GRIFFIN HARDY LOUIS III 4
4 · INNOSPEC INC. · Filed Mar 3, 2026
Insider Transaction Report
Form 4
INNOSPEC INC.IOSP
GRIFFIN HARDY LOUIS III
SVP, HUMAN RESOURCES
Transactions
- Tax Payment
Common Stock
[F1]2026-02-27$78.34/sh−401$31,414→ 10,161 total
Footnotes (1)
- [F1]Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026.
Signature
Hardy L. Griffin|2026-03-03