MarketPeel
Insider Trading Intelligence
Tue, Apr 14, 2026
Apr 14
sold $2.13m of SION
47,814 shares @ $44.51
Decreased holdings by -1.40%
Large Trade
Trade made by a director
10b5-1 scheduled trade
57% win rate · +9.8% median edge vs SPY (193 trades, 90-day)
Price 33% 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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