ECOVYST INC

Ticker: ECVT CUSIP: 27923Q109 Class: EQTY

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025
Shares 264 Value ($000) $3 Avg Close $8.73 Range $7.41 - $10.01
Q3 2025
Shares 904 Value ($000) $8 Avg Close $8.81 Range $7.38 - $9.69
Q2 2025
Shares 910 Value ($000) $7 Avg Close $7.02 Range $5.24 - $8.64
Q1 2025
Shares 910 Value ($000) $6 Avg Close $7.40 Range $6.08 - $8.53
Q4 2024
Shares 910 Value ($000) $7 Avg Close $7.39 Range $6.08 - $8.67
Q3 2024
Shares 508 Value ($000) $3 Avg Close $7.62 Range $6.02 - $9.91
Q2 2024
Shares 918 Value ($000) $8 Avg Close $9.67 Range $8.62 - $11.21