ADVANCED EMISSIONS SOLUTS IN

Ticker: ARQ CUSIP: 00770C101 Class: COM

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

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

Q4 2025
Shares 544 Value ($000) $2 Avg Close $4.89 Range $3.18 - $7.37
Q3 2025
Shares 544 Value ($000) $4 Avg Close $6.61 Range $5.11 - $7.89