David Landless - 23 Feb 2026 Form 4 Insider Report for INNOSPEC INC. (IOSP)

Role
Director
Signature
David Landless
Issuer symbol
IOSP
Transactions as of
23 Feb 2026
Net transactions value
$0
Form type
4
Filing time
24 Feb 2026, 18:41:15 UTC
Previous filing
27 Feb 2025
Next filing
06 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
LANDLESS DAVID Director 8310 SOUTH VALLEY HIGHWAY, SUITE 350, ENGLEWOOD David Landless 24 Feb 2026 0001667356

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IOSP Common Stock Award $0 +1,539 +23% $0.000000 8,226 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") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director.