Proto Labs Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 22, 2026	70.23	71.83	70.23	71.36	71.36	2.31%	194,382
May 21, 2026	70.46	70.85	68.07	69.75	69.75	-1.94%	192,868
May 20, 2026	70.98	72.64	70.45	71.13	71.13	1.38%	203,810
May 19, 2026	71.26	71.64	69.37	70.16	70.16	-2.88%	185,800
May 18, 2026	72.27	73.00	71.42	72.24	72.24	0.32%	162,368
May 15, 2026	71.25	72.73	69.87	72.01	72.01	-0.77%	270,379
May 14, 2026	72.49	73.11	71.14	72.57	72.57	1.00%	157,361
May 13, 2026	71.18	72.53	70.37	71.85	71.85	1.17%	210,689
May 12, 2026	70.12	71.55	67.06	71.02	71.02	0.10%	231,714
May 11, 2026	69.19	71.37	68.05	70.95	70.95	2.38%	227,978
May 8, 2026	68.51	69.42	67.58	69.30	69.30	1.66%	141,640
May 7, 2026	69.74	70.00	67.33	68.17	68.17	-1.05%	169,841
May 6, 2026	69.00	69.18	67.07	68.89	68.89	1.77%	170,006
May 5, 2026	64.94	68.49	64.39	67.69	67.69	5.21%	210,894
May 4, 2026	65.25	67.97	63.67	64.34	64.34	-1.27%	222,396
May 1, 2026	65.00	66.59	57.67	65.17	65.17	0.56%	443,335
Apr 30, 2026	61.99	65.17	61.99	64.81	64.81	4.10%	145,691
Apr 29, 2026	63.53	63.53	61.78	62.26	62.26	-2.23%	155,373
Apr 28, 2026	63.78	63.98	62.72	63.68	63.68	-0.17%	100,143
Apr 27, 2026	64.63	65.00	63.50	63.79	63.79	-1.28%	185,518
Apr 24, 2026	63.86	64.88	63.11	64.62	64.62	1.10%	153,048
Apr 23, 2026	64.18	65.30	63.33	63.92	63.92	-0.09%	111,596
Apr 22, 2026	64.60	64.68	63.06	63.98	63.98	0.30%	101,897
Apr 21, 2026	64.43	65.60	63.66	63.79	63.79	-1.10%	150,579
Apr 20, 2026	64.26	64.53	63.70	64.50	64.50	-0.02%	92,938
Apr 17, 2026	63.52	65.56	62.45	64.51	64.51	3.95%	142,490
Apr 16, 2026	62.92	63.79	61.49	62.06	62.06	-1.87%	163,609
Apr 15, 2026	61.64	63.41	60.95	63.24	63.24	2.15%	195,322
Apr 14, 2026	63.16	63.43	61.81	61.91	61.91	-1.45%	163,403
Apr 13, 2026	60.95	62.86	60.95	62.82	62.82	2.31%	107,402
Apr 10, 2026	61.90	62.01	60.95	61.40	61.40	-0.29%	75,034
Apr 9, 2026	60.19	62.11	60.19	61.58	61.58	1.77%	124,063
Apr 8, 2026	60.31	61.99	60.28	60.51	60.51	5.18%	267,766
Apr 7, 2026	57.33	57.95	56.71	57.53	57.53	-0.24%	145,025
Apr 6, 2026	57.77	58.35	56.94	57.67	57.67	-0.17%	87,961
Apr 2, 2026	56.48	58.64	55.32	57.77	57.77	-0.62%	171,172
Apr 1, 2026	57.71	59.03	57.71	58.13	58.13	1.95%	116,326
Mar 31, 2026	56.20	57.20	55.48	57.02	57.02	2.96%	103,250
Mar 30, 2026	56.81	56.81	54.87	55.38	55.38	-1.18%	214,077
Mar 27, 2026	57.35	58.01	55.25	56.04	56.04	-3.56%	131,128
Mar 26, 2026	58.79	59.46	57.53	58.11	58.11	-2.86%	151,795
Mar 25, 2026	60.39	60.39	59.16	59.82	59.82	0.35%	123,709
Mar 24, 2026	57.27	60.26	57.13	59.61	59.61	2.72%	159,847
Mar 23, 2026	57.49	58.99	57.37	58.03	58.03	4.09%	182,948
Mar 20, 2026	56.89	57.48	55.12	55.75	55.75	-1.59%	295,386
Mar 19, 2026	55.26	57.01	55.06	56.65	56.65	0.66%	136,934
Mar 18, 2026	56.47	57.72	56.15	56.28	56.28	-0.78%	182,552
Mar 17, 2026	55.55	56.76	55.33	56.72	56.72	2.74%	160,492
Mar 16, 2026	55.42	55.72	54.58	55.21	55.21	1.58%	137,830
Mar 13, 2026	56.42	56.42	53.53	54.35	54.35	-1.59%	205,010