Mark Stolper

CIK 1281961 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 7, 2021 · Latest: Jan. 7, 2021

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 39 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

39 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 12, 2016 RDNT S 35,414 $6.25 $221,338 170,319 Direct -17.21% Disposed 1103.2% (price as of 2026-08-19)
Dec. 3, 2015 RDNT S 19,187 $6.18 $118,576 170,030 Direct -10.14% Disposed 1116.8% (price as of 2026-08-19)
May 20, 2015 RDNT S 50,000 $6.86 $343,000 189,217 Direct -20.90% Disposed 996.2% (price as of 2026-08-19)
May 13, 2014 RDNT S 75,000 $6.47 $485,250 266,387 Direct -21.97% Disposed 1062.3% (price as of 2026-08-19)
Aug. 29, 2013 STRRP P 500 $2.68 $1,340 500 Direct — Acquired 257.1% (price as of 2026-08-19)
May 23, 2013 RDNT S 55,300 $2.41 $133,273 163,940 Direct -25.22% Disposed 3020.3% (price as of 2026-08-19)
May 22, 2013 RDNT S 19,700 $2.50 $49,250 219,240 Direct -8.24% Disposed 2908.0% (price as of 2026-08-19)
Sept. 21, 2009 RDNT S 22,200 $2.36 $52,392 77,205 Direct -22.33% Disposed 3086.4% (price as of 2026-08-19)
Sept. 18, 2009 RDNT S 49,402 $2.34 $115,601 127,803 Direct -27.88% Disposed 3113.7% (price as of 2026-08-19)
Sept. 18, 2009 RDNT S 7,914 $2.33 $18,440 119,889 Direct -6.19% Disposed 3127.5% (price as of 2026-08-19)
Sept. 18, 2009 RDNT S 20,484 $2.32 $47,523 99,405 Direct -17.09% Disposed 3141.4% (price as of 2026-08-19)
Sept. 17, 2009 RDNT S 1,500 $2.39 $3,585 177,205 Direct -0.84% Disposed 3046.4% (price as of 2026-08-19)
Sept. 17, 2009 RDNT S 67,715 $2.38 $161,162 178,705 Direct -27.48% Disposed 3059.7% (price as of 2026-08-19)
Sept. 16, 2009 RDNT S 30,785 $2.35 $72,345 246,420 Direct -11.11% Disposed 3100.0% (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
Jan. 4, 2016 RDNT Stock Option Common Stock (35,703) $6.07 Jan. 4, 2026 35,703 Acquired
April 15, 2015 RDNT Common Stock Common Stock (37,500) $2.98 Jan. 7, 2016 37,500 Acquired
April 15, 2015 RDNT Common Stock Common Stock (50,000) $2.70 June 8, 2015 50,000 Acquired
April 22, 2014 RDNT Stock Option Common Stock (125,000) $2.40 June 15, 2014 125,000 Disposed
Dec. 17, 2013 RDNT Stock Option Common Stock (212,500) — — 0 Disposed
May 19, 2011 RDNT Stock Option Common Stock (100,000) $3.10 July 11, 2011 100,000 Acquired
Jan. 7, 2011 RDNT Stock Option Common Stock (75,000) $2.98 Jan. 7, 2016 75,000 Acquired
June 8, 2010 RDNT Stock Option Common Stock (100,000) $2.70 June 8, 2015 100,000 Acquired
July 28, 2009 RDNT Common Stock Warrants (right to buy) Common Stock (325,000) $0.60 July 30, 2009 325,000 Acquired
June 15, 2009 RDNT Stock Option Common Stock (250,000) $2.40 June 15, 2014 250,000 Acquired
Feb. 26, 2009 RDNT Warrant Common Stock (25,000) $1.20 March 1, 2009 25,000 Acquired
Oct. 28, 2008 RDNT Stock Option Common Stock (150,000) $3.24 Oct. 28, 2013 150,000 Acquired
July 11, 2006 RDNT Stock Purchase Warrant Common Stock (200,000) $1.55 July 11, 2011 200,000 Acquired
July 30, 2004 RDNT Stock Purchase Warrant Common Stock (650,000) $0.30 July 30, 2009 650,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Jan. 7, 2021 CHRS Common Stock 8,800 Indirect
Dec. 10, 2013 STRRP Common Stock 1,000 Direct
March 4, 2004 RDNT Common Stock, $.01 par value 8,800 Direct
March 4, 2004 RDNT Warrant→ Common Stock, $.01 par value (50,000) 50,000 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

RDNT

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $700,000 $350,000 $1,749,967 — — — $33,522 $2,833,489
2024 $700,000 $575,000 $574,982 — — — $33,157 $1,883,139
2023 $575,000 $287,500 $431,250 $575,000 — — $31,954 $1,900,704

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.