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| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2018-01-11 | 5.08% (3) | 2.51M | 5.08% |
| 2016-02-16 | of 9 Pages | 3.02M | 6.20% |
| 2016-02-16 | of 9 Pages | 3.12M | 6.40% |
| 2016-02-16 | of 9 Pages | 2.65M | 5.40% |
| 2016-02-16 | of 9 Pages | 28836.0 | 0.10% |
| 2016-02-16 | of 9 Pages | 2.62M | 5.40% |
| 2015-04-20 | EnerVest Management GP, L.C./76-0629541 | 155.6K | 1.00% |
| 2015-04-20 | John B. & Lisa A. Walker L.P. /76-0611813 | 2.01M | 4.10% |
| 2015-04-20 | EnerVest, Ltd./76-0378595 | 155.6K | 1.00% |
| 2015-04-20 | John B. Walker | 2.63M | 5.40% |
| 2015-02-17 | Brookfield Investment Management Inc. | 2.95M | 6.07% |
| 2015-01-30 | Page 4 of 9 Pages | 2.83M | 5.80% |
| 2015-01-30 | Page 6 of 9 Pages | 29986.0 | 0.10% |
| 2015-01-30 | Page 3 of 9 Pages | 3.2M | 6.60% |
| 2015-01-30 | Page 5 of 9 Pages | 2.8M | 5.80% |
| 2015-01-30 | Page 2 of 9 Pages | 3.3M | 6.80% |
| 2014-02-12 | Piper Jaffray Companies / 30-0168701 | 3.49M | 7.20% |
| 2012-02-14 | FMR LLC | 3.42M | 10.00% |
| 2012-02-14 | Edward C. Johnson 3d | 3.42M | 10.00% |
| 2009-11-27 | EVEC Holdings, | 518.1K | 2.20% |
| 2009-11-27 | John B. | 1.99M | 8.50% |
| 2009-11-27 | John B. & | 532.85K | 2.30% |
| 2009-11-27 | EnerVest | 1.35M | 5.80% |
| 2009-11-27 | EnerVest, | 1.35M | 5.80% |
| 2009-11-27 | EnerVest | 2013.0 | 1.00% |
| 2009-11-27 | EnerVest | 638.0 | 1.00% |
| 2008-02-05 | Deutsche Bank AG* | 797.68K | 6.73% |
| 2008-02-05 | Deutsche Bank AG, London Branch | 797.68K | 6.73% |
| 2007-03-09 | ZLP Fund, L.P. | 565.69K | 6.70% |
| 2007-03-09 | Zimmer Lucas Partners, LLC | 565.69K | 6.70% |
| 2007-03-09 | Zimmer Lucas Capital, LLC | 565.69K | 6.70% |
| 2007-03-09 | Stuart J. Zimmer | 565.69K | 6.70% |
| 2007-03-09 | Craig M. Lucas | 565.69K | 6.70% |
| 2006-10-10 | EnerVest Management Partners, Ltd./76-0378595 | 506.88K | 11.28% |
| 2006-10-10 | EnerVest Management GP, L.C./76-0629541 | 506.88K | 11.28% |
| 2006-10-10 | Jon Rex Jones | 506.88K | 11.28% |
| 2006-10-10 | A.V. Jones, Jr. | 506.88K | 11.28% |
| 2006-10-10 | EVEC Holdings, LLC/76-0378595 | 138.38K | 3.08% |
| 2006-10-10 | John B. Walker | 512.18K | 11.39% |
| 2006-10-10 | CGAS Holdings, LLC/31-4367246 | 343.26K | 7.63% |
| 2006-10-10 | CGAS Exploration, Inc./31-4367246 | 343.26K | 7.63% |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2022-12-31 | $6.00 | 1.03M | $6.2M | $10.34M | -$ | -$4.14M |
| 2021-12-31 | $21.00 | 1.03M | $21.69M | $15.34M | -$ | $6.35M |
| 2020-12-31 | $20.69 | 1.02M | $21.12M | $16.31M | $39000 | $4.85M |
| 2019-12-31 | $64.00 | 1.01M | $64.64M | $28.97M | $5.93M | $41.6M |
| 2018-12-31 | $179.80 | 1M | $180.52M | $6.31M | $125.04M | $299.24M |
| 2017-12-31 | $150.00 | 4.94M | $740.4M | $4.9M | $616.96M | $1.35B |
| 2016-12-31 | $150.00 | 4.9M | $735.75M | $5.56M | $606.95M | $1.34B |
| 2015-12-31 | $150.00 | 4.88M | $732.75M | $20.42M | $688.61M | $1.4B |
| 2014-12-31 | $150.00 | 4.86M | $728.4M | $8.26M | $1.04B | $1.76B |
| 2013-12-31 | $150.00 | 4.37M | $655.35M | $11.7M | $980.3M | $1.62B |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2022-12-31 | $6.00 | 1.03M | $6.2M | $10.34M | -$ | -$4.14M |
| 2022-09-30 | $4.09 | 1.03M | $4.21M | $10.26M | -$ | -$6.05M |
| 2022-06-30 | $6.00 | 1.03M | $6.16M | $10.66M | -$ | -$4.51M |
| 2022-03-31 | $6.00 | 1.03M | $6.16M | $16.27M | -$ | -$10.12M |
| 2021-12-31 | $21.00 | 1.03M | $21.55M | $15.34M | -$ | $6.2M |
| 2021-09-30 | $21.01 | 1.03M | $21.7M | $26.05M | -$ | -$4.34M |
| 2021-06-30 | $20.51 | 1.03M | $21.19M | $8.29M | -$ | $12.9M |
| 2021-03-31 | $22.50 | 1.03M | $23.24M | $10.18M | -$ | $13.07M |
| 2020-12-31 | $20.69 | 1.03M | $21.25M | $16.31M | $39000 | $4.97M |
| 2020-09-30 | $35.00 | 1.02M | $35.77M | $17.68M | $2.99M | $21.08M |
| 2020-06-30 | $21.00 | 1.02M | $21.4M | $30.93M | $2.97M | -$6.56M |
| 2020-03-31 | $29.90 | 1.02M | $30.44M | $29.64M | $2.05M | $2.85M |