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| Role | Insider | Date | Transaction | Value | Shares |
|---|---|---|---|---|---|
| Director | DIVITO VINCENT L | Dec 19, 2024 | Buy | $0 | 37,500 |
| Chief Eng and Opr Officer | Taecker Benjamin S. | Dec 19, 2024 | Buy | $0 | 50,000 |
| Director | Zhang Peifang | Dec 19, 2024 | Buy | $0 | 37,500 |
| CEO | Cotton Stephen | Dec 19, 2024 | Buy | $0 | 175,000 |
| CFO | Merrill Judd | Dec 19, 2024 | Buy | $0 | 125,000 |
| Director | YI SUNG | May 14, 2024 | Buy | $29.25K | 75,000 |
| Chief Eng and Opr Officer | Taecker Benjamin S. | May 14, 2024 | Buy | $9.75K | 25,000 |
| Director | SMITH EDWARD J | May 14, 2024 | Buy | $9.75K | 25,000 |
| Chief Business Officer | McMurtry David | May 14, 2024 | Buy | $9.75K | 25,000 |
| Director | Zhang Peifang | May 14, 2024 | Buy | $24.38K | 62,500 |
| Director | DIVITO VINCENT L | May 14, 2024 | Buy | $24.38K | 62,500 |
| CEO | Cotton Stephen | May 14, 2024 | Buy | $97.5K | 250,000 |
| CFO | Merrill Judd | May 14, 2024 | Buy | $14.63K | 37,500 |
| Director | SMITH EDWARD J | May 14, 2024 | Buy | $250 | 25,000 |
| Director | DIVITO VINCENT L | May 14, 2024 | Buy | $625 | 62,500 |
| Director | YI SUNG | May 14, 2024 | Buy | $750 | 75,000 |
| CFO | Merrill Judd | May 14, 2024 | Buy | $375 | 37,500 |
| Chief Business Officer | McMurtry David | May 14, 2024 | Buy | $250 | 25,000 |
| CEO | Cotton Stephen | May 14, 2024 | Buy | $2.5K | 250,000 |
| Director | Zhang Peifang | May 14, 2024 | Buy | $625 | 62,500 |
| Chief Eng and Opr Officer | Taecker Benjamin S. | May 14, 2024 | Buy | $250 | 25,000 |
| Director | DIVITO VINCENT L | Nov 17, 2023 | Buy | $4.45K | 5,000 |
| Director | DIVITO VINCENT L | Jul 19, 2023 | Buy | $9.9K | 9,000 |
| Director | Zhang Peifang | Jul 19, 2023 | Buy | $80.19K | 72,900 |
| Director | SMITH EDWARD J | Jul 19, 2023 | Buy | $99.55K | 90,500 |
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.