Stock chart
Ticker: IOSP Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-03-04 2025-03-03 S Sale

Cleminson Ian

EVP & CFO

Officer
4,275 -21.2%
100.98
USD 431,679
4,275 -21.2% 100.98 USD 431,679
2025-02-26 2025-02-24 S Sale

BARNES CORBIN

SVP, Corporate Dev and IR

Officer
598 -6.9%
103.06
USD 61,630
598 -6.9% 103.06 USD 61,630
2025-02-25 2025-02-21 S Sale

PADFIELD Larry

Non-Executive Director
196 -2.6%
103.30
USD 20,247
196 -2.6% 103.30 USD 20,247
2025-02-24 2025-02-21 S Sale

BARNES CORBIN

SVP, Corporate Dev and IR

Officer
2,692 -25.1%
103.30
USD 278,087
2,692 -25.1% 103.30 USD 278,087
2025-02-24 2025-02-21 S Sale

BOON PHILIP JOHN

Executive VP Business Ops

Officer
3,754 -15.8%
103.30
USD 387,793
3,754 -15.8% 103.30 USD 387,793
2025-02-24 2025-02-21 S Sale

Jones David B.

SVP, GC & CCO

Officer
3,091 -24.2%
103.30
USD 319,304
3,091 -24.2% 103.30 USD 319,304
2025-02-24 2025-02-21 S Sale

Blackmore Milton C

Non-Executive Director
652 -7.2%
103.30
USD 67,352
652 -7.2% 103.30 USD 67,352
2024-11-25 2024-11-22 S Sale

Poccia Claudia

Non-Executive Director
300 -7.2%
119.88
USD 35,964
300 -7.2% 119.88 USD 35,964
2025-01-30 2024-11-18 S Sale

GRIFFIN HARDY LOUIS III

SVP, HUMAN RESOURCES

Officer
161 -3.4%
117.52
USD 18,921
161 -3.4% 117.52 USD 18,921
2025-01-30 2024-11-18 S Sale

BARNES CORBIN

SVP, Corporate Dev and IR

Officer
307 -3.7%
117.52
USD 36,079
307 -3.7% 117.52 USD 36,079
2024-11-14 2024-11-13 S Sale

Blackmore Milton C

Non-Executive Director
1,035 -10.3%
122.92
USD 127,222
1,035 -10.3% 122.92 USD 127,222
2024-08-27 2024-08-26 S Sale

Cleminson Ian

VP & CFO

Officer
200 -1.5%
116.05
USD 23,210
200 -1.5% 116.05 USD 23,210
2024-08-27 2024-08-26 S Sale

Cleminson Ian

VP & CFO

Officer
1,209 -8.4%
115.24
USD 139,329
1,209 -8.4% 115.24 USD 139,329
2024-08-27 2024-08-26 S Sale

Cleminson Ian

VP & CFO

Officer
1,989 -12.1%
114.31
USD 227,363
1,989 -12.1% 114.31 USD 227,363
2024-08-27 2024-08-23 S Sale

Cleminson Ian

VP & CFO

Officer
6,602 -28.7%
113.60
USD 749,987
6,602 -28.7% 113.60 USD 749,987
2024-08-14 2024-08-13 B Purchase

PARRETTE LESLIE J

Non-Executive Director
143 +3.1%
105.84
USD 15,135
143 +3.1% 105.84 USD 15,135
2024-05-22 2024-05-20 S Sale

GRIFFIN HARDY LOUIS III

SVP, HUMAN RESOURCES

Officer
525 -10.4%
129.78
USD 68,135
525 -10.4% 129.78 USD 68,135
2024-05-20 2024-05-16 B Purchase

PARRETTE LESLIE J

Non-Executive Director
189 +4.3%
131.57
USD 24,867
189 +4.3% 131.57 USD 24,867
2024-03-06 2024-03-01 S Sale

Jones David B.

SVP, GC & CCO

Officer
2,500 -20.6%
125.79
USD 314,483
2,500 -20.6% 125.79 USD 314,483
2024-03-01 2024-02-29 S Sale

Cleminson Ian

VP & CFO

Officer
931 -3.9%
124.07
USD 115,508
931 -3.9% 124.07 USD 115,508
2024-03-01 2024-02-29 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
3,955 -2.3%
124.21
USD 491,251
3,955 -2.3% 124.21 USD 491,251
2024-02-28 2024-02-27 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
5,572 -3.2%
124.73
USD 694,972
5,572 -3.2% 124.73 USD 694,972
2024-02-28 2024-02-27 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
4,095 -2.3%
124.12
USD 508,287
4,095 -2.3% 124.12 USD 508,287
2024-02-27 2024-02-26 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
100 -0.1%
126.05
USD 12,605
100 -0.1% 126.05 USD 12,605
2024-02-27 2024-02-26 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
5,402 -3.2%
125.27
USD 676,698
5,402 -3.2% 125.27 USD 676,698
2024-02-27 2024-02-26 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
4,165 -2.4%
124.65
USD 519,152
4,165 -2.4% 124.65 USD 519,152
2024-02-26 2024-02-23 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
11 -0.0%
125.15
USD 1,377
11 -0.0% 125.15 USD 1,377
2024-02-26 2024-02-23 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
6,899 -3.8%
124.66
USD 860,014
6,899 -3.8% 124.66 USD 860,014
2024-02-26 2024-02-23 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
2,757 -1.5%
123.63
USD 340,858
2,757 -1.5% 123.63 USD 340,858
2024-02-26 2024-02-22 S Sale

Blackmore Milton C

Non-Executive Director
601 -6.8%
122.07
USD 73,366
601 -6.8% 122.07 USD 73,366
2024-02-26 2024-02-22 S Sale

GRIFFIN HARDY LOUIS III

SVP, HUMAN RESOURCES

Officer
1,875 -27.3%
122.07
USD 228,887
1,875 -27.3% 122.07 USD 228,887
2024-02-26 2024-02-22 S Sale

Cleminson Ian

VP & CFO

Officer
4,190 -16.6%
123.77
USD 518,596
4,190 -16.6% 123.77 USD 518,596
2024-02-26 2024-02-22 S Sale

BOON PHILIP JOHN

Executive VP Business Ops

Officer
3,715 -16.7%
122.07
USD 453,500
3,715 -16.7% 122.07 USD 453,500
2024-02-23 2024-02-22 B Purchase

PARRETTE LESLIE J

Non-Executive Director
410 +12.8%
123.96
USD 50,824
410 +12.8% 123.96 USD 50,824
2023-11-15 2023-11-13 S Sale

PADFIELD Larry

Non-Executive Director
977 -12.9%
101.54
USD 99,208
977 -12.9% 101.54 USD 99,208
2023-05-24 2023-05-22 S Sale

Poccia Claudia

Non-Executive Director
339 -23.4%
99.20
USD 33,627
339 -23.4% 99.20 USD 33,627
2023-05-24 2023-05-22 S Sale

Poccia Claudia

Non-Executive Director
400 -40.0%
99.20
USD 39,678
400 -40.0% 99.20 USD 39,678
2023-05-11 2023-05-10 B Purchase

PARRETTE LESLIE J

Non-Executive Director
515 +19.1%
96.75
USD 49,826
515 +19.1% 96.75 USD 49,826
2023-03-20 2023-03-17 B Purchase

BARNES CORBIN

SVP, Corporate Dev and IR

Officer
400 +27.6%
99.75
USD 39,900
400 +27.6% 99.75 USD 39,900
2023-03-09 2023-03-07 S Sale

BOON PHILIP JOHN

Executive VP Business Ops

Officer
5,717 -23.4%
105.62
USD 603,805
5,717 -23.4% 105.62 USD 603,805
2023-03-09 2023-03-07 S Sale

BOON PHILIP JOHN

Executive VP Business Ops

Officer
774 -4.0%
105.62
USD 81,747
774 -4.0% 105.62 USD 81,747
2023-03-09 2023-03-07 B Purchase

BARNES CORBIN

SVP, Corporate Dev and IR

Officer
1,250 +634.5%
106.00
USD 132,500
1,250 +634.5% 106.00 USD 132,500
2023-03-09 2023-03-06 S Sale

Cleminson Ian

VP & CFO

Officer
902 -4.1%
106.38
USD 95,959
902 -4.1% 106.38 USD 95,959
2023-03-09 2023-03-06 S Sale

Cleminson Ian

VP & CFO

Officer
2,787 -11.2%
105.23
USD 293,277
2,787 -11.2% 105.23 USD 293,277
2023-03-09 2023-03-06 S Sale

Cleminson Ian

VP & CFO

Officer
1,534 -5.8%
104.10
USD 159,686
1,534 -5.8% 104.10 USD 159,686
2023-03-09 2023-03-06 S Sale

Cleminson Ian

VP & CFO

Officer
450 -2.1%
106.07
USD 47,732
450 -2.1% 106.07 USD 47,732
2023-03-09 2023-03-06 S Sale

Cleminson Ian

VP & CFO

Officer
406 -1.9%
106.07
USD 43,065
406 -1.9% 106.07 USD 43,065
2023-03-09 2023-03-03 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
717 -0.5%
110.92
USD 79,530
717 -0.5% 110.92 USD 79,530
2023-03-09 2023-03-03 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
714 -0.5%
109.74
USD 78,351
714 -0.5% 109.74 USD 78,351
2023-03-09 2023-03-03 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
1,377 -1.0%
108.92
USD 149,977
1,377 -1.0% 108.92 USD 149,977
2023-03-09 2023-03-03 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
1,159 -0.8%
108.14
USD 125,337
1,159 -0.8% 108.14 USD 125,337
2023-03-09 2023-03-03 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
1,341 -0.9%
110.95
USD 148,786
1,341 -0.9% 110.95 USD 148,786
2023-03-09 2023-03-03 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
1,320 -0.9%
109.78
USD 144,915
1,320 -0.9% 109.78 USD 144,915
2023-03-09 2023-03-03 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
2,610 -1.8%
108.85
USD 284,102
2,610 -1.8% 108.85 USD 284,102
2023-03-09 2023-03-03 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
2,201 -1.5%
108.11
USD 237,945
2,201 -1.5% 108.11 USD 237,945
2023-03-06 2023-03-03 B Purchase

PARRETTE LESLIE J

Non-Executive Director
450 +75.8%
111.35
USD 50,108
450 +75.8% 111.35 USD 50,108
2023-03-09 2023-03-02 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
1,294 -0.9%
109.83
USD 142,122
1,294 -0.9% 109.83 USD 142,122
2023-03-09 2023-03-02 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
6,293 -4.0%
109.05
USD 686,265
6,293 -4.0% 109.05 USD 686,265
2023-03-09 2023-03-02 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
3,853 -2.4%
108.42
USD 417,737
3,853 -2.4% 108.42 USD 417,737
2023-03-02 2023-03-02 B Purchase

Jones David B.

SVP, GC & CCO

Officer
459 +7.6%
108.98
USD 50,022
459 +7.6% 108.98 USD 50,022
2023-03-02 2023-03-01 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
275 -0.2%
110.90
USD 30,497
275 -0.2% 110.90 USD 30,497
2023-03-02 2023-03-01 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
4,328 -2.7%
110.06
USD 476,361
4,328 -2.7% 110.06 USD 476,361
2023-03-02 2023-03-01 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
4,540 -2.7%
109.28
USD 496,111
4,540 -2.7% 109.28 USD 496,111
2023-03-01 2023-02-28 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
287 -0.2%
111.58
USD 32,025
287 -0.2% 111.58 USD 32,025
2023-03-01 2023-02-28 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
5,444 -3.2%
110.97
USD 604,105
5,444 -3.2% 110.97 USD 604,105
2023-03-01 2023-02-28 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
3,415 -1.9%
110.04
USD 375,778
3,415 -1.9% 110.04 USD 375,778
2023-03-01 2023-02-27 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
1,925 -1.1%
111.69
USD 215,005
1,925 -1.1% 111.69 USD 215,005
2023-03-01 2023-02-27 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
6,699 -3.7%
111.16
USD 744,631
6,699 -3.7% 111.16 USD 744,631
2023-03-01 2023-02-27 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
501 -0.3%
110.06
USD 55,138
501 -0.3% 110.06 USD 55,138
2023-03-01 2023-02-27 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
21 -0.0%
108.31
USD 2,275
21 -0.0% 108.31 USD 2,275
2023-02-27 2023-02-24 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
3,879 -2.1%
109.20
USD 423,577
3,879 -2.1% 109.20 USD 423,577
2023-02-27 2023-02-24 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
3,405 -1.8%
108.36
USD 368,971
3,405 -1.8% 108.36 USD 368,971
2023-02-27 2023-02-24 S Sale

Williams Patrick

PRESIDENT & CEO

Officer
1,862 -1.0%
107.29
USD 199,781
1,862 -1.0% 107.29 USD 199,781
2022-12-06 2022-12-05 B Purchase

Jones David B.

SVP, GC & CCO

Officer
752 +96.7%
107.99
USD 81,208
752 +96.7% 107.99 USD 81,208
2022-03-01 2022-02-25 S Sale

LANDLESS DAVID

Non-Executive Director
29 -0.4%
97.56
USD 2,829
29 -0.4% 97.56 USD 2,829
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