Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000834237-22-006178
Filing Date
2022-02-03
Accepted
2022-02-03 16:29:37
Documents
1

Document Format Files

Seq Description Document Type Size
1 us4923271013_020322.txt SC 13G/A 11604
  Complete submission text file 0000834237-22-006178.txt   13419
Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

EIN.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies

Mailing Address 99 HAYDEN AVENUE, SUITE 120 (BLD E) LEDGEMONT TECHNOLOGY CENTER LEXINGTON MA 02421
Business Address 99 HAYDEN AVENUE, SUITE 120 (BLD E) LEDGEMONT TECHNOLOGY CENTER LEXINGTON MA 02421 617-513-8774
Keros Therapeutics, Inc. (Subject) CIK: 0001664710 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-91484 | Film No.: 22588765
SIC: 2834 Pharmaceutical Preparations