STOLPER MARK
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to STOLPER MARK. 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 |
|---|---|---|---|---|---|---|
| RDNT | EVP, Chief Financial Officer | Option Exercise | 35,703 | $6.07 | $216,717 | Dec 10, 2025 |
| RDNT | EVP, Chief Financial Officer | Sale | 35,000 | $73.89 | $2,586,150 | Sep 16, 2025 |
| RDNT | EVP, Chief Financial Officer | Award / Grant | 22,889 | — | — | Jan 8, 2025 |
| RDNT | EVP, Chief Financial Officer | Gift | 275 | — | — | Dec 16, 2024 |
| RDNT | EVP, Chief Financial Officer | Sale | 25,000 | $61.27 | $1,531,750 | Jun 10, 2024 |
| RDNT | EVP, Chief Financial Officer | Award / Grant | 14,072 | — | — | Mar 1, 2024 |
| RDNT | Executive VP and CFO | Gift | 900 | — | — | May 12, 2023 |
| RDNT | Executive VP and CFO | Gift | 375 | — | — | May 4, 2023 |
| 0001760173 | Award / Grant | 22,857 | — | — | Aug 15, 2022 | |
| 0001760173 | Award / Grant | 72,254 | — | — | May 7, 2021 | |
| 0001760173 | Award / Grant | 57,803 | — | — | May 7, 2021 | |
| 0001760173 | Purchase | 16,667 | $1.50 | $25,001 | Feb 1, 2021 | |
| 0001760173 | Award / Grant | 24,692 | — | — | Feb 26, 2020 | |
| RDNT | Executive VP and CFO | Award / Grant | 11,625 | — | — | Jan 6, 2020 |
| RDNT | Executive VP and CFO | Sale | 20,703 | $15.15 | $313,650 | Aug 15, 2019 |
| RDNT | Executive VP and CFO | Sale | 15,000 | $14.99 | $224,850 | Mar 18, 2019 |
| 0001100441 | Disposition | 66,784 | — | — | Mar 8, 2019 | |
| 0001760173 | Award / Grant | 66,784 | — | — | Mar 8, 2019 | |
| 0001100441 | Award / Grant | 21,322 | — | — | Feb 26, 2019 | |
| RDNT | Executive VP and CFO | Gift | 2,000 | — | — | Apr 11, 2018 |
| RDNT | Executive VP and CFO | Sale | 15,000 | $13.19 | $197,850 | Mar 20, 2018 |
| 0001100441 | Award / Grant | 17,647 | — | — | Feb 28, 2018 | |
| RDNT | Executive VP and CFO | Sale | 10,000 | $10.19 | $101,900 | Aug 30, 2017 |
| RDNT | Executive VP and CFO | Sale | 15,000 | $7.33 | $109,950 | May 24, 2017 |
| 0001100441 | Award / Grant | 16,484 | — | — | May 16, 2017 | |
| 0001100441 | Purchase | 5,000 | $4.57 | $22,850 | May 5, 2017 | |
| 0001100441 | Award / Grant | 6,331 | — | — | Mar 14, 2017 | |
| RDNT | Executive VP and CFO | Sale | 35,414 | $6.25 | $221,338 | Aug 12, 2016 |
| RDNT | Executive VP and CFO | Award / Grant | 35,703 | — | — | Jan 4, 2016 |
| RDNT | Executive VP and CFO | Sale | 19,187 | $6.18 | $118,576 | Dec 3, 2015 |
| RDNT | Executive VP and CFO | Sale | 50,000 | $6.86 | $343,000 | May 20, 2015 |
| RDNT | Executive VP and CFO | Option Exercise | 50,000 | — | — | Apr 15, 2015 |
| RDNT | Executive VP and CFO | Award / Grant | 25,025 | — | — | Jan 2, 2015 |
| RDNT | Executive VP and CFO | Sale | 75,000 | $6.47 | $485,250 | May 13, 2014 |
| RDNT | Executive VP and CFO | Tax Withholding | 61,350 | — | — | Apr 22, 2014 |
| RDNT | Executive VP and CFO | Award / Grant | 77,160 | — | — | Jan 2, 2014 |
| RDNT | Executive VP and CFO | Other | 2,250 | — | — | Jan 2, 2014 |
| RDNT | Executive VP and CFO | Award / Grant | 27,425 | — | — | Dec 17, 2013 |
| RDNT | Executive VP and CFO | Other | 18,669 | — | — | Dec 17, 2013 |
| STRRP | Purchase | 500 | $2.68 | $1,340 | Aug 29, 2013 | |
| RDNT | Executive VP and CFO | Sale | 55,300 | $2.41 | $133,273 | May 22, 2013 |
| RDNT | Executive VP and CFO | Award / Grant | 50,000 | — | — | Jan 2, 2013 |
| 0001009379 | Disposition | 37,232 | $11.25 | $418,860 | Dec 21, 2012 | |
| 0001009379 | Award / Grant | 9,069 | — | — | Jun 13, 2012 | |
| 0001009379 | Other | 25,020 | — | — | May 14, 2012 | |
| RDNT | Executive VP and CFO | Award / Grant | 75,000 | — | — | Jan 3, 2012 |
| 0001009379 | Award / Grant | 11,161 | — | — | Jun 14, 2011 | |
| RDNT | Executive VP and CFO | Tax Withholding | 63,265 | $4.90 | $309,999 | May 19, 2011 |
| 0001009379 | Award / Grant | 5,024 | — | — | Jul 19, 2010 | |
| 0001009379 | Award / Grant | 11,978 | — | — | Apr 26, 2010 |