RadNet, Inc. (RDNT) Insider Ownership

Historic Insider Ownership Trends

RadNet's three largest insider shareholders as of April 22, 2026 are Alma Gregory Sorensen (Chief Strategy Officer, 1.20Mn shares), Stephen M Forthuber (Pres Coo Eastern Operations, 551.27K shares), Howard G Berger (President, Ceo, 472.41K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Alma Gregory Sorensen Chief Strategy Officer 1,201,923 0 23 Mar, 2026
Stephen M Forthuber Pres Coo Eastern Operations 551,266 0 05 Mar, 2026
Howard G Berger President, Ceo 472,413 0 05 Mar, 2026
Norman R Hames Pres And Coo West Operations 261,228 22,989 05 Mar, 2026
Mital Patel Evp Of Fin Planning, Cao 200,175 0 05 Mar, 2026
David L Swartz - 176,766 0 11 Jun, 2025
Lawrence L Levitt - 164,956 0 28 Nov, 2025
Ranjan Jayanathan Chief Information Officer 138,198 0 21 Aug, 2025
David Jeffrey Katz Evp And Chief Legal Officer 90,866 0 05 Mar, 2026
Cornelis Wesdorp Pres Ceo, Digital Health 73,825 0 05 Mar, 2026
Michael N Murdock Evp, Mergers And Acquisitions 46,697 0 05 Mar, 2026
Laura Pastre Jacobs - 27,007 0 11 Jun, 2025
Norman R Hames Pres And Coo West Operations 0 24,889 12 Jun, 2024
Christine Nayoma Gordon - 10,879 0 11 Jun, 2024
Ruth Louisa Villigerwilson Senior Vice President Of Hr 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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