INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q4 2025

Shares 22,830 Value ($000) $1,747 Avg Close $75.03 Range $70.10 - $79.81

Q3 2025

Shares 3,425 Value ($000) $264 Avg Close $82.49 Range $73.21 - $89.37

Q4 2018

Shares 3,281 Value ($000) $203 Avg Close $62.18 Range $48.12 - $70.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22,830	$1,747	$75.03	$70.10 - $79.81
Q3 2025	3,425	$264	$82.49	$73.21 - $89.37
Q4 2018	3,281	$203	$62.18	$48.12 - $70.66