MarketPeel
Insider Trading Intelligence
Sat, Apr 18, 2026
Apr 18
sold $131.24k of SION
2,948 shares @ $44.52
Decreased holdings by -0.10%
164th largest trade (out of 311)
Planned (10b5-1)
Trade made by a director
Executed under a pre-scheduled Rule 10b5-1 plan
56% win rate · +9.8% median edge vs SPY (195 trades, 90-day)
Win rate excludes trades classified as routine (tax, 10b5-1, exercise, gift).
SIONSionna Therapeutics, Inc.
HealthcareBiotechnology
1D0.00%
1W-10.84%
1M-87.21%
3M
6M
1Y

Recent insider activity at SION

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