Ian Philip Cleminson - 23 Feb 2026 Form 4 Insider Report for INNOSPEC INC. (IOSP)

Role
EVP & CFO
Signature
Ian Philip Cleminson
Issuer symbol
IOSP
Transactions as of
23 Feb 2026
Net transactions value
$0
Form type
4
Filing time
25 Feb 2026, 18:38:58 UTC
Previous filing
18 Feb 2026
Next filing
06 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cleminson Ian EVP & CFO 8310 SOUTH VALLEY HIGHWAY, SUITE 350, ENGLEWOOD Ian Philip Cleminson 25 Feb 2026 0001368260

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IOSP Common Stock Award $0 +4,499 +25% $0.000000 22,737 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.