| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 11/12/2021 | ExOne Co | XONE | Disposition | Common Stock, par value $0.01 | 7.6k | $0.00 | $0 | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Payment of Exercise | Common Stock, par value $0.01 | 3.9k | $26.70 | $104.6k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Common Stock, par value $0.01 | 4.9k | $0.00 | $0 | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Payment of Exercise | Common Stock, par value $0.01 | 1.5k | $26.70 | $41.2k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Common Stock, par value $0.01 | 1.9k | $0.00 | $0 | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Grant | Common Stock, par value $0.01 | 3.4k | $0.00 | $0 | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Payment of Exercise | Common Stock, par value $0.01 | 1.5k | $26.70 | $40.1k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Common Stock, par value $0.01 | 1.9k | $0.00 | $0 | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Stock Option (right to buy) | 24k | $8.36 | $200.6k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Stock Option (right to buy) | 10k | $6.75 | $67.5k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Stock Option (right to buy) | 15k | $7.11 | $106.6k | | 11/12/2021 |
| 12/31/2020 | ExOne Co | XONE | Payment of Exercise | Common Stock, par value $0.01 | 470 | $9.49 | $4.5k | | 12/31/2020 |
| 09/30/2020 | ExOne Co | XONE | Payment of Exercise | Common Stock, par value $0.01 | 439 | $12.22 | $5.4k | | 09/30/2020 |
| 08/10/2020 | ExOne Co | XONE | Grant | Common Stock, par value $0.01 | 2.8k | $0.00 | $0 | | 08/10/2020 |
| 08/10/2020 | ExOne Co | XONE | Grant | Common Stock, par value $0.01 | 13.2k | $0.00 | $0 | | 08/10/2020 |
| 08/12/2019 | ExOne Co | XONE | Grant | Stock Option (right to buy) | 15k | $7.11 | $106.6k | | 08/12/2019 |
| 03/18/2019 | ExOne Co | XONE | Grant | Common stock, par value $0.01 per share | 2.2k | $0.00 | $0 | | 03/18/2019 |
| 03/18/2019 | ExOne Co | XONE | Payment of Exercise | Common stock, par value $0.01 per share | 867 | $9.77 | $8.5k | | 03/18/2019 |
| 08/13/2018 | ExOne Co | XONE | Grant | Stock Option (right to buy) | 10k | $6.75 | $67.5k | | 08/13/2018 |
| 03/16/2018 | ExOne Co | XONE | Grant | Stock Option (right to buy) | 24k | $8.36 | $200.6k | | 03/16/2018 |