Form UPLOAD - SEC-generated letter:
SEC Accession No. 0000000000-17-039167
Filing Date
2017-11-06
Accepted
2017-11-06 10:44:33
Documents
1

Document Format Files

Seq Description Document Type Size
1 filename1.pdf LETTER 108712
  Complete submission text file 0000000000-17-039167.txt   150480
Mailing Address 675 MASSACHUSETTS AVENUE 14TH FLOOR CAMBRIDGE MA 02139
Business Address 675 MASSACHUSETTS AVENUE 14TH FLOOR CAMBRIDGE MA 02139 857-242-1600
Spero Therapeutics, Inc. (Filed for) CIK: 0001701108 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: UPLOAD
SIC: 2834 Pharmaceutical Preparations