Lanfear Dennis M
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to Lanfear Dennis M. 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 |
|---|---|---|---|---|---|---|
| CHRS | President & CEO | Tax Withholding | 11,810 | $1.39 | $16,416 | Jan 20, 2025 |
| CHRS | President & CEO | Tax Withholding | 11,810 | $1.66 | $19,605 | Jan 4, 2025 |
| CHRS | President & CEO | Tax Withholding | 11,218 | $2.44 | $27,372 | Jan 20, 2024 |
| CHRS | President & CEO | Tax Withholding | 11,781 | $2.92 | $34,401 | Jan 4, 2024 |
| CHRS | President & CEO | Option Exercise | 258,940 | $1.42 | $367,695 | Nov 22, 2023 |
| CHRS | President & CEO | Award / Grant | 86,250 | — | — | Jan 20, 2023 |
| CHRS | President & CEO | Tax Withholding | 10,905 | $9.87 | $107,632 | Jan 4, 2023 |
| CHRS | President & CEO | Gift | 4,000 | — | — | Dec 30, 2022 |
| CHRS | President & CEO | Award / Grant | 86,250 | — | — | Jan 4, 2022 |
| CHRS | President & CEO | Gift | 10,000 | — | — | Nov 17, 2021 |
| CHRS | President & CEO | Option Exercise | 31,054 | $0.42 | $13,043 | Jun 6, 2021 |
| CHRS | President & CEO | Option Exercise | 29,994 | $0.01 | $300 | Jul 1, 2020 |
| CHRS | President & CEO | Tax Withholding | 21,516 | $17.73 | $381,479 | Jan 10, 2020 |
| CHRS | President & CEO | Sale | 12,500 | $18.56 | $232,000 | Nov 21, 2019 |
| CHRS | President & CEO | Sale | 825,000 | $18.00 | $14,850,000 | Nov 20, 2019 |
| CHRS | President & CEO | Sale | 32,398 | $19.49 | $631,437 | May 30, 2019 |
| CHRS | President and CEO | Award / Grant | 50,265 | — | — | Jan 11, 2019 |
| CHRS | See Remarks | Sale | 20,984 | $16.26 | $341,200 | May 16, 2018 |
| CHRS | See Remarks | Award / Grant | 20,984 | — | — | Dec 15, 2017 |
| CHRS | President and CEO | Sale | 4,010 | $31.75 | $127,318 | Sep 21, 2016 |
| CHRS | President and CEO | Sale | 2,900 | $31.79 | $92,191 | Sep 16, 2016 |
| CHRS | President and CEO | Sale | 400 | $31.75 | $12,700 | Nov 30, 2015 |
| CHRS | President & CEO | Other | 13 | — | — | Mar 18, 2015 |
| CHRS | President & CEO | Other | 828 | — | — | Mar 10, 2015 |
| CHRS | See Remarks | Gift | 20,000 | — | — | Dec 23, 2014 |
| CHRS | See Remarks | C | 3,193 | — | — | Nov 12, 2014 |
| INSM | Award / Grant | 33,784 | — | — | Jun 9, 2010 | |
| INSM | Award / Grant | 14,620 | — | — | May 20, 2009 | |
| INSM | Award / Grant | 120,000 | — | — | Mar 31, 2009 |