Mon, Feb 10, 2025
Feb 10
550,000 shares @ $18.00
Increased holdings by +17.40%
17th largest trade (out of 310)
Large TradeCluster Buy
Trade made by a director
Part of a cluster of 52 transactions by 16 insiders
Unscheduled trade
50% win rate · +6.8% median edge vs SPY (147 trades, 90-day)
Insider trade was 19% below market price
Micro Cap stock — higher insider information edge
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