Liawatidewi Yakob
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Liawatidewi Yakob. 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 |
|---|---|---|---|---|---|---|
| AMPH | EVP CORP ADMIN CENTER | Tax Withholding | 1,031 | $26.66 | $27,486 | Mar 17, 2025 |
| AMPH | EVP CORP ADMIN CENTER | Award / Grant | 20,837 | — | — | Mar 10, 2025 |
| AMPH | EVP CORP ADMIN CENTER | Tax Withholding | 1,141 | $28.32 | $32,313 | Mar 6, 2025 |
| AMPH | EVP CORP ADMIN CENTER | Tax Withholding | 963 | $27.62 | $26,598 | Mar 4, 2025 |
| AMPH | EVP CORP ADMIN CENTER | Sale | 5,214 | $52.05 | $271,389 | Nov 6, 2024 |
| AMPH | EVP CORP ADMIN CENTER | Tax Withholding | 272 | $42.22 | $11,484 | Jun 4, 2024 |
| AMPH | EVP CORP ADMIN CENTER | Tax Withholding | 1,027 | $43.05 | $44,212 | Mar 17, 2024 |
| AMPH | EVP CORP ADMIN CENTER | Tax Withholding | 1,221 | $46.31 | $56,545 | Mar 6, 2024 |
| AMPH | EVP CORP ADMIN CENTER | Award / Grant | 10,754 | — | — | Mar 4, 2024 |
| AMPH | EVP Corp Admin Center | Option Exercise | 5,497 | $20.23 | $111,204 | Aug 28, 2023 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 378 | $46.70 | $17,653 | Jun 4, 2023 |
| AMPH | EVP Corp Admin Center | Option Exercise | 11,494 | $20.23 | $232,524 | Apr 13, 2023 |
| AMPH | EVP Corp Admin Center | Option Exercise | 5,000 | $20.23 | $101,150 | Apr 10, 2023 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 1,620 | $37.60 | $60,912 | Mar 17, 2023 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 1,851 | $36.84 | $68,191 | Mar 15, 2023 |
| AMPH | EVP Corp Admin Center | Award / Grant | 12,752 | — | — | Mar 6, 2023 |
| AMPH | EVP Corp Admin Center | Option Exercise | 3,055 | $19.79 | $60,458 | Aug 8, 2022 |
| AMPH | EVP Corp Admin Center | Sale | 3,478 | $35.94 | $124,999 | Jul 15, 2022 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 128 | $31.02 | $3,971 | Jun 14, 2022 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 264 | $37.77 | $9,971 | Jun 4, 2022 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 1,619 | $34.22 | $55,402 | Mar 17, 2022 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 1,559 | $34.74 | $54,160 | Mar 15, 2022 |
| AMPH | EVP Corp Admin Center | Option Exercise | 8,932 | $14.95 | $133,533 | Aug 2, 2021 |
| AMPH | EVP Corp Admin Center | Option Exercise | 23,352 | $13.35 | $311,749 | Jul 15, 2021 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 128 | $19.68 | $2,519 | Jun 14, 2021 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 264 | $18.79 | $4,961 | Jun 4, 2021 |
| AMPH | SVP Corp Admin Center | Option Exercise | 9,637 | $11.33 | $109,187 | May 17, 2021 |
| AMPH | EVP Corp Admin Center | Sale | 10,000 | $19.06 | $190,600 | May 12, 2021 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 2,430 | $18.44 | $44,809 | Mar 17, 2021 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 1,559 | $19.15 | $29,855 | Mar 15, 2021 |
| AMPH | EVP Corp Admin Center | Sale | 5,978 | $21.22 | $126,853 | Jul 20, 2020 |
| AMPH | EVP Corp Admin Center | Tax Withholding | 128 | $19.58 | $2,506 | Jun 14, 2020 |
| AMPH | EVP Corp Admin Center | Option Exercise | 16,000 | $10.93 | $174,880 | Jun 9, 2020 |
| AMPH | SVP Corp Admin Center | Award / Grant | 3,048 | — | — | Jun 4, 2020 |
| AMPH | SVP Corp Admin Center | Award / Grant | 18,726 | — | — | Mar 16, 2020 |
| AMPH | SVP Corp Admin Center | Tax Withholding | 1,559 | $14.19 | $22,122 | Mar 15, 2020 |
| AMPH | SVP Corp Admin Center | Sale | 3,000 | $21.45 | $64,350 | Sep 13, 2019 |
| AMPH | SVP Corp Admin Center | Sale | 1,515 | $21.24 | $32,179 | Sep 6, 2019 |
| AMPH | SVP Corp Admin Center | Option Exercise | 5,000 | $10.93 | $54,650 | Aug 12, 2019 |
| AMPH | SVP Corp Admin Center | Tax Withholding | 195 | $19.82 | $3,865 | Jun 14, 2019 |
| AMPH | SVP Corp Admin Center | Tax Withholding | 885 | $20.54 | $18,178 | Mar 26, 2019 |
| AMPH | SVP Corp Admin Center | Award / Grant | 9,886 | — | — | Mar 17, 2019 |
| AMPH | SVP Corp Admin Center | Sale | 4,868 | $24.00 | $116,832 | Feb 14, 2019 |
| AMPH | SVP Corp Admin Center | Option Exercise | 9,817 | $10.48 | $102,882 | Feb 5, 2019 |
| AMPH | SVP Corp Admin Center | Option Exercise | 3,000 | $10.48 | $31,440 | Jan 22, 2019 |
| AMPH | SVP Corp Admin Center | Option Exercise | 8 | $10.48 | $84 | Jan 16, 2019 |
| AMPH | SVP Corp Admin Center | Sale | 11,500 | $21.50 | $247,250 | Nov 30, 2018 |
| AMPH | SVP Corp Admin Center | Sale | 1,520 | $20.49 | $31,145 | Nov 28, 2018 |
| AMPH | SVP Corp Admin Center | Sale | 1,299 | $20.26 | $26,318 | Nov 23, 2018 |
| AMPH | SVP Corp Admin Center | Option Exercise | 4,903 | $14.23 | $69,770 | Nov 8, 2018 |