Form4insider filings, from the source

Insider · CIK 0001604461

Mark A Vander Ploeg

Files at: DWSN, DWSN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Dec 31, 2018 AForm 4 →Jan 3, 2019, 12:39 pm ESTDAWSON GEOPHYSICAL CODWSN3,848——40,640— plan?
Sep 28, 2018 AForm 4 →Oct 2, 4:24 pm EDTDAWSON GEOPHYSICAL CODWSN2,230——36,792— plan?
Jun 29, 2018 AForm 4 →Jul 2, 6:08 pm EDTDAWSON GEOPHYSICAL CODWSN1,600$7.89$12,62434,562— plan?
Mar 29, 2018 AForm 4 →Apr 2, 2:57 pm EDTDAWSON GEOPHYSICAL CODWSN1,788——31,393— plan?
Dec 29, 2017 AForm 4 →Jan 2, 2018, 4:40 pm ESTDAWSON GEOPHYSICAL CODWSN2,318——29,605— plan?
Sep 30, 2017 AForm 4 →Oct 3, 2:55 pm EDTDAWSON GEOPHYSICAL CODWSN2,600——27,287— plan?
Jun 30, 2017 AForm 4 →Jul 5, 7:03 pm EDTDAWSON GEOPHYSICAL CODWSN2,946——24,687— plan?
Mar 31, 2017 AForm 4 →Apr 3, 6:35 pm EDTDAWSON GEOPHYSICAL CODWSN2,072——21,741— plan?
Dec 31, 2016 AForm 4 →Jan 3, 2017, 12:59 pm ESTDAWSON GEOPHYSICAL CODWSN1,429——28,029— plan?
Sep 30, 2016 AForm 4 →Oct 4, 11:19 am EDTDAWSON GEOPHYSICAL CODWSN1,612——26,600— plan?
Jun 30, 2016 AForm 4 →Jul 1, 1:21 pm EDTDAWSON GEOPHYSICAL CODWSN1,487——24,988— plan?
Mar 28, 2016 AForm 4 →Apr 13, 11:42 am EDTDAWSON GEOPHYSICAL CODWSN2,444——23,501— plan? late
Dec 1, 2015 AForm 4/A →Dec 3, 6:06 pm ESTDAWSON GEOPHYSICAL CODWSN9,933——21,057— plan?
Dec 1, 2015 AForm 4 →Dec 2, 5:58 pm ESTDAWSON GEOPHYSICAL CODWSN9,933——21,057— plan? amended
Feb 11, 2015 AForm 4/A →Mar 14, 2017, 2:41 pm EDTDAWSON GEOPHYSICAL CODWSN2,764——2,764— plan?
Feb 11, 2015 AForm 4 →Feb 12, 4:19 pm ESTDAWSON GEOPHYSICAL CODWSN11,124——0— plan? amended
Feb 11, 2015 DForm 4 →Feb 12, 4:09 pm ESTDAWSON OPERATING CODWSN6,321——0— plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.