MarketPeel
Insider Trading Intelligence
Thu, May 7, 2026
May 7
sold $2.17m of SION
48,546 shares @ $44.61
Decreased holdings by -1.60%
Large TradePositive 90D History
Trade made by a director
10b5-1 scheduled trade
81% win rate · +10.0% median edge vs SPY (43 trades, 90-day)
Price 25% above 200-day moving average
Small Cap stock — insider trades carry more weight
Win rate excludes trades classified as routine (tax, 10b5-1, exercise, gift).
SIONSionna Therapeutics, Inc.
HealthcareBiotechnology
1D0.00%
1W-18.11%
1M-88.42%
3M
6M
1Y

Recent insider activity at SION

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