Fri, Dec 19, 2025
Dec 19
875 shares @ $44.49
Decreased holdings by 0.00%
24th largest trade (out of 51)
Positive 90D History
Trade made by a director
10b5-1 scheduled trade
80% win rate · +19.6% median edge vs SPY (15 trades, 90-day · small sample)
Price 85% above 200-day moving average
Small Cap stock — insider trades carry more weight
Recent insider activity at SION
Jun 30ORBIMED ADVISORS LLCSold$5.27mMay 27ORBIMED ADVISORS LLCSold$4.49kMay 11OrbiMed Capital GP VIII LLCSold$8.53mMay 8ORBIMED ADVISORS LLCSold$2.66mMay 7ORBIMED ADVISORS LLCSold$2.17mApr 18ORBIMED ADVISORS LLCSold$131.24kApr 17OrbiMed Capital GP VIII LLCSold$2.34mApr 16OrbiMed Capital GP VIII LLCSold$10.29m