Schedule 13G filing

Allspring Global Investments Holdings, LLC cut its Innospec Inc. (IOSP) stake below 5%

Schedule 13G · Filed Oct 7, 2026

Allspring Global Investments Holdings, LLC reported owning 4.7% of Innospec Inc. (IOSP) (1,161,421 shares) in a Schedule 13G filed Oct 7, 2026.

A 13G is a passive stake: the holder does not plan to push for changes.

Exited

Innospec Inc.

Stake

4.7% stake

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From a public Schedule 13G, linked above. Not investment advice, and not a recommendation to buy or sell.