Hardy L. Griffin - 23 Feb 2026 Form 4 Insider Report for INNOSPEC INC. (IOSP)

Signature
Hardy L. Griffin
Issuer symbol
IOSP
Transactions as of
23 Feb 2026
Net transactions value
$0
Form type
4
Filing time
25 Feb 2026, 18:56:33 UTC
Previous filing
18 Feb 2026
Next filing
03 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
GRIFFIN HARDY LOUIS III SVP, HUMAN RESOURCES 8310 SOUTH VALLEY HIGHWAY, SUITE 350, ENGLEWOOD Hardy L. Griffin 25 Feb 2026 0001862015

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IOSP Common Stock Award $0 +2,521 +31% $0.000000 10,562 23 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029.