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Are YD Bio Insiders Buying or Selling?
YD Bio (YDES) has had 3 insider transactions in the past 90 days, all buys — insider buying is generally read as a bullish signal. The most recent was Shen Ethan PhD, who bought 12,700 shares at $3.85 on September 14, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the YDES AI Score. For government officials trading this stock, see YDES congressional trading.
Who’s Trading YD Bio Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| Shen Ethan PhD | Bought $130,000 | 3 | Sep 14, 2026 |
Recent YD Bio Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Shen Ethan PhD | Sep 14, 2026 | Buy | 12,700 | $3.85 | $49,000 |
| Shen Ethan PhD | Sep 9, 2026 | Buy | 3,100 | $3.93 | $12,000 |
| Shen Ethan PhD | Sep 4, 2026 | Buy | 18,378 | $3.67 | $67,000 |
Frequently Asked Questions: YD Bio Insider Trading
In the past 90 days, YD Bio insiders have made 3 buys and 0 sells. The net buying may indicate insider confidence in the company’s outlook.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
Shen Ethan PhD has bought the most YDES stock in the last 2 years, with a total value of $130,000.
According to our estimates, the total value of insider transactions for YD Bio in the last 2 years is positive, amounting to $130,000. This indicates that insiders have predominantly bought shares, showcasing their confidence in the company's future prospects.
