| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 07/12/2023 | NextDecade Corp. | NEXT | Exercise | Series C Convertible Preferred Stock | 16.1k | $0.00 | $0 | See notes | 07/12/2023 |
| 07/12/2023 | NextDecade Corp. | NEXT | Exercise | Series B Convertible Preferred Stock | 8.3k | $0.00 | $0 | See notes | 07/12/2023 |
| 07/12/2023 | NextDecade Corp. | NEXT | Exercise | Series A Convertible Preferred Stock | 18.2k | $0.00 | $0 | See notes | 07/12/2023 |
| 05/24/2022 | NextDecade Corp. | NEXT | Exercise | Common Stock, $ 0.0001 par value | 124.6k | $0.00 | $0 | See notes | 05/24/2022 |
| 05/24/2022 | NextDecade Corp. | NEXT | Payment of Exercise | Common Stock, $ 0.0001 par value | 182 | $0.00 | $0 | See notes | 05/24/2022 |
| 05/24/2022 | NextDecade Corp. | NEXT | Exercise | Series B Warrants | 124.6k | $0.01 | $1.2k | See footnotes | 05/24/2022 |
| 03/17/2021 | NextDecade Corp. | NEXT | Grant | Series C Convertible Preferred Stock | 12.2k | $1,000.00 | $12.2M | See footnotes | 03/17/2021 |
| 03/17/2021 | NextDecade Corp. | NEXT | Grant | Series C Warrants | 253.9k | $0.00 | $0 | See footnotes | 03/17/2021 |
| 03/17/2021 | NextDecade Corp. | NEXT | Grant | Series C Convertible Preferred Stock | 12.2k | $1,000.00 | $12.2M | See footnotes | 03/17/2021 |
| 03/17/2021 | NextDecade Corp. | NEXT | Grant | Series C Warrants | 253.9k | $0.00 | $0 | See footnotes | 03/17/2021 |
| 11/06/2020 | NextDecade Corp. | NEXT | Other (disposition) | Common Stock, $ 0.0001 par value | 3.5M | $0.00 | $0 | See footnotes | 11/06/2020 |
| 06/30/2019 | NextDecade Corp. | NEXT | Disposition | Common Stock, $ 0.0001 par value | 2.8M | $0.00 | $0 | See footnotes | 06/30/2019 |
| 06/30/2019 | NextDecade Corp. | NEXT | Disposition | Common Stock, $ 0.0001 par value | 2.8M | $0.00 | $0 | See footnotes | 06/30/2019 |
| 05/17/2019 | NextDecade Corp. | NEXT | Grant | Series B Convertible Preferred Stock | 5.1k | $1,000.00 | $5.1M | See footnote | 05/17/2019 |
| 05/17/2019 | NextDecade Corp. | NEXT | Grant | Series B Warrants | 89.2k | $0.00 | $0 | See footnote | 05/17/2019 |
| 12/31/2018 | NextDecade Corp. | NEXT | Disposition | Common Stock, $ 0.0001 par value | 2.8M | $0.00 | $0 | See footnotes | 12/31/2018 |
| 12/31/2018 | NextDecade Corp. | NEXT | Disposition | Common Stock, $ 0.0001 par value | 2.8M | $0.00 | $0 | See footnotes | 12/31/2018 |
| 08/09/2018 | NextDecade Corp. | NEXT | Grant | Series A Convertible Preferred Stock | 10.1k | $1,000.00 | $10.1M | See footnotes | 08/09/2018 |
| 08/09/2018 | NextDecade Corp. | NEXT | Grant | Warrants | 154.5k | $0.00 | $0 | See footnotes | 08/09/2018 |
| 08/09/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 56.9k | $0.00 | $0 | See footnotes | 08/09/2018 |
| 08/09/2018 | NextDecade Corp. | NEXT | Grant | Series A Convertible Preferred Stock | 10.1k | $1,000.00 | $10.1M | See footnotes | 08/09/2018 |
| 08/09/2018 | NextDecade Corp. | NEXT | Grant | Warrants | 154.5k | $0.00 | $0 | See footnotes | 08/09/2018 |
| 08/09/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 56.9k | $0.00 | $0 | See footnotes | 08/09/2018 |
| 07/11/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 24.1k | $0.00 | $0 | See footnotes | 07/11/2018 |
| 07/11/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 24.1k | $0.00 | $0 | See footnotes | 07/11/2018 |
| 06/30/2018 | NextDecade Corp. | NEXT | Disposition | Common Stock, $ 0.0001 par value | 5.6M | $0.00 | $0 | See footnotes | 06/30/2018 |
| 06/30/2018 | NextDecade Corp. | NEXT | Disposition | Common Stock, $ 0.0001 par value | 5.6M | $0.00 | $0 | See footnotes | 06/30/2018 |
| 06/11/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 24.1k | $0.00 | $0 | See footnotes | 06/11/2018 |
| 06/11/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 24.1k | $0.00 | $0 | See footnotes | 06/11/2018 |
| 05/12/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 24.1k | $0.00 | $0 | See footnotes | 05/12/2018 |
| 05/12/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 24.1k | $0.00 | $0 | See footnotes | 05/12/2018 |
| 04/11/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 144.9k | $0.00 | $0 | See footnotes | 04/11/2018 |
| 04/11/2018 | NextDecade Corp. | NEXT | Grant | Common Stock, $ 0.0001 par value | 144.9k | $0.00 | $0 | See footnotes | 04/11/2018 |
| 01/26/2018 | NextDecade Corp. | NEXT | Sale | Common Stock, $ 0.0001 par value | 82.5k | $6.75 | $556.9k | See footnotes | 01/26/2018 |
| 01/26/2018 | NextDecade Corp. | NEXT | Sale | Common Stock, $ 0.0001 par value | 82.5k | $6.75 | $556.9k | See footnotes | 01/26/2018 |
|