GC Corp. - 11 May 2026 SCHEDULE 13D/A Report for ARTIVA BIOTHERAPEUTICS, INC. Common Stock (ARTV)

Ownership signal 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

12%

Beneficial ownership of this reported class.

Shares

5,999,703 shares

Shares beneficially owned as disclosed.

Event date

11 May 2026

Date tied to the ownership event or amendment.

Accepted by SEC

28 May 2026

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security 2 source fields
Symbol
ARTV
Shares outstanding
48,778,073 shares
Source evidence 4 source fields
Form type
SCHEDULE 13D/A
Accepted by SEC
28 May 2026, 16:38:12 UTC
Event date
11 May 2026
SEC filing
View on sec.gov

Key filing fact

GC Corp. disclosed 12% ownership in ARTIVA BIOTHERAPEUTICS, INC. Common Stock (ARTV) on 11 May 2026.

Key facts

  • GC Corp. filed SCHEDULE 13D/A for ARTIVA BIOTHERAPEUTICS, INC. Common Stock (ARTV).
  • Disclosed ownership: 12%.
  • Date of event: 11 May 2026.

Change

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 28 May 2026, 16:38.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Disclosed reporting parties (3)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
GC Corp 12% 5,999,703 0 5,999,703 /s/ Yong-Jun Huh Yong-Jun Huh, Chief Executive Officer 0001931382
GC Cell Corporation 3.3% 1,607,734 0 1,607,734 /s/ Jaiwang Kim Jaiwang Kim, Chief Executive Officer 0001931891
Yong-Jun Huh 12% 5,999,703 0 5,999,703 /s/ Yong-Jun Huh Yong-Jun Huh 0001931083
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