| Unvested LTIP Units |
The below table details unvested OP LTIP Units as of September 30, 2019: | | | | | | | | | Grant Recipient | | Number of OP LTIP Units Granted | | Grant Date | | Vesting Date(1) | Directors: | | | | | | | | | 14,552 |
| | September 11, 2019 | | September 10, 2020 | Partially dedicated employees: | | | | | | | | | 8,692 |
| | December 11, 2018 | | December 11, 2019 | | | 8,691 |
| | December 11, 2018 | | December 11, 2020 | | | 5,886 |
| | December 12, 2017 | | December 12, 2019 | Total unvested OP LTIP Units at September 30, 2019 | | 37,821 |
| | | | |
| | (1) | Date at which such OP LTIP Units will vest and become non-forfeitable. |
The below table details unvested OP LTIP Units as of December 31, 2018: | | | | | | | | | Grant Recipient | | Number of OP LTIP Units | | Grant Date | | Vesting Date(1) | Directors: | | | | | | | | | 14,440 |
| | September 12, 2018 | | September 11, 2019 | Partially dedicated employees: | | | | | | | | | 8,692 |
| | December 11, 2018 | | December 11, 2019 | | | 8,691 |
| | December 11, 2018 | | December 11, 2020 | | | 1,723 |
| | March 7, 2018 | | March 7, 2019 | | | 5,886 |
| | December 12, 2017 | | December 12, 2019 | Total unvested OP LTIP Units at December 31, 2018 | | 39,432 |
| | | | |
| | (1) | Date at which such OP LTIP Units will vest and become non-forfeitable. |
|
| Roll-Forward of Company's LTIP Units Outstanding |
The following table summarizes issuance and exercise activity of OP LTIP Units for the three- and nine-month periods ended September 30, 2019: | | | | | | | | | | | | | | | | | | | | Three-Month Period Ended September 30, 2019 | | Nine-Month Period Ended September 30, 2019 | | Manager | | Director/ Employee | | Total | | Manager | | Director/ Employee | | Total | OP LTIP Units Outstanding (6/30/2019 and 1/1/19, respectively) | 375,000 |
| | 146,371 |
| | 521,371 |
| | 375,000 |
| | 146,371 |
| | 521,371 |
| Granted | — |
| | 14,552 |
| | 14,552 |
| | — |
| | 14,552 |
| | 14,552 |
| Exercised | — |
| | (3,610 | ) | | (3,610 | ) | | — |
| | (3,610 | ) | | (3,610 | ) | OP LTIP Units Outstanding (9/30/19) | 375,000 |
| | 157,313 |
| | 532,313 |
| | 375,000 |
| | 157,313 |
| | 532,313 |
| OP LTIP Units Unvested and Outstanding (9/30/19) | — |
| | 37,821 |
| | 37,821 |
| | — |
| | 37,821 |
| | 37,821 |
| OP LTIP Units Vested and Outstanding (9/30/19) | 375,000 |
| | 119,492 |
| | 494,492 |
| | 375,000 |
| | 119,492 |
| | 494,492 |
|
The following table summarizes issuance and exercise activity of LTIP Units for the three- and nine-month periods ended September 30, 2018: | | | | | | | | | | | | | | | | | | | | Three-Month Period Ended September 30, 2018 | | Nine-Month Period Ended September 30, 2018 | | Manager | | Director/ Employee | | Total | | Manager | | Director/ Employee | | Total | LTIP Units Outstanding (6/30/2018 and 12/31/2017, respectively) | 375,000 |
| | 117,882 |
| | 492,882 |
| | 375,000 |
| | 116,159 |
| | 491,159 |
| Granted | — |
| | 14,440 |
| | 14,440 |
| | — |
| | 16,163 |
| | 16,163 |
| Exercised | — |
| | (3,334 | ) | | (3,334 | ) | | — |
| | (3,334 | ) | | (3,334 | ) | LTIP Units Outstanding (9/30/2018) | 375,000 |
| | 128,988 |
| | 503,988 |
| | 375,000 |
| | 128,988 |
| | 503,988 |
| LTIP Units Vested and Outstanding (9/30/2018) | 375,000 |
| | 92,823 |
| | 467,823 |
| | 375,000 |
| | 92,823 |
| | 467,823 |
|
|