Mark A. Vander Ploeg
Insider Reports History
- Location
- Menlo Park, CA
- Signature
- Mark A. Vander Ploeg
- All insider transactions
- Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date
Holdings reported by Mark A. Vander Ploeg:
| Company | Role | Class | Num Shares | Value | Price $ | Report Date | Ownership |
|---|---|---|---|---|---|---|---|
| DAWSON GEOPHYSICAL CO | Director | Dawson Geophysical Company-Common Stock $0.01 par value | 0 | $1.75 | 18 Jan 2022 | Direct | |
| DAWSON GEOPHYSICAL CO | Director | Dawson Geophysical Company-Common Stock $0.01 par value | 0 | $1.75 | 18 Jan 2022 | Through the Hermosa Trust dated November 3, 2015. |
Insider Reports Filed by Mark A. Vander Ploeg
| Symbol | Company | Period | Transactions | Value $ | Form Type | Role | Filing Time |
|---|---|---|---|---|---|---|---|
| DWSN | DAWSON GEOPHYSICAL CO | 18 Jan 2022 | 2 | -$158,865 | 4 | Director | 20 Jan 2022, 12:50 |
| DWSN | DAWSON GEOPHYSICAL CO | 30 Sep 2021 | 1 | $0 | 4 | Director | 01 Oct 2021, 12:13 |
| DWSN | DAWSON GEOPHYSICAL CO | 30 Jun 2021 | 1 | $0 | 4 | Director | 02 Jul 2021, 10:12 |