Sionna Therapeutics, Inc. (SION)

NASDAQ: SION · Real-Time Price · USD

39.59

+0.38 (0.97%)

At close: Apr 28, 2026, 4:00 PM EDT

39.98

+0.39 (0.99%)

After-hours: Apr 28, 2026, 5:06 PM EDT

Sionna Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 28, 2026	39.68	41.15	38.58	39.59	39.59	0.97%	393,867
Apr 27, 2026	38.02	42.21	37.97	39.21	39.21	2.89%	623,684
Apr 24, 2026	38.35	38.61	35.10	38.11	38.11	-0.63%	514,180
Apr 23, 2026	43.08	44.12	37.80	38.35	38.35	-11.23%	448,904
Apr 22, 2026	41.81	43.63	41.72	43.20	43.20	3.37%	363,351
Apr 21, 2026	43.01	43.41	41.34	41.79	41.79	-1.99%	353,329
Apr 20, 2026	43.54	44.71	41.98	42.64	42.64	-2.07%	447,997
Apr 17, 2026	46.13	46.46	43.31	43.54	43.54	-3.76%	508,774
Apr 16, 2026	44.41	46.06	42.86	45.24	45.24	0.33%	817,605
Apr 15, 2026	44.23	46.10	42.62	45.09	45.09	4.13%	768,535
Apr 14, 2026	41.86	44.71	41.12	43.30	43.30	3.66%	900,047
Apr 13, 2026	37.95	41.84	36.91	41.77	41.77	10.24%	382,801
Apr 10, 2026	38.82	38.82	36.24	37.89	37.89	-2.57%	223,063
Apr 9, 2026	36.75	40.04	36.73	38.89	38.89	5.25%	352,447
Apr 8, 2026	38.36	38.37	36.18	36.95	36.95	0.52%	253,238
Apr 7, 2026	37.15	38.61	35.39	36.76	36.76	-1.66%	373,447
Apr 6, 2026	40.09	40.43	37.28	37.38	37.38	-7.68%	191,854
Apr 2, 2026	40.79	42.62	40.19	40.49	40.49	-1.96%	527,753
Apr 1, 2026	40.16	42.30	40.00	41.30	41.30	3.02%	516,346
Mar 31, 2026	37.49	41.61	37.49	40.09	40.09	9.36%	563,524
Mar 30, 2026	36.18	37.76	35.36	36.66	36.66	1.38%	344,230
Mar 27, 2026	37.04	38.22	36.01	36.16	36.16	-4.74%	497,922
Mar 26, 2026	37.43	38.71	35.93	37.96	37.96	2.37%	273,830
Mar 25, 2026	34.95	38.20	34.95	37.08	37.08	6.67%	285,592
Mar 24, 2026	35.81	36.18	33.65	34.76	34.76	-4.58%	259,578
Mar 23, 2026	36.99	38.29	35.64	36.43	36.43	0.11%	346,522
Mar 20, 2026	35.45	37.41	34.81	36.39	36.39	2.54%	339,158
Mar 19, 2026	34.16	36.17	33.20	35.49	35.49	3.17%	218,953
Mar 18, 2026	35.57	36.42	34.02	34.40	34.40	-4.02%	295,983
Mar 17, 2026	37.17	37.74	34.35	35.84	35.84	-3.58%	243,661
Mar 16, 2026	37.65	39.03	36.59	37.17	37.17	-0.40%	362,382
Mar 13, 2026	36.68	37.95	36.21	37.32	37.32	1.74%	320,341
Mar 12, 2026	37.63	37.87	34.63	36.68	36.68	-4.43%	202,264
Mar 11, 2026	37.63	39.00	37.63	38.38	38.38	0.79%	186,420
Mar 10, 2026	37.63	39.17	37.60	38.08	38.08	1.47%	255,408
Mar 9, 2026	35.58	38.06	35.58	37.53	37.53	4.45%	318,204
Mar 6, 2026	32.85	36.23	32.77	35.93	35.93	3.96%	310,437
Mar 5, 2026	34.13	34.87	32.72	34.56	34.56	-0.03%	611,706
Mar 4, 2026	34.19	35.93	33.61	34.57	34.57	1.41%	207,960
Mar 3, 2026	33.92	34.77	32.61	34.09	34.09	0.50%	220,187
Mar 2, 2026	32.89	35.10	32.57	33.92	33.92	-7.17%	276,038
Feb 27, 2026	37.25	38.32	36.24	36.54	36.54	-3.84%	183,148
Feb 26, 2026	38.06	38.37	36.74	38.00	38.00	-0.08%	139,808
Feb 25, 2026	37.60	39.32	37.00	38.03	38.03	1.90%	197,075
Feb 24, 2026	36.99	38.84	36.11	37.32	37.32	3.38%	290,797
Feb 23, 2026	34.99	38.12	34.72	36.10	36.10	1.72%	102,897
Feb 20, 2026	37.12	37.50	35.46	35.49	35.49	-4.95%	145,516
Feb 19, 2026	37.43	38.18	36.65	37.34	37.34	-1.03%	181,423
Feb 18, 2026	37.64	38.91	36.95	37.73	37.73	-0.79%	104,473
Feb 17, 2026	37.53	38.51	37.24	38.03	38.03	1.36%	117,368
Feb 13, 2026	37.64	39.87	37.02	37.52	37.52	-0.32%	332,890
Feb 12, 2026	36.30	38.86	36.07	37.64	37.64	3.04%	199,774
Feb 11, 2026	38.05	38.92	35.67	36.53	36.53	-3.91%	389,651
Feb 10, 2026	36.67	38.56	35.70	38.02	38.02	3.25%	321,194
Feb 9, 2026	35.97	37.20	35.02	36.82	36.82	1.97%	311,913
Feb 6, 2026	35.23	38.20	34.87	36.11	36.11	2.44%	440,028
Feb 5, 2026	40.44	41.62	32.46	35.25	35.25	-14.68%	562,950
Feb 4, 2026	44.50	44.50	41.08	41.32	41.32	-7.12%	332,534
Feb 3, 2026	44.42	44.88	42.69	44.48	44.48	1.90%	312,281
Feb 2, 2026	42.06	44.99	40.89	43.65	43.65	3.29%	911,890
Jan 30, 2026	42.05	43.00	40.71	42.26	42.26	-0.42%	229,495
Jan 29, 2026	42.72	43.75	41.51	42.44	42.44	0.74%	212,185
Jan 28, 2026	43.81	44.19	41.98	42.13	42.13	-2.93%	180,690
Jan 27, 2026	42.14	43.77	42.08	43.40	43.40	1.88%	107,029
Jan 26, 2026	40.91	42.71	40.32	42.60	42.60	0.52%	148,368
Jan 23, 2026	41.30	43.14	41.30	42.38	42.38	1.46%	199,454
Jan 22, 2026	40.29	42.64	39.99	41.77	41.77	2.40%	664,368
Jan 21, 2026	40.04	41.50	39.11	40.79	40.79	1.95%	192,344
Jan 20, 2026	38.32	40.98	37.70	40.01	40.01	2.30%	155,258
Jan 16, 2026	38.90	40.97	38.52	39.11	39.11	0.67%	264,890
Jan 15, 2026	41.48	41.48	37.82	38.85	38.85	-5.66%	263,816
Jan 14, 2026	36.89	41.73	36.12	41.18	41.18	11.87%	280,213
Jan 13, 2026	35.96	37.17	34.63	36.81	36.81	1.29%	241,229
Jan 12, 2026	39.03	39.03	34.81	36.34	36.34	-7.41%	191,445
Jan 9, 2026	36.79	39.70	36.79	39.25	39.25	7.24%	414,378
Jan 8, 2026	42.70	42.71	35.95	36.60	36.60	-15.30%	406,220
Jan 7, 2026	38.14	43.30	37.77	43.21	43.21	16.09%	477,263
Jan 6, 2026	40.39	41.65	37.08	37.22	37.22	-8.89%	266,766
Jan 5, 2026	39.00	40.92	38.22	40.85	40.85	4.18%	299,806
Jan 2, 2026	41.46	41.56	38.93	39.21	39.21	-4.69%	318,896
Dec 31, 2025	41.00	42.54	40.93	41.14	41.14	-0.60%	332,591
Dec 30, 2025	42.43	43.50	41.00	41.39	41.39	-3.32%	251,494
Dec 29, 2025	43.70	45.00	42.80	42.81	42.81	-2.04%	133,694
Dec 26, 2025	43.43	44.49	40.58	43.70	43.70	-0.74%	166,267
Dec 24, 2025	44.03	44.70	43.82	44.03	44.03	1.35%	157,561
Dec 23, 2025	42.67	43.78	41.59	43.44	43.44	2.40%	186,074
Dec 22, 2025	42.07	42.90	40.48	42.42	42.42	0.12%	243,378
Dec 19, 2025	43.70	45.00	42.24	42.37	42.37	-4.16%	1,954,677
Dec 18, 2025	43.91	44.52	42.43	44.21	44.21	2.60%	290,528
Dec 17, 2025	42.81	44.61	41.93	43.09	43.09	0.47%	296,565
Dec 16, 2025	43.05	43.71	41.18	42.89	42.89	0.30%	252,392
Dec 15, 2025	43.41	44.99	42.05	42.76	42.76	-0.02%	340,530
Dec 12, 2025	41.63	43.20	41.32	42.77	42.77	2.52%	203,625
Dec 11, 2025	40.78	43.15	40.75	41.72	41.72	1.24%	241,212
Dec 10, 2025	41.02	41.79	40.37	41.21	41.21	-0.91%	234,441
Dec 9, 2025	40.99	42.10	40.22	41.59	41.59	2.14%	180,014
Dec 8, 2025	40.13	42.05	39.91	40.72	40.72	1.07%	205,773
Dec 5, 2025	41.05	42.02	39.75	40.29	40.29	-1.44%	211,510
Dec 4, 2025	41.16	42.35	40.48	40.88	40.88	-0.68%	172,054
Dec 3, 2025	39.00	43.90	37.54	41.16	41.16	5.51%	385,448