William J Barrett
CIK 923415 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 5, 2012 · Latest: Dec. 5, 2012
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 28 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
28 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 15, 2018 | DWSN | P | 6,600 | $5.50 | $36,300 | 760,715 Direct | +0.88% | Acquired | -49.4% (price as of 2026-08-20) |
| Aug. 15, 2018 | DWSN | P | 10,000 | $5.70 | $57,000 | 754,115 Direct | +1.34% | Acquired | -51.1% (price as of 2026-08-20) |
| Aug. 13, 2018 | DWSN | P | 15,000 | $5.75 | $86,250 | 744,065 Direct | +2.06% | Acquired | -51.6% (price as of 2026-08-20) |
| Aug. 13, 2018 | DWSN | P | 3,230 | $5.80 | $18,734 | 729,065 Direct | +0.45% | Acquired | -52.0% (price as of 2026-08-20) |
| Aug. 13, 2018 | DWSN | P | 15,000 | $5.75 | $86,250 | 744,115 Direct | +2.06% | Acquired | -51.6% (price as of 2026-08-20) |
| Aug. 13, 2018 | DWSN | P | 3,280 | $5.80 | $19,024 | 729,115 Direct | +0.45% | Acquired | -52.0% (price as of 2026-08-20) |
| Aug. 8, 2018 | DWSN | P | 50 | $5.80 | $290 | 725,835 Direct | +0.01% | Acquired | -52.0% (price as of 2026-08-20) |
| Aug. 6, 2018 | DWSN | P | 1,720 | $5.80 | $9,976 | 725,785 Direct | +0.24% | Acquired | -52.0% (price as of 2026-08-20) |
| Dec. 15, 2017 | DWSN | P | 195 | $4.68 | $913 | 74,444 Indirect | +0.26% | Acquired | -37.5% (price as of 2026-08-20) |
| Dec. 12, 2017 | DWSN | P | 5,000 | $4.75 | $23,750 | 74,249 Indirect | +7.22% | Acquired | -38.4% (price as of 2026-08-20) |
| Dec. 11, 2017 | DWSN | P | 5,000 | $4.90 | $24,500 | 69,249 Indirect | +7.78% | Acquired | -40.3% (price as of 2026-08-20) |
| May 30, 2017 | DWSN | P | 10,000 | $3.90 | $39,000 | 677,820 Direct | +1.50% | Acquired | -25.0% (price as of 2026-08-20) |
| May 30, 2017 | DWSN | P | 5,000 | $3.90 | $19,500 | 672,820 Direct | +0.75% | Acquired | -25.0% (price as of 2026-08-20) |
| May 18, 2017 | DWSN | P | 5,000 | $4.05 | $20,250 | 667,820 Direct | +0.75% | Acquired | -27.8% (price as of 2026-08-20) |
| May 17, 2017 | DWSN | P | 5,000 | $4.20 | $21,000 | 662,820 Direct | +0.76% | Acquired | -30.4% (price as of 2026-08-20) |
| May 15, 2017 | DWSN | P | 4,833 | $4.50 | $21,748 | 657,820 Direct | +0.74% | Acquired | -35.0% (price as of 2026-08-20) |
| May 15, 2017 | DWSN | P | 4,833 | $4.50 | $21,748 | 657,280 Direct | +0.74% | Acquired | -35.0% (price as of 2026-08-20) |
| May 12, 2017 | DWSN | P | 167 | $4.50 | $752 | 652,987 Direct | +0.03% | Acquired | -35.0% (price as of 2026-08-20) |
| May 12, 2017 | DWSN | P | 167 | $4.50 | $752 | 652,987 Direct | +0.03% | Acquired | -35.0% (price as of 2026-08-20) |
| April 13, 2016 | MPV | S | 2,011 | $14.40 | $28,958 | 1,195 Indirect | -62.73% | Disposed | 14.9% (price as of 2026-08-20) |
| April 13, 2016 | MPV | S | 5,000 | $14.36 | $71,800 | 46,493 Direct | -9.71% | Disposed | 15.2% (price as of 2026-08-20) |
| April 13, 2016 | MPV | S | 4,392 | $14.32 | $62,893 | 51,493 Direct | -7.86% | Disposed | 15.5% (price as of 2026-08-20) |
| April 12, 2016 | MPV | S | 100 | $14.32 | $1,432 | 55,885 Direct | -0.18% | Disposed | 15.5% (price as of 2026-08-20) |
| April 8, 2016 | MPV | S | 507 | $14.32 | $7,260 | 3,206 Indirect | -13.65% | Disposed | 15.5% (price as of 2026-08-20) |
| April 6, 2016 | MPV | S | 212 | $14.30 | $3,032 | 3,713 Indirect | -5.40% | Disposed | 15.7% (price as of 2026-08-20) |
| April 1, 2016 | MPV | S | 1,984 | $14.30 | $28,371 | 3,925 Indirect | -33.58% | Disposed | 15.7% (price as of 2026-08-20) |
| March 31, 2016 | MPV | S | 1,861 | $14.30 | $26,612 | 5,909 Indirect | -23.95% | Disposed | 15.7% (price as of 2026-08-20) |
| March 30, 2016 | MPV | S | 26 | $14.30 | $372 | 7,770 Indirect | -0.33% | Disposed | 15.7% (price as of 2026-08-20) |
| March 29, 2016 | MPV | S | 5,000 | $14.25 | $71,250 | 7,796 Indirect | -39.07% | Disposed | 16.1% (price as of 2026-08-20) |
| March 29, 2016 | MPV | S | 716 | $14.30 | $10,239 | 12,796 Indirect | -5.30% | Disposed | 15.7% (price as of 2026-08-20) |
| March 28, 2016 | MPV | S | 961 | $14.20 | $13,646 | 13,512 Indirect | -6.64% | Disposed | 16.5% (price as of 2026-08-20) |
| March 24, 2016 | MPV | S | 2,800 | $14.20 | $39,760 | 14,473 Indirect | -16.21% | Disposed | 16.5% (price as of 2026-08-20) |
| March 17, 2016 | MPV | S | 589 | $14.20 | $8,364 | 17,273 Indirect | -3.30% | Disposed | 16.5% (price as of 2026-08-20) |
| March 15, 2016 | MCI | S | 1,652 | $17.54 | $28,976 | 6,874 Indirect | -19.38% | Disposed | 4.4% (price as of 2026-08-20) |
| March 10, 2016 | MPV | S | 650 | $14.20 | $9,230 | 17,862 Indirect | -3.51% | Disposed | 16.5% (price as of 2026-08-20) |
| Jan. 14, 2016 | MCI | S | 3,540 | $17.40 | $61,596 | 8,526 Indirect | -29.34% | Disposed | 5.3% (price as of 2026-08-20) |
| Jan. 12, 2016 | MCI | S | 450 | $17.40 | $7,830 | 12,066 Indirect | -3.60% | Disposed | 5.3% (price as of 2026-08-20) |
| Dec. 31, 2015 | MPV | S | 4 | $14.10 | $56 | 55,985 Direct | -0.01% | Disposed | 17.3% (price as of 2026-08-20) |
| Dec. 30, 2015 | MCI | S | 2,023 | $17.60 | $35,605 | 5,358 Direct | -27.41% | Disposed | 4.1% (price as of 2026-08-20) |
| Dec. 29, 2015 | MCI | S | 325 | $17.60 | $5,720 | 7,381 Direct | -4.22% | Disposed | 4.1% (price as of 2026-08-20) |
| Dec. 28, 2015 | MCI | S | 2,418 | $17.54 | $42,412 | 7,706 Direct | -23.88% | Disposed | 4.4% (price as of 2026-08-20) |
| Dec. 28, 2015 | MCI | S | 1,600 | $17.60 | $28,160 | 10,124 Direct | -13.65% | Disposed | 4.1% (price as of 2026-08-20) |
| Dec. 24, 2015 | MCI | S | 3,741 | $17.46 | $65,318 | 11,724 Direct | -24.19% | Disposed | 4.9% (price as of 2026-08-20) |
| Dec. 24, 2015 | MCI | S | 1,500 | $17.54 | $26,310 | 15,465 Direct | -8.84% | Disposed | 4.4% (price as of 2026-08-20) |
| Dec. 24, 2015 | MCI | S | 1,000 | $17.54 | $17,540 | 16,965 Direct | -5.57% | Disposed | 4.4% (price as of 2026-08-20) |
| Dec. 24, 2015 | MCI | S | 528 | $17.54 | $9,261 | 17,965 Direct | -2.86% | Disposed | 4.4% (price as of 2026-08-20) |
| Dec. 24, 2015 | MCI | S | 205 | $17.48 | $3,583 | 18,493 Direct | -1.10% | Disposed | 4.8% (price as of 2026-08-20) |
| Dec. 23, 2015 | MCI | S | 450 | $17.46 | $7,857 | 18,698 Direct | -2.35% | Disposed | 4.9% (price as of 2026-08-20) |
| Dec. 23, 2015 | MCI | S | 205 | $17.48 | $3,583 | 19,148 Direct | -1.06% | Disposed | 4.8% (price as of 2026-08-20) |
| Dec. 21, 2015 | MCI | S | 5,000 | $17.25 | $86,250 | 19,353 Direct | -20.53% | Disposed | 6.2% (price as of 2026-08-20) |
| Dec. 18, 2015 | MCI | S | 526 | $17.21 | $9,052 | 24,353 Direct | -2.11% | Disposed | 6.4% (price as of 2026-08-20) |
| Dec. 2, 2015 | MCI | S | 3,574 | $17.20 | $61,473 | 24,879 Direct | -12.56% | Disposed | 6.5% (price as of 2026-08-20) |
| Nov. 18, 2015 | MCI | S | 4,000 | $17.68 | $70,720 | 28,453 Direct | -12.33% | Disposed | 3.6% (price as of 2026-08-20) |
| Oct. 31, 2012 | MPV | P | 1,500 | $14.50 | $21,750 | 56,688 Direct | +2.72% | Acquired | 14.1% (price as of 2026-08-20) |
| Oct. 26, 2012 | MPV | P | 100 | $14.86 | $1,486 | 55,188 Direct | +0.18% | Acquired | 11.3% (price as of 2026-08-20) |
| Oct. 24, 2012 | MCI | P | 100 | $14.86 | $1,486 | 44,730 Direct | +0.22% | Acquired | 23.3% (price as of 2026-08-20) |
| July 3, 2012 | DWSN | S | 10,609 | $10.47 | $111,076 | 1,776,869 Direct | -0.59% | Disposed | -90.2% (price as of 2026-08-20) |
| June 20, 2012 | DWSN | S | 988 | $10.44 | $10,315 | 1,787,478 Direct | -0.06% | Disposed | -90.2% (price as of 2026-08-20) |
| June 19, 2012 | DWSN | S | 30,503 | $10.33 | $315,096 | 1,788,466 Direct | -1.68% | Disposed | -90.1% (price as of 2026-08-20) |
| June 19, 2012 | MPV | P | 2,500 | $14.15 | $35,375 | 18,512 Indirect | +15.61% | Acquired | 16.9% (price as of 2026-08-20) |
| June 19, 2012 | MPV | P | 700 | $14.20 | $9,940 | 55,088 Direct | +1.29% | Acquired | 16.5% (price as of 2026-08-20) |
| June 18, 2012 | MPV | P | 700 | $14.20 | $9,940 | 54,388 Direct | +1.30% | Acquired | 16.5% (price as of 2026-08-20) |
| June 18, 2012 | MPV | P | 1,000 | $14.35 | $14,350 | 53,688 Direct | +1.90% | Acquired | 15.3% (price as of 2026-08-20) |
| June 14, 2012 | DWSN | S | 4,000 | $10.10 | $40,400 | 1,818,969 Direct | -0.22% | Disposed | -89.9% (price as of 2026-08-20) |
| June 12, 2012 | DWSN | S | 2,500 | $10.07 | $25,175 | 1,822,969 Direct | -0.14% | Disposed | -89.8% (price as of 2026-08-20) |
| June 11, 2012 | DWSN | S | 500 | $10.07 | $5,035 | 1,825,469 Direct | -0.03% | Disposed | -89.8% (price as of 2026-08-20) |
| May 14, 2012 | MCI | P | 2,500 | $14.75 | $36,875 | 44,630 Direct | +5.93% | Acquired | 24.2% (price as of 2026-08-20) |
| May 11, 2012 | MPV | P | 4,000 | $13.83 | $55,320 | 52,688 Direct | +8.22% | Acquired | 19.6% (price as of 2026-08-20) |
| May 10, 2012 | DWSN | S | 950 | $10.65 | $10,118 | 1,739,021 Direct | -0.05% | Disposed | -90.4% (price as of 2026-08-20) |
| May 8, 2012 | MCI | P | 3,400 | $15.30 | $52,020 | 42,130 Direct | +8.78% | Acquired | 19.7% (price as of 2026-08-20) |
| May 7, 2012 | DWSN | S | 5,437 | $10.73 | $58,339 | 1,739,971 Direct | -0.31% | Disposed | -90.5% (price as of 2026-08-20) |
| April 23, 2012 | MCI | S | 500 | $16.07 | $8,035 | 38,130 Direct | +1.33% | Acquired | 14.0% (price as of 2026-08-20) |
Showing latest 100 of 176 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 |
|---|---|---|---|---|---|---|---|
| Oct. 6, 2014 | DWSN | Nonqualified Stock Option | Common Stock (21,979) | $3.52 | Dec. 3, 2014 | 21,979 | Disposed |
| July 31, 2014 | DWSN | Nonqualified Stock Option | Common Stock (37,500) | $3.93 | July 30, 2019 | 37,500 | Acquired |
| Dec. 18, 2013 | DWSN | Nonqualified Stock Option | Common Stock (19,797) | $7.18 | Dec. 18, 2018 | 19,797 | Acquired |
| Sept. 18, 2013 | DWSN | Nonqualified Stock Option | Common Stock | — | Oct. 22, 2013 | 26,812 | Disposed |
| Aug. 7, 2012 | DWSN | Nonqualified Stock Option | Common Stock (18,750) | $5.88 | Aug. 6, 2017 | 18,750 | Acquired |
| Feb. 29, 2012 | DWSN | Nonqualified Stock Option | Common Stock (10,989) | $8.38 | Sept. 18, 2012 | 10,989 | Disposed |
| Nov. 21, 2011 | DWSN | Nonqualified Stock Option | Common Stock (16,837) | $6.32 | Nov. 20, 2016 | 16,837 | Acquired |
| Dec. 4, 2009 | DWSN | Nonqualified Stock Option | Common Stock (18,987) | $4.07 | Dec. 3, 2014 | 18,987 | Acquired |
| Oct. 23, 2008 | DWSN | Nonqualified Stock Option | Common Stock (22,059) | $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 (1,465) | $6.81 | Oct. 10, 2010 | 70 | Acquired |
| April 25, 2006 | DWSN | Warrants (Series C2) | Common Stock (5,460) | $0.95 | Dec. 15, 2007 | 260 | Acquired |
| Oct. 12, 2005 | DWSN | Warrants | Common Stock (200,000) | $0.30 | July 31, 2009 | 200,000 | Disposed |
| Oct. 12, 2005 | DWSN | Warrants (Series A) | Common Stock | $0.20 | Sept. 10, 2012 | 371,000 | Disposed |
| Oct. 12, 2005 | DWSN | Warrants (Series A2) | Common Stock | $0.20 | June 11, 2013 | 162,329 | Disposed |
| Oct. 12, 2005 | DWSN | 8-1/2% Sr. Conv. Preferred Stock | Common Stock (709,200) | — | — | 709,200 | Disposed |
| Oct. 12, 2005 | DWSN | 8-1/2% Sr. Conv. Preferred Stock | Common Stock (75,500) | — | — | 75,500 | Disposed |
| Oct. 11, 2005 | DWSN | Non-Statutory Stock Option | Common Stock (10,000) | $1.00 | Dec. 11, 2005 | 10,000 | Disposed |
| Dec. 15, 2004 | DWSN | Warrants (Series C2) | Common Stock (5,200) | $1.00 | Dec. 15, 2007 | 5,200 | Acquired |
| Feb. 23, 2004 | DWSN | 8-1/2% Senior Convertible Preferred Stock | Common Stock (75,500) | — | — | 75,500 | Acquired |
| Feb. 23, 2004 | DWSN | 8-1/2% Senior Convertible Preferred Stock | Common Stock (709,200) | — | — | 709,200 | Acquired |
| Feb. 23, 2004 | DWSN | 8-1/2% Senior Convertible Preferred Stock | Common Stock (75,500) | — | — | 75,500 | Acquired |
| Feb. 23, 2004 | DWSN | 8-1/2% Senior Convertible Preferred Stock | Common Stock (709,200) | — | — | 709,200 | Acquired |
| June 12, 2003 | DWSN | Series A2 Warrants | Common Stock (150,000) | $0.20 | June 12, 2013 | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.