ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 1,404,458 Value ($000) $7,416 Avg Close $5.42 Range $4.34 - $7.58

Q3 2025

Shares 1,168,445 Value ($000) $8,857 Avg Close $10.11 Range $7.32 - $11.62

Q2 2025

Shares 1,090,687 Value ($000) $11,441 Avg Close $11.31 Range $9.59 - $12.97

Q1 2025

Shares 1,029,867 Value ($000) $13,316 Avg Close $14.14 Range $12.51 - $16.63

Q4 2024

Shares 960,349 Value ($000) $15,164 Avg Close $16.89 Range $14.94 - $19.48

Q3 2024

Shares 875,275 Value ($000) $15,589 Avg Close $19.27 Range $15.54 - $24.85

Q2 2024

Shares 841,092 Value ($000) $18,454 Avg Close $24.07 Range $21.72 - $26.05

Q1 2024

Shares 918,720 Value ($000) $21,608 Avg Close $23.12 Range $21.63 - $27.73

Q4 2023

Shares 899,341 Value ($000) $24,939 Avg Close $22.94 Range $19.32 - $28.48

Q3 2023

Shares 845,621 Value ($000) $17,995 Avg Close $21.83 Range $19.55 - $23.57

Q2 2023

Shares 775,600 Value ($000) $16,458 Avg Close $24.10 Range $20.60 - $26.57

Q1 2023

Shares 816,477 Value ($000) $21,302 Avg Close $22.61 Range $17.43 - $26.91

Q4 2022

Shares 828,412 Value ($000) $14,754 Avg Close $16.82 Range $12.87 - $19.37

Q3 2022

Shares 827,032 Value ($000) $11,041 Avg Close $16.25 Range $13.19 - $17.88

Q2 2022

Shares 823,481 Value ($000) $12,789 Avg Close $16.75 Range $13.84 - $20.63

Q1 2022

Shares 791,923 Value ($000) $12,648 Avg Close $17.22 Range $14.05 - $20.51

Q4 2021

Shares 768,012 Value ($000) $14,101 Avg Close $18.63 Range $16.55 - $20.99

Q3 2021

Shares 738,075 Value ($000) $13,456 Avg Close $17.89 Range $16.30 - $19.39

Q2 2021

Shares 719,208 Value ($000) $13,658 Avg Close $19.79 Range $17.88 - $22.45

Q1 2021

Shares 724,643 Value ($000) $14,290 Avg Close $18.01 Range $15.23 - $21.05

Q4 2020

Shares 701,522 Value ($000) $12,025 Avg Close $15.25 Range $12.37 - $17.46

Q3 2020

Shares 628,055 Value ($000) $7,857 Avg Close $11.98 Range $9.82 - $15.27

Q2 2020

Shares 302,014 Value ($000) $3,199 Avg Close $9.24 Range $6.17 - $13.55

Q1 2020

Shares 217,912 Value ($000) $1,626 Avg Close $14.47 Range $5.93 - $19.71

Q4 2019

Shares 346,415 Value ($000) $6,686 Avg Close $18.07 Range $15.41 - $20.78

Q3 2019

Shares 222,093 Value ($000) $3,712 Avg Close $16.36 Range $12.10 - $21.87

Q2 2019

Shares 124,006 Value ($000) $2,655 Avg Close $19.78 Range $17.52 - $21.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,404,458	$7,416	$5.42	$4.34 - $7.58
Q3 2025	1,168,445	$8,857	$10.11	$7.32 - $11.62
Q2 2025	1,090,687	$11,441	$11.31	$9.59 - $12.97
Q1 2025	1,029,867	$13,316	$14.14	$12.51 - $16.63
Q4 2024	960,349	$15,164	$16.89	$14.94 - $19.48
Q3 2024	875,275	$15,589	$19.27	$15.54 - $24.85
Q2 2024	841,092	$18,454	$24.07	$21.72 - $26.05
Q1 2024	918,720	$21,608	$23.12	$21.63 - $27.73
Q4 2023	899,341	$24,939	$22.94	$19.32 - $28.48
Q3 2023	845,621	$17,995	$21.83	$19.55 - $23.57
Q2 2023	775,600	$16,458	$24.10	$20.60 - $26.57
Q1 2023	816,477	$21,302	$22.61	$17.43 - $26.91
Q4 2022	828,412	$14,754	$16.82	$12.87 - $19.37
Q3 2022	827,032	$11,041	$16.25	$13.19 - $17.88
Q2 2022	823,481	$12,789	$16.75	$13.84 - $20.63
Q1 2022	791,923	$12,648	$17.22	$14.05 - $20.51
Q4 2021	768,012	$14,101	$18.63	$16.55 - $20.99
Q3 2021	738,075	$13,456	$17.89	$16.30 - $19.39
Q2 2021	719,208	$13,658	$19.79	$17.88 - $22.45
Q1 2021	724,643	$14,290	$18.01	$15.23 - $21.05
Q4 2020	701,522	$12,025	$15.25	$12.37 - $17.46
Q3 2020	628,055	$7,857	$11.98	$9.82 - $15.27
Q2 2020	302,014	$3,199	$9.24	$6.17 - $13.55
Q1 2020	217,912	$1,626	$14.47	$5.93 - $19.71
Q4 2019	346,415	$6,686	$18.07	$15.41 - $20.78
Q3 2019	222,093	$3,712	$16.36	$12.10 - $21.87
Q2 2019	124,006	$2,655	$19.78	$17.52 - $21.71