Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 78 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

78 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 16, 2025 RDNT S 35,000 $73.89 $2,586,150 68,012 Direct -33.98% Disposed -5.4% (price as of 2026-10-02)
June 10, 2024 RDNT S 25,000 $61.27 $1,531,750 80,398 Direct -23.72% Disposed 14.1% (price as of 2026-10-02)
Aug. 15, 2019 RDNT S 20,703 $15.15 $313,650 92,614 Direct -18.27% Disposed 361.6% (price as of 2026-10-02)
March 18, 2019 RDNT S 15,000 $14.99 $224,850 113,317 Direct -11.69% Disposed 366.5% (price as of 2026-10-02)
March 20, 2018 RDNT S 15,000 $13.19 $197,850 130,319 Direct -10.32% Disposed 430.2% (price as of 2026-10-02)
Aug. 30, 2017 RDNT S 10,000 $10.19 $101,900 145,319 Direct -6.44% Disposed 586.3% (price as of 2026-10-02)
May 24, 2017 RDNT S 15,000 $7.33 $109,950 155,319 Direct -8.81% Disposed 854.0% (price as of 2026-10-02)
Aug. 12, 2016 RDNT S 35,414 $6.25 $221,338 170,319 Direct -17.21% Disposed 1018.9% (price as of 2026-10-02)
Dec. 3, 2015 RDNT S 19,187 $6.18 $118,576 170,030 Direct -10.14% Disposed 1031.6% (price as of 2026-10-02)
May 20, 2015 RDNT S 50,000 $6.86 $343,000 189,217 Direct -20.90% Disposed 919.4% (price as of 2026-10-02)
May 13, 2014 RDNT S 75,000 $6.47 $485,250 266,387 Direct -21.97% Disposed 980.8% (price as of 2026-10-02)
Aug. 29, 2013 STRRP P 500 $2.68 $1,340 500 Direct · Acquired 246.5% (price as of 2026-10-02)
May 23, 2013 RDNT S 55,300 $2.41 $133,273 163,940 Direct -25.22% Disposed 2801.7% (price as of 2026-10-02)
May 22, 2013 RDNT S 19,700 $2.50 $49,250 219,240 Direct -8.24% Disposed 2697.2% (price as of 2026-10-02)
Sept. 21, 2009 RDNT S 22,200 $2.36 $52,392 77,205 Direct -22.33% Disposed 2863.1% (price as of 2026-10-02)
Sept. 18, 2009 RDNT S 49,402 $2.34 $115,601 127,803 Direct -27.88% Disposed 2888.5% (price as of 2026-10-02)
Sept. 18, 2009 RDNT S 7,914 $2.33 $18,440 119,889 Direct -6.19% Disposed 2901.3% (price as of 2026-10-02)
Sept. 18, 2009 RDNT S 20,484 $2.32 $47,523 99,405 Direct -17.09% Disposed 2914.2% (price as of 2026-10-02)
Sept. 17, 2009 RDNT S 1,500 $2.39 $3,585 177,205 Direct -0.84% Disposed 2825.9% (price as of 2026-10-02)
Sept. 17, 2009 RDNT S 67,715 $2.38 $161,162 178,705 Direct -27.48% Disposed 2838.2% (price as of 2026-10-02)
Sept. 16, 2009 RDNT S 30,785 $2.35 $72,345 246,420 Direct -11.11% Disposed 2875.7% (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Dec. 10, 2025 RDNT Employee Stock Option (right to buy) Common Stock (35,703) $6.07 Jan. 4, 2026 35,703 Disposed
June 3, 2024 CHRS Stock Option (Right to Buy) Common Stock (112,000) $1.76 June 3, 2034 112,000 Acquired
March 1, 2024 RDNT Employee Stock Option (right to buy) Common Stock (27,276) $18.64 Jan. 2, 2033 27,276 Acquired
Jan. 9, 2024 RDNT Restricted Stock Units Common Stock (14,558) · · 14,558 Acquired
June 7, 2023 CHRS Stock Option (Right to Buy) Common Stock (38,250) $5.38 June 7, 2033 38,250 Acquired
Feb. 28, 2023 RDNT Restricted Stock Units Common Stock (2,227) · · 2,227 Acquired
Feb. 28, 2023 RDNT Employee Stock Option (right to buy) Common Stock (4,854) $29.44 Jan. 3, 2032 4,854 Acquired
Jan. 3, 2023 RDNT Restricted Stock Units Common Stock (14,073) · · 14,073 Acquired
Jan. 3, 2023 RDNT Employee Stock Option (right to buy) Common Stock (27,276) $18.64 Jan. 2, 2033 27,276 Acquired
Jan. 7, 2022 CHRS Stock Option (Right to Buy) Common Stock (27,000) · Jan. 7, 2032 27,000 Acquired
Jan. 7, 2022 CHRS Stock Option (Right to Buy) Common Stock (27,000) $15.94 Jan. 7, 2032 27,000 Acquired
Jan. 4, 2022 RDNT Restricted Stock Units Common Stock (13,374) · · 13,374 Acquired
Jan. 4, 2022 RDNT Restricted Stock Units Common Stock (4,882) · · 4,882 Acquired
Jan. 4, 2022 RDNT Employee stock option (right to buy) Common Stock (29,140) $29.44 Jan. 3, 2032 29,140 Acquired
Jan. 4, 2022 RDNT Employee stock option (right to buy) Common Stock (10,635) $29.44 Jan. 3, 2032 10,635 Acquired
Sept. 21, 2021 RDNT Restricted Stock Units Common Stock (2,410) · · 2,410 Acquired
May 21, 2021 CHRS Stock Option (Right to Buy) Common Stock (20,000) $13.48 May 21, 2031 20,000 Acquired
Jan. 5, 2021 CHRS Stock Option (Right to Buy) Common Stock (40,000) $16.85 Jan. 5, 2031 40,000 Acquired
Jan. 4, 2021 RDNT Restricted Stock Units Common Stock (19,317) · · 19,317 Acquired
Jan. 6, 2020 RDNT Restricted Stock Units Common Stock (10,607) · · 10,607 Acquired
Jan. 6, 2020 RDNT Employee Stock Option (right to buy) Common Stock (11,625) $20.43 Jan. 6, 2030 11,625 Acquired
Jan. 6, 2020 RDNT Employee Stock Option (right to buy) Common Stock (11,625) $20.43 Jan. 6, 2030 11,625 Acquired
Jan. 7, 2019 RDNT Restricted Stock Units Common Stock (21,729) · · 21,729 Acquired
Jan. 7, 2019 RDNT Employee Stock Option (right to buy) Common Stock (21,729) $10.93 Jan. 7, 2029 21,729 Acquired
Jan. 7, 2019 RDNT Restricted Stock Units Common Stock (21,729) · · 21,729 Acquired
Jan. 7, 2019 RDNT Employee Stock Option (right to buy) Common Stock (21,729) $10.93 Jan. 6, 2029 21,729 Acquired
Jan. 2, 2018 RDNT Stock Options Common Stock (21,564) $10.05 Jan. 2, 2028 21,564 Acquired
Jan. 2, 2018 RDNT Restricted Stock Units Common Stock (21,564) · · 21,564 Acquired
Jan. 6, 2017 RDNT Stock Options Common Stock (34,399) $6.30 Jan. 6, 2027 34,399 Acquired
Jan. 6, 2017 RDNT Restricted Stock Units Common Stock (34,399) · · 34,399 Acquired
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

07

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

DateTickerSecuritySharesOwnership
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)

08

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

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
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.