RDNT Insider Trading
RadNet, Inc. | Services-Medical Laboratories
Comprehensive Trading Performance Summary
The investment history of corporate insiders at RadNet, Inc. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Services-Medical Laboratories sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-03-23 20:15 | 2026-03-19 | Sorensen Alma Gregory | Director, Officer - Chief Strategy Officer | SELL | $62.20 | 15,000 | $933,014 | 1,208,923 | -1.2% |
| 2026-03-18 23:38 | 2026-03-18 | Sorensen Alma Gregory | Director, Officer - Chief Strategy Officer | SELL | $62.15 | 15,000 | $932,280 | 1,223,923 | -1.2% |
| 2025-12-10 00:15 | 2025-12-05 | Forthuber Stephen M | Officer - Pres & COO-Eastern Operations | SELL | $78.33 | 45,088 | $3,531,847 | 529,221 | -7.9% |
| 2025-11-20 02:10 | 2025-11-17 | Patel Mital | Officer - EVP of Fin Planning, CAO | SELL | $78.05 | 50,000 | $3,902,255 | 180,138 | -21.7% |
| 2025-09-19 00:29 | 2025-09-16 | STOLPER MARK | Officer - EVP, Chief Financial Officer | SELL | $73.89 | 35,000 | $2,586,150 | 68,012 | -34.0% |
| 2025-09-17 23:15 | 2025-09-16 | Katz David Jeffrey | Officer - EVP and Chief Legal Officer | SELL | $74.44 | 14,000 | $1,042,160 | 68,181 | -17.0% |
| 2025-09-15 14:00 | 2025-09-11 | Wesdorp Cornelis | Officer - Pres & CEO, Digital Health | SELL | $72.13 | 500 | $36,065 | 53,495 | -0.9% |
| 2025-09-13 00:10 | 2025-09-10 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $72.74 | 10,000 | $727,400 | 239,183 | -4.0% |
| 2025-09-10 23:27 | 2025-09-09 | Wesdorp Cornelis | Officer - Pres & CEO, Digital Health | SELL | $71.99 | 500 | $35,995 | 53,995 | -0.9% |
| 2025-08-30 02:09 | 2025-08-27 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $71.10 | 5,000 | $355,500 | 19,889 | -20.1% |
| 2025-08-21 23:15 | 2025-08-19 | Wesdorp Cornelis | Officer - Pres & CEO, Digital Health | SELL | $66.98 | 1,500 | $100,470 | 54,495 | -2.7% |
| 2025-08-21 23:15 | 2025-08-19 | Jayanathan Ranjan | Officer - Chief Information Officer | SELL | $67.50 | 65,598 | $4,427,865 | 138,198 | -32.2% |
| 2025-08-15 15:00 | 2025-08-13 | Katz David Jeffrey | Officer - EVP and Chief Legal Officer | SELL | $68.31 | 17,000 | $1,161,270 | 86,774 | -16.4% |
| 2025-06-06 23:15 | 2025-06-05 | Murdock Michael N | Officer - EVP, Mergers and Acquisitions | SELL | $58.05 | 11,132 | $646,213 | 43,084 | -20.5% |
| 2025-05-27 23:15 | 2025-05-22 | Sorensen Alma Gregory | Director, Officer - EVP, Chief Science Officer | SELL | $56.74 | 100,000 | $5,674,100 | 1,160,509 | -7.9% |
| 2025-05-20 23:15 | 2025-05-16 | Forthuber Stephen M | Officer - Pres & COO-Eastern Operations | OPT+S | $60.34 | 18,820 | $1,135,599 | 535,182 | 0.0% |
| 2025-05-20 23:15 | 2025-05-16 | Levitt Lawrence L | Director | SELL | $61.09 | 5,000 | $305,450 | 164,957 | -2.9% |
| 2025-05-16 03:43 | 2025-05-15 | HAMES NORMAN R | Officer - Pres and COO-West Operations | OPT+S | $60.00 | 8,447 | $506,820 | 24,889 | 0.0% |
| 2025-03-20 03:49 | 2025-03-17 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $49.42 | 15,000 | $741,300 | 251,959 | -5.6% |
| 2025-03-12 04:31 | 2025-03-07 | SWARTZ DAVID L | Director | SELL | $50.84 | 25,000 | $1,271,000 | 174,067 | -12.6% |
| 2025-03-08 03:18 | 2025-03-05 | Wesdorp Cornelis | Officer - Pres & CEO, Digital Health | SELL | $51.63 | 5,000 | $258,140 | 55,995 | -8.2% |
| 2024-11-28 01:00 | 2024-11-25 | Katz David Jeffrey | Officer - EVP and Chief Legal Officer | SELL | $81.65 | 12,300 | $1,004,252 | 62,909 | -16.4% |
| 2024-11-22 01:00 | 2024-11-19 | Jayanathan Ranjan | Officer - Chief Information Officer | SELL | $80.00 | 38,557 | $3,084,560 | 192,724 | -16.7% |
| 2024-08-23 00:12 | 2024-08-21 | Murdock Michael N | Officer - EVP, Mergers and Acquisitions | SELL | $62.78 | 15,000 | $941,702 | 48,144 | -23.8% |
| 2024-06-21 00:00 | 2024-06-17 | Patel Mital | Officer - EVP, Chief Admin Officer | SELL | $59.26 | 40,000 | $2,370,200 | 202,146 | -16.5% |
| 2024-06-19 01:23 | 2024-06-17 | SPURLOCK GREGORY E. | Director | SELL | $59.75 | 14,334 | $856,457 | 2,591 | -84.7% |
| 2024-06-15 00:00 | 2024-06-14 | Levitt Lawrence L | Director | SELL | $57.77 | 4,000 | $231,080 | 172,657 | -2.3% |
| 2024-06-15 00:00 | 2024-06-12 | Murdock Michael N | Officer - EVP, Mergers and Acquisitions | SELL | $62.51 | 10,000 | $625,100 | 63,144 | -13.7% |
| 2024-06-14 00:30 | 2024-06-11 | Sorensen Alma Gregory | Director, Officer - EVP, Chief Science Officer | SELL | $61.97 | 15,000 | $929,600 | 1,239,205 | -1.2% |
| 2024-06-14 00:30 | 2024-06-12 | Forthuber Stephen M | Officer - Pres & COO-Eastern Operations | SELL | $62.33 | 40,000 | $2,493,200 | 523,561 | -7.1% |
| 2024-06-13 00:33 | 2024-06-10 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $61.75 | 73,597 | $4,544,799 | 24,889 | -74.7% |
| 2024-06-13 00:35 | 2024-06-10 | Levitt Lawrence L | Director | SELL | $60.85 | 16,000 | $973,600 | 174,066 | -8.4% |
| 2024-06-13 00:36 | 2024-06-10 | SWARTZ DAVID L | Director | SELL | $60.75 | 25,000 | $1,518,843 | 196,476 | -11.3% |
| 2024-06-13 00:36 | 2024-06-10 | STOLPER MARK | Officer - EVP, Chief Financial Officer | SELL | $61.27 | 25,000 | $1,531,750 | 80,398 | -23.7% |
| 2024-06-12 00:00 | 2024-06-07 | Gordon Christine Nayoma | Director | SELL | $61.21 | 4,500 | $275,445 | 10,879 | -29.3% |
| 2024-06-12 00:00 | 2024-06-07 | Katz David Jeffrey | Officer - EVP and Chief Legal Officer | SELL | $61.26 | 16,400 | $1,004,664 | 65,441 | -20.0% |
| 2023-12-08 00:05 | 2023-12-05 | Murdock Michael N | Officer - EVP & Chief Development Offcr | SELL | $35.02 | 10,115 | $354,227 | 68,432 | -12.9% |
| 2023-11-29 00:02 | 2023-11-27 | Gordon Christine Nayoma | Director | SELL | $32.40 | 3,000 | $97,200 | 10,385 | -22.4% |
| 2023-06-08 23:56 | 2023-06-06 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $31.05 | 45,000 | $1,397,201 | 278,485 | -13.9% |
| 2023-06-07 00:25 | 2023-06-02 | HAMES NORMAN R | Officer - Pres and COO-West Operations | OPT+S | $30.13 | 10,000 | $301,300 | 323,485 | 0.0% |
| 2023-05-25 23:29 | 2023-05-23 | Gordon Christine Nayoma | Director | SELL | $28.34 | 4,884 | $138,413 | 13,385 | -26.7% |
| 2023-03-17 23:56 | 2023-03-16 | Forthuber Stephen M | Officer - Pres & COO-Eastern Operations | SELL | $23.02 | 10,000 | $230,168 | 528,091 | -1.9% |
| 2023-03-07 01:08 | 2023-03-03 | Villigerwilson Ruth Louisa | Director | SELL | $24.94 | 17,776 | $443,248 | 9,884 | -64.3% |
| 2022-12-21 02:23 | 2022-12-19 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $19.45 | 5,000 | $97,225 | 275,179 | -1.8% |
| 2022-12-21 02:25 | 2022-12-19 | Gordon Christine Nayoma | Director | SELL | $19.57 | 3,000 | $58,695 | 9,497 | -24.0% |
| 2022-06-03 00:56 | 2022-06-01 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $20.53 | 10,000 | $205,310 | 280,179 | -3.4% |
| 2022-06-03 00:57 | 2022-05-31 | Gordon Christine Nayoma | Director | SELL | $20.57 | 2,900 | $59,640 | 12,497 | -18.8% |
| 2022-05-25 21:08 | 2022-05-24 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $19.13 | 10,000 | $191,250 | 290,179 | -3.3% |
| 2021-12-17 02:59 | 2021-12-15 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $26.81 | 10,000 | $268,060 | 279,375 | -3.5% |
| 2021-12-15 00:48 | 2021-12-10 | HAMES NORMAN R | Officer - Pres and COO-West Operations | SELL | $27.18 | 10,000 | $271,800 | 289,375 | -3.3% |
How to Interpret $RDNT Trades
Not every insider transaction in RadNet, Inc. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $RDNT shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for RDNT
Insider activity data for RadNet, Inc. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $RDNT, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.