Herbert M. Gardner serves as Executive at TGC INDUSTRIES INC, where they oversee executive responsibilities. Since joining the company, Herbert M. Gardner has executed 117 insider transactions totaling $5.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Apr 21, 2020 involved receiving (via award) 100,000 shares valued at $0.
Herbert M. Gardner currently holds 4,414,357 shares of TGC INDUSTRIES INC (TGE), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Herbert M. Gardner has been a net seller of TGE stock. They have purchased $324.8K and sold $5.0M worth of shares.
Herbert M. Gardner's most recent insider trade was on Apr 21, 2020, when they sold 100,000 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Dec 31, 2018 | CPKA | $0 | Option Exercise | 3,087,060 | $N/A | Discretionary |
| Dec 31, 2018 | CPKA | $0 | Option Exercise | 548,236 | $N/A | Discretionary |
| Sep 27, 2017 | STS | $20.3K | Tender | 969 | $21.00 | Discretionary |
| Sep 27, 2017 | STS | $12.3M | Tender | 587,862 | $21.00 | Discretionary |
| Sep 27, 2017 | STS | $5.9M | Tender | 280,289 | $21.00 | Discretionary |
| Sep 27, 2017 | STS | $1.4M | Tender | 66,516 | $21.00 | Discretionary |
| Nov 16, 2016 | STS | $66.9K | Payment | 4,604 | $14.53 | Discretionary |
| Nov 16, 2016 | STS | $66.8K | Option Exercise | 31,500 | $2.12 | Discretionary |
| Sep 8, 2016 | STS | $175.3K | Sale | 10,000 | $17.53 | Discretionary |
| Sep 2, 2016 | STS | $534.4K | Sale | 30,696 | $17.41 | Discretionary |
| Sep 1, 2016 | STS | $434.2K | Sale | 25,040 | $17.34 | Discretionary |
| Aug 16, 2016 | STS | $1.7K | Sale | 100 | $16.93 | Discretionary |
| Aug 16, 2016 | STS | $656.5K | Sale | 40,979 | $16.02 | Discretionary |
| Aug 15, 2016 | STS | $63.8K | Sale | 4,020 | $15.88 | Discretionary |
| Aug 11, 2016 | STS | $30.8K | Sale | 1,921 | $16.02 | Discretionary |
| Aug 9, 2016 | STS | $6.4K | Sale | 399 | $16.00 | Discretionary |
| Aug 8, 2016 | STS | $57.3K | Sale | 3,580 | $16.00 | Discretionary |
| Jul 29, 2016 | STS | $8.4K | Sale | 500 | $16.84 | Discretionary |
| Jul 27, 2016 | STS | $59.7K | Sale | 3,550 | $16.81 | Discretionary |
| Jul 26, 2016 | STS | $146.7K | Sale | 8,750 | $16.77 | Discretionary |
| Jun 30, 2016 | STS | $267.8K | Sale | 19,748 | $13.56 | Discretionary |
| Jun 6, 2016 | STS | $180.2K | Sale | 13,300 | $13.55 | Discretionary |
| Jun 3, 2016 | STS | $112.4K | Sale | 8,400 | $13.38 | Discretionary |
| May 31, 2016 | STS | $4.0K | Sale | 300 | $13.33 | Discretionary |
| May 27, 2016 | STS | $108.4K | Sale | 8,293 | $13.07 | Discretionary |
| May 20, 2016 | STS | $5.9K | Sale | 452 | $13.01 | Discretionary |
| May 18, 2016 | STS | $12.3K | Sale | 946 | $13.01 | Discretionary |
| May 17, 2016 | STS | $4.0K | Sale | 309 | $13.01 | Discretionary |