| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IOSP | Common Stock | Options Exercise | $0 | +670 | +4.4% | $0.000000 | 15,864 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $41,103 | -407 | -2.6% | $100.99 | 15,457 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $26,742 | -263 | -1.7% | $101.68 | 15,194 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Options Exercise | $17,754 | +219 | +1.4% | $81.07 | 15,413 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $22,445 | -219 | -1.4% | $102.49 | 15,194 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Options Exercise | $4,135 | +51 | +0.34% | $81.07 | 15,245 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $5,260 | -51 | -0.33% | $103.13 | 15,194 | 10 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Options Exercise | $20,430 | +252 | +1.7% | $81.07 | 15,446 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $5,688 | -57 | -0.37% | $99.79 | 15,389 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $19,598 | -195 | -1.3% | $100.50 | 15,194 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Options Exercise | $30,923 | +438 | +2.9% | $70.60 | 15,632 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $44,330 | -438 | -2.8% | $101.21 | 15,194 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Options Exercise | $13,908 | +197 | +1.3% | $70.60 | 15,391 | 11 May 2021 | Direct | |
| transaction | IOSP | Common Stock | Sale | $20,001 | -197 | -1.3% | $101.53 | 15,194 | 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 | -670 | -100% | $0.000000* | 0 | 10 May 2021 | Common Stock | 670 | $0.000000 | Direct | |
| transaction | IOSP | Stock Option | Options Exercise | $0 | -219 | -42% | $0.000000 | 303 | 10 May 2021 | Common Stock | 219 | $81.07 | Direct | |
| transaction | IOSP | Stock Option | Options Exercise | $0 | -51 | -17% | $0.000000 | 252 | 10 May 2021 | Common Stock | 51 | $81.07 | Direct | |
| transaction | IOSP | Stock Option | Options Exercise | $0 | -252 | -100% | $0.000000* | 0 | 11 May 2021 | Common Stock | 252 | $81.07 | Direct | |
| transaction | IOSP | Stock Option | Options Exercise | $0 | -438 | -69% | $0.000000 | 197 | 11 May 2021 | Common Stock | 438 | $70.60 | Direct | |
| transaction | IOSP | Stock Option | Options Exercise | $0 | -197 | -100% | $0.000000* | 0 | 11 May 2021 | Common Stock | 197 | $70.60 | Direct |