Thu, Jun 12, 2025
Jun 12
19,959 shares @ $0.00
New position
Cluster BuyPositive 90D History
Trade made by a director
Part of a cluster of 7 transactions by 7 insiders
Unscheduled trade
78% win rate · +24.6% median edge vs SPY (9 trades, 90-day · small sample)
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