Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001231919-26-000420
Filing Date
2026-04-28
Accepted
2026-04-28 17:13:28
Documents
1
Period of Report
2026-04-21

Document Format Files

Seq Description Document Type Size
1 form3-04282026_090421.html 3  
1 form3-04282026_090421.xml 3 6925
  Complete submission text file 0001231919-26-000420.txt   10172
Mailing Address 200 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address 200 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 6177782500
RA Capital Healthcare Fund LP (Reporting) CIK: 0001315082 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39527 | Film No.: 26909220

Mailing Address 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116
Business Address 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 617-778-2500
RA CAPITAL MANAGEMENT, L.P. (Reporting) CIK: 0001346824 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39527 | Film No.: 26909221

Mailing Address 200 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address
Kolchinsky Peter (Reporting) CIK: 0001384859 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-39527 | Film No.: 26909219

Mailing Address 200 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address
Shah Rajeev M. (Reporting) CIK: 0001619841 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-39527 | Film No.: 26909218

Mailing Address 175 INNOVATION BOULEVARD WILMINGTON DE 19805
Business Address 175 INNOVATION BOULEVARD WILMINGTON DE 19805 (302) 467-1280
Prelude Therapeutics Inc (Issuer) CIK: 0001678660 (see all company filings)

EIN.: 811384762 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)