Koo Richard
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Koo Richard. 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 | Award / Grant | 6,019 | — | — | Jun 7, 2021 | |
| AMPH | Option Exercise | 25,827 | $16.43 | $424,338 | Jun 1, 2021 | |
| AMPH | Award / Grant | 5,851 | — | — | Jun 8, 2020 | |
| AMPH | Option Exercise | 47,782 | $15.11 | $721,986 | May 27, 2020 | |
| AMPH | Award / Grant | 5,491 | — | — | Jun 12, 2019 | |
| AMPH | Sale | 29,278 | $21.32 | $624,207 | Dec 11, 2018 | |
| AMPH | Award / Grant | 6,590 | — | — | Jun 7, 2018 | |
| AMPH | Award / Grant | 5,844 | — | — | Jun 8, 2017 | |
| AMPH | Award / Grant | 6,086 | — | — | Jun 9, 2016 | |
| AMPH | Award / Grant | 8,686 | — | — | May 27, 2015 | |
| AMPH | Purchase | 4,900 | $10.08 | $49,392 | Aug 15, 2014 |