| Unvested LTIP Units |
The below table details unvested OP LTIP Units as of September 30, 2021: | | | | | | | | | | | | | | | | | | | | | | Grant Recipient | | Number of OP LTIP Units Granted | | Grant Date | | Vesting Date(1) | | Directors: | | | | | | | | | 16,264 | | | September 14, 2021 | | September 13, 2022 | | Dedicated or partially dedicated personnel: | | | | | | | | | 10,067 | | | December 13, 2019 | | December 13, 2021 | | | 18,211 | | | December 17, 2020 | | December 17, 2021 | | | 9,834 | | | March 4, 2020 | | December 31, 2021 | | | 3,697 | | | March 3, 2021 | | December 31, 2021 | | | 14,598 | | | December 17, 2020 | | December 17, 2022 | | | 13,534 | | | March 3, 2021 | | December 31, 2022 | | Total unvested OP LTIP Units at September 30, 2021 | | 86,205 | | | | | |
(1)Date at which such OP LTIP Units will vest and become non-forfeitable.
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| Roll-Forward of Company's LTIP Units Outstanding |
The following tables summarize issuance and exercise activity of OP LTIP Units for the three- and nine-month periods ended September 30, 2021 and 2020: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three-Month Period Ended | | | September 30, 2021 | | September 30, 2020 | | | Manager | | Director/ Employee | | Total | | Manager | | Director/ Employee | | Total | | OP LTIP Units Outstanding (June 30, 2021 and 2020, respectively) | | 365,518 | | | 264,251 | | | 629,769 | | | 365,518 | | | 195,009 | | | 560,527 | | | Granted | | — | | | 16,264 | | | 16,264 | | | — | | | 22,840 | | | 22,840 | | | Exercised | | — | | | (5,710) | | | (5,710) | | | — | | | (3,638) | | | (3,638) | | | OP LTIP Units Outstanding (September 30, 2021 and 2020, respectively) | | 365,518 | | | 274,805 | | | 640,323 | | | 365,518 | | | 214,211 | | | 579,729 | | | OP LTIP Units Unvested and Outstanding (September 30, 2021 and 2020, respectively) | | — | | | 86,205 | | | 86,205 | | | — | | | 69,227 | | | 69,227 | | | OP LTIP Units Vested and Outstanding (September 30, 2021 and 2020, respectively) | | 365,518 | | | 188,600 | | | 554,118 | | | 365,518 | | | 144,984 | | | 510,502 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nine-Month Period Ended | | | September 30, 2021 | | September 30, 2020 | | | Manager | | Director/ Employee | | Total | | Manager | | Director/ Employee | | Total | | OP LTIP Units Outstanding (December 31, 2020 and 2019, respectively) | | 365,518 | | | 247,020 | | | 612,538 | | | 365,518 | | | 180,198 | | | 545,716 | | | Granted | | — | | | 33,495 | | | 33,495 | | | — | | | 37,651 | | | 37,651 | | | Exercised | | — | | | (5,710) | | | (5,710) | | | — | | | (3,638) | | | (3,638) | | | OP LTIP Units Outstanding (September 30, 2021 and 2020, respectively) | | 365,518 | | | 274,805 | | | 640,323 | | | 365,518 | | | 214,211 | | | 579,729 | | | OP LTIP Units Unvested and Outstanding (September 30, 2021 and 2020, respectively) | | — | | | 86,205 | | | 86,205 | | | — | | | 69,227 | | | 69,227 | | | OP LTIP Units Vested and Outstanding (September 30, 2021 and 2020, respectively) | | 365,518 | | | 188,600 | | | 554,118 | | | 365,518 | | | 144,984 | | | 510,502 | |
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