Jason Michael Siegel is listed as Managing Partner at Moorstone, L.P. on SEC Form ADV.
Form ADV reports a beneficial ownership band of Under 5%.
| Title | Managing Partner |
| Ownership | Under 5% |
| Control person | Yes |
| Since | 2023 |
| Title | Managing Member |
| Ownership | Over 75% |
| Control person | Yes |
| Since | 2023 |