep 30, 2026 | Kochi Chang director | MOption exercise Restricted Share Unitsderivative | -3,135 | $0.00 | $0 | 0 | 7 d ago |
| Sep 30, 2026 | Shao-Ta Lu director | AGrant or award Restricted Share Unitsderivative | +3,135 | $0.00 | $0 | 3,135 | 7 d ago |
| Sep 30, 2026 | Shao-Ta Lu director | MOption exercise Restricted Share Unitsderivative | -3,135 | $0.00 | $0 | 0 | 7 d ago |
| Sep 14, 2026 | Ethan Shen PhD CEO | POpen-market purchase Ordinary Shares | +12,700 | $3.85 | $49k | 11,258,331 | 27 d ago |
| Sep 9, 2026 | Ethan Shen PhD CEO | POpen-market purchase Ordinary Shares | +3,100 | $3.93 | $12k | 11,245,631 | 33 d ago |
| Sep 4, 2026 | Ethan Shen PhD CEO | POpen-market purchase Ordinary Shares | +18,378 | $3.67 | $67k | 11,242,531 | 35 d ago |
| Mar 31, 2026 | Kochi Chang director | MOption exercise Ordinary Shares | +2,081 | - | - | 2,081 | Apr 2, 2026 |
| Mar 31, 2026 | Kochi Chang director | AGrant or award Restricted Share Unitsderivative | +2,081 | $0.00 | $0 | 2,081 | Apr 2, 2026 |
| Mar 31, 2026 | Kochi Chang director | MOption exercise Restricted Share Unitsderivative | +2,081 | $0.00 | $0 | 0 | Apr 2, 2026 |
Questions about YDES
Answered from the filings on this page, as of the latest one.
Are insiders buying YDES?
As of Oct 6, 2026, SEC Form 4 filings show 3 open-market buys worth $129k by 1 insider and 0 open-market sells worth $0 by 0 insiders at YD Bio Ltd in the last 90 days, net +$129k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade YDES on the open market?
Ethan Shen PhD (CEO) bought $49k of YDES on Sep 14, 2026 and filed the Form 4 on Sep 16, 2026. InsiderTell scored 32 (weak).
How many insiders file Form 4 at YD Bio Ltd?
3 people have filed a Form 4 at YD Bio Ltd, among them Kochi Chang (director), Shao-Ta Lu (director), Ethan Shen PhD (CEO). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
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.