NASDAQ · SION

Sionna Therapeutics, Inc.

Healthcare · Biotechnology

$4.90

Down-$0.18 (-3.63%)

Updated Oct 12, 2026, 6:54 PM

SID Score

2.8/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance · SION

SION price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 9, 2026

Daily close

View OHLC price history

SION OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 9, 2026	$4.93	$5.12	$4.83	$4.90	633.56K
Oct 8, 2026	$4.78	$4.97	$4.65	$4.90	915.6K
Oct 7, 2026	$4.68	$4.87	$4.61	$4.82	880.22K
Oct 6, 2026	$4.88	$4.88	$4.52	$4.75	1.26M
Oct 5, 2026	$4.95	$4.96	$4.63	$4.85	1.1M
Oct 2, 2026	$5.19	$5.19	$4.86	$4.91	1.16M
Oct 1, 2026	$5.26	$5.33	$5.03	$5.10	1.06M
Sep 30, 2026	$5.19	$5.3421	$5.02	$5.26	1.16M
Sep 29, 2026	$5.15	$5.19	$5.025	$5.15	797.86K
Sep 28, 2026	$5.17	$5.25	$5.05	$5.12	775.82K
Sep 25, 2026	$5.28	$5.30	$5.09	$5.23	1.4M
Sep 24, 2026	$5.50	$5.59	$5.1521	$5.23	1.25M
Sep 23, 2026	$6.03	$6.1199	$5.32	$5.51	1.67M
Sep 22, 2026	$5.99	$6.17	$5.84	$6.02	1.69M
Sep 21, 2026	$6.00	$6.13	$5.70	$6.00	2.52M
Sep 18, 2026	$7.12	$7.19	$5.90	$5.96	3.7M
Sep 17, 2026	$7.27	$7.73	$7.15	$7.18	1.48M
Sep 16, 2026	$6.95	$7.3681	$6.91	$7.04	1.97M
Sep 15, 2026	$7.87	$8.00	$6.85	$6.88	2.46M
Sep 14, 2026	$7.84	$8.535	$7.84	$8.26	1.22M