KOPPERS HOLDINGS INC

Ticker: KOP CUSIP: 50060P106 Class: Common Stock

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 419,323 Value ($000) $11,355 Avg Close $27.92 Range $24.93 - $30.27

Q3 2025

Shares 326,739 Value ($000) $9,149 Avg Close $30.64 Range $26.64 - $35.42

Q2 2025

Shares 186,729 Value ($000) $6,003 Avg Close $28.51 Range $22.81 - $33.40

Q1 2025

Shares 76,152 Value ($000) $2,132 Avg Close $29.79 Range $26.71 - $32.62

Q4 2024

Shares 50,012 Value ($000) $1,620 Avg Close $35.29 Range $30.31 - $39.33

Q3 2024

Shares 43,603 Value ($000) $1,593 Avg Close $36.81 Range $33.32 - $41.05

Q2 2024

Shares 39,179 Value ($000) $1,449 Avg Close $45.92 Range $36.33 - $56.06

Q1 2024

Shares 34,425 Value ($000) $1,899 Avg Close $50.84 Range $45.30 - $57.24

Q4 2023

Shares 26,208 Value ($000) $1,342 Avg Close $41.07 Range $34.25 - $51.33

Q3 2023

Shares 18,822 Value ($000) $744 Avg Close $37.10 Range $32.03 - $41.14

Q2 2023

Shares 16,281 Value ($000) $555 Avg Close $31.88 Range $27.88 - $34.73

Q1 2023

Shares 11,201 Value ($000) $392 Avg Close $32.48 Range $27.62 - $37.52

Q4 2022

Shares 8,986 Value ($000) $253 Avg Close $26.33 Range $20.34 - $31.62

Q2 2022

Shares 15,047 Value ($000) $341 Avg Close $24.62 Range $21.17 - $27.82

Q1 2022

Shares 10,052 Value ($000) $277 Avg Close $28.63 Range $26.03 - $32.64

Q4 2021

Shares 9,676 Value ($000) $303 Avg Close $31.64 Range $27.29 - $36.29

Q2 2018

Shares 62,760 Value ($000) $2,407 Avg Close $40.28 Range $36.59 - $44.88

Q1 2018

Shares 138,411 Value ($000) $5,689 Avg Close $42.63 Range $37.56 - $49.72

Q4 2017

Shares 168,540 Value ($000) $8,579 Avg Close $47.24 Range $44.34 - $50.21

Q3 2017

Shares 236,528 Value ($000) $10,916 Avg Close $37.68 Range $34.09 - $45.12

Q2 2017

Shares 227,555 Value ($000) $8,226 Avg Close $37.33 Range $32.86 - $43.42

Q1 2017

Shares 216,252 Value ($000) $9,158 Avg Close $40.70 Range $37.90 - $44.44

Q4 2016

Shares 105,370 Value ($000) $4,246 Avg Close $35.58 Range $30.32 - $41.39

Q3 2016

Shares 67,131 Value ($000) $2,160 Avg Close $30.57 Range $27.66 - $32.67

Q2 2016

Shares 62,983 Value ($000) $1,935 Avg Close $25.09 Range $20.72 - $30.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	419,323	$11,355	$27.92	$24.93 - $30.27
Q3 2025	326,739	$9,149	$30.64	$26.64 - $35.42
Q2 2025	186,729	$6,003	$28.51	$22.81 - $33.40
Q1 2025	76,152	$2,132	$29.79	$26.71 - $32.62
Q4 2024	50,012	$1,620	$35.29	$30.31 - $39.33
Q3 2024	43,603	$1,593	$36.81	$33.32 - $41.05
Q2 2024	39,179	$1,449	$45.92	$36.33 - $56.06
Q1 2024	34,425	$1,899	$50.84	$45.30 - $57.24
Q4 2023	26,208	$1,342	$41.07	$34.25 - $51.33
Q3 2023	18,822	$744	$37.10	$32.03 - $41.14
Q2 2023	16,281	$555	$31.88	$27.88 - $34.73
Q1 2023	11,201	$392	$32.48	$27.62 - $37.52
Q4 2022	8,986	$253	$26.33	$20.34 - $31.62
Q2 2022	15,047	$341	$24.62	$21.17 - $27.82
Q1 2022	10,052	$277	$28.63	$26.03 - $32.64
Q4 2021	9,676	$303	$31.64	$27.29 - $36.29
Q2 2018	62,760	$2,407	$40.28	$36.59 - $44.88
Q1 2018	138,411	$5,689	$42.63	$37.56 - $49.72
Q4 2017	168,540	$8,579	$47.24	$44.34 - $50.21
Q3 2017	236,528	$10,916	$37.68	$34.09 - $45.12
Q2 2017	227,555	$8,226	$37.33	$32.86 - $43.42
Q1 2017	216,252	$9,158	$40.70	$37.90 - $44.44
Q4 2016	105,370	$4,246	$35.58	$30.32 - $41.39
Q3 2016	67,131	$2,160	$30.57	$27.66 - $32.67
Q2 2016	62,983	$1,935	$25.09	$20.72 - $30.39