Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001231919-26-000625
Filing Date
2026-06-11
Accepted
2026-06-11 19:36:33
Documents
1
Period of Report
2026-06-09

Document Format Files

Seq Description Document Type Size
1 form4-06112026_110625.html 4  
1 form4-06112026_110625.xml 4 17242
  Complete submission text file 0001231919-26-000625.txt   21584
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: 4 | Act: 34 | File No.: 001-42179 | Film No.: 261084595

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: 4 | Act: 34 | File No.: 001-42179 | Film No.: 261084596

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

Type: 4 | Act: 34 | File No.: 001-42179 | Film No.: 261084592

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

Type: 4 | Act: 34 | File No.: 001-42179 | Film No.: 261084591

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 Nexus Fund, L.P. (Reporting) CIK: 0001780117 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42179 | Film No.: 261084594

Mailing Address 5505 MOREHOUSE DRIVE SAN DIEGO CA 92121
Business Address 5505 MOREHOUSE DRIVE SAN DIEGO CA 92121 (858) 267-4467
Artiva Biotherapeutics, Inc. (Issuer) CIK: 0001817241 (see all company filings)

EIN.: 863614316 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)

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 Nexus Fund III, L.P. (Reporting) CIK: 0001883840 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42179 | Film No.: 261084593