Warren I Mitchell

CIK 1400256 · View on SEC EDGAR ↗

Insider

First SEC filing: May 24, 2007 · Latest: May 24, 2007

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 69 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

69 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 17, 2016 CLNE P 10,000 $4.01 $40,100 90,100 Direct +12.48% Acquired -60.7% (price as of 2026-08-19)
June 4, 2014 CLNE P 20,000 $10.27 $205,400 60,100 Direct +49.88% Acquired -84.7% (price as of 2026-08-19)
Feb. 3, 2014 CLNE S 10b5-1 3,000 $11.90 $35,700 40,100 Direct -6.96% Disposed -86.8% (price as of 2026-08-19)
Jan. 2, 2014 CLNE S 10b5-1 3,000 $12.81 $38,430 40,100 Direct -6.96% Disposed -87.7% (price as of 2026-08-19)
Dec. 2, 2013 CLNE S 10b5-1 3,000 $12.39 $37,170 40,100 Direct -6.96% Disposed -87.3% (price as of 2026-08-19)
Nov. 1, 2013 CLNE S 10b5-1 3,000 $11.37 $34,110 40,100 Direct -6.96% Disposed -86.1% (price as of 2026-08-19)
Sept. 3, 2013 CLNE S 10b5-1 3,000 $12.65 $37,950 40,100 Direct -6.96% Disposed -87.5% (price as of 2026-08-19)
Aug. 1, 2013 CLNE S 10b5-1 3,000 $13.01 $39,030 40,100 Direct -6.96% Disposed -87.9% (price as of 2026-08-19)
July 1, 2013 CLNE S 10b5-1 3,000 $13.21 $39,630 40,100 Direct -6.96% Disposed -88.1% (price as of 2026-08-19)
June 3, 2013 CLNE S 10b5-1 3,000 $13.40 $40,200 40,100 Direct -6.96% Disposed -88.2% (price as of 2026-08-19)
May 1, 2013 CLNE S 10b5-1 3,000 $13.08 $39,240 40,100 Direct -6.96% Disposed -88.0% (price as of 2026-08-19)
April 1, 2013 CLNE S 10b5-1 3,000 $13.00 $39,000 40,100 Direct -6.96% Disposed -87.9% (price as of 2026-08-19)
March 1, 2013 CLNE S 10b5-1 3,000 $12.38 $37,140 40,100 Direct -6.96% Disposed -87.3% (price as of 2026-08-19)
Feb. 1, 2013 CLNE S 10b5-1 3,000 $12.82 $38,460 40,100 Direct -6.96% Disposed -87.7% (price as of 2026-08-19)
Jan. 2, 2013 CLNE S 10b5-1 3,000 $12.90 $38,700 40,100 Direct -6.96% Disposed -87.8% (price as of 2026-08-19)
Dec. 3, 2012 CLNE S 10b5-1 3,000 $13.25 $39,750 40,100 Direct -6.96% Disposed -88.1% (price as of 2026-08-19)
Nov. 1, 2012 CLNE S 10b5-1 3,000 $11.43 $34,290 40,100 Direct -6.96% Disposed -86.2% (price as of 2026-08-19)
Oct. 1, 2012 CLNE S 10b5-1 3,000 $13.15 $39,450 40,100 Direct -6.96% Disposed -88.0% (price as of 2026-08-19)
Sept. 4, 2012 CLNE S 10b5-1 3,000 $13.09 $39,270 40,100 Direct -6.96% Disposed -88.0% (price as of 2026-08-19)
Aug. 1, 2012 CLNE S 10b5-1 3,000 $14.11 $42,330 40,100 Direct -6.96% Disposed -88.8% (price as of 2026-08-19)
July 2, 2012 CLNE S 10b5-1 3,000 $15.50 $46,500 40,100 Direct -6.96% Disposed -89.8% (price as of 2026-08-19)
May 8, 2012 CLNE S 10b5-1 3,000 $17.20 $51,600 40,100 Direct -6.96% Disposed -90.8% (price as of 2026-08-19)
May 8, 2012 CLNE S 10b5-1 1,500 $17.20 $25,800 40,100 Direct -3.61% Disposed -90.8% (price as of 2026-08-19)
April 2, 2012 CLNE S 10b5-1 3,000 $21.88 $65,640 40,100 Direct -6.96% Disposed -92.8% (price as of 2026-08-19)
April 2, 2012 CLNE S 10b5-1 1,500 $21.88 $32,820 40,100 Direct -3.61% Disposed -92.8% (price as of 2026-08-19)
March 1, 2012 CLNE S 10b5-1 3,000 $19.19 $57,570 40,100 Direct -6.96% Disposed -91.8% (price as of 2026-08-19)
March 1, 2012 CLNE S 10b5-1 1,500 $19.19 $28,785 40,100 Direct -3.61% Disposed -91.8% (price as of 2026-08-19)
Feb. 13, 2012 CLNE S 10b5-1 3,000 $17.00 $51,000 40,100 Direct -6.96% Disposed -90.7% (price as of 2026-08-19)
Feb. 1, 2012 CLNE S 10b5-1 3,000 $15.50 $46,500 40,100 Direct -6.96% Disposed -89.8% (price as of 2026-08-19)
Jan. 3, 2012 CLNE S 10b5-1 3,000 $12.81 $38,430 40,100 Direct -6.96% Disposed -87.7% (price as of 2026-08-19)
Dec. 1, 2011 CLNE S 10b5-1 2,000 $12.90 $25,800 40,100 Direct -4.75% Disposed -87.8% (price as of 2026-08-19)

Showing latest 100 of 216 transactions

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
Feb. 25, 2019 CLNE Stock Option (Right to Buy) Common Stock (42,500) $2.19 Feb. 25, 2029 42,500 Acquired
March 2, 2018 CLNE Stock Option (Right to Buy) Common Stock (40,000) $1.37 March 2, 2028 40,000 Acquired
Dec. 1, 2014 CLNE Stock Option (Right to Buy) Common Stock (20,000) $5.54 Dec. 1, 2024 20,000 Acquired
Feb. 3, 2014 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Feb. 2, 2014 CLNE Stock Option (Right to Buy) Common Stock (20,000) $11.93 Feb. 2, 2024 20,000 Acquired
Jan. 2, 2014 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Dec. 2, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Nov. 1, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Sept. 3, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Aug. 1, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
July 1, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
June 3, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
May 1, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
April 1, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
March 1, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Feb. 1, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Jan. 2, 2013 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Dec. 12, 2012 CLNE Stock Option (Right to Buy) Common Stock (20,000) $13.09 Dec. 12, 2022 20,000 Acquired
Dec. 3, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Nov. 1, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Oct. 1, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Sept. 4, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
Aug. 1, 2012 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Aug. 1, 2012 CLNE Stock Option (Right to Buy) Common Stock (1,000) $2.96 May 5, 2015 1,000 Disposed
July 2, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Disposed
May 8, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Acquired
May 8, 2012 CLNE Stock Option (Right to Buy) Common Stock (1,500) $12.00 May 23, 2017 1,500 Acquired
April 2, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Acquired
April 2, 2012 CLNE Stock Option (Right to Buy) Common Stock (1,500) $12.00 May 23, 2017 1,500 Acquired
March 1, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Acquired
March 1, 2012 CLNE Stock Option (Right to Buy) Common Stock (1,500) $12.00 May 23, 2017 1,500 Acquired
Feb. 13, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $12.00 May 23, 2017 3,000 Acquired
Feb. 1, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Acquired
Jan. 25, 2012 CLNE Stock Option (Right to Buy) Common Stock (25,000) $15.11 Jan. 25, 2022 25,000 Acquired
Jan. 3, 2012 CLNE Stock Option (Right to Buy) Common Stock (3,000) $2.96 May 5, 2015 3,000 Acquired
Dec. 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Nov. 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Oct. 3, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Sept. 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Aug. 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
July 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
June 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
May 2, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
April 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
March 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Feb. 1, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Jan. 3, 2011 CLNE Stock Option (Right to Buy) Common Stock (20,000) $14.22 Jan. 3, 2021 20,000 Acquired
Jan. 3, 2011 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Dec. 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (20,000) $13.49 Dec. 1, 2020 20,000 Acquired
Dec. 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Nov. 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Oct. 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Sept. 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
Aug. 2, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Acquired
July 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
June 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
May 7, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
April 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
March 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Feb. 1, 2010 CLNE Stock Option (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Jan. 4, 2010 CLNE Stock Options (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Dec. 1, 2009 CLNE Stock Options (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Nov. 2, 2009 CLNE Stock Options (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Oct. 8, 2009 CLNE Stock Options (Right to Buy) Common Stock (20,000) $14.06 Oct. 8, 2019 20,000 Acquired
Oct. 1, 2009 CLNE Stock Options (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Sept. 1, 2009 CLNE Stock Options (Right to Buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
Aug. 3, 2009 CLNE Stock Option (right to buy) Common Stock (4,000) $2.96 May 5, 2015 4,000 Disposed
June 1, 2009 CLNE Stock Option (right to buy) Common Stock (2,000) $2.96 May 5, 2015 2,000 Disposed
May 8, 2009 CLNE Stock Option (right to buy) Common Stock (10,000) $2.96 May 5, 2015 10,000 Disposed
Jan. 2, 2009 CLNE Stock Option (right to buy) Common Stock (19,638) $6.33 Jan. 2, 2019 19,638 Acquired
Dec. 10, 2008 CLNE Stock Option (right to buy) Common Stock (25,977) $5.09 Dec. 10, 2018 25,977 Acquired
May 29, 2008 CLNE Stock Option (right to buy) Common Stock (4,000) $2.96 June 11, 2013 4,000 Disposed
May 29, 2008 CLNE Stock Option (right to buy) Common Stock (1,000) $2.96 Dec. 12, 2012 1,000 Disposed
May 28, 2008 CLNE Stock Option (right to buy) Common Stock (5,000) $2.96 Dec. 12, 2012 5,000 Disposed
Dec. 12, 2007 CLNE Stock Option (right to buy) Common Stock (25,000) $15.27 Dec. 12, 2017 25,000 Acquired
May 24, 2007 CLNE Stock Option (right to buy) Common Stock (80,000) $12.00 May 24, 2017 80,000 Acquired

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

Initial ownership (Form 3) 5 holdings

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

Date Ticker Security Shares Ownership
May 24, 2007 CLNE Common Stock 100,000 Indirect
May 24, 2007 CLNE Stock Option (right to buy)→ Common Stock (6,000) 6,000 Direct
May 24, 2007 CLNE Stock Option (right to buy)→ Common Stock (4,000) 4,000 Direct
May 24, 2007 CLNE Stock Option (right to buy)→ Common Stock (100,000) 100,000 Direct
May 24, 2007 CLNE Stock Option (right to buy)→ Common Stock (50,000) 50,000 Direct