NASDAQ · SION

Sionna Therapeutics, Inc.

Healthcare · Biotechnology

$6.06

Down-$0.11 (-1.78%)

Updated Aug 28, 2026, 12:05 PM

SID Score

2.7/10

Composite research score

Smart Money

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Institutional and insider signal

Price performance

SION price history

1M range · 21 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

SION OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Aug 27, 2026	$6.14	$6.2499	$5.97	$6.06	775.76K
Aug 26, 2026	$6.20	$6.29	$6.02	$6.17	926.26K
Aug 25, 2026	$5.60	$6.30	$5.58	$6.25	1.97M
Aug 24, 2026	$5.29	$5.61	$5.21	$5.59	1.78M
Aug 21, 2026	$5.54	$5.72	$5.27	$5.29	1.94M
Aug 20, 2026	$6.27	$6.2726	$5.51	$5.52	1.75M
Aug 19, 2026	$6.09	$6.28	$5.8801	$6.25	1.87M
Aug 18, 2026	$5.75	$5.98	$5.60	$5.94	2.06M
Aug 17, 2026	$6.47	$6.7999	$5.82	$5.91	2.99M
Aug 14, 2026	$6.24	$6.66	$6.15	$6.46	2.88M
Aug 13, 2026	$6.29	$6.75	$6.05	$6.54	5.49M
Aug 12, 2026	$4.99	$6.40	$4.975	$6.25	9.44M
Aug 11, 2026	$4.51	$5.49	$4.4901	$5.10	14.93M
Aug 10, 2026	$4.85	$4.9998	$4.01	$4.50	38.64M
Aug 7, 2026	$50.86	$54.97	$49.30	$51.04	747.53K
Aug 6, 2026	$47.11	$50.80	$47.08	$49.61	778.47K
Aug 5, 2026	$50.20	$51.91	$46.915	$47.34	757.88K
Aug 4, 2026	$50.16	$51.73	$48.52	$49.94	913.12K
Aug 3, 2026	$46.86	$49.49	$45.57	$49.26	509.03K
Jul 31, 2026	$46.68	$47.62	$44.27	$47.13	392.31K
Jul 30, 2026	$44.69	$47.28	$44.64	$46.78	353.25K