Napco Security Technologies, Inc. (NSSC)

NSSC Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 29, 2026	36.82	37.55	36.50	37.53	37.53	2.07%	699,581
May 28, 2026	36.04	36.90	35.25	36.77	36.77	1.69%	346,392
May 27, 2026	37.18	37.32	36.06	36.16	36.16	-2.51%	341,494
May 26, 2026	37.52	38.07	37.00	37.09	37.09	-0.86%	388,377
May 22, 2026	36.96	37.51	36.83	37.41	37.41	1.96%	224,958
May 21, 2026	36.58	37.29	36.12	36.69	36.69	-0.08%	535,282
May 20, 2026	36.09	37.06	35.66	36.72	36.72	2.51%	584,961
May 19, 2026	36.05	36.29	35.22	35.82	35.82	-0.72%	286,231
May 18, 2026	36.92	36.92	35.73	36.08	36.08	-0.39%	565,393
May 15, 2026	37.00	37.42	35.91	36.22	36.22	-3.46%	447,600
May 14, 2026	38.39	39.22	37.47	37.52	37.52	-0.98%	345,359
May 13, 2026	38.34	38.82	37.25	37.89	37.89	-1.04%	511,014
May 12, 2026	39.93	39.93	38.17	38.29	38.29	-4.77%	332,967
May 11, 2026	40.77	41.12	39.96	40.21	40.21	-1.49%	365,852
May 8, 2026	42.06	42.06	40.52	40.82	40.82	-1.83%	344,047
May 7, 2026	41.60	42.61	41.05	41.58	41.58	0.82%	584,304
May 6, 2026	42.49	42.59	40.81	41.24	41.24	-1.39%	348,900
May 5, 2026	39.61	42.20	39.59	41.82	41.82	5.58%	686,537
May 4, 2026	46.14	46.52	39.16	39.61	39.61	-15.22%	1,045,517
May 1, 2026	46.85	47.20	46.00	46.72	46.72	-0.06%	291,556
Apr 30, 2026	45.45	46.78	45.05	46.75	46.75	3.47%	233,284
Apr 29, 2026	45.62	45.67	44.76	45.18	45.18	-1.03%	278,841
Apr 28, 2026	45.93	46.16	44.76	45.65	45.65	-0.95%	305,839
Apr 27, 2026	45.91	46.35	45.43	46.09	46.09	0.39%	289,327
Apr 24, 2026	45.12	45.95	44.68	45.91	45.91	2.30%	218,851
Apr 23, 2026	45.62	45.81	44.59	44.88	44.88	-0.91%	270,043
Apr 22, 2026	45.80	46.10	44.88	45.29	45.29	-0.83%	217,890
Apr 21, 2026	45.89	46.45	45.48	45.67	45.67	-0.52%	308,823
Apr 20, 2026	45.38	46.27	45.36	45.91	45.91	1.17%	275,298
Apr 17, 2026	45.52	46.05	44.75	45.38	45.38	1.54%	300,220
Apr 16, 2026	44.21	44.74	43.83	44.69	44.69	1.09%	245,884
Apr 15, 2026	43.90	44.31	43.35	44.21	44.21	0.09%	221,011
Apr 14, 2026	44.59	45.09	43.49	44.17	44.17	0.39%	345,580
Apr 13, 2026	42.50	44.03	42.41	44.00	44.00	2.92%	324,133
Apr 10, 2026	42.24	42.86	41.81	42.75	42.75	1.59%	312,744
Apr 9, 2026	42.40	42.71	41.96	42.08	42.08	-1.20%	334,142
Apr 8, 2026	43.47	43.97	42.53	42.59	42.59	2.60%	577,889
Apr 7, 2026	40.00	41.61	40.00	41.51	41.51	3.16%	404,364
Apr 6, 2026	39.75	40.32	39.28	40.24	40.24	0.93%	265,188
Apr 2, 2026	38.25	39.92	38.25	39.87	39.87	1.06%	276,555
Apr 1, 2026	39.72	40.22	39.41	39.45	39.45	0.15%	353,105
Mar 31, 2026	38.45	39.61	38.23	39.39	39.39	3.93%	290,680
Mar 30, 2026	38.84	38.84	37.51	37.90	37.90	-1.07%	411,124
Mar 27, 2026	38.51	39.12	38.01	38.31	38.31	-1.57%	439,484
Mar 26, 2026	40.74	41.03	38.52	38.92	38.92	-6.22%	485,862
Mar 25, 2026	43.38	43.38	41.17	41.50	41.50	-2.90%	516,764
Mar 24, 2026	42.13	43.41	41.96	42.74	42.74	0.16%	668,961
Mar 23, 2026	41.84	43.04	41.35	42.67	42.67	4.97%	471,072
Mar 20, 2026	42.38	42.38	40.49	40.65	40.65	-3.95%	1,048,859
Mar 19, 2026	42.01	42.57	40.56	42.32	42.32	-0.56%	716,867

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