Napco Security Technologies, Inc. (NSSC)

NASDAQ: NSSC · Real-Time Price · USD

43.05

+1.89 (4.59%)

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

43.90

+0.85 (1.97%)

After-hours: Mar 9, 2026, 4:27 PM EDT

NSSC Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 9, 2026	42.06	43.26	40.97	43.05	43.05	4.59%	1,199,422
Mar 6, 2026	41.95	42.14	40.94	41.16	41.16	-3.36%	440,647
Mar 5, 2026	42.79	44.21	42.21	42.59	42.59	-2.25%	1,059,967
Mar 4, 2026	43.54	43.94	42.76	43.57	43.57	0.79%	370,731
Mar 3, 2026	43.51	43.63	42.21	43.23	43.23	-3.22%	426,114
Mar 2, 2026	45.65	45.76	44.40	44.67	44.67	-4.16%	648,641
Feb 27, 2026	46.18	46.67	45.55	46.61	46.61	-0.09%	1,046,550
Feb 26, 2026	47.29	47.30	46.19	46.65	46.65	-1.23%	267,489
Feb 25, 2026	46.46	47.26	45.50	47.23	47.23	2.74%	353,949
Feb 24, 2026	46.17	47.16	45.52	45.97	45.97	0.22%	413,500
Feb 23, 2026	45.55	45.92	44.48	45.87	45.87	0.02%	439,522
Feb 20, 2026	44.81	46.08	44.62	45.86	45.86	1.96%	534,340
Feb 19, 2026	43.27	45.03	42.72	44.98	44.98	3.43%	721,109
Feb 18, 2026	44.15	44.57	43.32	43.49	43.49	-1.45%	455,888
Feb 17, 2026	44.28	44.77	42.98	44.13	44.13	-0.05%	667,666
Feb 13, 2026	42.73	45.43	42.39	44.15	44.15	3.66%	1,013,576
Feb 12, 2026	43.69	44.50	41.31	42.59	42.59	-0.95%	1,015,101
Feb 11, 2026	42.61	43.16	42.01	43.00	43.00	0.87%	374,497
Feb 10, 2026	43.29	43.29	42.05	42.63	42.63	-0.91%	373,650
Feb 9, 2026	43.33	44.27	43.00	43.02	43.02	-1.44%	388,569
Feb 6, 2026	43.61	44.04	42.54	43.65	43.65	0.41%	575,161
Feb 5, 2026	43.50	43.55	41.71	43.47	43.47	-0.59%	1,066,883
Feb 4, 2026	44.00	45.08	42.96	43.73	43.73	-0.02%	558,584
Feb 3, 2026	41.60	43.93	41.52	43.74	43.74	6.63%	823,238
Feb 2, 2026	39.20	41.62	37.68	41.02	41.02	11.20%	769,624
Jan 30, 2026	38.16	39.09	36.56	36.89	36.89	-3.68%	731,900
Jan 29, 2026	38.40	38.90	37.94	38.30	38.30	-0.55%	313,159
Jan 28, 2026	38.49	38.96	37.97	38.51	38.51	0.08%	284,960
Jan 27, 2026	38.73	39.11	38.32	38.48	38.48	-0.93%	230,998
Jan 26, 2026	38.54	39.34	38.37	38.84	38.84	0.80%	370,251
Jan 23, 2026	39.47	39.47	38.30	38.53	38.53	-2.87%	214,491
Jan 22, 2026	38.62	40.39	38.55	39.67	39.67	3.98%	334,083
Jan 21, 2026	38.41	38.99	37.88	38.15	38.15	0.26%	636,352
Jan 20, 2026	37.71	38.77	37.66	38.05	38.05	-1.42%	430,331
Jan 16, 2026	39.86	39.89	38.48	38.60	38.60	-2.33%	518,070
Jan 15, 2026	39.61	40.03	39.23	39.52	39.52	0.08%	274,599
Jan 14, 2026	39.70	40.62	39.20	39.49	39.49	-	448,943
Jan 13, 2026	42.68	43.19	39.43	39.49	39.49	-6.91%	473,655
Jan 12, 2026	42.02	42.51	41.83	42.42	42.42	0.64%	133,409
Jan 9, 2026	42.30	42.69	41.95	42.15	42.15	-0.24%	161,845
Jan 8, 2026	41.10	42.34	40.92	42.25	42.25	2.80%	294,007
Jan 7, 2026	41.99	41.99	40.90	41.10	41.10	-2.56%	226,965
Jan 6, 2026	41.08	42.21	40.57	42.18	42.18	2.13%	275,558
Jan 5, 2026	41.64	42.13	41.00	41.30	41.30	-0.19%	334,942
Jan 2, 2026	41.77	42.41	41.10	41.38	41.38	-0.77%	136,711
Dec 31, 2025	42.03	42.46	41.61	41.70	41.70	-0.71%	335,029
Dec 30, 2025	42.09	42.18	41.57	42.00	42.00	-0.12%	144,705
Dec 29, 2025	42.70	43.08	41.69	42.05	42.05	-1.66%	147,259
Dec 26, 2025	42.06	43.08	41.59	42.76	42.76	1.96%	329,612
Dec 24, 2025	42.16	42.32	41.75	41.94	41.94	-0.59%	182,901
Dec 23, 2025	42.18	42.45	41.64	42.19	42.19	-0.42%	172,342
Dec 22, 2025	42.98	43.42	42.35	42.37	42.37	-1.47%	248,034
Dec 19, 2025	43.50	44.01	42.60	43.00	43.00	-1.85%	847,210
Dec 18, 2025	43.48	43.90	42.68	43.81	43.81	1.86%	442,748
Dec 17, 2025	42.31	43.16	42.15	43.01	43.01	1.39%	350,023
Dec 16, 2025	41.50	42.63	41.21	42.42	42.42	2.22%	408,553
Dec 15, 2025	42.16	42.36	41.11	41.50	41.50	-1.40%	344,492
Dec 12, 2025	42.91	42.91	40.99	42.09	42.09	-2.30%	592,339
Dec 11, 2025	42.05	43.21	41.69	43.08	42.94	2.38%	239,337
Dec 10, 2025	41.23	42.79	41.01	42.08	41.94	1.57%	531,767
Dec 9, 2025	41.72	42.57	41.41	41.43	41.30	-1.59%	242,797
Dec 8, 2025	41.73	42.28	41.39	42.10	41.96	1.91%	419,684
Dec 5, 2025	40.83	41.68	40.48	41.31	41.18	0.93%	501,324
Dec 4, 2025	40.79	41.55	40.28	40.93	40.80	-0.22%	373,854
Dec 3, 2025	39.91	41.08	38.97	41.02	40.89	2.86%	379,553
Dec 2, 2025	38.19	39.92	37.91	39.88	39.75	5.47%	688,146
Dec 1, 2025	39.91	39.91	37.64	37.81	37.69	-6.41%	587,540
Nov 28, 2025	41.06	41.06	39.99	40.40	40.27	-0.88%	114,641
Nov 26, 2025	40.30	40.90	40.08	40.76	40.63	0.54%	164,173
Nov 25, 2025	38.99	40.59	38.99	40.54	40.41	4.54%	264,349
Nov 24, 2025	38.83	39.55	38.50	38.78	38.65	0.54%	392,414
Nov 21, 2025	37.98	39.08	37.86	38.57	38.44	1.50%	565,341
Nov 20, 2025	40.60	40.95	37.85	38.00	37.88	-4.02%	525,274
Nov 19, 2025	39.30	40.07	39.06	39.59	39.46	0.74%	369,653
Nov 18, 2025	39.92	40.49	39.18	39.30	39.17	-2.29%	173,420
Nov 17, 2025	40.31	40.99	39.82	40.22	40.09	-0.32%	250,599
Nov 14, 2025	39.68	40.78	39.52	40.35	40.22	-0.10%	263,739
Nov 13, 2025	41.91	42.09	40.02	40.39	40.26	-3.72%	239,682
Nov 12, 2025	41.87	42.30	41.49	41.95	41.81	0.89%	168,165
Nov 11, 2025	42.32	42.33	41.56	41.58	41.44	-1.82%	163,491
Nov 10, 2025	42.55	42.91	41.03	42.35	42.21	0.50%	263,157
Nov 7, 2025	42.52	43.06	41.34	42.14	42.00	-1.58%	445,681
Nov 6, 2025	44.07	44.39	42.14	42.82	42.68	-3.56%	343,705
Nov 5, 2025	41.28	44.46	41.28	44.40	44.25	7.36%	433,210
Nov 4, 2025	42.17	42.22	40.20	41.35	41.22	1.45%	574,596
Nov 3, 2025	46.58	48.12	37.55	40.76	40.63	-7.68%	750,471
Oct 31, 2025	43.80	44.25	43.51	44.15	44.01	0.85%	392,227
Oct 30, 2025	43.72	44.22	43.37	43.78	43.64	0.05%	163,862
Oct 29, 2025	43.98	44.66	43.27	43.76	43.62	-0.55%	246,388
Oct 28, 2025	44.02	44.13	42.70	44.00	43.86	-0.23%	218,388
Oct 27, 2025	44.44	44.82	44.07	44.10	43.96	0.02%	230,689
Oct 24, 2025	44.46	45.14	44.04	44.09	43.95	0.36%	373,463
Oct 23, 2025	43.42	44.29	43.42	43.93	43.79	1.13%	188,136
Oct 22, 2025	43.68	43.89	42.68	43.44	43.30	-0.70%	225,806
Oct 21, 2025	43.80	44.39	43.49	43.75	43.60	-0.13%	159,883
Oct 20, 2025	43.59	44.31	43.59	43.80	43.66	0.99%	259,727
Oct 17, 2025	43.36	44.34	43.04	43.37	43.23	0.42%	255,724
Oct 16, 2025	43.76	44.05	43.15	43.19	43.05	-0.71%	315,148
Oct 15, 2025	43.19	43.92	43.15	43.50	43.36	1.21%	257,340
Oct 14, 2025	42.08	43.10	41.59	42.98	42.84	0.89%	164,806