IRONWOOD INVESTMENT MANAGEMENT LLC

Holdings History for Koppers Holdings Inc. - Common Stock (KOP)

Symbol: KOP on NYSE
Investment type: Equity / Common Stock

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.88%	-0.06%	$2,096,425	77,416	-5,000	-6.1%	$27.08	Q4 2025
30 Sep 2025	1%	0%	$2,307,648	82,416	0		$28.00	Q3 2025
30 Jun 2025	1.3%	-0.05%	$2,649,674	82,416	-3,500	-4.1%	$32.15	Q2 2025
31 Mar 2025	1.3%	0%	$2,405,648	85,916	0		$28.00	Q1 2025
31 Dec 2024	1.4%	+0.11%	$2,783,678	85,916	+7,000	+8.9%	$32.40	Q4 2024
30 Sep 2024	1.4%	+0.17%	$2,882,801	78,916	+9,500	+14%	$36.53	Q3 2024
30 Jun 2024	1.4%	-0.55%	$2,567,698	69,416	-30,680	-31%	$36.99	Q2 2024
31 Mar 2024	2.7%	+0.29%	$5,522,296	100,096	+10,840	+12%	$55.17	Q1 2024
31 Dec 2023	2.4%	-0.02%	$4,571,692	89,256	-800	-0.89%	$51.22	Q4 2023
30 Sep 2023	2.2%	0%	$3,561,715	90,056	0		$39.55	Q3 2023
30 Jun 2023	1.8%	-0.06%	$3,070,910	90,056	-3,000	-3.2%	$34.10	Q2 2023
31 Mar 2023	2%	-0.07%	$3,254,168	93,056	-3,000	-3.1%	$34.97	Q1 2023
31 Dec 2022	1.8%	-0.02%	$2,708,779	96,056	-1,000	-1%	$28.20	Q4 2022
30 Sep 2022	1.4%	0%	$2,017,000	97,056	0		$20.78	Q3 2022
30 Jun 2022	1.5%	-0.03%	$2,197,000	97,056	-1,800	-1.8%	$22.64	Q2 2022
31 Mar 2022	1.5%	0%	$2,721,000	98,856	0		$27.52	Q1 2022
31 Dec 2021	1.5%	-0.02%	$3,094,000	98,856	-1,500	-1.5%	$31.30	Q4 2021
30 Sep 2021	1.6%	-0.02%	$3,137,000	100,356	-1,420	-1.4%	$31.26	Q3 2021
30 Jun 2021	1.7%	0%	$3,292,000	101,776	0		$32.35	Q2 2021
31 Mar 2021	1.9%	+0.08%	$3,538,000	101,776	+4,500	+4.6%	$34.76	Q1 2021
31 Dec 2020	1.8%	-0.06%	$3,031,000	97,276	-3,020	-3%	$31.16	Q4 2020
30 Sep 2020	1.5%	+0.05%	$2,097,000	100,296	+3,020	+3.1%	$20.91	Q3 2020
30 Jun 2020	1.4%	+0.22%	$1,833,000	97,276	+15,300	+19%	$18.84	Q2 2020
31 Mar 2020	1%	-0.1%	$1,014,000	81,976	-8,250	-9.1%	$12.37	Q1 2020
31 Dec 2019	2.4%	-0.07%	$3,448,000	90,226	-2,650	-2.9%	$38.22	Q4 2019
30 Sep 2019	2%	+0.04%	$2,713,000	92,876	+1,865	+2%	$29.21	Q3 2019
30 Jun 2019	2.1%	0%	$2,672,000	91,011	0		$29.36	Q2 2019
31 Mar 2019	1.9%	0%	$2,364,000	91,011	0		$25.97	Q1 2019
31 Dec 2018	1.4%	+0.3%	$1,551,000	91,011	+18,890	+26%	$17.04	Q4 2018
30 Sep 2018	1.6%	0%	$2,247,000	72,121	0		$31.16	Q3 2018
30 Jun 2018	2%	0%	$2,766,000	72,121	0		$38.35	Q2 2018
31 Mar 2018	2.2%	+0.21%	$2,964,000	72,121	+7,000	+11%	$41.10	Q1 2018
31 Dec 2017	2.4%	-0.18%	$3,315,000	65,121	-5,000	-7.1%	$50.91	Q4 2017
30 Sep 2017	2.3%	0%	$3,236,000	70,121	0		$46.15	Q3 2017
30 Jun 2017	1.8%	+0.01%	$2,535,000	70,121	+550	+0.79%	$36.15	Q2 2017
31 Mar 2017	2.2%	-0.02%	$2,946,000	69,571	-544	-0.78%	$42.35	Q1 2017
31 Dec 2016	2.1%	-0%	$2,826,000	70,115	-40	-0.06%	$40.31	Q4 2016
30 Sep 2016	1.7%	+0%	$2,258,000	70,155	+40	+0.06%	$32.19	Q3 2016
30 Jun 2016	1.6%	0%	$2,155,000	70,115	0		$30.74	Q2 2016
31 Mar 2016	1%	+0.07%	$1,575,000	70,115	+4,500	+6.9%	$22.46	Q1 2016
31 Dec 2015	0.49%	+0.1%	$1,197,000	65,615	+13,250	+25%	$18.24	Q4 2015
30 Sep 2015	0.39%	0%	$1,056,000	52,365	0		$20.17	Q3 2015
30 Jun 2015	0.3%	+0.02%	$1,294,000	52,365	+4,390	+9.2%	$24.71	Q2 2015
31 Mar 2015	0.17%	+0.04%	$944,000	47,975	+11,665	+32%	$19.68	Q1 2015
31 Dec 2014	0.17%	+0.02%	$943,000	36,310	+3,500	+11%	$25.97	Q4 2014
30 Sep 2014	0.2%	+0.02%	$1,088,000	32,810	+3,700	+13%	$33.16	Q3 2014
30 Jun 2014	0.18%	+0.07%	$1,113,000	29,110	+11,810	+68%	$38.23	Q2 2014
31 Mar 2014	0.1%	+0%	$713,000	17,300	+700	+4.2%	$41.21	Q1 2014
31 Dec 2013	0.11%	0%	$759,000	16,600	0		$45.72	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.