| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/16/2022 | POWELL INDUSTRIES INC | POWL | Grant | Common Stock | 1.2k | $0.01 | $12 | | 02/16/2022 |
| 03/04/2021 | OIL STATES INTERNATIONAL, INC | OIS | Sale | Common Stock | 33.6k | $8.49 | $285.1k | | 03/04/2021 |
| 03/01/2021 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 7.4k | $7.98 | $58.7k | | 03/01/2021 |
| 03/01/2021 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 7.5k | $7.98 | $59.5k | | 03/01/2021 |
| 02/26/2021 | POWELL INDUSTRIES INC | POWL | Grant | Common Stock | 1.2k | $0.01 | $12 | | 02/26/2021 |
| 02/26/2021 | POWELL INDUSTRIES INC | POWL | Grant | Restricted Stock | 1.2k | $0.01 | $12 | | 02/26/2021 |
| 02/19/2021 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 7.4k | $6.71 | $49.3k | | 02/19/2021 |
| 02/14/2021 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 4.6k | $6.38 | $29.1k | | 02/13/2021 |
| 02/13/2021 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 7.5k | $6.38 | $47.6k | | 02/13/2021 |
| 01/07/2021 | OIL STATES INTERNATIONAL, INC | OIS | Grant | Common Stock | 13k | $0.00 | $0 | | 01/07/2021 |
| 01/07/2021 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 5.8k | $6.55 | $38.1k | | 01/07/2021 |
| 02/19/2020 | POWELL INDUSTRIES INC | POWL | Grant | Restricted Stock | 1.2k | $0.01 | $12 | | 02/19/2020 |
| 02/19/2020 | POWELL INDUSTRIES INC | POWL | Grant | Common Stock | 1.2k | $0.01 | $12 | | 02/19/2020 |
| 02/19/2020 | OIL STATES INTERNATIONAL, INC | OIS | Grant | Common Stock | 56.1k | $0.00 | $0 | | 02/19/2020 |
| 02/15/2020 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 2.9k | $10.85 | $31.5k | | 02/13/2020 |
| 02/14/2020 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 4.9k | $10.85 | $53.3k | | 02/13/2020 |
| 02/13/2020 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 8k | $10.79 | $86.6k | | 02/13/2020 |
| 01/09/2020 | OIL STATES INTERNATIONAL, INC | OIS | Grant | Common Stock | 16.9k | $0.00 | $0 | | 01/09/2020 |
| 01/09/2020 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 7k | $15.87 | $111.3k | | 01/09/2020 |
| 12/11/2019 | POWELL INDUSTRIES INC | POWL | Gift | Common Stock | 2k | $0.00 | $0 | | 12/11/2019 |
| 04/29/2019 | OIL STATES INTERNATIONAL, INC | OIS | Sale | Common Stock | 3k | $20.43 | $61.3k | | 04/29/2019 |
| 02/20/2019 | POWELL INDUSTRIES INC | POWL | Grant | Common Stock | 1000 | $0.01 | $10 | | 02/20/2019 |
| 02/20/2019 | POWELL INDUSTRIES INC | POWL | Grant | Restricted Stock | 1000 | $0.01 | $10 | | 02/20/2019 |
| 02/20/2019 | POWELL INDUSTRIES INC | POWL | Grant | Common Stock | 1000 | $0.01 | $10 | | 02/20/2019 |
| 02/20/2019 | POWELL INDUSTRIES INC | POWL | Grant | Restricted Stock | 1000 | $0.01 | $10 | | 02/20/2019 |
| 02/18/2019 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 1.1k | $18.30 | $20k | | 02/15/2019 |
| 02/17/2019 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 3.2k | $18.30 | $58.3k | | 02/15/2019 |
| 02/15/2019 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 2.7k | $18.30 | $49.4k | | 02/15/2019 |
| 02/14/2019 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 4.6k | $17.21 | $78.5k | | 02/13/2019 |
| 02/13/2019 | OIL STATES INTERNATIONAL, INC | OIS | Grant | Common Stock | 56.9k | $0.00 | $0 | | 02/13/2019 |
| 01/04/2019 | OIL STATES INTERNATIONAL, INC | OIS | Grant | Common Stock | 15k | $0.00 | $0 | | 01/04/2019 |
| 01/04/2019 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 6.3k | $16.49 | $103.5k | | 01/04/2019 |
| 06/15/2018 | POWELL INDUSTRIES INC | POWL | Gift | Common Stock | 2k | $0.00 | $0 | | 06/15/2018 |
| 02/21/2018 | POWELL INDUSTRIES INC | POWL | Grant | Common Stock | 1000 | $0.01 | $10 | | 02/21/2018 |
| 02/19/2018 | OIL STATES INTERNATIONAL, INC | OIS | Payment of Exercise | Common Stock | 928 | $27.30 | $25.3k | | 02/17/2018 |
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