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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000921895-22-000525
Filing Date
2022-02-14
Accepted
2022-02-14 13:27:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 4 TO THE SCHEDULE 13G sc13ga407422spro_02142022.htm SC 13G/A 285189
  Complete submission text file 0000921895-22-000525.txt   286896
Mailing Address 44 MONTGOMERY STREET 40TH FL SAN FRANCISCO CA 94104
Business Address 44 MONTGOMERY STREET 40TH FL SAN FRANCISCO CA 94104 3125066500
BIOTECHNOLOGY VALUE FUND L P (Filed by) CIK: 0000918923 (see all company filings)

IRS No.: 363924731 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6282 Investment Advice

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

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-90168 | Film No.: 22628819
SIC: 2834 Pharmaceutical Preparations