| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NEX | NEXTIER OILFIELD SOLUTIONS INC. | NGO BURNS LAMPHUNG | Former CAO | Jan 04, 2022 | Option Exercise | $4.90 | 5,889 | 28,856 | 63,776 | Jan 20, 2022, 04:43 PM | |
| NEX | NEXTIER OILFIELD SOLUTIONS INC. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Jan 02, 2022 | Option Exercise | $3.55 | 3,654 | 12,972 | 49,269 | Jan 06, 2022, 05:22 PM | |
| NEX | NEXTIER OILFIELD SOLUTIONS INC. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Jan 04, 2022 | Option Exercise | $4.90 | 6,048 | 29,635 | 63,617 | Jan 06, 2022, 05:22 PM | |
| NEX | NEXTIER OILFIELD SOLUTIONS INC. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Sep 15, 2021 | Sale | $4.14 | 25,000 | 103,587 | 40,600 | Sep 16, 2021, 09:43 AM | |
| NEX | NEXTIER OILFIELD SOLUTIONS INC. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Aug 07, 2021 | Option Exercise | $3.81 | 4,554 | 17,351 | 65,600 | Aug 10, 2021, 02:52 PM | |
| NEX | NEXTIER OILFIELD SOLUTIONS INC. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Feb 27, 2021 | Option Exercise | $4.65 | 1,969 | 9,156 | 49,264 | Mar 02, 2021, 12:00 AM | |
| NEX | NEXTIER OILFIELD SOLUTIONS INC. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Mar 01, 2021 | Option Exercise | $5.00 | 844 | 4,220 | 51,454 | Mar 02, 2021, 12:00 AM | |
| NEX | NEXTIER OILFIELD SOLUTIONS INC. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Jan 02, 2021 | Option Exercise | $3.44 | 3,765 | 12,952 | 44,594 | Jan 04, 2021, 06:19 PM | |
| FRAC | Keane Group, Inc. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Mar 01, 2019 | Option Exercise | $11.17 | 795 | 8,880 | 13,231 | Mar 05, 2019, 06:07 PM | |
| FRAC | Keane Group, Inc. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Jan 20, 2019 | Option Exercise | $9.59 | 2,300 | 22,057 | 10,993 | Jan 23, 2019, 05:47 PM | |
| FRAC | Keane Group, Inc. | NGO BURNS LAMPHUNG | Chief Accounting Officer | Jan 20, 2018 | Option Exercise | $17.80 | 2,215 | 39,427 | 5,539 | Jan 23, 2018, 06:59 PM | |
| XJT | EXPRESSJET HOLDINGS INC | NGO BURNS LAMPHUNG | Vice President and CFO | Nov 12, 2010 | Option Exercise | $6.75 | 70,827 | 478,082 | 62,147 | Nov 12, 2010, 02:19 PM |
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