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INNOSPEC INC.

IOSP Net selling
CIK 0001054905 #1939 in the set updated 18 Sep 2026
Bought (120 mo)
$543.78K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$42.89M
$0.00 on a plan · $20.55M straight out of an exercise
Sold at will
$22.34M
84 of 248 sales
Net
−$42.34M
−$21.79M against sales at will

By person

20 insiders · 296 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Williams Patrick
PRESIDENT & CEO
$20.73M (75)
−$20.73M
231,535
$17.51M
+19.0%
BOON PHILIP JOHN
Executive VP Business Ops
$5.25M (21) scheduled
−$5.25M
20,079
$1.52M
−21.1%
Cleminson Ian
EVP & CFO
$5.12M (32) scheduled
−$5.12M
20,357
$1.54M
−24.9%
HESSNER CATHERINE
Senior VP - Human Resources
$2.81M (27) scheduled
−$2.81M
44,627
$3.38M
−22.2%
Watt Brian
VP, Strat Plan & Regulatory
$2.33M (24) scheduled
−$2.33M
25,124
$1.90M
−18.2%
MCROBBIE IAN MALCOLM
Senior VP R&T
$1.81M (9) scheduled
−$1.81M
36,679
$2.77M
−6.7%
Blackmore Milton C
Director
$24.20K (1)
$739.26K (13) scheduled
−$715.06K
13,530
$1.02M
+41.6%
ROESER Joachim
Director
$614.92K (3) scheduled
−$614.92K
5,260
$397.87K
−1.2%
Jones David B.
SVP, GC & CCO
$131.23K (2)
$711.54K (3)
−$580.31K
14,693
$1.11M
+681.1%
Curran Philip
Group Financial Controller
$579.00K (13) scheduled
−$579.00K
2,459
$186.00K
+69.4%
Aldous Hugh
Director
$473.78K (3)
−$473.78K
32,537
$2.46M
+15.3%
Williams David Earl
GC & Chief Compliance Officer
$385.97K (5) scheduled
−$385.97K
14,516
$1.10M
0.0%
GRIFFIN HARDY LOUIS III
SVP, HUMAN RESOURCES
$315.94K (3)
−$315.94K
10,161
$768.58K
+107.7%
PADFIELD Larry
Director
$249.23K (4) scheduled
−$249.23K
9,453
$715.02K
+368.2%
BARNES CORBIN
SVP, Corporate Dev and IR
$172.40K (2)
$375.80K (3)
−$203.40K
13,080
$989.34K
+163.1%
PARRETTE LESLIE J
Director
$215.95K (6)
$40.42K (2)
+$175.53K
7,376
$557.92K
PALLER Robert I
Director
$158.72K (1) scheduled
−$158.72K
14,343
$1.08M
+235.3%
Poccia Claudia
Director
$118.38K (4) scheduled
−$118.38K
6,508
$492.27K
LANDLESS DAVID
Director
$79.15K (3)
−$79.15K
7,632
$577.28K
+522.5%
Arnold Elizabeth K
Director
6,376
$482.28K
+298.5%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Insider
Date
Role
Action
Shares
Price
Amount
PARRETTE LESLIE J
14 Nov 2025
Director
Buy
340
$74.09
$25.19K
PARRETTE LESLIE J
13 Aug 2024
Director
Buy
143
$105.84
$15.14K
PARRETTE LESLIE J
16 May 2024
Director
Buy
189
$131.57
$24.87K
PARRETTE LESLIE J
22 Feb 2024
Director
Buy
410
$123.96
$50.82K
PARRETTE LESLIE J
10 May 2023
Director
Buy
515
$96.75
$49.83K
BARNES CORBIN
17 Mar 2023
SVP, Corporate Dev and IR
Buy
400
$99.75
$39.90K
BARNES CORBIN
7 Mar 2023
SVP, Corporate Dev and IR
Buy
1,250
$106.00
$132.50K
PARRETTE LESLIE J
3 Mar 2023
Director
Buy
450
$111.35
$50.11K
Jones David B.
2 Mar 2023
SVP, GC & CCO
Buy
459
$108.98
$50.02K
Jones David B.
5 Dec 2022
SVP, GC & CCO
Buy
752
$107.99
$81.21K
Showing 250 of 296 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 325
Amendments (4/A) skipped 24
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 164
Sales at will 84
Transactions with no price 0
Shares from compensation/vesting 813,583
Sales filed before the plan box existed 51
History held since 14 Nov 2016