| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IOSP | Common Stock | Options Exercise | $54,014 | +792 | +0.45% | $68.20 | 176,907 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $35,548 | -352 | -0.2% | $100.99 | 176,555 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $27,183 | -267 | -0.15% | $101.81 | 176,288 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $17,774 | -173 | -0.1% | $102.74 | 176,115 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $38,046 | -378 | -0.21% | $100.65 | 175,737 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $93,537 | -921 | -0.52% | $101.56 | 174,816 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $44,978 | -438 | -0.25% | $102.69 | 174,378 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Options Exercise | $53,060 | +778 | +0.45% | $68.20 | 175,156 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $3,183 | -32 | -0.02% | $99.48 | 175,124 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $19,897 | -198 | -0.11% | $100.49 | 174,926 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $55,523 | -548 | -0.31% | $101.32 | 174,378 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $30,746 | -307 | -0.18% | $100.15 | 174,071 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $137,828 | -1,361 | -0.78% | $101.27 | 172,710 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $2,545 | -25 | -0.01% | $101.81 | 172,685 | 11 May 2021 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IOSP | Stock Option | Options Exercise | $0 | -792 | -50% | $0.000000 | 778 | 10 May 2021 | Common Stock | 792 | $68.20 | Direct | |
| transaction | IOSP | Stock Option | Options Exercise | $0 | -778 | -100% | $0.000000* | 0 | 11 May 2021 | Common Stock | 778 | $68.20 | Direct |