SION

Sionna Therapeutics, Inc.
3.87 -3.25% 2026-10-30

Last 90d 1 insider sale

52-week range
3.55 54.97
1-month-24.1%
3-month-92.1%
1-year-89.7%
vs 50-day-28.9%
vs 200-day-87.1%
Volatility121%
Beta1.35
$ vol/day$4M
ATH54.97
From ATH-93.0%
Next report2026-11-05
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2026AprJulOct

bought sold · bigger dot, bigger trade · follows the chart’s range

WhenPeople SizeValuePrice
1mo sell 1 $21,835,018 5.92
4mo sched 2 $7,708,563 44.78
4mo sched 1 $446,862 44.82
4mo sched 2 $10,541,804 42.67
5mo sched 2 $8,987 42.96
6mo sched 2 $26,728,129 46.47
6mo sched 2 $4,944,686 42.38
7mo sched 2 $45,890,087 44.46
8mo sched 1 $347,065 34.50
9mo sched 2 $2,759,732 42.79
9mo sell 1 $10,000,000 41.51
10mo sched 2 $2,972,020 43.90
10mo sched 2 $166,856 43.62
11mo sched 1 $415,330 41.16
11mo sched 2 $9,628,410 44.16
11mo sell 1 $1,200,704 44.13
11mo sell 1 $5,500,158 39.48
1.0y sell 1 $14,762,604 38.73
1.0y sched 1 $3,618,560 39.16
1.0y sched 1 $3,041,683 37.69
1.0y sched 1 $9,251,102 31.95
1.0y sched 1 $788,129 32.45
1.0y sched 1 $5,939,784 30.67
1.1y sched 1 $1,485,790 28.72
1.1y sched 1 $2,367,473 29.02
1.1y sched 1 $727,874 29.05
1.2y sched 1 $236,980 23.32
1.2y sched 1 $240,442 25.39
1.2y sched 2 $1,226,229 25.79
1.2y sched 2 $1,693,085 22.37
1.3y buy 1 $950,400 17.34
1.7y buy 1 $20,250,000 20.58
1.7y buy 5 $42,210,000 23.37

Next report 2026-11-05 (Thursday, before open, in 5 days) · EPS estimate -0.68. It has finished the next session higher 43% of the time, average move 6.1%.

Day-after move, last 7 reports, oldest left.

ReportedEst.Actual SurpriseGapDay 1Day 5
2026-08-06 miss -0.65 -0.66 -2.0% -0.5% +4.8% -86.2%
2026-05-12 miss -0.50 -0.60 -19.1% -1.9% -10.9% -18.0%
2026-03-02 beat -0.53 -0.46 +14.0% -10.0% -7.2% +2.7%
2025-11-05 beat -0.47 -0.46 +3.2% -0.3% -1.6% +2.6%
2025-08-11 beat -0.45 -0.41 +9.6% +5.3% +13.4% +21.1%
2025-05-12 miss -0.45 -0.62 -37.8% +1.1% +4.7% +17.8%
2025-03-20 miss -2.68 -3.38 -26.1% +2.2% +0.0% -13.7%
Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.4%
Next 1 week
+1.1%
Next 1 month
+3.4%
Seasonality
Not enough history
20-year seasonality chart →
Mean reversion
Neutral — RSI(2) at 31
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought. Its dip-buy edge in history is +1.00%/day.
Mean-reversion stats →
1-month breakdown — Market · β 1.35 +3.4%
$4M/day volume 121% volatility -90% 1-year
52-week range · 1% of the way up · -93% from the high
$3.55$54.97

Not investment advice.