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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0001387131-21-009489
Filing Date
2021-09-16
Accepted
2021-09-16 17:27:25
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENT TO FORM SC 13D spero-sc13da_080521.htm SC 13D/A 60998
  Complete submission text file 0001387131-21-009489.txt   62658
Mailing Address 980 GREAT WEST ROAD BRENTFORD MIDDLESEX X0 TW8 9GS
Business Address 980 GREAT WEST ROAD BRENTFORD MIDDLESEX X0 TW8 9GS 011442080475000
GLAXOSMITHKLINE PLC (Filed by) CIK: 0001131399 (see all company filings)

IRS No.: 000000000 | State of Incorp.: X0
Type: SC 13D/A
SIC: 2834 Pharmaceutical Preparations

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 13D/A | Act: 34 | File No.: 005-90168 | Film No.: 211258717
SIC: 2834 Pharmaceutical Preparations