Last 12 months
Inside the activity.
0 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| February 15, 2019 Filed Feb 19, 2019 17:43 UTC |
JUMPER STEPHEN CDirector · President/CEO
|
Tax withholdingDawson Geophysical Company-Common Stock $0.01 par value | 13,282 | $3.87 | $51,334.93 |
DisclosureSEC source: 0001104659-19-009236 · a4.xml · nonDerivative · entry 1 JUMPER STEPHEN C · CIK 0001210224 · Director · President/CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 235,316 F1 · shares: Represents the surrender of shares of Common Stock to satisfy tax withholding obligations in connection with the vesting of restricted stock issued to the Reporting Person under the Amended and Restated Dawson Geophysical Company 2006 Stock and Performance Incentive Plan. Read SEC document |
| February 15, 2019 Filed Feb 19, 2019 17:42 UTC |
Brata James KevinEVP, Chief Financial Officer
|
Tax withholdingDawson Geophysical Company-Common Stock $0.01 par value | 4,966 | $3.87 | $19,193.59 |
DisclosureSEC source: 0001104659-19-009235 · a4.xml · nonDerivative · entry 1 Brata James Kevin · CIK 0001437972 · EVP, Chief Financial Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 70,337 F1 · shares: Represents the surrender of shares of Common Stock to satisfy tax withholding obligations in connection with the vesting of restricted stock issued to the Reporting Person under the Amended and Restated Dawson Geophysical Company 2006 Stock and Performance Incentive Plan. Read SEC document |
| December 31, 2018 Filed Jan 3, 2019 17:39 UTC |
Klofas Michael LDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 3,409 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-19-000382 · a4.xml · nonDerivative · entry 1 Klofas Michael L · CIK 0001676043 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 14,811 Read SEC document |
| December 31, 2018 Filed Jan 3, 2019 17:39 UTC |
Vander Ploeg Mark ADirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 3,848 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-19-000384 · a4.xml · nonDerivative · entry 1 Vander Ploeg Mark A · CIK 0001604461 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 40,640 Read SEC document |
| December 31, 2018 Filed Jan 3, 2019 17:38 UTC |
HOOVER GARY MDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 3,409 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-19-000381 · a4.xml · nonDerivative · entry 1 HOOVER GARY M · CIK 0001212387 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 65,349 Read SEC document |
| December 31, 2018 Filed Jan 3, 2019 17:39 UTC |
North Ted RDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 3,739 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-19-000383 · a4.xml · nonDerivative · entry 1 North Ted R · CIK 0001442058 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 58,563 Read SEC document |
| December 31, 2018 Filed Jan 3, 2019 17:38 UTC |
COOPER CRAIG WDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 3,409 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-19-000380 · a4.xml · nonDerivative · entry 1 COOPER CRAIG W · CIK 0001506912 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 68,230 Read SEC document |
| December 31, 2018 Filed Jan 3, 2019 17:37 UTC |
BARRETT WILLIAM JDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 3,629 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-19-000379 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 766,333 Read SEC document |
| September 28, 2018 Filed Oct 2, 2018 20:24 UTC |
North Ted RDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 2,170 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-060008 · a4.xml · nonDerivative · entry 1 North Ted R · CIK 0001442058 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 54,824 Read SEC document |
| September 28, 2018 Filed Oct 2, 2018 20:24 UTC |
Vander Ploeg Mark ADirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 2,230 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-060009 · a4.xml · nonDerivative · entry 1 Vander Ploeg Mark A · CIK 0001604461 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 36,792 Read SEC document |
| September 28, 2018 Filed Oct 2, 2018 20:24 UTC |
COOPER CRAIG WDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,868 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-060007 · a4.xml · nonDerivative · entry 1 COOPER CRAIG W · CIK 0001506912 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 64,821 Read SEC document |
| September 28, 2018 Filed Oct 2, 2018 20:24 UTC |
BARRETT WILLIAM JDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,989 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-060005 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 762,704 Read SEC document |
| September 28, 2018 Filed Oct 2, 2018 20:24 UTC |
Klofas Michael LDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,989 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-060004 · a4.xml · nonDerivative · entry 1 Klofas Michael L · CIK 0001676043 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 11,402 Read SEC document |
| September 28, 2018 Filed Oct 2, 2018 20:24 UTC |
HOOVER GARY MDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,989 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-060003 · a4.xml · nonDerivative · entry 1 HOOVER GARY M · CIK 0001212387 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 61,940 Read SEC document |
| August 15, 2018 Filed Aug 16, 2018 21:32 UTC |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 6,600 | $5.50 | $36,300.00 |
DisclosureSEC source: 0001104659-18-052485 · a4.xml · nonDerivative · entry 2 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 760,715 Read SEC document |
| August 15, 2018 Filed Aug 16, 2018 21:32 UTC |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 10,000 | $5.70 | $57,000.00 |
DisclosureSEC source: 0001104659-18-052485 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 754,115 Read SEC document |
| August 13, 2018 Filed Aug 14, 2018 18:42 UTC |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 15,000 | $5.75 | $86,250.00 |
DisclosureSEC source: 0001104659-18-051906 · a4.xml · nonDerivative · entry 2 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 744,115 Read SEC document |
| August 13, 2018 Filed Aug 14, 2018 18:42 UTC |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 3,280 | $5.80 | $19,024.00 |
DisclosureSEC source: 0001104659-18-051906 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 729,115 Read SEC document |
| August 13, 2018 Filed Jan 18, 2019 15:17 UTC Amendment |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 15,000 | $5.75 | $86,250.00 |
DisclosureSEC source: 0001104659-19-002420 · a4a.xml · nonDerivative · entry 2 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 744,065 Read SEC document |
| August 13, 2018 Filed Jan 18, 2019 15:17 UTC Amendment |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 3,230 | $5.80 | $18,734.00 |
DisclosureSEC source: 0001104659-19-002420 · a4a.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 729,065 F1 · shares: This Form 4/A amends the Form 4 filed by the Reporting Person on August 14, 2018 (the "Form 4"). The amount of securities acquired by Reporting Person inadvertently included an additional 50 shares of common stock acquired by Reporting Person for $5.80 and reported on August 10, 2018. Read SEC document |
| August 10, 2018 Filed Aug 13, 2018 18:05 UTC |
WHITENER WAYNE ADirector
|
Tax withholdingDawson Geophysical Company-Common Stock $0.01 par value | 1,155 | $5.92 | $6,837.60 |
DisclosureSEC source: 0001104659-18-051440 · a4.xml · nonDerivative · entry 1 WHITENER WAYNE A · CIK 0001249462 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 52,832 F1 · shares: Represents the surrender of shares of Common Stock to satisfy tax withholding obligations in connection with the vesting of restricted stock issued to the Reporting Person under the Amended and Restated Dawson Geophysical Company 2006 Stock and Performance Incentive Plan. Read SEC document |
| August 08, 2018 Filed Aug 10, 2018 14:51 UTC |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 50 | $5.80 | $290.00 |
DisclosureSEC source: 0001104659-18-051105 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 725,835 Read SEC document |
| August 06, 2018 Filed Aug 8, 2018 16:53 UTC |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 1,720 | $5.80 | $9,976.00 |
DisclosureSEC source: 0001104659-18-050440 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 725,785 F1 · balance_after: Total reflects the removal of one additional share of common stock due to rounding error, adjusting total to 725,785. Read SEC document |
| June 29, 2018 Filed Jul 2, 2018 22:08 UTC |
Vander Ploeg Mark ADirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,600 | $7.89 | $12,624.00 |
DisclosureSEC source: 0001104659-18-043607 · a4.xml · nonDerivative · entry 1 Vander Ploeg Mark A · CIK 0001604461 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 34,562 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| June 29, 2018 Filed Jul 2, 2018 22:08 UTC |
COOPER CRAIG WDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,489 | $7.89 | $11,748.21 |
DisclosureSEC source: 0001104659-18-043606 · a4.xml · nonDerivative · entry 1 COOPER CRAIG W · CIK 0001506912 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 62,953 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| June 29, 2018 Filed Jul 2, 2018 22:08 UTC |
BARRETT WILLIAM JDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,568 | $7.89 | $12,371.52 |
DisclosureSEC source: 0001104659-18-043605 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 724,066 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| June 29, 2018 Filed Jul 2, 2018 22:07 UTC |
North Ted RDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,615 | $7.89 | $12,742.35 |
DisclosureSEC source: 0001104659-18-043604 · a4.xml · nonDerivative · entry 1 North Ted R · CIK 0001442058 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 52,654 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| June 29, 2018 Filed Jul 2, 2018 22:07 UTC |
Klofas Michael LDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,013 | $7.89 | $7,992.57 |
DisclosureSEC source: 0001104659-18-043603 · a4.xml · nonDerivative · entry 1 Klofas Michael L · CIK 0001676043 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 9,413 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| June 29, 2018 Filed Jul 2, 2018 22:07 UTC |
HOOVER GARY MDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,520 | $7.89 | $11,992.80 |
DisclosureSEC source: 0001104659-18-043602 · a4.xml · nonDerivative · entry 1 HOOVER GARY M · CIK 0001212387 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 59,951 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| June 29, 2018 Filed Jul 6, 2018 15:41 UTC Amendment |
BARRETT WILLIAM JDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,568 | $7.89 | $12,371.52 |
DisclosureSEC source: 0001104659-18-044131 · a4a.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 724,066 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| May 30, 2018 Filed Jun 1, 2018 20:12 UTC |
MCINNES ALLEN TDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 5,000 | $7.10 | $35,475.00 |
DisclosureSEC source: 0001104659-18-037613 · a4.xml · nonDerivative · entry 1 MCINNES ALLEN T · CIK 0001182279 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 386,937 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| May 30, 2018 Filed Jun 1, 2018 20:11 UTC |
JUMPER STEPHEN CDirector · President/CEO
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 36,000 | $7.10 | $255,420.00 |
DisclosureSEC source: 0001104659-18-037612 · a4.xml · nonDerivative · entry 1 JUMPER STEPHEN C · CIK 0001210224 · Director · President/CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 248,598 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| May 30, 2018 Filed Jun 1, 2018 20:10 UTC |
Brata James KevinEVP, Chief Financial Officer
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 21,000 | $7.10 | $148,995.00 |
DisclosureSEC source: 0001104659-18-037608 · a4.xml · nonDerivative · entry 1 Brata James Kevin · CIK 0001437972 · EVP, Chief Financial Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 75,303 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| May 30, 2018 Filed Jun 1, 2018 20:10 UTC |
Thomas James WEVP, Chief Technical Officer
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 15,000 | $7.10 | $106,425.00 |
DisclosureSEC source: 0001104659-18-037606 · a4.xml · nonDerivative · entry 1 Thomas James W · CIK 0001410418 · EVP, Chief Technical Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 64,690 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| May 30, 2018 Filed Jun 1, 2018 20:09 UTC |
TOBIAS C RAYEVP, Chief Operating Officer
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 21,000 | $7.10 | $148,995.00 |
DisclosureSEC source: 0001104659-18-037602 · a4.xml · nonDerivative · entry 1 TOBIAS C RAY · CIK 0001210507 · EVP, Chief Operating Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 132,000 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| May 30, 2018 Filed Jun 1, 2018 20:09 UTC |
WHITENER WAYNE ADirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 7,000 | $7.10 | $49,665.00 |
DisclosureSEC source: 0001104659-18-037598 · a4.xml · nonDerivative · entry 1 WHITENER WAYNE A · CIK 0001249462 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 53,987 F1 · balance_after: On May 29, 2018, the Company paid a 5% stock dividend (or 0.05 share for each share outstanding) on the outstanding shares of common stock of the Company, par value $0.01 per share. The amount of securities beneficially owned referenced within this Form 4 has been adjusted for the 5% stock dividend. Read SEC document |
| March 29, 2018 Filed Apr 2, 2018 18:57 UTC |
Vander Ploeg Mark ADirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,788 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-021770 · a4.xml · nonDerivative · entry 1 Vander Ploeg Mark A · CIK 0001604461 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 31,393 Read SEC document |
| March 29, 2018 Filed Apr 2, 2018 18:57 UTC |
North Ted RDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,961 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-021769 · a4.xml · nonDerivative · entry 1 North Ted R · CIK 0001442058 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 48,609 Read SEC document |
| March 29, 2018 Filed Apr 2, 2018 18:54 UTC |
HOOVER GARY MDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,961 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-021766 · a4.xml · nonDerivative · entry 1 HOOVER GARY M · CIK 0001212387 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 55,649 Read SEC document |
| March 29, 2018 Filed Apr 2, 2018 18:57 UTC |
MCINNES ALLEN TDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,788 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-021768 · a4.xml · nonDerivative · entry 1 MCINNES ALLEN T · CIK 0001182279 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 363,750 Read SEC document |
| March 29, 2018 Filed Apr 2, 2018 18:53 UTC |
COOPER CRAIG WDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,846 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-021765 · a4.xml · nonDerivative · entry 1 COOPER CRAIG W · CIK 0001506912 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 58,538 Read SEC document |
| March 29, 2018 Filed Apr 2, 2018 18:52 UTC |
BARRETT WILLIAM JDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 1,903 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-021763 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 688,094 Read SEC document |
| December 29, 2017 Filed Jan 2, 2018 21:40 UTC |
Vander Ploeg Mark ADirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 2,318 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-000252 · a4.xml · nonDerivative · entry 1 Vander Ploeg Mark A · CIK 0001604461 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 29,605 Read SEC document |
| December 29, 2017 Filed Jan 2, 2018 21:40 UTC |
MCINNES ALLEN TDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 2,318 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-000251 · a4.xml · nonDerivative · entry 1 MCINNES ALLEN T · CIK 0001182279 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 361,962 Read SEC document |
| December 29, 2017 Filed Jan 2, 2018 21:35 UTC |
HOOVER GARY MDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 2,542 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-000247 · a4.xml · nonDerivative · entry 1 HOOVER GARY M · CIK 0001212387 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 53,688 Read SEC document |
| December 29, 2017 Filed Jan 2, 2018 21:30 UTC |
COOPER CRAIG WDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 2,392 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-000238 · a4.xml · nonDerivative · entry 1 COOPER CRAIG W · CIK 0001506912 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 56,692 Read SEC document |
| December 29, 2017 Filed Jan 2, 2018 21:20 UTC |
North Ted RDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 2,542 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-000231 · a4.xml · nonDerivative · entry 1 North Ted R · CIK 0001442058 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 46,648 Read SEC document |
| December 29, 2017 Filed Jan 2, 2018 21:18 UTC |
BARRETT WILLIAM JDirector
|
GrantDawson Geophysical Company-Common Stock $0.01 par value | 2,467 | $0.00 | $0.00 |
DisclosureSEC source: 0001104659-18-000228 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 681,191 Read SEC document |
| December 15, 2017 Filed Dec 18, 2017 17:09 UTC |
BARRETT WILLIAM JDirector
|
PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 195 | $4.68 | $912.60 |
DisclosureSEC source: 0001104659-17-073801 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 74,444 F1 · balance_after: Reporting Person disclaims beneficial ownership of common stock owned by spouse. Read SEC document |
| December 12, 2017 Filed Dec 13, 2017 19:21 UTC |
BARRETT WILLIAM JDirector
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PurchaseDawson Geophysical Company-Common Stock $0.01 par value | 5,000 | $4.75 | $23,750.00 |
DisclosureSEC source: 0001104659-17-073098 · a4.xml · nonDerivative · entry 1 BARRETT WILLIAM J · CIK 0000923415 · Director 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 74,249 F1 · balance_after: Reporting Person disclaims beneficial ownership of common stock owned by spouse. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.