Wang David H
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Wang David H. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| ACMR | See Remarks | Option Exercise | 70,000 | $1.00 | $70,000 | Dec 3, 2025 |
| ACMR | See Remarks | Option Exercise | 130,000 | $1.00 | $130,000 | Sep 8, 2025 |
| ACMR | See Remarks | Option Exercise | 70,000 | $1.00 | $70,000 | Sep 4, 2025 |
| ACMR | See Remarks | Option Exercise | 60,000 | $1.00 | $60,000 | May 21, 2025 |
| ACMR | See Remarks | Sale | 37,500 | $27.42 | $1,028,250 | Mar 13, 2025 |
| ACMR | See Remarks | Tax Withholding | 4,048 | $25.94 | $105,005 | Mar 3, 2025 |
| ACMR | See Remarks | Sale | 56,250 | $17.44 | $981,000 | Nov 29, 2024 |
| ACMR | See Remarks | Sale | 46,766 | $17.80 | $832,435 | Nov 26, 2024 |
| ACMR | See Remarks | Sale | 56,250 | $19.08 | $1,073,250 | Nov 22, 2024 |
| ACMR | See Remarks | Tax Withholding | 7,262 | $18.59 | $135,001 | Nov 14, 2024 |
| ACMR | See Remarks | Sale | 41,090 | $22.62 | $929,456 | May 29, 2024 |
| ACMR | See Remarks | Sale | 45,000 | $22.81 | $1,026,450 | May 22, 2024 |
| ACMR | See Remarks | Option Exercise | 180,000 | $0.50 | $90,000 | May 14, 2024 |
| ACMR | See Remarks | Sale | 76,478 | $27.51 | $2,103,910 | Mar 14, 2024 |
| ACMR | See Remarks | Sale | 45,000 | $30.36 | $1,366,200 | Mar 8, 2024 |
| ACMR | See Remarks | Option Exercise | 180,000 | $0.50 | $90,000 | Mar 1, 2024 |
| ACMR | See Remarks | Sale | 39,776 | $17.13 | $681,363 | Nov 29, 2023 |
| ACMR | See Remarks | Sale | 45,000 | $17.67 | $795,150 | Nov 22, 2023 |
| ACMR | See Remarks | Option Exercise | 180,000 | $0.50 | $90,000 | Nov 14, 2023 |
| ACMR | See Remarks | Sale | 3,573 | $18.72 | $66,887 | Sep 13, 2023 |
| ACMR | See Remarks | Tax Withholding | 4,884 | $18.43 | $90,012 | Sep 4, 2023 |
| ACMR | See remarks | Sale | 49,228 | $90.55 | $4,457,595 | Mar 18, 2021 |
| ACMR | See remarks | Tax Withholding | 773 | $97.05 | $75,020 | Mar 12, 2021 |
| ACMR | See remarks | Sale | 32,995 | $82.50 | $2,722,088 | Dec 4, 2020 |
| ACMR | See remarks | Tax Withholding | 339 | $73.76 | $25,005 | Nov 25, 2020 |
| ACMR | See remarks | Sale | 20,000 | $84.53 | $1,690,600 | Sep 4, 2020 |
| ACMR | See remarks | Tax Withholding | 547 | $96.05 | $52,539 | Aug 27, 2020 |
| ACMR | See remarks | C | 33,334 | — | — | May 21, 2020 |
| ACMR | See remarks | Disposition | 28,661 | $13.20 | $378,325 | Aug 23, 2019 |
| ACMR | See Remarks | Option Exercise | 30,000 | $0.75 | $22,500 | Aug 20, 2019 |
| ACMR | See Remarks | Option Exercise | 15,279 | $3.00 | $45,837 | Jun 29, 2018 |