Ian Cleminson

CIK: 0001368260

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (44.4%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (55.6%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

IOSP

INNOSPEC INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

IOSP
INNOSPEC INC.
Oct 1, 2026
Award(A)
Phantom Stock
Direct
4.8K shares-
IOSP
INNOSPEC INC.
Feb 27, 2026
Sale(S)
Direct
1.2K shares at avg. $76.79$95K
IOSP
INNOSPEC INC.
Feb 27, 2026
Sale(S)
Direct
1.1K shares at avg. $76.30$88K
IOSP
INNOSPEC INC.
Feb 27, 2026
Sale(S)
Direct
2.4K shares at avg. $76.56$182K
IOSP
INNOSPEC INC.
Feb 23, 2026
Award(A)
Direct
4.5K shares-
IOSP
INNOSPEC INC.
Feb 16, 2026
Award(A)
Direct
2.4K shares-
IOSP
INNOSPEC INC.
Mar 3, 2025
Sale(S)
Direct
4.3K shares at avg. $100.98$432K
IOSP
INNOSPEC INC.
Feb 24, 2025
Award(A)
Direct
2.9K shares-
IOSP
INNOSPEC INC.
Feb 21, 2025
Award(A)
Direct
4.3K shares-

		Type	Shares	Price		Ownership
Oct 1, 2026	IOSP INNOSPEC INC.	Award(A) Phantom Stock	4,792	-	-	Direct
Feb 27, 2026	IOSP INNOSPEC INC.	Sale(S)	1,231	$76.79	$94,528	Direct
Feb 27, 2026	IOSP INNOSPEC INC.	Sale(S)	1,149	$76.30	$87,669	Direct
Feb 27, 2026	IOSP INNOSPEC INC.	Sale(S)	2,380	$76.56	$182,213	Direct
Feb 23, 2026	IOSP INNOSPEC INC.	Award(A)	4,499	-	$0	Direct
Feb 16, 2026	IOSP INNOSPEC INC.	Award(A)	2,380	-	$0	Direct
Mar 3, 2025	IOSP INNOSPEC INC.	Sale(S)	4,275	$100.98	$431,679	Direct
Feb 24, 2025	IOSP INNOSPEC INC.	Award(A)	2,862	-	-	Direct
Feb 21, 2025	IOSP INNOSPEC INC.	Award(A)	4,275	-	-	Direct

1-9 of 9 transactions

About Cleminson Ian

Cleminson Ian (SEC CIK 0001368260) files insider reports with the SEC as EVP & CFO of INNOSPEC INC. (IOSP).

Signal8 holds 8 ownership filings by Cleminson Ian, all Form 4s, filed between Feb 25, 2025 and Oct 5, 2026. Those filings report 9 transactions, from Feb 21, 2025 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Cleminson Ian's filings is in ENGLEWOOD, CO.

Recent filings by Cleminson Ian

Oct 1, 2026: Grant or award of IOSP derivative securities (Form 4, code A).
Feb 27, 2026: Open-market sales of IOSP shares (3 lines, Form 4, code S).
Feb 23, 2026: Grant or award of IOSP shares (Form 4, code A).
Feb 16, 2026: Grant or award of IOSP shares (Form 4, code A).
Mar 3, 2025: Open-market sale of IOSP shares (Form 4, code S).

Other insiders filing for INNOSPEC INC. (IOSP)

BARNES CORBIN, SVP, Corporate Dev and IR
GRIFFIN HARDY LOUIS III, SVP, HUMAN RESOURCES
MCROBBIE IAN MALCOLM, Senior VP R&T
Jones David B., SVP, GC & CCO
Williams Patrick, PRESIDENT & CEO
Bausch Shelley J, Director

How to read Form 4 transaction codes