| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 11/12/2021 | ExOne Co | XONE | Disposition | Common Stock, par value $0.01 | 4.4k | $0.00 | $0 | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Payment of Exercise | Common Stock, par value $0.01 | 3.7k | $26.70 | $99.7k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Common Stock, par value $0.01 | 5.1k | $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 | 2k | $0.00 | $0 | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Stock Option (right to buy) | 15k | $7.11 | $106.6k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Stock Option (right to buy) | 15k | $6.75 | $101.2k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Disposition | Common Stock, par value $0.01 | 2k | $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 | $39k | | 11/12/2021 |
| 11/12/2021 | ExOne Co | XONE | Grant | Common Stock, par value $0.01 | 3.4k | $0.00 | $0 | | 11/12/2021 |
| 11/01/2021 | ExOne Co | XONE | Exercise | Stock Option (right to buy) | 25k | $7.91 | $197.8k | | 11/01/2021 |
| 11/01/2021 | ExOne Co | XONE | Exercise | Incentive Stock Option (right to buy) | 15k | $18.00 | $270k | | 11/01/2021 |
| 11/01/2021 | ExOne Co | XONE | Sale | Common Stock, par value $0.01 | 38.5k | $25.09 | $965.7k | | 11/01/2021 |
| 11/01/2021 | ExOne Co | XONE | Sale | Common Stock, par value $0.01 | 40k | $25.09 | $1M | | 11/01/2021 |
| 12/31/2020 | ExOne Co | XONE | Payment of Exercise | Common Stock, par value $0.01 | 335 | $9.49 | $3.2k | | 12/31/2020 |
| 09/30/2020 | ExOne Co | XONE | Payment of Exercise | Common Stock, par value $0.01 | 287 | $12.22 | $3.5k | | 09/30/2020 |
| 08/10/2020 | ExOne Co | XONE | Grant | Common Stock, par value $0.01 | 2.3k | $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 | 3k | $0.00 | $0 | | 03/18/2019 |
| 03/18/2019 | ExOne Co | XONE | Payment of Exercise | Common stock, par value $0.01 per share | 1.2k | $9.77 | $11.9k | | 03/18/2019 |
| 08/13/2018 | ExOne Co | XONE | Grant | Stock Option (right to buy) | 15k | $6.75 | $101.2k | | 08/13/2018 |
| 08/14/2017 | ExOne Co | XONE | Grant | Stock Option (right to buy) | 25k | $7.91 | $197.8k | | 08/14/2017 |