| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/10/2023 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 31.289 | $207.96 | $6.5k | | 03/10/2023 |
| 03/10/2023 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 15 | $207.96 | $3.1k | | 03/10/2023 |
| 02/28/2023 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 2.8k | $215.20 | $596.1k | | 02/28/2023 |
| 02/28/2023 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 6.3k | $215.20 | $1.4M | | 02/28/2023 |
| 06/11/2022 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Sale | Common Stock | 2.6k | $229.00 | $598.6k | | 08/11/2022 |
| 03/14/2022 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 15 | $206.07 | $3.1k | | 03/11/2022 |
| 03/11/2022 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 33.244 | $206.07 | $6.9k | | 03/11/2022 |
| 03/01/2022 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 8k | $204.15 | $1.6M | | 03/01/2022 |
| 03/01/2022 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 3.6k | $204.15 | $735.1k | | 03/01/2022 |
| 03/15/2021 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 8 | $195.09 | $1.6k | | 03/12/2021 |
| 03/12/2021 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 21.382 | $195.09 | $4.2k | | 03/12/2021 |
| 03/05/2021 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Sale | Common Stock | 1.9k | $180.96 | $350.9k | | 03/05/2021 |
| 03/02/2021 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 1.9k | $178.41 | $340.6k | | 03/01/2021 |
| 03/01/2021 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 4.2k | $178.41 | $744.1k | | 03/01/2021 |
| 03/03/2020 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Sale | Common Stock | 1.6k | $215.01 | $336.3k | | 03/03/2020 |
| 02/25/2020 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 2.1k | $234.84 | $482.4k | | 02/24/2020 |
| 02/24/2020 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 5.9k | $234.84 | $1.4M | | 02/24/2020 |
| 05/31/2019 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Other | SEP Unit | 5.8k | $48.28 | $280k | | 05/31/2019 |
| 05/31/2019 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Sale | Common Stock | 1.3k | $204.59 | $275.2k | | 05/31/2019 |
| 03/11/2019 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 3 | $200.12 | $600.4 | | 03/08/2019 |
| 03/08/2019 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 8.227 | $200.12 | $1.6k | | 03/08/2019 |
| 03/08/2019 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Sale | Common Stock | 2.6k | $199.66 | $528.5k | | 03/07/2019 |
| 03/07/2019 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Other | Common Stock | 3.3k | $201.46 | $664.5k | By 401(k) plan | 03/07/2019 |
| 02/28/2019 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 1.4k | $210.24 | $304.4k | | 02/27/2019 |
| 02/27/2019 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 3.3k | $210.24 | $696.1k | | 02/27/2019 |
| 03/12/2018 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 2 | $264.03 | $528.1 | | 03/09/2018 |
| 03/09/2018 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Grant | Common Stock | 4.705 | $264.03 | $1.2k | | 03/09/2018 |
| 03/01/2018 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Payment of Exercise | Common Stock | 1.3k | $262.76 | $332.7k | | 03/01/2013 |
| 02/26/2018 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Sale | Common Stock | 2.6k | $267.50 | $699.8k | | 02/26/2018 |
| 07/12/2017 | HUNTINGTON INGALLS INDUSTRIES, INC. | HII | Sale | Common Stock | 2.4k | $196.00 | $463k | | 07/12/2017 |