RDNT's three largest insider shareholders as of March 23, 2026 are Alma Gregory Sorensen (Evp, Chief Science Officer, 1.18Mn shares), Stephen M Forthuber (Pres Coo Eastern Operations, 551.27K shares), Howard G Berger (President, Ceo, 472.41K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Alma Gregory Sorensen | Chief Strategy Officer | 1,201,923 | 0 | 23 Mar, 2026 |
| David L Swartz | 176,766 | 0 | 11 Jun, 2025 | |
| Mark Stolper | Evp, Chief Financial Officer | 121,943 | 0 | 05 Mar, 2026 |
| Cornelis Wesdorp | Pres Ceo, Digital Health | 73,825 | 0 | 05 Mar, 2026 |
| Ruth Louisa Villigerwilson | 9,884 | 0 | 06 Mar, 2023 | |
| Gregory E. Spurlock | 5,290 | 0 | 11 Jun, 2025 | |
| David L Swartz | 0 | 4,519 | 13 Aug, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 19 Mar, 2026 | Alma Gregory Sorensen | Common Stock | D | 9,554 | $61.84 | 1,214,369 | D | S |
| 19 Mar, 2026 | Alma Gregory Sorensen | Common Stock | D | 5,346 | $62.82 | 1,209,023 | D | S |
| 19 Mar, 2026 | Alma Gregory Sorensen | Common Stock | D | 100 | $63.59 | 1,208,923 | D | S |
| 19 Mar, 2026 | Alma Gregory Sorensen | Common Stock | D | 7,000 | $0.00 | 1,201,923 | D | G |
| 16 Mar, 2026 | Alma Gregory Sorensen | Common Stock | D | 5,919 | $61.72 | 1,238,923 | D | F |
| 18 Mar, 2026 | Alma Gregory Sorensen | Common Stock | D | 14,200 | $62.12 | 1,224,723 | D | S |
| 18 Mar, 2026 | Alma Gregory Sorensen | Common Stock | D | 800 | $62.72 | 1,223,923 | D | S |
| 10 Mar, 2026 | Alma Gregory Sorensen | Common Stock | A | 3,742 | $0.00 | 1,185,620 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Common Stock | A | 4,987 | $0.00 | 1,190,607 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Common Stock | A | 6,237 | $0.00 | 1,196,844 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Common Stock | A | 7,481 | $0.00 | 1,204,325 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Common Stock | A | 8,727 | $0.00 | 1,213,052 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Common Stock | A | 12,466 | $0.00 | 1,225,518 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Common Stock | A | 2,493 | $0.00 | 1,228,011 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Common Stock | A | 16,831 | $0.00 | 1,244,842 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Employee Stock Option (right to buy) | D | 3,742 | $0.00 | 0 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Employee Stock Option (right to buy) | D | 4,987 | $0.00 | 0 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Employee Stock Option (right to buy) | D | 6,237 | $0.00 | 0 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Employee Stock Option (right to buy) | D | 7,481 | $0.00 | 0 | D | M |
| 10 Mar, 2026 | Alma Gregory Sorensen | Employee Stock Option (right to buy) | D | 8,727 | $0.00 | 0 | D | M |