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IOSP • CIK 0001054905
Loading insider transactions…
People and entities that have reported ownership via Form 3, 3/A, 4, 4/A, 5, 5/A
Parsed transactions from Form 4 (and 3/5) filings (past year)
1 transactions · 340 shares
$25.19K total value
2 transactions · 2.06K shares
$168.59K total value
2 transactions · 2.06K shares
| Filing Date | Insiders | Transactions | Filing |
|---|---|---|---|
| Oct 5, 2026 | BARNES CORBIN | Grant/Award: 2.64K shares | View |
| Oct 5, 2026 | GRIFFIN HARDY LOUIS III | Grant/Award: 2.69K shares | View |
| Oct 5, 2026 | Cleminson Ian | Grant/Award: 4.79K shares | View |
| Oct 5, 2026 | MCROBBIE IAN MALCOLM | Grant/Award: 3.16K shares | View |
| Oct 5, 2026 | Jones David B. | Grant/Award: 3.19K shares | View |
| Oct 5, 2026 | Williams Patrick | Grant/Award: 22.20K shares | View |
| Feb 25, 2026 | BARNES CORBIN | Grant/Award: 2.48K shares | View |
| Feb 25, 2026 | GRIFFIN HARDY LOUIS III | Grant/Award: 2.52K shares | View |
| Feb 25, 2026 | Cleminson Ian | Grant/Award: 4.50K shares | View |
| Feb 25, 2026 | Williams Patrick | Grant/Award: 20.85K shares | View |
| Feb 25, 2026 | Jones David B. | Grant/Award: 2.99K shares | View |
| Feb 25, 2026 | — | — | View |
| Feb 25, 2026 | — | — | View |
| Feb 25, 2026 | Arnold Elizabeth K | Grant/Award: 1.54K shares | View |
| Feb 24, 2026 | PARRETTE LESLIE J | Grant/Award: 1.54K shares | View |
| Feb 24, 2026 | LANDLESS DAVID | Grant/Award: 1.54K shares | View |
| Feb 24, 2026 | Poccia Claudia | Grant/Award: 1.54K shares | View |
| Feb 24, 2026 | Blackmore Milton C | Exercised 1.03K options @ $44.18/share; sold 1.03K @ $81.8409/share ($84.30K) Grant/Award: 1.54K shares | View |
| Feb 24, 2026 | PADFIELD Larry | Exercised 1.03K options @ $44.18/share; sold 1.03K @ $81.8409/share ($84.30K) Grant/Award: 1.54K shares | View |
| Feb 18, 2026 | BARNES CORBIN | Grant/Award: 1.73K shares | View |
| Feb 18, 2026 | GRIFFIN HARDY LOUIS III | Grant/Award: 1.30K shares | View |
| Feb 18, 2026 | Cleminson Ian | Grant/Award: 2.38K shares | View |
| Feb 18, 2026 | Williams Patrick | Grant/Award: 18.97K shares | View |
| Feb 18, 2026 | Jones David B. | Grant/Award: 1.90K shares | View |
| Nov 17, 2025 | PARRETTE LESLIE J | Bought 340 @ $74.09/share ($25.19K) | View |