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▼ SELL

$ Value

$16K

Shares

176

Price

$91

Filed

May 15

Insider

Name

PARRETTE LESLIE J

Title

CIK

0001159202

Roles

Director

Transaction Details

Transaction Date

2025-05-13

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

5,497

Footnotes

Shares sold through a "broker sale" to settle tax withholding obligations in connection with the vesting of time-based restricted stock units.

Filing Info

Accession No.

0000950170-25-073069

Form Type

4

Issuer CIK

0001054905

PARRETTE LESLIE J's History

Date Ticker Type Value
2026-02-23 IOSP A $0
2025-11-14 IOSP $25K
2025-05-13 IOSP $24K
2025-05-13 IOSP $16K

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