RadNet, Inc. (RDNT)
$74.61-$0.75 (-1.00%) Today
RadNet Inc is a national provider of diagnostic imaging services that operates in two business segments: Imaging Center segment and Digital Health segment. The Imaging Center segment provides physicians with imaging capabilities to facilitate the diagnosis and treatment of diseases and disorders. Services include magnetic resonance imaging (MRI), computed tomography (CT), positron emission tomography (PET), nuclear medicine, mammography, ultrasound, diagnostic radiology (X-ray), and fluoroscopy. The Digital Health segment develops and deploys clinical applications to enhance the interpretation of medical images and improve patient outcomes with an emphasis on brain, breast, prostate, and pulmonary diagnostic.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 51,516 | $2.98M |
| Grant or award | 4 | 11,784 | |
| Bona-fide gift | 1 | 90 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
48 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| David L. Swartz - Director | Open-market sale | Common Stock | 2,699 | $53.89 | $145K | |
| Cornelis Wesdorp - Officer | Open-market sale | Common Stock | 4,750 | $58.11 | $276K | |
| Howard G. Berger - Officer | Gift | Common Stock | 90 | $0.00 | - | |
| Stephen M. Forthuber - Officer | Open-market sale | Common Stock | 24,214 | $57.79 | $1.40M | |
| Stephen M. Forthuber - Officer | Open-market sale | Common Stock | 19,853 | $58.61 | $1.16M | |
| David L. Swartz - Director | Grant or award | Common Stock | 2,946 | $0.00 | - | |
| Gregory E. Spurlock - Director | Grant or award | Common Stock | 2,946 | $0.00 | - | |
| Laura Pastre Jacobs - Director | Grant or award | Common Stock | 2,946 | $0.00 | - | |
| Lawrence L. Levitt - Director | Grant or award | Common Stock | 2,946 | $0.00 | - | |
| Howard G. Berger - Officer | Option exercise | Common Stock | 25,992 | $18.64 | $484K | |
| Howard G. Berger - Officer | Option exercise | Stock Option (right to buy) | 25,992 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Open-market sale | Common Stock | 100 | $63.59 | $6K | |
| Alma Gregory Sorensen - Officer | Open-market sale | Common Stock | 9,554 | $61.84 | $591K | |
| Alma Gregory Sorensen - Officer | Open-market sale | Common Stock | 5,346 | $62.82 | $336K | |
| Alma Gregory Sorensen - Officer | Gift | Common Stock | 7,000 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Tax withholding / forfeiture | Common Stock | 5,919 | $61.72 | $365K | |
| Alma Gregory Sorensen - Officer | Open-market sale | Common Stock | 14,200 | $62.12 | $882K | |
| Alma Gregory Sorensen - Officer | Open-market sale | Common Stock | 800 | $62.72 | $50K | |
| Alma Gregory Sorensen - Officer | Option exercise | Common Stock | 3,742 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Common Stock | 8,727 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Common Stock | 12,466 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Common Stock | 2,493 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Common Stock | 16,831 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Employee Stock Option (right to buy) | 3,742 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Employee Stock Option (right to buy) | 4,987 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Employee Stock Option (right to buy) | 6,237 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Employee Stock Option (right to buy) | 7,481 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Employee Stock Option (right to buy) | 8,727 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Employee Stock Option (right to buy) | 12,466 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Employee Stock Option (right to buy) | 2,493 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Employee Stock Option (right to buy) | 16,831 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Common Stock | 4,987 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Common Stock | 6,237 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Option exercise | Common Stock | 7,481 | $0.00 | - | |
| Mital Patel - Officer | Grant or award | Common Stock | 20,667 | $0.00 | - | |
 David Jeffrey Katz - Officer | Grant or award | Common Stock | 19,289 | $0.00 | - | |
| Cornelis Wesdorp - Officer | Grant or award | Common Stock | 20,330 | $0.00 | - | |
 Mark Stolper - Officer | Grant or award | Common Stock | 18,228 | $0.00 | - | |
| Stephen M. Forthuber - Officer | Grant or award | Common Stock | 22,045 | $0.00 | - | |
| Norman R. Hames - Officer | Grant or award | Common Stock | 22,045 | $0.00 | - | |
| Norman R. Hames - Officer | Grant or award | Common Stock | 3,100 | $0.00 | - | |
| Howard G. Berger - Officer | Grant or award | Common Stock | 124,001 | $0.00 | - | |
| Michael N. Murdock - Officer | Grant or award | Common Stock | 6,613 | $0.00 | - | |
| Alma Gregory Sorensen - Officer | Grant or award | Common Stock | 16,533 | $0.00 | - | |
| Mark Stolper - Officer | Option exercise | Common Stock | 35,703 | $6.07 | $217K | |
| Mark Stolper - Officer | Option exercise | Employee Stock Option (right to buy) | 35,703 | $0.00 | - | |
| David Jeffrey Katz - Officer | Option exercise | Common Stock | 3,396 | $29.44 | $100K | |
| David Jeffrey Katz - Officer | Option exercise | Employee Stock Option (right to buy) | 3,396 | $0.00 | - | |
| Stephen M. Forthuber - Officer | Open-market sale | Common Stock | 31,790 | $77.99 | $2.48M | |
| Stephen M. Forthuber - Officer | Open-market sale | Common Stock | 11,598 | $79.06 | $917K | |
| Stephen M. Forthuber - Officer | Open-market sale | Common Stock | 1,700 | $79.77 | $136K | |
| Mital Patel - Officer | Gift | Common Stock | 630 | $0.00 | - | |
| Stephen M. Forthuber - Officer | Option exercise | Common Stock | 39,127 | $6.07 | $238K | |
| Stephen M. Forthuber - Officer | Option exercise | Employee Stock Option (right to buy) | 39,127 | $0.00 | - | |
| Lawrence L. Levitt - Director | Gift | Common Stock | 2,700 | $0.00 | - | |
| Howard G. Berger - Officer | Option exercise | Stock Option (right to buy) | 25,992 | $0.00 | - | |
| Howard G. Berger - Officer | Option exercise | Common Stock | 103,969 | $18.64 | $1.94M | |
| Howard G. Berger - Officer | Option exercise | Common Stock | 25,992 | $18.64 | $484K | |
| Howard G. Berger - Officer | Option exercise | Stock Option (right to buy) | 103,969 | $0.00 | - | |
| Mital Patel - Officer | Open-market sale | Common Stock | 15,080 | $80.05 | $1.21M | |
| Mital Patel - Officer | Open-market sale | Common Stock | 25,000 | $76.06 | $1.90M | |
| Mital Patel - Officer | Open-market sale | Common Stock | 9,920 | $80.00 | $794K | |
| Michael N. Murdock - Officer | Gift | Common Stock | 3,000 | $0.00 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
RadNet, Inc. (RDNT) had 8 insider filings in the last 90 days, with the most recent on 2026-06-22. The full record for RDNT runs to 48 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of RDNT were filed in the last 90 days.
4 insider sales of RDNT were filed in the last 90 days, totaling $2.98M.
This page tracks RDNT Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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