January 12, 2021
Page 2
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January 4, 2021 Comment Letter
Prospectus Summary
Our in vivo Cell Engineering Platform and Programs, page 4
| 1. | We note your revisions in response to prior comment 5. Please revise your statement that you believe success with any initial therapy targeting a given cell type may meaningfully accelerate lead candidate selection for other indications to remove any implication that you will be able to accelerate the development of your product candidates. |
Response: In response to the Staff’s comment, the Company has revised pages 5 and 133 of the Registration Statement.
Use of Proceeds, page 92
| 2. | We note your revisions in response to prior comment 11. Based on the next anticipated milestone for each of your product candidates as described in the S-1, please revise this section to disclose which of those milestones you intend to complete using the proceeds of this offering. |
Response: In response to the Staff’s comment, the Company has revised pages 15 and 93 of the Registration Statement.
Allogeneic T Cell Program (SC291, SC225), page 163
| 3. | We note your revisions in response to prior comment 14. Please revise your statement that your two programs “should increase the likelihood of success” to remove any predictions or expectations regarding your likelihood of success as such statements are speculative. |
Response: In response to the Staff’s comment, the Company has revised page 168 of the Registration Statement.
December 7, 2020 Comment Letter
Implications of Being an Emerging Growth Company, page 12
| 18. | Please revise your disclosure to identify the natural person or persons who have voting and investment control of the shares held by F-Prime Fund VI. |
Response: In response to the Staff’s comment, the Company has revised pages 232 and 233 of the Registration Statement.
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