Michael N Murdock
CIK 1316102 · EVP, Mergers and Acquisitions · last filed 2026-03-05
Michael N Murdock is an EVP, Mergers and Acquisitions who has filed 43 SEC Form 4 insider transactions across 2 companies since 2012. The most recent filing, for RDNT, was dated Mar 5, 2026. Across all open-market trades the lifetime net is −$5.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.6M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$2.65M
2
43
-$5.86M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| RDNT | EVP, Mergers and Acquisitions | 46,697 | $56.71 | $2.65M | -$4.83M | 30 | 2026-03-05 |
| RadNet, Inc. (ROIAK) Delisted | Executive Vice President | 226,728 | — | — | -$1.03M | 13 | 2017-02-03 |
Recent Filings
43 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-05 | RDNT | Grant (A) | +6,613 | $0 | EDGAR |
| 2025-11-17 | RDNT | Gift (G) | −3,000 | $0 | EDGAR |
| 2025-06-06 | RDNT | Sell (S) | −11,132 | -$646.2K | EDGAR |
| 2025-01-10 | RDNT | Grant (A) | +11,072 | $0 | EDGAR |
| 2024-12-03 | RDNT | Gift (G) | −5,000 | $0 | EDGAR |
| 2024-08-22 | RDNT | Sell (S) | −15,000 | -$941.7K | EDGAR |
| 2024-06-14 | RDNT | Sell (S) | −10,000 | -$625.1K | EDGAR |
| 2024-06-11 | RDNT | Gift (G) | −5,000 | $0 | EDGAR |
| 2024-01-10 | RDNT | Grant (A) | +9,711 | $0 | EDGAR |
| 2023-12-07 | RDNT | Sell (S) | −10,115 | -$354.2K | EDGAR |