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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001591986-22-000015
Filing Date
2022-04-28
Accepted
2022-04-28 16:13:08
Documents
1
Period of Report
2022-04-26

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 5512
  Complete submission text file 0001591986-22-000015.txt   8000
Mailing Address ONE LETTERMAN DRIVE, SUITE D4900 BUILDING D, THE PRESIDIO SAN FRANCISCO CA 94129
Business Address ONE LETTERMAN DRIVE, SUITE D4900 BUILDING D, THE PRESIDIO SAN FRANCISCO CA 94129 (415) 635-0141
Aquilo Capital, L.P. (Reporting) CIK: 0001491371 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38266 | Film No.: 22866686

Mailing Address ONE LETTERMAN DRIVE SUITE D4900, BUILDING D SAN FRANCISCO CA 94129
Business Address ONE LETTERMAN DRIVE SUITE D4900, BUILDING D SAN FRANCISCO CA 94129 415-635-0140
Aquilo Capital Management, LLC (Reporting) CIK: 0001591986 (see all company filings)

State of Incorp.: CA | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38266 | Film No.: 22866687

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. (Issuer) CIK: 0001701108 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations