RadNet, Inc.
RDNT- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0000790526
No open-market purchases or sales by RadNet, Inc. insiders were filed in the last 90 days; 328 institutions reported holding it in 13F filings for Q2 2026, worth $5.03B in total; Soros Fund Management is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by RadNet, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for RadNet, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Swartz David L | Director | 177,013 | Jun 22, 2026 | 2 |
| Berger Howard G | President, CEO | 19,910Indirect | Jun 18, 2026 | 4 |
| Wesdorp Cornelis | Pres & CEO, Digital Health | 69,075 | Jun 18, 2026 | 2 |
| Forthuber Stephen M | Pres & CEO-Eastern Operations | 507,199 | Jun 16, 2026 | 4 |
| Levitt Lawrence L | Director | 167,902 | Jun 3, 2026 | 2 |
| Spurlock Gregory E. | Director | 8,236 | Jun 3, 2026 | 1 |
| Jacobs Laura Pastre | Director | 29,953 | Jun 3, 2026 | 1 |
| Sorenson Alma Gregory | Chief Strategy Officer | 1,201,923 | Mar 23, 2026 | 4 |
| Hames Norman R | Pres and COO-West Operations | 22,989Indirect | Mar 5, 2026 | 1 |
| Stolper Mark | EVP, Chief Financial Officer | 121,943 | Mar 5, 2026 | 2 |
| Murdock Michael N | EVP, Mergers and Acquisitions | 46,697 | Mar 5, 2026 | 2 |
| Patel Mital | EVP of Fin Planning, CAO | 200,175 | Mar 5, 2026 | 3 |
| Katz David Jeffrey | EVP and Chief Legal Officer | 90,866 | Mar 5, 2026 | 2 |
| Jayanathan Ranjan | Chief Information Officer | 138,198 | Aug 21, 2025 | 0 |
| Gordon Christine Nayoma | Director | 10,879 | Jun 11, 2024 | 0 |
| Villigerwilson Ruth Louisa | Director | 9,884 | Mar 6, 2023 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 15, 2025 (view filing) | Sep 11 | 4 days | Wesdorp CornelisPres & CEO, Digital Health | SSale | −500 | $72.13 | −$36.1K | −0.9%53.5K after | |
| Sep 17, 2025 (view filing) | Sep 16 | 1 day | Katz David JeffreyEVP and Chief Legal Officer | SSale | −14.0K | $74.44 | −$1.04M | −17.0%68.2K after | |
| Sep 18, 2025 (view filing) | Sep 16 | 2 days | Stolper MarkEVP, Chief Financial Officer | SSale | −35.0K | $73.89 | −$2.59M | −34.0%68.0K after | |
| Nov 19, 2025 (view filing) | Nov 17-19 | 2 days | Patel MitalEVP of Fin Planning, CAO | SSale | −50.0K | $78.05 | −$3.90M | −21.7%180.1K after | 3 lots |
| Dec 9, 2025 (view filing) | Dec 5 | 4 days | Forthuber Stephen MPres & COO-Eastern Operations | SSale | −45.1K | $78.33 | −$3.53M | −7.9%529.2K after | 3 lots |
| Mar 18, 2026 (view filing) | Mar 18 | Same day | Sorenson Alma GregoryChief Strategy Officer | SSale | −15.0K | $62.15 | −$932.3K | −1.2%1.22M after | 2 lots |
| Mar 23, 2026 (view filing) | Mar 19 | 4 days | Sorenson Alma GregoryChief Strategy Officer | SSale | −15.0K | $62.20 | −$933.0K | −1.2%1.21M after | 3 lots |
| Jun 16, 2026 (view filing) | Jun 15 | 1 day | Forthuber Stephen MPres & CEO-Eastern Operations | SSale | −44.1K | $58.16 | −$2.56M | −8.0%507.2K after | 2 lots |
| Jun 18, 2026 (view filing) | Jun 16 | 2 days | Wesdorp CornelisPres & CEO, Digital Health | SSale | −4.75K | $58.11 | −$276.0K | −6.4%69.1K after | |
| Jun 22, 2026 (view filing) | Jun 18 | 4 days | Swartz David LDirector | SSale | −2.70K | $53.89 | −$145.4K | −1.5%177.0K after |