Napco Security Technologies, Inc. (NSSC)

NASDAQ: NSSC · Real-Time Price · USD

41.31

+0.38 (0.93%)

At close: Dec 5, 2025, 4:00 PM EST

40.51

-0.80 (-1.94%)

After-hours: Dec 5, 2025, 6:54 PM EST

NSSC Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Dec 5, 2025	40.83	41.68	40.48	41.31	41.31	0.93%	501,286
Dec 4, 2025	40.79	41.55	40.28	40.93	40.93	-0.22%	373,854
Dec 3, 2025	39.91	41.08	38.97	41.02	41.02	2.86%	379,553
Dec 2, 2025	38.19	39.92	37.91	39.88	39.88	5.47%	688,131
Dec 1, 2025	39.91	39.91	37.64	37.81	37.81	-6.41%	585,307
Nov 28, 2025	41.06	41.06	39.99	40.40	40.40	-0.88%	114,639
Nov 26, 2025	40.30	40.90	40.08	40.76	40.76	0.54%	164,158
Nov 25, 2025	38.99	40.59	38.99	40.54	40.54	4.54%	264,349
Nov 24, 2025	38.83	39.55	38.50	38.78	38.78	0.54%	392,414
Nov 21, 2025	37.98	39.08	37.86	38.57	38.57	1.50%	565,341
Nov 20, 2025	40.60	40.95	37.85	38.00	38.00	-4.02%	525,274
Nov 19, 2025	39.30	40.07	39.06	39.59	39.59	0.74%	369,653
Nov 18, 2025	39.92	40.49	39.18	39.30	39.30	-2.29%	173,420
Nov 17, 2025	40.31	40.99	39.82	40.22	40.22	-0.32%	250,599
Nov 14, 2025	39.68	40.78	39.52	40.35	40.35	-0.10%	263,739
Nov 13, 2025	41.91	42.09	40.02	40.39	40.39	-3.72%	239,682
Nov 12, 2025	41.87	42.30	41.49	41.95	41.95	0.89%	168,165
Nov 11, 2025	42.32	42.33	41.56	41.58	41.58	-1.82%	163,491
Nov 10, 2025	42.55	42.91	41.03	42.35	42.35	0.50%	263,157
Nov 7, 2025	42.52	43.06	41.34	42.14	42.14	-1.58%	445,681
Nov 6, 2025	44.07	44.39	42.14	42.82	42.82	-3.56%	343,705
Nov 5, 2025	41.28	44.46	41.28	44.40	44.40	7.36%	433,210
Nov 4, 2025	42.17	42.22	40.20	41.35	41.35	1.45%	574,596
Nov 3, 2025	46.58	48.12	37.55	40.76	40.76	-7.68%	750,471
Oct 31, 2025	43.80	44.25	43.51	44.15	44.15	0.85%	392,227
Oct 30, 2025	43.72	44.22	43.37	43.78	43.78	0.05%	163,862
Oct 29, 2025	43.98	44.66	43.27	43.76	43.76	-0.55%	246,388
Oct 28, 2025	44.02	44.13	42.70	44.00	44.00	-0.23%	218,388
Oct 27, 2025	44.44	44.82	44.07	44.10	44.10	0.02%	230,689
Oct 24, 2025	44.46	45.14	44.04	44.09	44.09	0.36%	373,463
Oct 23, 2025	43.42	44.29	43.42	43.93	43.93	1.13%	188,136
Oct 22, 2025	43.68	43.89	42.68	43.44	43.44	-0.70%	225,806
Oct 21, 2025	43.80	44.39	43.49	43.75	43.75	-0.13%	159,883
Oct 20, 2025	43.59	44.31	43.59	43.80	43.80	0.99%	259,727
Oct 17, 2025	43.36	44.34	43.04	43.37	43.37	0.42%	255,724
Oct 16, 2025	43.76	44.05	43.15	43.19	43.19	-0.71%	315,148
Oct 15, 2025	43.19	43.92	43.15	43.50	43.50	1.21%	257,340
Oct 14, 2025	42.08	43.10	41.59	42.98	42.98	0.89%	164,806
Oct 13, 2025	42.86	42.96	42.09	42.60	42.60	1.57%	159,641
Oct 10, 2025	43.65	43.74	41.88	41.94	41.94	-2.21%	243,339
Oct 9, 2025	43.91	43.93	42.31	42.89	42.89	-2.32%	162,094
Oct 8, 2025	43.36	44.30	43.06	43.91	43.91	1.88%	374,425
Oct 7, 2025	43.85	43.85	42.73	43.10	43.10	-0.97%	491,841
Oct 6, 2025	43.07	43.74	42.96	43.52	43.52	2.06%	342,094
Oct 3, 2025	42.89	43.50	42.52	42.64	42.64	-0.14%	269,569
Oct 2, 2025	43.09	43.09	42.30	42.70	42.70	-0.05%	192,979
Oct 1, 2025	42.46	42.91	42.25	42.72	42.72	-0.54%	259,337
Sep 30, 2025	42.50	43.05	42.42	42.95	42.95	1.08%	266,688
Sep 29, 2025	43.20	43.50	42.46	42.49	42.49	-1.51%	221,555
Sep 26, 2025	43.15	43.48	42.75	43.14	43.14	0.14%	212,680