Rodney S Markin

CIK 1393415 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 21, 2014 · Latest: Feb. 21, 2014

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 27 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

27 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 14, 2020 CRDF P 20,979 $1.43 $30,000 28,160 Indirect +292.15% Acquired -36.4% (price as of 2026-08-21)
June 20, 2018 CRDF P 41,200 $0.85 $35,020 43,085 Direct +2185.68% Acquired -82.2% (price as of 2026-08-21)
June 20, 2018 CRDF P 41,200 $0.85 $35,020 63,810 Direct +182.22% Acquired -82.2% (price as of 2026-08-21)

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
June 11, 2026 CRDF Stock Options Common Stock (40,565) $1.59 June 11, 2036 40,565 Acquired
June 17, 2020 CRDF Stock Options Common Stock (28,858) $2.60 June 17, 2030 28,858 Acquired
June 20, 2019 CRDF Stock Options Common Stock (44,734) $2.48 June 20, 2029 44,734 Acquired
Jan. 23, 2018 CRDF Stock Options Common Stock (54,322) $0.30 Jan. 23, 2028 54,322 Acquired
Jan. 2, 2018 CRDF Restricted Stock Units Common Stock (16,667) — — 16,667 Disposed
Oct. 4, 2017 CRDF Stock Options Common Stock (38,106) $0.72 Oct. 4, 2027 38,106 Acquired
Sept. 2, 2017 CRDF Restricted Stock Units Common Stock (5,943) — — 5,943 Disposed
Jan. 2, 2017 CRDF Restricted Stock Units Common Stock (5,943) — — 5,943 Acquired
Jan. 2, 2017 CRDF Restricted Stock Units Common Stock (16,667) — — 16,667 Acquired
Jan. 2, 2017 CRDF Restricted Stock Units Common Stock (16,667) — — 16,667 Acquired
Jan. 4, 2016 CRDF Stock Options Common Stock (16,000) $5.18 Jan. 4, 2026 16,000 Acquired
March 17, 2015 CRDF Stock Options Common Stock (16,000) $7.18 March 17, 2025 16,000 Acquired
Dec. 11, 2014 CRDF Stock Options Common Stock (15,667) $4.39 Dec. 11, 2024 15,667 Acquired
Feb. 25, 2014 CRDF Stock Options Common Stock (12,230) $6.22 Feb. 25, 2024 12,230 Acquired
Feb. 18, 2014 PRPO Purchase Option Common Stock [F1] (3,000) $5.54 Feb. 17, 2024 3,000 Acquired
Feb. 26, 2013 PRPO Purchase Option Common Stock [F1] (25,000) $0.43 Feb. 25, 2023 25,000 Acquired
Feb. 15, 2012 PRPO Purchase Option Common Stock [F1] (25,000) $1.45 Feb. 14, 2022 25,000 Acquired
Feb. 15, 2012 PRPO Purchase Option Common Stock [F1] (25,000) $1.45 Feb. 14, 2022 25,000 Acquired
March 2, 2011 PRPO Purchase Option Common Stock [F1] (25,000) $0.74 March 1, 2021 25,000 Acquired
June 7, 2010 PRPO Purchase Option Common Stock [F1] (5,000) $0.58 June 6, 2020 5,000 Acquired
May 20, 2009 PRPO Purchase Option Common Stock [F1] (5,000) $0.45 May 20, 2019 5,000 Acquired
May 21, 2008 PRPO Purchase Option Common Stock [F1] (5,000) $0.74 May 20, 2018 5,000 Acquired
May 23, 2007 PRPO Purchase Option Common Stock [F1] (5,000) $0.70 May 22, 2017 5,000 Acquired
May 23, 2007 PRPO Purchase Option Common Stock [F1] (5,000) $0.70 May 22, 2017 5,000 Acquired
May 23, 2007 PRPO Purchase Option Common Stock [F1] (5,000) $0.70 May 22, 2017 5,000 Acquired

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
Feb. 21, 2014 CRDF Stock Options→ Common Stock (8,333) 8,333 Direct