| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/02/2023 | Williams Industrial Services Group Inc. | WLMS | Grant | Common Stock, $0.01 par value per share | 85.8k | $0.00 | $0 | | 02/02/2023 |
| 02/03/2022 | Williams Industrial Services Group Inc. | WLMS | Grant | Common Stock, $0.01 par value per share | 48.6k | $0.00 | $0 | | 02/03/2022 |
| 06/08/2021 | Williams Industrial Services Group Inc. | WLMS | Purchase | Common Stock, $0.01 par value per share | 35k | $5.78 | $202.3k | | 06/08/2021 |
| 02/04/2021 | Williams Industrial Services Group Inc. | WLMS | Grant | Common Stock, $0.01 par value per share | 27.4k | $0.00 | $0 | | 02/04/2021 |
| 03/13/2020 | Williams Industrial Services Group Inc. | WLMS | Grant | Common Stock, $0.01 par value per share | 73.2k | $0.00 | $0 | | 03/13/2020 |
| 03/05/2020 | Williams Industrial Services Group Inc. | WLMS | Exercise | Common Stock, $0.01 par value per share | 37.1k | $1.30 | $48.2k | | 03/05/2020 |
| 03/05/2020 | Williams Industrial Services Group Inc. | WLMS | Exercise | Common Stock, $0.01 par value per share | 48.8k | $1.30 | $63.5k | | 03/05/2020 |
| 03/05/2020 | Williams Industrial Services Group Inc. | WLMS | Exercise | | 131.3k | $0.00 | $0 | | 03/05/2020 |
| 01/22/2019 | Williams Industrial Services Group Inc. | WLMS | Grant | Common Stock, $0.01 par value per share | 32.7k | $0.00 | $0 | | 01/22/2019 |
| 12/06/2018 | Williams Industrial Services Group Inc. | WLMS | Purchase | Common Stock, $0.01 par value per share | 10k | $2.20 | $22k | | 11/19/2018 |
| 12/03/2018 | Williams Industrial Services Group Inc. | WLMS | Purchase | Common Stock, $0.01 par value per share | 15k | $2.25 | $33.8k | | 11/19/2018 |
| 11/28/2018 | Williams Industrial Services Group Inc. | WLMS | Purchase | Common Stock, $0.01 par value per share | 5k | $2.25 | $11.2k | | 11/19/2018 |
| 11/19/2018 | Williams Industrial Services Group Inc. | WLMS | Purchase | Common Stock, $0.01 par value per share | 5k | $2.25 | $11.2k | | 11/19/2018 |
| 05/16/2018 | Williams Industrial Services Group Inc. | WLMS | Grant | Common Stock, $0.01 par value per share | 27.3k | $0.00 | $0 | | 05/16/2018 |
| 04/16/2018 | Williams Industrial Services Group Inc. | WLMS | Grant | Common Stock, $0.01 par value per share | 18.2k | $0.00 | $0 | | 04/16/2018 |
| 02/09/2015 | ASSURED GUARANTY LTD | AGO | Exercise | Performance Share Units | 5.6k | $0.00 | $0 | | 02/09/2015 |
| 02/09/2015 | ASSURED GUARANTY LTD | AGO | Payment of Exercise | Common Shares | 4.2k | $25.22 | $105.2k | | 02/09/2015 |
| 02/09/2015 | ASSURED GUARANTY LTD | AGO | Disposition | Common Shares | 0.0212 | $25.22 | $0.5 | | 02/09/2015 |
| 02/09/2015 | ASSURED GUARANTY LTD | AGO | Payment of Exercise | Common Shares | 2.5k | $25.22 | $63.8k | | 02/09/2015 |
| 12/03/2014 | ASSURED GUARANTY LTD | AGO | Grant | Common Shares | 28.8778 | $25.56 | $738.1 | | 12/03/2014 |
| 09/03/2014 | ASSURED GUARANTY LTD | AGO | Payment of Exercise | Common Shares | 69.9k | $24.41 | $1.7M | | 09/03/2014 |
| 09/03/2014 | ASSURED GUARANTY LTD | AGO | Exercise | Options to Acquire Common Shares | 80k | $18.03 | $1.4M | | 09/03/2014 |
| 09/03/2014 | ASSURED GUARANTY LTD | AGO | Grant | Common Shares | 30.1026 | $24.41 | $734.8 | | 09/03/2014 |
| 06/04/2014 | ASSURED GUARANTY LTD | AGO | Grant | Common Shares | 29.1705 | $25.08 | $731.6 | | 06/04/2014 |
| 03/05/2014 | ASSURED GUARANTY LTD | AGO | Grant | Common Shares | 61.9518 | $26.14 | $1.6k | | 03/05/2014 |
| 03/05/2014 | ASSURED GUARANTY LTD | AGO | Disposition | Common Shares | 0.0815 | $26.14 | $2.1 | | 03/05/2014 |
| 03/05/2014 | ASSURED GUARANTY LTD | AGO | Payment of Exercise | Common Shares | 18 | $26.14 | $470.5 | | 03/05/2014 |
| 02/24/2014 | ASSURED GUARANTY LTD | AGO | Disposition | Common Shares | 0.0059 | $23.68 | $0.1 | | 02/24/2014 |
| 02/24/2014 | ASSURED GUARANTY LTD | AGO | Payment of Exercise | Common Shares | 3k | $23.68 | $70.9k | | 02/24/2014 |
| 02/09/2014 | ASSURED GUARANTY LTD | AGO | Payment of Exercise | Common Shares | 2.5k | $22.17 | $56.2k | | 02/09/2014 |
| 02/09/2014 | ASSURED GUARANTY LTD | AGO | Disposition | Common Shares | 0.2201 | $22.17 | $4.9 | | 02/09/2014 |
| 02/05/2014 | ASSURED GUARANTY LTD | AGO | Grant | Common Shares | 12.8k | $0.00 | $0 | | 02/05/2014 |
| 02/05/2014 | ASSURED GUARANTY LTD | AGO | Grant | Performance Share Units | 11.1k | $0.00 | $0 | | 02/05/2014 |
| 12/05/2013 | ASSURED GUARANTY LTD | AGO | Grant | Common Shares | 88.2722 | $24.08 | $2.1k | | 12/05/2013 |
| 02/09/2013 | ASSURED GUARANTY LTD | AGO | Disposition | Common Shares | 0.5309 | $19.00 | $10.1 | | 02/09/2013 |
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