Koppers Holdings Inc. Common Stock (KOP)

Historical Prices For Koppers Holdings Inc. Common Stock (KOP)

Date Range:

2025-03-17 - 2025-06-17

Date	Open	High	Low	Close	Volume	Adjusted Close
6/16/2025	32.27	32.40	31.57	31.85	123,451	31.85
6/13/2025	32.13	32.48	31.80	31.91	71,273	31.91
6/12/2025	32.92	33.02	32.43	32.73	79,826	32.73
6/11/2025	33.58	33.58	33.09	33.32	101,562	33.32
6/10/2025	33.15	33.51	32.56	33.26	114,085	33.26
6/09/2025	32.65	33.31	32.21	32.88	122,374	32.88
6/06/2025	32.14	32.33	31.97	32.19	77,151	32.19
6/05/2025	31.54	32.00	31.14	31.58	123,278	31.58
6/04/2025	31.24	31.79	31.24	31.45	103,464	31.45
6/03/2025	30.57	31.43	30.53	31.25	91,082	31.25
6/02/2025	30.72	30.87	30.30	30.57	251,510	30.57
5/30/2025	31.27	31.41	30.50	30.72	198,719	30.72
5/29/2025	31.91	31.91	31.39	31.55	140,915	31.47
5/28/2025	31.80	31.99	31.39	31.61	133,613	31.53
5/27/2025	31.03	31.95	30.71	31.84	126,687	31.76
5/23/2025	29.67	30.42	29.67	30.26	177,812	30.18
5/22/2025	30.27	30.68	29.86	30.37	121,411	30.29
5/21/2025	31.01	31.01	30.36	30.44	138,341	30.36
5/20/2025	31.33	31.64	31.01	31.45	129,575	31.37
5/19/2025	30.69	31.60	30.58	31.39	134,310	31.31
5/16/2025	31.44	31.52	30.80	31.20	150,119	31.12
5/15/2025	30.27	31.43	29.96	31.42	196,264	31.34
5/14/2025	30.42	30.94	30.07	30.45	281,311	30.37
5/13/2025	29.90	30.55	29.34	30.40	231,187	30.32
5/12/2025	29.33	29.91	28.35	29.45	292,871	29.38
5/09/2025	28.12	29.01	26.89	27.06	202,104	26.99
5/08/2025	25.39	26.19	25.23	26.16	161,069	26.09
5/07/2025	25.42	25.43	24.77	25.04	123,384	24.98
5/06/2025	25.22	25.63	25.01	25.18	105,125	25.12
5/05/2025	25.56	26.07	25.41	25.45	115,667	25.39
5/02/2025	25.38	26.30	25.15	25.99	141,004	25.92
5/01/2025	25.08	25.37	24.63	25.15	126,352	25.09
4/30/2025	24.97	25.12	24.24	25.06	159,882	25.00
4/29/2025	25.00	25.48	24.72	25.39	129,344	25.33
4/28/2025	25.32	25.74	24.91	25.22	130,405	25.16
4/25/2025	25.17	25.32	24.66	25.29	168,597	25.23
4/24/2025	24.56	25.75	24.43	25.58	156,194	25.52
4/23/2025	25.42	25.67	24.45	24.74	247,308	24.68
4/22/2025	24.81	25.18	24.20	24.65	352,194	24.59
4/21/2025	24.59	24.62	23.94	24.48	145,867	24.42
4/17/2025	24.25	25.17	24.21	24.88	146,160	24.82
4/16/2025	24.43	24.54	23.54	24.09	115,615	24.03
4/15/2025	24.78	25.11	24.20	24.46	101,716	24.40
4/14/2025	25.16	25.16	24.53	25.02	129,998	24.96
4/11/2025	24.40	25.08	24.07	24.91	112,724	24.85
4/10/2025	24.84	25.10	23.64	24.38	209,046	24.32
4/09/2025	23.20	26.29	23.20	25.61	158,471	25.55
4/08/2025	25.23	25.23	22.99	23.50	207,008	23.44
4/07/2025	24.03	25.63	23.33	24.29	244,488	24.23
4/04/2025	24.86	25.10	23.81	25.00	275,004	24.94
4/03/2025	26.66	26.66	25.58	26.00	164,436	25.93
4/02/2025	27.26	28.04	27.08	27.89	99,970	27.82
4/01/2025	27.86	28.04	27.32	27.69	114,300	27.62
3/31/2025	27.56	28.16	27.55	28.00	125,646	27.93
3/28/2025	29.03	29.05	27.38	27.89	167,893	27.82
3/27/2025	28.76	29.31	28.13	29.14	135,956	29.07
3/26/2025	28.50	28.88	28.28	28.69	139,839	28.62
3/25/2025	28.64	28.64	28.18	28.36	228,372	28.29
3/24/2025	28.49	28.77	28.44	28.71	247,855	28.64
3/21/2025	29.29	29.43	28.09	28.15	545,221	28.08
3/20/2025	28.87	30.12	28.56	29.77	275,364	29.69
3/19/2025	30.61	30.65	28.50	29.22	277,277	29.15
3/18/2025	29.97	31.24	29.78	30.68	213,293	30.60
3/17/2025	30.01	30.52	29.44	30.03	205,210	29.95