David Landless

CIK: 0001667356

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (50.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)1 (16.7%)

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

Companies & Roles (1)

IOSP

INNOSPEC INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

IOSP
INNOSPEC INC.
Feb 27, 2026
Sale(S)
Direct
287 shares at avg. $76.30$22K
IOSP
INNOSPEC INC.
Feb 27, 2026
Sale(S)
Direct
307 shares at avg. $76.79$24K
IOSP
INNOSPEC INC.
Feb 27, 2026
Sale(S)
Direct
594 shares at avg. $76.56$45K
IOSP
INNOSPEC INC.
Feb 23, 2026
Award(A)
Direct
1.5K shares-
IOSP
INNOSPEC INC.
Feb 24, 2025
Award(A)
Direct
1.2K shares-
IOSP
INNOSPEC INC.
Feb 21, 2025
Tax Payment(F)
Direct
306 shares at avg. $105.07$32K

		Type	Shares	Price		Ownership
Feb 27, 2026	IOSP INNOSPEC INC.	Sale(S)	287	$76.30	$21,898	Direct
Feb 27, 2026	IOSP INNOSPEC INC.	Sale(S)	307	$76.79	$23,575	Direct
Feb 27, 2026	IOSP INNOSPEC INC.	Sale(S)	594	$76.56	$45,474	Direct
Feb 23, 2026	IOSP INNOSPEC INC.	Award(A)	1,539	-	$0	Direct
Feb 24, 2025	IOSP INNOSPEC INC.	Award(A)	1,209	-	-	Direct
Feb 21, 2025	IOSP INNOSPEC INC.	Tax Payment(F)	306	$105.07	$32,151	Direct

1-6 of 6 transactions

About LANDLESS DAVID

LANDLESS DAVID (SEC CIK 0001667356) files insider reports with the SEC as Director of INNOSPEC INC. (IOSP).

Signal8 holds 5 ownership filings by LANDLESS DAVID, all Form 4s, filed between Feb 25, 2025 and Mar 6, 2026. Those filings report 6 transactions, from Feb 21, 2025 to Feb 27, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on LANDLESS DAVID's filings is in ENGLEWOOD, CO.

Recent filings by LANDLESS DAVID

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 24, 2025: Grant or award of IOSP shares (Form 4, code A).
Feb 21, 2025: Tax withholding of IOSP shares (Form 4, code F).

Other insiders filing for INNOSPEC INC. (IOSP)

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

How to read Form 4 transaction codes