ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

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

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

Q4 2025

Shares 2,261,521 Value ($000) $11,941 Avg Close $5.42 Range $4.34 - $7.58

Q3 2025

Shares 2,138,131 Value ($000) $16,207 Avg Close $10.11 Range $7.32 - $11.62

Q2 2025

Shares 2,000,241 Value ($000) $20,983 Avg Close $11.31 Range $9.59 - $12.97

Q1 2025

Shares 1,889,917 Value ($000) $24,437 Avg Close $14.14 Range $12.51 - $16.63

Q4 2024

Shares 1,747,183 Value ($000) $27,588 Avg Close $16.89 Range $14.94 - $19.48

Q3 2024

Shares 1,559,052 Value ($000) $27,767 Avg Close $19.27 Range $15.54 - $24.85

Q2 2024

Shares 1,347,138 Value ($000) $29,556 Avg Close $24.07 Range $21.72 - $26.05

Q1 2024

Shares 1,136,148 Value ($000) $26,722 Avg Close $23.12 Range $21.63 - $27.73

Q4 2023

Shares 921,409 Value ($000) $25,551 Avg Close $22.94 Range $19.32 - $28.48

Q3 2023

Shares 757,944 Value ($000) $16,129 Avg Close $21.83 Range $19.55 - $23.57

Q2 2023

Shares 596,253 Value ($000) $12,652 Avg Close $24.10 Range $20.60 - $26.57

Q1 2023

Shares 441,750 Value ($000) $11,525 Avg Close $22.61 Range $17.43 - $26.91

Q4 2022

Shares 260,206 Value ($000) $4,634 Avg Close $16.82 Range $12.87 - $19.37

Q3 2022

Shares 259,574 Value ($000) $3,465 Avg Close $16.25 Range $13.19 - $17.88

Q2 2022

Shares 269,600 Value ($000) $4,187 Avg Close $16.75 Range $13.84 - $20.63

Q1 2022

Shares 202,809 Value ($000) $3,239 Avg Close $17.22 Range $14.05 - $20.51

Q4 2021

Shares 124,888 Value ($000) $2,293 Avg Close $18.63 Range $16.55 - $20.99

Q3 2021

Shares 97,585 Value ($000) $1,779 Avg Close $17.89 Range $16.30 - $19.39

Q2 2021

Shares 64,016 Value ($000) $1,216 Avg Close $19.79 Range $17.88 - $22.45

Q1 2021

Shares 46,447 Value ($000) $916 Avg Close $18.01 Range $15.23 - $21.05

Q4 2020

Shares 37,861 Value ($000) $649 Avg Close $15.25 Range $12.37 - $17.46

Q3 2020

Shares 33,658 Value ($000) $421 Avg Close $11.98 Range $9.82 - $15.27

Q2 2020

Shares 22,934 Value ($000) $243 Avg Close $9.24 Range $6.17 - $13.55

Q1 2020

Shares 12,034 Value ($000) $90 Avg Close $14.47 Range $5.93 - $19.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,261,521	$11,941	$5.42	$4.34 - $7.58
Q3 2025	2,138,131	$16,207	$10.11	$7.32 - $11.62
Q2 2025	2,000,241	$20,983	$11.31	$9.59 - $12.97
Q1 2025	1,889,917	$24,437	$14.14	$12.51 - $16.63
Q4 2024	1,747,183	$27,588	$16.89	$14.94 - $19.48
Q3 2024	1,559,052	$27,767	$19.27	$15.54 - $24.85
Q2 2024	1,347,138	$29,556	$24.07	$21.72 - $26.05
Q1 2024	1,136,148	$26,722	$23.12	$21.63 - $27.73
Q4 2023	921,409	$25,551	$22.94	$19.32 - $28.48
Q3 2023	757,944	$16,129	$21.83	$19.55 - $23.57
Q2 2023	596,253	$12,652	$24.10	$20.60 - $26.57
Q1 2023	441,750	$11,525	$22.61	$17.43 - $26.91
Q4 2022	260,206	$4,634	$16.82	$12.87 - $19.37
Q3 2022	259,574	$3,465	$16.25	$13.19 - $17.88
Q2 2022	269,600	$4,187	$16.75	$13.84 - $20.63
Q1 2022	202,809	$3,239	$17.22	$14.05 - $20.51
Q4 2021	124,888	$2,293	$18.63	$16.55 - $20.99
Q3 2021	97,585	$1,779	$17.89	$16.30 - $19.39
Q2 2021	64,016	$1,216	$19.79	$17.88 - $22.45
Q1 2021	46,447	$916	$18.01	$15.23 - $21.05
Q4 2020	37,861	$649	$15.25	$12.37 - $17.46
Q3 2020	33,658	$421	$11.98	$9.82 - $15.27
Q2 2020	22,934	$243	$9.24	$6.17 - $13.55
Q1 2020	12,034	$90	$14.47	$5.93 - $19.71