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RDNT RadNet, Inc. Insider Trading

Latest: Chief Strategy Officer Sold $933K of Shares · Mar 2026
17 filings analyzed · Latest 2026-03-23
Insider buys
0
Insider sells
17
Unique insiders
8
Direction
Net selling
March 2026
2026-03-23
medium
Sorensen Alma Gregory Sell
Chief Strategy Officer
15,000 shares
$933,014
@ $62.20
Significance 5/10

RadNet CSO Sorensen sells 15,000 shares (15.0K) for $933.0K on 2026-03-19; stock down -11.9% in 30 days.

Chief Strategy Officer Alma Gregory Sorensen executed 3 separate sales totaling 15,000 shares for $933,014.08 at an average price of $62.20 on 2026-03-19, reducing her holdings by 1.2% to 1,201,923 shares. The stock has declined -11.9% over the 30 days following the transaction and is currently -26.9% from its 52-week high of $84.48. Her prior trades at RDNT show a 0 of 2 well-timed rate at the 90-day mark, with both prior measurable sales followed by positive returns (+21.5% and +20.3% respectively), and her cross-ticker sell history averaged -2.7% 30-day return and 0.00% 90-day well-timed rate. The company reported revenue growth of +11.5% and a net income of $5.4M on quarterly revenue of $522.9M, though full-year net income was negative. This filing reflects a substantial reduction in insider ownership during a period of stock weakness, warranting monitoring of whether this represents portfolio rebalancing by a senior strategic executive or signals broader concerns about near-term prospects.

2026-03-18
medium
Sorensen Alma Gregory Sell
Chief Strategy Officer
15,000 shares
$932,280
@ $62.15
Significance 5/10

CSO Alma Gregory Sorensen sold 15,000 shares at $62.15 avg; stock down 26.6% from 52-week high, prior RDNT sells underperformed.

Chief Strategy Officer Alma Gregory Sorensen executed 2 separate sales totaling 15,000 shares for $932,280.00 on 2026-03-18, reducing holdings by 1.2% to 1,223,923 shares. The blended average sale price of $62.15 came as the stock trades at $61.99, down 10.9% over 30 days and 26.6% from its 52-week high of $84.48. Notably, Sorensen's prior 2 sales at RDNT (2025-05-22 and 2025-05-23) both generated positive 90-day returns (+20.3% and +21.5% respectively), indicating the insider sold before subsequent rallies—a poor-timing pattern. The current sale arrives during a sustained downtrend, but the stock's extended weakness from its 52-week peak and the insider's cross-ticker track record (0.00% 90-day well-timed rate across all tickers, average 90d return +20.9% on prior sells) suggest this filing alone does not conclusively signal foresight into material deterioration.

December 2025
2025-12-09
medium
Forthuber Stephen M Sell
Pres & COO-Eastern Operations
45,088 shares
$3,531,849
@ $78.33
Significance 6/10

Pres & COO-Eastern Operations Forthuber sold 45,088 shares at blended avg $78.33 on 2025-12-05 for $3.5M; retains 529.2K shares.

Stephen M Forthuber, Pres & COO-Eastern Operations, executed 3 separate sales totaling 45,088 shares for $3,531,848.98 at prices ranging from $77.99 to $79.77 on 2025-12-05. Post-transaction, he holds 529,221 shares, a -7.9% reduction in his RadNet stake. The sales occurred near the 52-week high ($84.48), with the current price of $75.85 now 3.5% below his blended sale price of $78.33. His prior two sales at RadNet (2025-05-16 and 2024-06-12) showed mixed timing outcomes at the 90-day mark (+13.9% and -3.2% respectively), while his broader cross-ticker track record shows sells were poorly-timed with an average 90-day return of +5.4%, suggesting he typically sold ahead of gains. RadNet's valuation metrics remain extreme, with a P/E ratio of 1896.25 against $5.4M net income on $522.9M revenue, warranting investor attention to whether this sale reflects confidence in current valuations or portfolio rebalancing objectives.

November 2025
2025-11-19
medium
Patel Mital Sell
EVP of Fin Planning, CAO
50,000 shares
$3,902,254
@ $78.05
Significance 5/10

EVP Patel Mital sold 50,000 RDNT shares for $3,902,254 across 3 transactions at blended avg $78.05, reducing stake by 21.7%.

Patel Mital, EVP of Finance Planning and CAO, executed 3 separate sales totaling 50,000 shares for $3,902,254 (blended average $78.05) over three consecutive trading days (2025-11-17 through 2025-11-19). The sales reduced his holdings from 230,138 shares to 180,138 shares, a 21.7% reduction in his pre-transaction position. Current market price is $80.29, slightly above the blended sale price, and the stock has gained 2.4% over 30 days and 17.0% over 90 days. His prior sales at RDNT have not been well-timed: both his 2024 sales saw the stock gain 11.9% and 13.0% in the 90 days following the sales, respectively. The company reports a P/E of 2007.25 against recent quarterly revenue of $522,869,000 and net income of $5,417,000, reflecting tight profitability margins despite solid annual revenue growth of 13.2%.

September 2025
2025-09-18
medium
STOLPER MARK Sell
EVP, Chief Financial Officer
35,000 shares
$2,586,150
@ $73.89
Significance 5/10

CFO Mark Stolper sold 35,000 RDNT shares at $73.89 on 2025-09-16, reducing stake 34% to 68,012 shares

Mark Stolper, EVP and Chief Financial Officer, sold 35,000 shares of RadNet at $73.89, reducing his holdings by 34% from 103,012 to 68,012 shares. The sale occurred when the stock was trading 11.4% below its 52-week high of $86.38, though it has appreciated 12.7% over the preceding 30 days and 38.7% over 90 days. His prior sale at RDNT on 2024-06-10 saw the stock rise 1.9% over the subsequent 90 days, and across his broader cross-ticker trading history, sells have averaged a 1.9% 90-day return with a well-timed rate of 0.00%, suggesting his prior dispositions have not preceded declines. The company's fundamentals show quarterly revenue of $498,230,000.00 with net income of $14,454,000.00, though a P/E ratio of 1914.50 reflects minimal current earnings relative to market cap of $5,890,232,027.96.

2025-09-17
medium
Katz David Jeffrey Sell
EVP and Chief Legal Officer
14,000 shares
$1,042,160
@ $74.44
Significance 4/10

EVP & Chief Legal Officer David Katz sold 14,000 RDNT shares at $74.44; holdings fall to 68,181 shares (-17.0%)

David Jeffrey Katz, EVP and Chief Legal Officer at RadNet, sold 14,000 shares for $1,042,160.00 at $74.44 on 2025-09-16, reducing his holdings by 17.0% to 68,181 shares. His prior RDNT sales show mixed timing: two of three measurable 90-day outcomes were negative (-26.9% and -27.6%), indicating well-timed sells on those occasions, though his most recent RDNT sale on 2025-08-13 showed a +8.3% 30-day gain. Across his broader cross-ticker history, his 4 prior sells yielded an average 90-day return of -17.1% with a 66.67% well-timed rate. The current share price of $75.20 is 12.9% below the 52-week high of $86.38, but up 31.6% over 90 days and 13.4% over 30 days, placing this sale near a relative peak. RadNet shows solid fundamentals with $498.2M revenue and 13.2% annual revenue growth, though its P/E of 1880.00 reflects minimal recent net profitability relative to valuation. This sale does not appear forced or exceptional in volume, and comes after substantial recent price appreciation.

2025-09-12
low
HAMES NORMAN R Sell
Pres and COO-West Operations
10,000 shares
$727,400
@ $72.74
Significance 4/10

Pres and COO-West Operations Hames Norman R sold 10,000 shares at $72.74; post-transaction holdings 239,183 shares

Hames Norman R sold 10,000 shares (239.2K shares post-transaction) at $72.74 on 2025-09-10, representing a 4.0% reduction in holdings. The sale occurred near the 52-week trading range (current price $74.01 is -14.3% from the $86.38 peak). Looking at his prior five sales at RadNet, none were well-timed at the 90-day mark—all five prior sales saw positive 90-day returns (ranging from +12.4% to +19.0%), meaning the stock rose after each sale. This latest sale occurred against a backdrop of strong recent momentum (30-day +8.2%, 90-day +33.6%), which differs from the typical conditions of his prior RadNet exits. The company's elevated P/E of 1850.25 relative to net income of $14.5M and $498.2M quarterly revenue warrants attention for valuation context, though this single transaction alone provides limited directional insight into his view.

August 2025
2025-08-21
high
Jayanathan Ranjan Sell
Chief Information Officer
65,598 shares
$4,427,865
@ $67.50
Significance 6/10

RadNet CIO Jayanathan Ranjan sold 65.6K shares at $67.50 for $4.4M, reducing holdings by -32.2% to 138.2K shares.

Jayanathan Ranjan, Chief Information Officer, executed a substantial sale of 65,598 shares at $67.50 on 2025-08-19, reducing his equity stake by -32.2% from 203,796 shares to 138,198 shares. The sale occurred near the upper end of the 52-week range ($45.92–$86.38) and represents a meaningful reduction in his holdings. Notably, his prior sale at RDNT on 2024-11-19 exhibited well-timed execution at the 90-day mark, showing a -23.3% decline after that transaction—a pattern suggesting he has demonstrated ability to exit before downturns at this ticker. The current stock price of $68.61 sits -20.6% below the 52-week high and +20.1% above the 30-day prior level, placing this sale in a period of recent strength but below recent peaks.

2025-08-15
high
Katz David Jeffrey Sell
EVP and Chief Legal Officer
17,000 shares
$1,161,270
@ $68.31
Significance 6/10

EVP Katz sold 17,000 RDNT shares at $68.31; stock now $67.45; insider's 3 prior RDNT sells 67% well-timed at 90d.

David Jeffrey Katz, EVP and Chief Legal Officer, sold 17,000 shares at $68.31, reducing his holdings by 16.4% to 86.8K shares. His prior RDNT sales show a 67% well-timed rate at the 90-day mark (2 of 3 prior sells preceded price declines), suggesting a track record of selling ahead of downturns at this ticker. The current price of $67.45 sits 21.9% below the 52-week high of $86.38, where the stock stood when he sold. While the stock has gained 17.8% over the prior 30 days, his historical pattern of well-timed exits at RDNT warrants attention to whether this sale again precedes a reversal.

May 2025
2025-05-27
medium
Sorensen Alma Gregory Sell
EVP, Chief Science Officer
100,000 shares
$5,674,100
@ $56.74
Significance 6/10

EVP Chief Science Officer Sorensen sold 100,000 shares for $5,674,100 in two transactions at $57.06–$56.48; still holds 1,160,509 shares.

Sorensen Alma Gregory, EVP and Chief Science Officer, executed 2 separate sales totaling 100,000 shares for $5,674,100 at an blended average price of $56.74. She retains 1,160,509 shares post-transaction, representing a 7.9% reduction from pre-transaction holdings of 1,260,509 shares. The sale occurred near the 52-week range midpoint; RadNet stock is currently $56.68, close to the transaction prices executed on May 22–23. The company reported $-37,926,000 net loss in the latest quarter against $471,399,000 revenue, with a P/E ratio of 1417.00 reflecting negative earnings. The stock is -34.4% from its 52-week high of $86.38 but has risen 12.8% over the past 30 days, suggesting recent momentum recovery. This sale by a senior scientific officer at a company in negative profitability territory warrants investor attention to the underlying business fundamentals and competitive positioning.

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