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David K Lockett
Insider
First SEC filing: June 27, 2008 · Latest: June 27, 2008
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 10, 2018 | CRK | A | 14,318 | · | · | 53,322 Direct | +36.71% | Acquired | (price as of 2026-10-05) |
| May 16, 2017 | CRK | A | 15,152 | · | · | 39,004 Direct | +63.53% | Acquired | (price as of 2026-10-05) |
| June 7, 2016 | CRK | A | 25,000 | · | · | 119,255 Direct | +26.52% | Acquired | (price as of 2026-10-05) |
| May 7, 2015 | CRK | A | 27,412 | · | · | 94,255 Direct | +41.01% | Acquired | (price as of 2026-10-05) |
| May 8, 2014 | CRK | A | 4,887 | · | · | 66,843 Direct | +7.89% | Acquired | (price as of 2026-10-05) |
| May 7, 2013 | CRK | A | 8,820 | · | · | 61,956 Direct | +16.60% | Acquired | (price as of 2026-10-05) |
| May 8, 2012 | CRK | A | 10,100 | · | · | 53,136 Direct | +23.47% | Acquired | (price as of 2026-10-05) |
| May 3, 2012 | CRK | J | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 17, 2011 | CRK | A | 6,500 | · | · | 43,036 Direct | +17.79% | Acquired | (price as of 2026-10-05) |
| May 10, 2011 | CRK | J | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 18, 2010 | CRK | A | 9,000 | · | · | 36,536 Direct | +32.68% | Acquired | (price as of 2026-10-05) |
| May 17, 2010 | CRK | S | 5,000 | $30.23 | $151,150 | 27,536 Direct | -15.37% | Disposed | -91.4% (price as of 2026-10-05) |
| May 16, 2010 | CRK | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 16, 2010 | CRK | M | 5,000 | $20.92 | $104,600 | 32,536 Direct | +18.16% | Acquired | -87.5% (price as of 2026-10-05) |
| May 19, 2009 | CRK | A | 24,000 | · | · | 27,536 Direct | +678.73% | Acquired | (price as of 2026-10-05) |
| June 27, 2008 | CRK | M | 5,000 | · | · | 5,000 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| June 27, 2008 | CRK | M | 5,000 | $78.34 | $391,700 | 3,536 Direct | -58.58% | Disposed | -96.7% (price as of 2026-10-05) |
| June 27, 2008 | CRK | M | 5,000 | $20.92 | $104,600 | 8,536 Direct | +141.40% | Acquired | -87.5% (price as of 2026-10-05) |
| June 6, 2008 | CRK | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 6, 2008 | CRK | M | 10,000 | $63.50 | $635,000 | 3,536 Direct | -73.88% | Disposed | -95.9% (price as of 2026-10-05) |
| June 6, 2008 | CRK | M | 10,000 | $18.17 | $181,700 | 13,536 Direct | +282.81% | Acquired | -85.6% (price as of 2026-10-05) |
| May 13, 2008 | CRK | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 3, 2007 | CRK | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 18, 2006 | CRK | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 18, 2006 | CRK | M | 10,000 | $32.54 | $325,400 | 3,536 Direct | -73.88% | Disposed | -92.0% (price as of 2026-10-05) |
| Dec. 18, 2006 | CRK | M | 10,000 | $12.15 | $121,500 | 13,536 Direct | +282.81% | Acquired | -78.5% (price as of 2026-10-05) |
| May 10, 2006 | CRK | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 12, 2005 | CRK | M | 10,000 | $7.40 | $74,000 | 13,536 Direct | +282.81% | Acquired | -64.7% (price as of 2026-10-05) |
| Sept. 12, 2005 | CRK | M | 10,000 | $8.70 | $87,000 | 23,536 Direct | +73.88% | Acquired | -70.0% (price as of 2026-10-05) |
| Sept. 12, 2005 | CRK | M | 20,000 | $30.65 | $613,000 | 3,536 Direct | -84.98% | Disposed | -91.5% (price as of 2026-10-05) |
| Sept. 12, 2005 | CRK | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 12, 2005 | CRK | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 16, 2005 | CRK | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 1, 2004 | CRK | P | 100 | $21.98 | $2,198 | 3,536 Direct | +2.91% | Acquired | -88.1% (price as of 2026-10-05) |
| Sept. 22, 2004 | CRK | P | 200 | $20.09 | $4,018 | 3,436 Direct | +6.18% | Acquired | -87.0% (price as of 2026-10-05) |
| Aug. 26, 2004 | CRK | P | 900 | $17.02 | $15,318 | 3,236 Direct | +38.53% | Acquired | -84.7% (price as of 2026-10-05) |
| May 10, 2004 | CRK | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 20, 2003 | CRK | M | 10,000 | $19.16 | $191,600 | 2,336 Direct | -81.06% | Disposed | -86.4% (price as of 2026-10-05) |
| Dec. 20, 2003 | CRK | M | 10,000 | · | · | · Direct | · | Disposed | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| May 3, 2012 | CRK | Directors Stock Options - 2007 | Common Stock | $29.49 | May 3, 2012 | 10,000 | Disposed |
| May 10, 2011 | CRK | Directors Stock Options - 2006 | Common Stock | $32.44 | May 10, 2011 | 10,000 | Disposed |
| May 16, 2010 | CRK | Directors Stock Options - 2005 | Common Stock | $20.92 | May 16, 2010 | 5,000 | Disposed |
| June 27, 2008 | CRK | Directors Stock Options - 2005 | Common Stock | $20.92 | May 16, 2010 | 5,000 | Disposed |
| June 6, 2008 | CRK | Directors Stock Options - 2004 | Common Stock | $18.17 | June 1, 2009 | 10,000 | Disposed |
| May 13, 2008 | CRK | Directors Stock Options - 2008 | Common Stock | $54.36 | May 13, 2013 | 10,000 | Acquired |
| May 3, 2007 | CRK | Directors Stock Options - 2007 | Common Stock | $29.49 | May 3, 2012 | 10,000 | Acquired |
| Dec. 18, 2006 | CRK | Directors Stock Options - 2003 | Common Stock | $12.15 | June 1, 2008 | 10,000 | Disposed |
| May 10, 2006 | CRK | Directors Stock Options - 2006 | Common Stock | $32.44 | May 10, 2012 | 10,000 | Acquired |
| Sept. 12, 2005 | CRK | Directors Stock Options - 2001 | Common Stock | $7.40 | Aug. 1, 2006 | 10,000 | Disposed |
| Sept. 12, 2005 | CRK | Directors Stock Options - 2002 | Common Stock | $8.70 | June 1, 2007 | 10,000 | Disposed |
| May 16, 2005 | CRK | Directors Stock Options - 2005 | Common Stock | $20.92 | May 16, 2010 | 10,000 | Acquired |
| May 10, 2004 | CRK | Directors Stock Options - 2004 | Common Stock | $18.17 | June 1, 2009 | 10,000 | Acquired |
| Dec. 20, 2003 | CRK | · | Common Stock | $7.40 | Aug. 1, 2006 | 10,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).