Michael N. Murdock is President & VP at RadNet, Inc. (RDNT). They have made 17 open-market trades across 1 company since 2014, most recently 2026-03-03.
CIK 0001316102
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 17 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| RDNT | 46,697 | $3.2M |
Shares reported on the most recent Form 4, priced at the 2026-03-05 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| RDNT | SELL | 2025-06-05 | 2025-06-06 | $58.05 | $1.3M | -3.9% | -7.1% | +21.6% |
| RDNT | SELL | 2024-08-21 | 2024-08-22 | $62.78 | $1.9M | -1.3% | +12.0% | +29.4% |
| RDNT | SELL | 2024-06-12 | 2024-06-14 | $62.51 | $625K | +0.9% | +7.4% | +15.2% |
| RDNT | SELL | 2023-12-05 | 2023-12-07 | $35.02 | $708K | -3.0% | -0.8% | +32.3% |
| RDNT | SELL | 2021-05-27 | 2021-06-01 | $26.88 | $986K | +17.1% | +28.8% | +14.8% |
| RDNT | SELL | 2019-06-13 | 2019-06-14 | $13.23 | $573K | +0.9% | +10.5% | +14.0% |
| RDNT | SELL | 2018-03-14 | 2018-03-14 | $13.06 | $1.0M | +7.9% | +11.5% | +5.1% |
| RDNT | SELL | 2017-06-05 | 2017-06-06 | $7.37 | $248K | +2.0% | +1.3% | +38.9% |
| RDNT | SELL | 2017-06-05 | 2017-06-06 | $7.37 | $518K | +2.0% | +1.3% | +38.9% |
| RDNT | SELL | 2017-05-24 | 2017-05-25 | $7.45 | $81K | +5.6% | +7.0% | +31.5% |
| RDNT | SELL | 2017-05-23 | 2017-05-24 | $7.46 | $563K | +0.7% | +4.1% | +33.4% |
| RDNT | SELL | 2017-05-22 | 2017-05-23 | $7.61 | $79K | +0.7% | +2.0% | +17.0% |
| RDNT | SELL | 2015-12-16 | 2015-12-16 | $6.12 | $446K | -10.6% | -10.6% | -13.1% |
| RDNT | SELL | 2015-12-11 | 2015-12-11 | $6.60 | $5K | -10.6% | -3.3% | -3.1% |
| RDNT | SELL | 2015-12-10 | 2015-12-10 | $6.22 | $156K | -10.6% | -3.3% | +1.2% |
| RDNT | SELL | 2014-12-05 | 2014-12-05 | $8.35 | $115K | -10.6% | +0.3% | +0.3% |
| RDNT | SELL | 2014-12-04 | 2014-12-05 | $8.25 | $306K | -10.6% | +0.3% | +0.3% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.