KOPPERS HOLDINGS INC

Ticker: KOP CUSIP: 50060P106 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 116,473 Value ($000) $3,154 Avg Close $27.92 Range $24.93 - $30.27

Q3 2025

Shares 110,557 Value ($000) $3,096 Avg Close $30.64 Range $26.64 - $35.42

Q2 2025

Shares 115,391 Value ($000) $3,710 Avg Close $28.51 Range $22.81 - $33.40

Q1 2025

Shares 298,797 Value ($000) $8,366 Avg Close $29.79 Range $26.71 - $32.62

Q4 2024

Shares 458,306 Value ($000) $14,849 Avg Close $35.29 Range $30.31 - $39.33

Q3 2024

Shares 568,787 Value ($000) $20,778 Avg Close $36.81 Range $33.32 - $41.05

Q2 2024

Shares 471,201 Value ($000) $17,430 Avg Close $45.92 Range $36.33 - $56.06

Q1 2024

Shares 472,831 Value ($000) $26,086 Avg Close $50.84 Range $45.30 - $57.24

Q4 2023

Shares 427,828 Value ($000) $21,913 Avg Close $41.07 Range $34.25 - $51.33

Q3 2023

Shares 436,515 Value ($000) $17,264 Avg Close $37.10 Range $32.03 - $41.14

Q2 2023

Shares 452,382 Value ($000) $15,426 Avg Close $31.88 Range $27.88 - $34.73

Q1 2023

Shares 461,186 Value ($000) $16,128 Avg Close $32.48 Range $27.62 - $37.52

Q4 2022

Shares 345,621 Value ($000) $9,747 Avg Close $26.33 Range $20.34 - $31.62

Q3 2022

Shares 347,216 Value ($000) $7,215 Avg Close $22.41 Range $19.60 - $25.85

Q2 2022

Shares 348,757 Value ($000) $7,895 Avg Close $24.62 Range $21.17 - $27.82

Q1 2022

Shares 369,013 Value ($000) $10,155 Avg Close $28.63 Range $26.03 - $32.64

Q4 2021

Shares 376,007 Value ($000) $11,769 Avg Close $31.64 Range $27.29 - $36.29

Q3 2021

Shares 397,648 Value ($000) $12,431 Avg Close $30.18 Range $27.05 - $33.29

Q2 2021

Shares 396,926 Value ($000) $12,840 Avg Close $32.69 Range $29.53 - $38.23

Q1 2021

Shares 377,603 Value ($000) $13,126 Avg Close $33.96 Range $28.60 - $37.95

Q4 2020

Shares 460,904 Value ($000) $14,362 Avg Close $25.23 Range $19.75 - $30.43

Q3 2020

Shares 366,441 Value ($000) $7,662 Avg Close $22.04 Range $16.86 - $26.37

Q2 2020

Shares 365,941 Value ($000) $6,894 Avg Close $14.72 Range $8.00 - $22.09

Q1 2020

Shares 167,604 Value ($000) $2,073 Avg Close $24.89 Range $8.37 - $37.67

Q4 2019

Shares 167,982 Value ($000) $6,420 Avg Close $34.04 Range $25.45 - $43.37

Q3 2019

Shares 163,134 Value ($000) $4,765 Avg Close $26.87 Range $22.89 - $29.57

Q2 2019

Shares 165,599 Value ($000) $4,862 Avg Close $27.00 Range $25.07 - $29.17

Q1 2019

Shares 165,128 Value ($000) $4,290 Avg Close $22.79 Range $16.00 - $26.87

Q4 2018

Shares 166,498 Value ($000) $2,837 Avg Close $22.79 Range $14.54 - $31.53

Q3 2018

Shares 170,991 Value ($000) $5,326 Avg Close $34.72 Range $29.56 - $38.82

Q2 2018

Shares 164,514 Value ($000) $6,309 Avg Close $40.28 Range $36.59 - $44.88

Q1 2018

Shares 166,321 Value ($000) $6,836 Avg Close $42.63 Range $37.56 - $49.72

Q4 2017

Shares 161,201 Value ($000) $8,205 Avg Close $47.24 Range $44.34 - $50.21

Q3 2017

Shares 166,301 Value ($000) $7,675 Avg Close $37.68 Range $34.09 - $45.12

Q2 2017

Shares 168,108 Value ($000) $6,077 Avg Close $37.33 Range $32.86 - $43.42

Q1 2017

Shares 162,458 Value ($000) $6,880 Avg Close $40.70 Range $37.90 - $44.44

Q4 2016

Shares 156,545 Value ($000) $6,309 Avg Close $35.58 Range $30.32 - $41.39

Q3 2016

Shares 149,410 Value ($000) $4,808 Avg Close $30.57 Range $27.66 - $32.67

Q2 2016

Shares 145,113 Value ($000) $4,459 Avg Close $25.09 Range $20.72 - $30.39

Q1 2016

Shares 140,785 Value ($000) $3,163 Avg Close $17.27 Range $13.16 - $22.71

Q4 2015

Shares 135,279 Value ($000) $2,469 Avg Close $19.67 Range $16.81 - $22.90

Q3 2015

Shares 129,325 Value ($000) $2,608 Avg Close $20.57 Range $17.33 - $24.10

Q2 2015

Shares 125,084 Value ($000) $3,092 Avg Close $23.45 Range $18.67 - $26.56

Q1 2015

Shares 126,991 Value ($000) $2,500 Avg Close $19.47 Range $15.29 - $25.63

Q4 2014

Shares 124,145 Value ($000) $3,225 Avg Close $29.74 Range $21.83 - $38.35

Q3 2014

Shares 123,312 Value ($000) $4,089 Avg Close $34.78 Range $31.75 - $37.67

Q2 2014

Shares 124,523 Value ($000) $4,763 Avg Close $37.27 Range $33.70 - $43.17

Q1 2014

Shares 131,575 Value ($000) $5,425 Avg Close $38.65 Range $33.68 - $43.26

Q4 2013

Shares 125,205 Value ($000) $5,728 Avg Close $42.61 Range $39.00 - $46.85

Q3 2013

Shares 119,983 Value ($000) $5,117 Avg Close $36.85 Range $32.31 - $40.30

Q2 2013

Shares 116,834 Value ($000) $4,461 Avg Close $38.63 Range $34.88 - $43.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	116,473	$3,154	$27.92	$24.93 - $30.27
Q3 2025	110,557	$3,096	$30.64	$26.64 - $35.42
Q2 2025	115,391	$3,710	$28.51	$22.81 - $33.40
Q1 2025	298,797	$8,366	$29.79	$26.71 - $32.62
Q4 2024	458,306	$14,849	$35.29	$30.31 - $39.33
Q3 2024	568,787	$20,778	$36.81	$33.32 - $41.05
Q2 2024	471,201	$17,430	$45.92	$36.33 - $56.06
Q1 2024	472,831	$26,086	$50.84	$45.30 - $57.24
Q4 2023	427,828	$21,913	$41.07	$34.25 - $51.33
Q3 2023	436,515	$17,264	$37.10	$32.03 - $41.14
Q2 2023	452,382	$15,426	$31.88	$27.88 - $34.73
Q1 2023	461,186	$16,128	$32.48	$27.62 - $37.52
Q4 2022	345,621	$9,747	$26.33	$20.34 - $31.62
Q3 2022	347,216	$7,215	$22.41	$19.60 - $25.85
Q2 2022	348,757	$7,895	$24.62	$21.17 - $27.82
Q1 2022	369,013	$10,155	$28.63	$26.03 - $32.64
Q4 2021	376,007	$11,769	$31.64	$27.29 - $36.29
Q3 2021	397,648	$12,431	$30.18	$27.05 - $33.29
Q2 2021	396,926	$12,840	$32.69	$29.53 - $38.23
Q1 2021	377,603	$13,126	$33.96	$28.60 - $37.95
Q4 2020	460,904	$14,362	$25.23	$19.75 - $30.43
Q3 2020	366,441	$7,662	$22.04	$16.86 - $26.37
Q2 2020	365,941	$6,894	$14.72	$8.00 - $22.09
Q1 2020	167,604	$2,073	$24.89	$8.37 - $37.67
Q4 2019	167,982	$6,420	$34.04	$25.45 - $43.37
Q3 2019	163,134	$4,765	$26.87	$22.89 - $29.57
Q2 2019	165,599	$4,862	$27.00	$25.07 - $29.17
Q1 2019	165,128	$4,290	$22.79	$16.00 - $26.87
Q4 2018	166,498	$2,837	$22.79	$14.54 - $31.53
Q3 2018	170,991	$5,326	$34.72	$29.56 - $38.82
Q2 2018	164,514	$6,309	$40.28	$36.59 - $44.88
Q1 2018	166,321	$6,836	$42.63	$37.56 - $49.72
Q4 2017	161,201	$8,205	$47.24	$44.34 - $50.21
Q3 2017	166,301	$7,675	$37.68	$34.09 - $45.12
Q2 2017	168,108	$6,077	$37.33	$32.86 - $43.42
Q1 2017	162,458	$6,880	$40.70	$37.90 - $44.44
Q4 2016	156,545	$6,309	$35.58	$30.32 - $41.39
Q3 2016	149,410	$4,808	$30.57	$27.66 - $32.67
Q2 2016	145,113	$4,459	$25.09	$20.72 - $30.39
Q1 2016	140,785	$3,163	$17.27	$13.16 - $22.71
Q4 2015	135,279	$2,469	$19.67	$16.81 - $22.90
Q3 2015	129,325	$2,608	$20.57	$17.33 - $24.10
Q2 2015	125,084	$3,092	$23.45	$18.67 - $26.56
Q1 2015	126,991	$2,500	$19.47	$15.29 - $25.63
Q4 2014	124,145	$3,225	$29.74	$21.83 - $38.35
Q3 2014	123,312	$4,089	$34.78	$31.75 - $37.67
Q2 2014	124,523	$4,763	$37.27	$33.70 - $43.17
Q1 2014	131,575	$5,425	$38.65	$33.68 - $43.26
Q4 2013	125,205	$5,728	$42.61	$39.00 - $46.85
Q3 2013	119,983	$5,117	$36.85	$32.31 - $40.30
Q2 2013	116,834	$4,461	$38.63	$34.88 - $43.02