| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/28/2023 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 13.6k | $38.46 | $521.8k | | 02/28/2023 |
| 02/28/2023 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 34.3k | $0.00 | $0 | | 02/28/2023 |
| 01/01/2023 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 11.9k | $0.00 | $0 | | 12/31/2022 |
| 12/31/2022 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 6.7k | $32.80 | $221.3k | | 12/31/2022 |
| 03/01/2022 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 140.6k | $0.00 | $0 | | 03/01/2022 |
| 03/01/2022 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 55.4k | $28.12 | $1.6M | | 03/01/2022 |
| 01/01/2022 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 13.7k | $0.00 | $0 | | 12/31/2021 |
| 12/31/2021 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 8k | $26.30 | $210.2k | | 12/31/2021 |
| 05/05/2021 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 17.1k | $0.00 | $0 | | 05/05/2021 |
| 03/02/2021 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 55.1k | $23.19 | $1.3M | | 03/02/2021 |
| 03/02/2021 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 140k | $0.00 | $0 | | 03/02/2021 |
| 12/31/2020 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 11.6k | $18.61 | $214.9k | | 12/31/2020 |
| 03/03/2020 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 13.1k | $0.00 | $0 | | 03/03/2020 |
| 03/03/2020 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 5.1k | $14.68 | $75.6k | | 03/03/2020 |
| 02/10/2020 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 2.1k | $13.42 | $28k | | 02/10/2020 |
| 01/01/2020 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 32.4k | $0.00 | $0 | | 01/01/2020 |
| 01/01/2020 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 20.7k | $0.00 | $0 | | 01/01/2020 |
| 12/31/2019 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 8.9k | $14.08 | $125k | | 12/31/2019 |
| 12/05/2019 | SemGroup Corp | SEMG | Disposition | Common Stock | 12k | $0.00 | $0 | GRAT | 12/05/2019 |
| 12/05/2019 | SemGroup Corp | SEMG | Disposition | Common STock | 31.2k | $0.00 | $0 | | 12/05/2019 |
| 06/01/2019 | SemGroup Corp | SEMG | Grant | Common Stock | 10.3k | $0.00 | $0 | | 06/01/2019 |
| 03/05/2019 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 9.9k | $0.00 | $0 | | 03/05/2019 |
| 03/05/2019 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 3.9k | $14.47 | $56.6k | | 03/05/2019 |
| 02/10/2019 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 2.1k | $13.09 | $26.8k | | 02/10/2019 |
| 01/16/2019 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 23.1k | $0.00 | $0 | | 01/16/2019 |
| 01/01/2019 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 3.7k | $10.89 | $40.6k | | 01/01/2019 |
| 12/31/2018 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 2.1k | $10.89 | $23k | | 12/31/2018 |
| 06/01/2018 | SemGroup Corp | SEMG | Grant | Common Stock | 5k | $0.00 | $0 | | 06/01/2018 |
| 03/01/2018 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 25.1k | $0.00 | $0 | | 03/01/2018 |
| 02/10/2018 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 2.4k | $12.57 | $29.8k | | 02/10/2018 |
| 01/17/2018 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 16.1k | $0.00 | $0 | | 01/17/2018 |
| 11/09/2017 | STERLING INFRASTRUCTURE, INC. | STRL | Payment of Exercise | Common Stock | 21k | $17.10 | $358.7k | | 11/09/2017 |
| 06/01/2017 | SemGroup Corp | SEMG | Grant | Common Stock | 3.6k | $0.00 | $0 | | 06/01/2017 |
| 02/10/2017 | STERLING INFRASTRUCTURE, INC. | STRL | Grant | Common Stock | 15.9k | $0.00 | $0 | | 02/10/2013 |
| 09/30/2016 | SemGroup Corp | SEMG | Grant | Common Stock | 3.9k | $0.00 | $0 | | 09/30/2016 |
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