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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
GRIFFIN HARDY LOUIS III
21 Feb 2025
SVP, HUMAN RESOURCES
Exercised, kept
121
$99.68
$12.06K
BARNES CORBIN
21 Feb 2025
SVP, Corporate Dev and IR
Exercised, kept
200
$99.68
$19.94K
Jones David B.
22 Feb 2024
SVP, GC & CCO
Exercised, kept
204
$99.85
$20.37K
Jones David B.
22 Feb 2024
SVP, GC & CCO
Exercised, kept
609
$99.85
$60.81K
Williams Patrick
22 Feb 2024
PRESIDENT & CEO
Exercised, kept
1,318
$99.85
$131.60K
Jones David B.
16 Feb 2024
SVP, GC & CCO
Exercised, kept
568
$95.70
$54.36K
Jones David B.
16 Feb 2024
SVP, GC & CCO
Exercised, kept
189
$95.70
$18.09K
PALLER Robert I
10 Nov 2023
Director
Exercised, kept
977
$46.03
$44.97K
Poccia Claudia
11 Aug 2023
Director
Exercised, kept
424
$70.74
$29.99K
PADFIELD Larry
12 May 2023
Director
Exercised, kept
1,108
$40.58
$44.96K
Williams Patrick
24 Feb 2023
PRESIDENT & CEO
Exercised, kept
1,323
$95.70
$126.61K
Cleminson Ian
24 Feb 2023
VP & CFO
Exercised, kept
286
$95.70
$27.37K
BOON PHILIP JOHN
24 Feb 2023
Executive VP Business Ops
Exercised, kept
258
$95.70
$24.69K
PALLER Robert I
17 Nov 2022
Director
Exercised, kept
1,089
$41.31
$44.99K
Jones David B.
17 Nov 2022
SVP, GC & CCO
Exercised, kept
532
$81.07
$43.13K
MCROBBIE IAN MALCOLM
22 Nov 2021
Senior VP R&T
Exercised, kept
374
$61.83
$23.12K
PALLER Robert I
9 Nov 2021
Director
Exercised, kept
1,552
$29.56
$45.88K
LANDLESS DAVID
11 May 2021
Director
Exercised, kept
880
$68.20
$60.02K
Jones David B.
10 May 2021
SVP, GC & CCO
Exercised, kept
506
$68.20
$34.51K
BOON PHILIP JOHN
12 Mar 2021
Executive VP Business Ops
Exercised, kept
140
$68.20
$9.55K
BOON PHILIP JOHN
12 Mar 2021
Executive VP Business Ops
Exercised, kept
1,130
$68.20
$77.07K
BOON PHILIP JOHN
12 Mar 2021
Executive VP Business Ops
Exercised, kept
993
$70.60
$70.11K
PALLER Robert I
19 Feb 2021
Director
Exercised, kept
1,660
$27.11
$45.00K
LANDLESS DAVID
25 Feb 2020
Director
Exercised, kept
850
$70.60
$60.01K
Aldous Hugh
29 May 2019
Director
Exercised, kept
1,522
$29.56
$44.99K
Aldous Hugh
29 May 2019
Director
Exercised, kept
1,660
$27.11
$45.00K
LANDLESS DAVID
13 May 2019
Director
Exercised, kept
216
$48.28
$10.43K
Watt Brian
25 Feb 2019
VP, Strat Plan & Regulatory
Exercised, kept
582
$44.18
$25.71K
Watt Brian
25 Feb 2019
VP, Strat Plan & Regulatory
Exercised, kept
702
$44.18
$31.01K
Williams David Earl
24 May 2018
GC & Chief Compliance Officer
Exercised, kept
1,004
$44.18
$44.36K
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