Michael N Murdock
CIK 1316102 · View on SEC EDGAR ↗
First SEC filing: Jan. 11, 2011 · Latest: Jan. 11, 2011
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 16, 2015 | RDNT | S | 500 | $6.18 | $3,090 | 176,728 Direct | -0.28% | Disposed | 1116.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 16,702 | $6.17 | $103,051 | 177,228 Direct | -8.61% | Disposed | 1118.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 6,700 | $6.16 | $41,272 | 193,930 Direct | -3.34% | Disposed | 1120.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 4,600 | $6.15 | $28,290 | 200,630 Direct | -2.24% | Disposed | 1122.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 2,530 | $6.14 | $15,534 | 205,230 Direct | -1.22% | Disposed | 1124.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 3,200 | $6.13 | $19,616 | 207,760 Direct | -1.52% | Disposed | 1126.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 12,129 | $6.12 | $74,229 | 210,960 Direct | -5.44% | Disposed | 1128.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 1,400 | $6.11 | $8,554 | 223,089 Direct | -0.62% | Disposed | 1130.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 9,600 | $6.10 | $58,560 | 224,489 Direct | -4.10% | Disposed | 1132.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 1,300 | $6.09 | $7,917 | 234,089 Direct | -0.55% | Disposed | 1134.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 961 | $6.08 | $5,843 | 235,389 Direct | -0.41% | Disposed | 1136.8% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 1,039 | $6.07 | $6,307 | 236,350 Direct | -0.44% | Disposed | 1138.9% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 1,100 | $6.06 | $6,666 | 237,389 Direct | -0.46% | Disposed | 1140.9% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 700 | $6.05 | $4,235 | 238,489 Direct | -0.29% | Disposed | 1143.0% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 10,300 | $6.04 | $62,212 | 239,189 Direct | -4.13% | Disposed | 1145.0% (price as of 2026-08-19) |
| Dec. 16, 2015 | RDNT | S | 100 | $6.02 | $602 | 249,489 Direct | -0.04% | Disposed | 1149.2% (price as of 2026-08-19) |
| Dec. 11, 2015 | RDNT | S | 771 | $6.60 | $5,089 | 249,589 Direct | -0.31% | Disposed | 1039.4% (price as of 2026-08-19) |
| Dec. 10, 2015 | RDNT | S | 25,000 | $6.22 | $155,500 | 250,360 Direct | -9.08% | Disposed | 1109.0% (price as of 2026-08-19) |
| Dec. 5, 2014 | RDNT | S | 13,800 | $8.35 | $115,230 | 151,728 Direct | -8.34% | Disposed | 800.6% (price as of 2026-08-19) |
| Dec. 4, 2014 | RDNT | S | 37,039 | $8.25 | $305,572 | 165,528 Direct | -18.28% | Disposed | 811.5% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 14, 2015 | RDNT | Stock Option | Common Stock (50,000) | $2.98 | Jan. 7, 2016 | 50,000 | Disposed |
| March 30, 2015 | RDNT | Stock Option | Common Stock (100,000) | $2.70 | June 8, 2015 | 100,000 | Disposed |
| June 9, 2014 | RDNT | Stock Option | Common Stock (75,000) | $2.40 | June 15, 2014 | 75,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 11, 2011 | RDNT | Options→ Common Stock, $.0001 par value (50,000) | 50,000 | Direct |