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| Role | Insider | Date | Transaction | Value | Shares |
|---|---|---|---|---|---|
| CEO | Gilson Jean-Marc | Aug 27, 2025 | Buy | $2.02K | 95.29 |
| CEO | Gilson Jean-Marc | Aug 21, 2025 | Buy | $27.53K | 1,250 |
| CEO | Gilson Jean-Marc | Aug 20, 2025 | Buy | $27.33K | 1,250 |
| CEO | Gilson Jean-Marc | Aug 15, 2025 | Buy | $102.65K | 4,700 |
| Chairman | Chao James | May 29, 2025 | Sell | $81.77K | 3,700 |
| CEO | Gilson Jean-Marc | May 29, 2025 | Buy | $2.08K | 93.728 |
| Chairman | Chao James | May 28, 2025 | Sell | $101.66K | 4,600 |
| Chairman | Chao James | May 27, 2025 | Sell | $124.33K | 5,608 |
| CEO | Gilson Jean-Marc | Feb 25, 2025 | Buy | $2.04K | 82.507 |
| CEO | Gilson Jean-Marc | Nov 27, 2024 | Buy | $2K | 84.96 |
| CEO | Gilson Jean-Marc | Aug 29, 2024 | Buy | $22.83K | 1,000 |
| CEO | Gilson Jean-Marc | Aug 28, 2024 | Buy | $7.34K | 320 |
| CEO | Gilson Jean-Marc | Aug 28, 2024 | Buy | $11.47K | 500 |
| CEO | Gilson Jean-Marc | Aug 27, 2024 | Buy | $22.95K | 1,000 |
| CEO | Gilson Jean-Marc | Aug 26, 2024 | Buy | $11.42K | 500 |
| CEO | Gilson Jean-Marc | Aug 23, 2024 | Buy | $11.44K | 500 |
| CEO | Gilson Jean-Marc | Aug 22, 2024 | Buy | $9.65K | 427 |
| SVP, Olefin Material & Corp Pr | Kenner Andrew | Aug 12, 2024 | Buy | $60.91K | 2,692 |
| SVP, Olefin Material & Corp Pr | Kenner Andrew | Aug 9, 2024 | Buy | $275.87K | 12,000 |
| SVP, Olefin Material & Corp Pr | Kenner Andrew | May 30, 2024 | Buy | $50.93K | 2,291 |
| SVP, Olefin Material & Corp Pr | Kenner Andrew | May 10, 2024 | Buy | $158.44K | 7,178 |
| SVP, Olefin Material & Corp Pr | Kenner Andrew | May 8, 2024 | Buy | $221K | 10,000 |
| SVP, Olefin Material & Corp Pr | Kenner Andrew | Mar 28, 2024 | Buy | $111.15K | 5,000 |
| SVP, Olefin Material & Corp Pr | Kenner Andrew | Mar 21, 2024 | Buy | $93.74K | 4,230 |
| SVP, Olefin Material & Corp Pr | Kenner Andrew | Mar 6, 2024 | Buy | $111.5K | 5,000 |
Open-market purchases and sales reported on SEC form 4 over the last 10years. Awards, option exercises, gifts and other non-market form 4 activity are excluded. Chart markers group a day's filings by direction; the table lists each filing.