Napco Security Technologies, Inc. (NSSC)

NASDAQ: NSSC · Real-Time Price · USD

37.29

-0.13 (-0.35%)

At close: Jun 26, 2026, 4:00 PM EDT

37.55

+0.26 (0.70%)

After-hours: Jun 26, 2026, 4:48 PM EDT

NSSC Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 26, 2026	37.00	37.67	36.73	37.29	37.29	-0.35%	849,832
Jun 25, 2026	38.03	38.38	37.34	37.42	37.42	-	541,498
Jun 24, 2026	37.29	38.38	37.21	37.42	37.42	-0.19%	491,208
Jun 23, 2026	37.22	38.31	37.05	37.49	37.49	-0.03%	560,239
Jun 22, 2026	36.93	37.61	36.32	37.50	37.50	0.29%	590,735
Jun 18, 2026	36.85	38.02	36.55	37.39	37.39	3.69%	1,528,957
Jun 17, 2026	37.52	37.99	36.04	36.06	36.06	-3.81%	397,758
Jun 16, 2026	37.82	38.43	37.26	37.49	37.49	-0.21%	562,263
Jun 15, 2026	37.88	38.23	37.46	37.57	37.57	0.94%	1,025,947
Jun 12, 2026	36.43	37.62	36.08	37.22	37.22	2.59%	401,686
Jun 11, 2026	35.46	36.56	35.16	36.43	36.28	3.41%	459,917
Jun 10, 2026	35.05	35.61	34.72	35.23	35.08	0.26%	313,240
Jun 9, 2026	35.08	36.02	34.32	35.14	35.00	0.37%	320,546
Jun 8, 2026	35.48	35.48	34.72	35.01	34.87	0.14%	373,223
Jun 5, 2026	35.54	35.70	34.90	34.96	34.82	-2.26%	268,379
Jun 4, 2026	36.11	36.42	35.72	35.77	35.62	-0.61%	270,475
Jun 3, 2026	36.01	36.33	35.72	35.99	35.84	-0.58%	378,132
Jun 2, 2026	35.27	36.42	35.27	36.20	36.05	2.64%	387,602
Jun 1, 2026	36.92	37.46	34.76	35.27	35.12	-6.02%	582,606
May 29, 2026	36.82	37.55	36.50	37.53	37.38	2.07%	699,581
May 28, 2026	36.04	36.90	35.25	36.77	36.62	1.69%	346,392
May 27, 2026	37.18	37.32	36.06	36.16	36.01	-2.51%	341,494
May 26, 2026	37.52	38.07	37.00	37.09	36.94	-0.86%	388,377
May 22, 2026	36.96	37.51	36.83	37.41	37.26	1.96%	224,958
May 21, 2026	36.58	37.29	36.12	36.69	36.54	-0.08%	535,282
May 20, 2026	36.09	37.06	35.66	36.72	36.57	2.51%	584,961
May 19, 2026	36.05	36.29	35.22	35.82	35.67	-0.72%	286,231
May 18, 2026	36.92	36.92	35.73	36.08	35.93	-0.39%	565,393
May 15, 2026	37.00	37.42	35.91	36.22	36.07	-3.46%	447,600
May 14, 2026	38.39	39.22	37.47	37.52	37.37	-0.98%	345,359
May 13, 2026	38.34	38.82	37.25	37.89	37.73	-1.04%	511,014
May 12, 2026	39.93	39.93	38.17	38.29	38.13	-4.77%	332,967
May 11, 2026	40.77	41.12	39.96	40.21	40.04	-1.49%	365,852
May 8, 2026	42.06	42.06	40.52	40.82	40.65	-1.83%	344,047
May 7, 2026	41.60	42.61	41.05	41.58	41.41	0.82%	584,304
May 6, 2026	42.49	42.59	40.81	41.24	41.07	-1.39%	348,900
May 5, 2026	39.61	42.20	39.59	41.82	41.65	5.58%	686,537
May 4, 2026	46.14	46.52	39.16	39.61	39.45	-15.22%	1,045,517
May 1, 2026	46.85	47.20	46.00	46.72	46.53	-0.06%	291,556
Apr 30, 2026	45.45	46.78	45.05	46.75	46.56	3.47%	233,284
Apr 29, 2026	45.62	45.67	44.76	45.18	44.99	-1.03%	278,841
Apr 28, 2026	45.93	46.16	44.76	45.65	45.46	-0.95%	305,839
Apr 27, 2026	45.91	46.35	45.43	46.09	45.90	0.39%	289,327
Apr 24, 2026	45.12	45.95	44.68	45.91	45.72	2.30%	218,851
Apr 23, 2026	45.62	45.81	44.59	44.88	44.70	-0.91%	270,043
Apr 22, 2026	45.80	46.10	44.88	45.29	45.10	-0.83%	217,890
Apr 21, 2026	45.89	46.45	45.48	45.67	45.48	-0.52%	308,823
Apr 20, 2026	45.38	46.27	45.36	45.91	45.72	1.17%	275,298
Apr 17, 2026	45.52	46.05	44.75	45.38	45.19	1.54%	300,220
Apr 16, 2026	44.21	44.74	43.83	44.69	44.51	1.09%	245,884
Apr 15, 2026	43.90	44.31	43.35	44.21	44.03	0.09%	221,011
Apr 14, 2026	44.59	45.09	43.49	44.17	43.99	0.39%	345,580
Apr 13, 2026	42.50	44.03	42.41	44.00	43.82	2.92%	324,133
Apr 10, 2026	42.24	42.86	41.81	42.75	42.57	1.59%	312,744
Apr 9, 2026	42.40	42.71	41.96	42.08	41.91	-1.20%	334,142
Apr 8, 2026	43.47	43.97	42.53	42.59	42.41	2.60%	577,889
Apr 7, 2026	40.00	41.61	40.00	41.51	41.34	3.16%	404,364
Apr 6, 2026	39.75	40.32	39.28	40.24	40.07	0.93%	265,188
Apr 2, 2026	38.25	39.92	38.25	39.87	39.71	1.06%	276,555
Apr 1, 2026	39.72	40.22	39.41	39.45	39.29	0.15%	353,105
Mar 31, 2026	38.45	39.61	38.23	39.39	39.23	3.93%	290,680
Mar 30, 2026	38.84	38.84	37.51	37.90	37.74	-1.07%	411,124
Mar 27, 2026	38.51	39.12	38.01	38.31	38.15	-1.57%	439,484
Mar 26, 2026	40.74	41.03	38.52	38.92	38.76	-6.22%	485,862
Mar 25, 2026	43.38	43.38	41.17	41.50	41.33	-2.90%	516,764
Mar 24, 2026	42.13	43.41	41.96	42.74	42.56	0.16%	668,961
Mar 23, 2026	41.84	43.04	41.35	42.67	42.49	4.97%	471,072
Mar 20, 2026	42.38	42.38	40.49	40.65	40.48	-3.95%	1,048,859
Mar 19, 2026	42.01	42.57	40.56	42.32	42.15	-0.56%	716,867
Mar 18, 2026	43.38	43.46	42.05	42.56	42.38	-2.36%	879,711
Mar 17, 2026	42.84	43.60	42.48	43.59	43.41	1.75%	549,805
Mar 16, 2026	43.14	43.92	42.65	42.84	42.66	0.63%	871,534
Mar 13, 2026	42.20	42.75	42.07	42.57	42.39	1.00%	1,062,754
Mar 12, 2026	41.56	42.41	40.97	42.15	41.98	-0.59%	6,767,581
Mar 11, 2026	43.36	43.52	42.26	42.55	42.23	-1.96%	814,379
Mar 10, 2026	42.85	44.51	42.76	43.40	43.07	0.81%	651,856
Mar 9, 2026	42.06	43.26	40.97	43.05	42.72	4.59%	1,199,491
Mar 6, 2026	41.95	42.14	40.94	41.16	40.85	-3.36%	449,330
Mar 5, 2026	42.79	44.21	42.21	42.59	42.27	-2.25%	1,069,211
Mar 4, 2026	43.54	43.94	42.76	43.57	43.24	0.79%	370,741
Mar 3, 2026	43.51	43.63	42.21	43.23	42.90	-3.22%	433,348
Mar 2, 2026	45.65	45.76	44.40	44.67	44.33	-4.16%	652,500
Feb 27, 2026	46.18	46.67	45.55	46.61	46.25	-0.09%	1,048,401
Feb 26, 2026	47.29	47.30	46.19	46.65	46.29	-1.23%	270,880
Feb 25, 2026	46.46	47.26	45.50	47.23	46.87	2.74%	358,492
Feb 24, 2026	46.17	47.16	45.52	45.97	45.62	0.22%	418,671
Feb 23, 2026	45.55	45.92	44.48	45.87	45.52	0.02%	445,503
Feb 20, 2026	44.81	46.08	44.62	45.86	45.51	1.96%	534,346
Feb 19, 2026	43.27	45.03	42.72	44.98	44.64	3.43%	729,632
Feb 18, 2026	44.15	44.57	43.32	43.49	43.16	-1.45%	456,008
Feb 17, 2026	44.28	44.77	42.98	44.13	43.79	-0.05%	672,528
Feb 13, 2026	42.73	45.43	42.39	44.15	43.81	3.66%	1,013,580
Feb 12, 2026	43.69	44.50	41.31	42.59	42.27	-0.95%	1,015,103
Feb 11, 2026	42.61	43.16	42.01	43.00	42.67	0.87%	374,601
Feb 10, 2026	43.29	43.29	42.05	42.63	42.30	-0.91%	416,214
Feb 9, 2026	43.33	44.27	43.00	43.02	42.69	-1.44%	388,638
Feb 6, 2026	43.61	44.04	42.54	43.65	43.32	0.41%	575,186
Feb 5, 2026	43.50	43.55	41.71	43.47	43.14	-0.59%	1,067,035
Feb 4, 2026	44.00	45.08	42.96	43.73	43.40	-0.02%	558,584
Feb 3, 2026	41.60	43.93	41.52	43.74	43.41	6.63%	824,017