MarketPeel
Tue, Oct 28, 2025
Oct 28
sold $1.24m of SION
31,392 shares @ $39.58
Decreased holdings by -4.20%
154th largest trade (out of 452)
Large Trade
Trade made by a director
52% win rate · +5.3% median edge vs SPY (170 trades, 90-day)
Price 108% 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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