Herbert M Gardner
Insider
First SEC filing: Feb. 10, 2010 · Latest: Feb. 11, 2011
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 3, 2014 | DWSN | M | 21,979 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 3, 2014 | DWSN | M | 21,979 | $3.52 | $77,366 | 724,830 Direct | +3.13% | Acquired | -72.6% (price as of 2026-10-02) |
| July 31, 2014 | DWSN | A | 37,500 | · | · | 37,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 18, 2013 | DWSN | A | 19,797 | · | · | 19,797 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 13, 2013 | DWSN | M | 26,812 | $75221.00 | $2,016,825,452 | 0 Direct | -100.00% | Disposed | -100.0% (price as of 2026-10-02) |
| Sept. 13, 2013 | DWSN | F | 9,322 | $8.07 | $75,229 | 702,851 Direct | -1.31% | Disposed | -88.0% (price as of 2026-10-02) |
| Sept. 13, 2013 | DWSN | M | 26,812 | $2.80 | $75,074 | 712,173 Direct | +3.91% | Acquired | -65.5% (price as of 2026-10-02) |
| Aug. 7, 2012 | DWSN | A | 18,750 | · | · | 18,750 Direct | · | Acquired | (price as of 2026-10-02) |
| May 2, 2012 | DWSN | S | 500 | $11.45 | $5,725 | 621,644 Direct | -0.08% | Disposed | -91.1% (price as of 2026-10-02) |
| March 7, 2012 | DWSN | M | 10,989 | $92082.10 | $1,011,890,197 | 0 Direct | -100.00% | Disposed | -100.0% (price as of 2026-10-02) |
| March 7, 2012 | DWSN | F | 8,837 | $10.42 | $92,082 | 622,144 Direct | -1.40% | Disposed | -89.8% (price as of 2026-10-02) |
| March 7, 2012 | DWSN | M | 10,989 | $8.38 | $92,088 | 630,981 Direct | +1.77% | Acquired | -87.3% (price as of 2026-10-02) |
| Nov. 21, 2011 | DWSN | A | 16,837 | · | · | 16,837 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 4, 2009 | DWSN | A | 18,987 | · | · | 18,987 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 23, 2008 | DWSN | A | 22,059 | · | · | 22,059 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2008 | DWSN | G | 213 | · | · | 333,222 Direct | -0.06% | Disposed | (price as of 2026-10-02) |
| Sept. 19, 2007 | DWSN | A | 9,493 | · | · | 9,968 Direct | +1998.53% | Acquired | (price as of 2026-10-02) |
| May 8, 2006 | DWSN | S | 20,000 | $15.11 | $302,200 | 511,960 Direct | -3.76% | Disposed | -91.4% (price as of 2026-10-02) |
| May 5, 2006 | DWSN | S | 15,000 | $15.10 | $226,500 | 531,960 Direct | -2.74% | Disposed | -91.4% (price as of 2026-10-02) |
| May 5, 2006 | DWSN | S | 9,500 | $15.00 | $142,500 | 546,960 Direct | -1.71% | Disposed | -91.4% (price as of 2026-10-02) |
| May 4, 2006 | DWSN | S | 14,500 | $15.10 | $218,950 | 556,460 Direct | -2.54% | Disposed | -91.4% (price as of 2026-10-02) |
| May 3, 2006 | DWSN | S | 6,000 | $15.17 | $91,020 | 570,960 Direct | -1.04% | Disposed | -91.5% (price as of 2026-10-02) |
| May 2, 2006 | DWSN | S | 12,834 | $15.00 | $192,510 | 60,040 Indirect | -17.61% | Disposed | -91.4% (price as of 2026-10-02) |
| May 2, 2006 | DWSN | S | 12,900 | $14.75 | $190,275 | 72,874 Indirect | -15.04% | Disposed | -91.2% (price as of 2026-10-02) |
| May 2, 2006 | DWSN | S | 15,000 | $14.81 | $222,150 | 576,960 Direct | -2.53% | Disposed | -91.3% (price as of 2026-10-02) |
| May 1, 2006 | DWSN | S | 600 | $14.62 | $8,772 | 85,774 Indirect | -0.69% | Disposed | -91.1% (price as of 2026-10-02) |
| April 25, 2006 | DWSN | J | 70 | · | · | 1,465 Direct | +5.02% | Acquired | (price as of 2026-10-02) |
| April 25, 2006 | DWSN | J | 87 | · | · | 1,820 Indirect | +5.02% | Acquired | (price as of 2026-10-02) |
| April 25, 2006 | DWSN | J | 4,113 | · | · | 86,374 Indirect | +5.00% | Acquired | (price as of 2026-10-02) |
| April 25, 2006 | DWSN | J | 28,188 | · | · | 591,960 Direct | +5.00% | Acquired | (price as of 2026-10-02) |
| Oct. 12, 2005 | DWSN | C | 47,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 12, 2005 | DWSN | C | 188,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 12, 2005 | DWSN | S | 162,329 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 12, 2005 | DWSN | S | 371,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 12, 2005 | DWSN | S | 200,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 12, 2005 | DWSN | C | 47,000 | · | · | 82,261 Indirect | +133.29% | Acquired | (price as of 2026-10-02) |
| Oct. 12, 2005 | DWSN | C | 188,500 | · | · | 563,772 Direct | +50.23% | Acquired | (price as of 2026-10-02) |
| Oct. 11, 2005 | DWSN | M | 10,000 | $1.00 | $10,000 | 0 Direct | -100.00% | Disposed | 35.9% (price as of 2026-10-02) |
| Oct. 11, 2005 | DWSN | M | 10,000 | $1.00 | $10,000 | 375,272 Direct | +2.74% | Acquired | 35.9% (price as of 2026-10-02) |
| Dec. 15, 2004 | DWSN | P | 1,733 | $1.50 | $2,600 | 1,733 Indirect | · | Acquired | -9.4% (price as of 2026-10-02) |
| Dec. 13, 2004 | DWSN | G | 11,000 | · | · | 365,272 Direct | -2.92% | Disposed | (price as of 2026-10-02) |
| April 8, 2004 | DWSN | J | 5,814 | $0.86 | $5,000 | 376,272 Direct | +1.57% | Acquired | 58.1% (price as of 2026-10-02) |
| Feb. 23, 2004 | DWSN | P | 47,000 | $0.53 | $24,910 | 47,000 Indirect | · | Acquired | 156.5% (price as of 2026-10-02) |
| Feb. 23, 2004 | DWSN | P | 188,500 | $0.53 | $99,905 | 188,500 Direct | · | Acquired | 156.5% (price as of 2026-10-02) |
| Feb. 23, 2004 | DWSN | J | 8,652 | · | · | 370,458 Direct | +2.39% | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2004 | DWSN | P | 188,500 | $0.53 | $99,905 | 188,500 Direct | · | Acquired | 156.5% (price as of 2026-10-02) |
| Feb. 23, 2004 | DWSN | P | 47,000 | $0.53 | $24,910 | 47,000 Indirect | · | Acquired | 156.5% (price as of 2026-10-02) |
| Oct. 29, 2003 | DWSN | J | 37,500 | $0.40 | $15,000 | 361,806 Direct | +11.56% | Acquired | 239.8% (price as of 2026-10-02) |
| June 12, 2003 | DWSN | J | 150,000 | $30000.00 | $4,500,000,000 | 150,000 Direct | · | Acquired | -100.0% (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Oct. 3, 2014 | DWSN | Nonqualified Stock Option | Common Stock | $3.52 | Dec. 3, 2014 | 21,979 | Disposed |
| July 31, 2014 | DWSN | Nonqualified Stock Option | Common Stock | $3.93 | July 30, 2019 | 37,500 | Acquired |
| Dec. 18, 2013 | DWSN | Nonqualified Stock Option | Common Stock | $7.18 | Dec. 18, 2018 | 19,797 | Acquired |
| Sept. 13, 2013 | DWSN | Nonqualified Stock Option | Common Stock | · | Oct. 22, 2013 | 26,812 | Disposed |
| Aug. 7, 2012 | DWSN | Nonqualified Stock Option | Common Stock | $5.88 | Aug. 6, 2017 | 18,750 | Acquired |
| March 7, 2012 | DWSN | Nonqualified Stock Option | Common Stock | $8.38 | Sept. 19, 2012 | 10,989 | Disposed |
| Nov. 21, 2011 | DWSN | Nonqualified Stock Option | Common Stock | $6.32 | Nov. 20, 2016 | 16,837 | Acquired |
| Dec. 4, 2009 | DWSN | Nonqualified Stock Option | Common Stock | $4.07 | Dec. 3, 2014 | 18,987 | Acquired |
| Oct. 23, 2008 | DWSN | Nonqualified Stock Option | Common Stock | $3.41 | Oct. 22, 2013 | 22,059 | Acquired |
| Sept. 19, 2007 | DWSN | Nonqualified Stock Option | Common Stock | · | Sept. 18, 2012 | 9,493 | Acquired |
| April 25, 2006 | DWSN | Stock Option (reload) | Common Stock | $6.81 | Oct. 10, 2010 | 70 | Acquired |
| April 25, 2006 | DWSN | Warrants (Series C2) | Common Stock | $0.95 | Dec. 15, 2007 | 87 | Acquired |
| Oct. 12, 2005 | DWSN | 8-1/2% Sr Convertible Preferred Stock | Common Stock | · | · | 47,000 | Disposed |
| Oct. 12, 2005 | DWSN | 8-1/2% Sr Convertible Preferred Stock | Common Stock | · | · | 188,500 | Disposed |
| Oct. 12, 2005 | DWSN | Warrants (Series A2) | Common Stock | $0.20 | June 11, 2003 | 162,329 | Disposed |
| Oct. 12, 2005 | DWSN | Warrants (Series A) | Common Stock | $0.20 | Sept. 10, 2012 | 371,000 | Disposed |
| Oct. 12, 2005 | DWSN | Warrants | Common Stock | $0.30 | July 31, 2009 | 200,000 | Disposed |
| Oct. 11, 2005 | DWSN | Non-Statutory Stock Option | Common Stock | $1.00 | Dec. 11, 2005 | 10,000 | Disposed |
| Dec. 15, 2004 | DWSN | Warrants (Series C2) | Common Stock | $1.00 | Dec. 15, 2007 | 1,733 | Acquired |
| Feb. 23, 2004 | DWSN | 8-1/2% Senior Convertible Preferred Stock | Common Stock | · | · | 47,000 | Acquired |
| Feb. 23, 2004 | DWSN | 8-1/2% Senior Convertible Preferred Stock | Common Stock | · | · | 188,500 | Acquired |
| Feb. 23, 2004 | DWSN | 8-1/2% Senior Convertible Preferred Stock | Common Stock | · | · | 188,500 | Acquired |
| Feb. 23, 2004 | DWSN | 8-1/2% Senior Convertible Preferred Stock | Common Stock | · | · | 47,000 | Acquired |
| June 12, 2003 | DWSN | Series A2 Warrants | Common Stock | $0.20 | June 12, 2013 | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).