Celldex Therapeutics, Inc. (CLDX)

NASDAQ: CLDX · Real-Time Price · USD

29.89

+0.59 (2.01%)

At close: Oct 9, 2026, 4:00 PM EDT

30.00

+0.11 (0.37%)

After-hours: Oct 9, 2026, 7:30 PM EDT

Celldex Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 9, 2026	29.04	30.26	28.88	29.89	29.89	2.01%	992,723
Oct 8, 2026	30.07	30.10	28.63	29.30	29.30	-3.71%	3,949,564
Oct 7, 2026	30.62	31.35	30.11	30.43	30.43	-1.85%	1,746,814
Oct 6, 2026	32.68	32.68	30.85	31.01	31.01	-4.86%	1,764,307
Oct 5, 2026	31.83	32.88	31.50	32.59	32.59	2.97%	1,257,848
Oct 2, 2026	32.26	32.54	30.98	31.65	31.65	-1.65%	2,405,740
Oct 1, 2026	32.26	32.55	31.70	32.18	32.18	-0.71%	1,443,330
Sep 30, 2026	31.71	32.76	31.45	32.41	32.41	2.43%	2,502,809
Sep 29, 2026	31.49	31.79	31.00	31.64	31.64	0.48%	2,029,557
Sep 28, 2026	31.06	32.15	30.38	31.49	31.49	1.25%	1,824,249
Sep 25, 2026	31.48	31.71	30.65	31.10	31.10	-1.21%	2,023,927
Sep 24, 2026	31.48	31.66	30.59	31.48	31.48	1.16%	2,297,688
Sep 23, 2026	33.54	33.59	30.41	31.12	31.12	-7.13%	4,235,974
Sep 22, 2026	36.60	38.39	30.39	33.51	33.51	-11.56%	12,888,897
Sep 21, 2026	41.62	41.62	37.48	37.89	37.89	-0.92%	549,512
Sep 18, 2026	38.87	38.87	37.54	38.24	38.24	-1.90%	2,081,882
Sep 17, 2026	39.47	40.66	38.92	38.98	38.98	0.70%	1,278,921
Sep 16, 2026	38.59	39.21	38.25	38.71	38.71	0.52%	1,001,441
Sep 15, 2026	39.00	39.19	37.74	38.51	38.51	-1.71%	686,390
Sep 14, 2026	37.40	39.42	37.27	39.18	39.18	6.18%	1,000,173
Sep 11, 2026	38.39	38.59	36.84	36.90	36.90	-3.15%	1,033,541
Sep 10, 2026	38.78	38.86	37.75	38.10	38.10	-1.75%	949,012
Sep 9, 2026	38.95	40.04	38.67	38.78	38.78	-0.87%	588,415
Sep 8, 2026	38.78	39.87	38.50	39.12	39.12	-1.41%	834,305
Sep 4, 2026	38.96	39.81	38.90	39.68	39.68	0.79%	414,532
Sep 3, 2026	39.50	39.89	38.95	39.37	39.37	-0.28%	417,999
Sep 2, 2026	39.43	40.55	39.01	39.48	39.48	0.61%	476,586
Sep 1, 2026	39.13	39.90	38.94	39.24	39.24	-0.98%	542,483
Aug 31, 2026	38.86	39.84	38.74	39.63	39.63	1.30%	696,907
Aug 28, 2026	40.33	40.57	39.04	39.12	39.12	-3.31%	424,938
Aug 27, 2026	40.44	41.00	40.02	40.46	40.46	-0.27%	450,009
Aug 26, 2026	41.18	42.12	40.06	40.57	40.57	-1.58%	540,668
Aug 25, 2026	41.02	41.92	40.63	41.22	41.22	1.60%	550,919
Aug 24, 2026	40.16	40.98	39.53	40.57	40.57	0.47%	416,889
Aug 21, 2026	40.38	41.24	40.12	40.38	40.38	1.10%	837,685
Aug 20, 2026	41.40	42.00	39.45	39.94	39.94	-4.22%	1,002,530
Aug 19, 2026	42.10	43.20	41.33	41.70	41.70	-0.22%	1,392,384
Aug 18, 2026	41.29	42.36	41.03	41.79	41.79	-0.31%	998,961
Aug 17, 2026	41.54	42.81	41.07	41.92	41.92	-0.07%	629,804
Aug 14, 2026	42.23	42.35	40.88	41.95	41.95	-1.55%	849,364
Aug 13, 2026	45.13	45.13	42.56	42.61	42.61	-5.04%	670,929
Aug 12, 2026	44.40	45.14	43.80	44.87	44.87	1.22%	1,594,598
Aug 11, 2026	42.81	44.60	42.46	44.33	44.33	3.16%	767,368
Aug 10, 2026	41.71	43.21	41.41	42.97	42.97	3.02%	727,630
Aug 7, 2026	41.87	42.92	41.29	41.71	41.71	0.36%	808,912
Aug 6, 2026	41.12	41.74	40.84	41.56	41.56	1.22%	799,089
Aug 5, 2026	39.36	41.15	38.86	41.06	41.06	5.15%	788,876
Aug 4, 2026	37.69	39.34	37.54	39.05	39.05	3.61%	1,027,484
Aug 3, 2026	38.09	38.59	37.05	37.69	37.69	-0.97%	1,635,247
Jul 31, 2026	38.50	38.65	37.15	38.06	38.06	-1.10%	875,735