INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

Cornerstone Planning Group LLC's Holding History (CIK: 0001822587)

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

Q4 2025
Shares 8 Value ($000) $1 Avg Close $75.03 Range $70.10 - $79.81
Q4 2024
Shares 4 Value ($000) $0 Avg Close $111.62 Range $104.73 - $124.78
Q3 2024
Shares 4 Value ($000) $0 Avg Close $113.17 Range $101.07 - $129.81