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$ Value

$0

Shares

4,499

Price

$0

Filed

Feb 25

Insider

Name

Cleminson Ian

Title

EVP & CFO

CIK

0001368260

Roles

Officer

Transaction Details

Transaction Date

2026-02-23

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

22,737

Footnotes

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

Filing Info

Accession No.

0001193125-26-072437

Form Type

4

Issuer CIK

0001054905

Cleminson Ian's History

Date Ticker Type Value
2026-02-27 IOSP $182K
2026-02-27 IOSP $88K
2026-02-27 IOSP $95K
2026-02-23 IOSP A $0
2026-02-16 IOSP A $0

Other Insiders at IOSP (90d)

Insider Bought Sold Last
PARRETTE LESLIE J 2026-02-23
MCROBBIE IAN MALCOLM
Senior VP R&T
2026-02-23
Williams Patrick
PRESIDENT & CEO
2026-02-27
Cleminson Ian
EVP & CFO
$364K 2026-02-27
Blackmore Milton C $175K 2026-02-27
PADFIELD Larry $175K 2026-02-27
LANDLESS DAVID $91K 2026-02-27
Jones David B.
SVP, GC & CCO
$78K 2026-03-03
Poccia Claudia $18K 2026-02-27
Arnold Elizabeth K 2026-02-23
Blair Graeme
Head of Group Finance
2026-02-23
BARNES CORBIN
SVP, Corporate Dev and IR
2026-02-27
GRIFFIN HARDY LOUIS III
SVP, HUMAN RESOURCES
2026-02-27