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RadNet stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions−3.7% to $76.00
RadNet (RDNT) stock fell 4% over the last 252 sessions, to $76.00. On the way it reported 4 quarters, its insiders filed 9 open-market trades, and the company filed 3 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Oct 26, 2026 | 8-K | Material definitive agreement | +4.9% (+4.3% vs SPY) | +4.3% (+6.0% vs SPY) | — |
| Aug 9, 2026 | Earnings | Earnings: beat the EPS estimate by 44.0% | +6.5% (+6.6% vs SPY) | +5.3% (+4.9% vs SPY) | −0.6% (+0.4% vs SPY) |
| Jun 18, 2026 | Insider sale | Swartz David L sold $145K | +1.7% (+0.7% vs SPY) | +12.8% (+13.4% vs SPY) | +13.9% (+13.5% vs SPY) |
| Jun 16, 2026 | Insider sale | Wesdorp Cornelis sold $276K | −1.0% (−0.4% vs SPY) | −1.5% (+1.1% vs SPY) | +9.9% (+10.2% vs SPY) |
| Jun 15, 2026 | Insider sale | Forthuber Stephen M sold $2.6M | +0.6% (−1.1% vs SPY) | −1.7% (−2.3% vs SPY) | +8.0% (+6.0% vs SPY) |
| Jun 10, 2026 | 8-K | Material definitive agreement | +0.1% (−1.6% vs SPY) | −9.6% (−11.7% vs SPY) | +8.5% (+5.1% vs SPY) |
| May 10, 2026 | Earnings | Earnings: missed the EPS estimate by -46.1% | −4.0% (−4.2% vs SPY) | −10.5% (−10.7% vs SPY) | −3.5% (−3.5% vs SPY) |
| Mar 19, 2026 | Insider sale | Sorensen Alma Gregory sold $933K | +1.0% (+1.3% vs SPY) | −2.2% (−1.7% vs SPY) | −2.6% (−10.0% vs SPY) |
| Mar 18, 2026 | Insider sale | Sorensen Alma Gregory sold $932K | −2.6% (−1.2% vs SPY) | −6.1% (−3.7% vs SPY) | −5.7% (−10.5% vs SPY) |
| Mar 2, 2026 | Earnings | Earnings: beat the EPS estimate by 12.6% | +7.5% (+7.4% vs SPY) | −14.0% (−12.0% vs SPY) | −22.5% (−14.6% vs SPY) |
| Jan 9, 2026 | 8-K | Directors and officers: departures, appointments, pay | −2.4% (−2.6% vs SPY) | −9.7% (−9.3% vs SPY) | −11.0% (−10.7% vs SPY) |
| Dec 5, 2025 | Insider sale | Forthuber Stephen M sold $3.5M | −3.1% (−3.3% vs SPY) | −3.0% (−3.7% vs SPY) | −4.7% (−6.1% vs SPY) |
| Nov 19, 2025 | Insider sale | Patel Mital sold $1.2M | +1.4% (+1.0% vs SPY) | +4.6% (+2.4% vs SPY) | −10.3% (−12.8% vs SPY) |
| Nov 18, 2025 | Insider sale | Patel Mital sold $794K | +2.7% (+3.5% vs SPY) | +9.2% (+8.8% vs SPY) | −7.8% (−8.7% vs SPY) |
| Nov 17, 2025 | Insider sale | Patel Mital sold $1.9M | +2.5% (+3.4% vs SPY) | +9.9% (+11.9% vs SPY) | −5.4% (−6.4% vs SPY) |
| Nov 9, 2025 | Earnings | Earnings: missed the EPS estimate by -11.8% | +3.2% (+1.6% vs SPY) | −4.1% (−4.3% vs SPY) | −3.2% (−5.0% vs SPY) |
Insiders’ record here
In the year on the chart, RadNet's insiders reported 0 open-market buys ($0) and 9 sales ($12.3M). Of the 9 old enough to score, 6 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale −15.9%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → RadNet: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.