Tue, Apr 14, 2026
Apr 14
47,814 shares @ $44.51
Decreased holdings by -1.40%
14th largest trade (out of 68)
Large TradePositive 90D History
Trade made by a director
10b5-1 scheduled trade
86% win rate · +10.6% median edge vs SPY (43 trades, 90-day)
Price 33% 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