Artiva Biotherapeutics, Inc.·4

May 28, 4:34 PM ET

GC Corp. 4

4 · Artiva Biotherapeutics, Inc. · Filed May 28, 2026

Research Summary

AI-generated summary of this filing

Updated

Artiva (ARTV) 10% Owner GC Corp. Buys 1.43M Shares

What Happened
GC Corp., reported as a 10% owner of Artiva Biotherapeutics (ARTV), purchased a total of 1,432,291 shares on May 11, 2026. The filing shows two open-market/private purchases: 1,085,069 shares at $11.52 each ($12,499,995) and 347,222 shares at $11.52 each ($3,999,997), for a combined cash outlay of $16,499,992. These were purchases (P), which are generally seen as a bullish signal because the holder increased its stake.

Key Details

  • Transaction date: 2026-05-11 (two purchases at the same price)
  • Price: $11.52 per share for both lots
  • Shares acquired: 1,085,069 and 347,222 — total 1,432,291 shares
  • Total transaction value: $16,499,992 (~$16.5M)
  • Filing date: 2026-05-28 — filing appears late (trade reported 17 days after the transactions; Form 4s are typically due within 2 business days)
  • Shares owned after transaction: Not specified in the provided excerpt of the filing
  • Footnotes: GC Corp. is a public Korean holdings company and parent of GC Cell Corporation; shares are held by GC Cell Corporation per the filing. The board members of GC Corp. are listed and are noted to share voting/investment power over these holdings but disclaim beneficial ownership except for any pecuniary interest.

Context

  • This transaction was by a reported 10% institutional owner (GC Corp./GC Cell Corporation), not an individual executive; such purchases reflect institutional appetite rather than a company's officer/director signal.
  • Two same-day purchases at the same price via open-market/private purchase simply increased the holder’s position — not an option exercise, grant, or gift.
  • The late filing reduces the timeliness of this disclosure for investors and could be subject to SEC scrutiny or penalties for tardy reporting.

Insider Transaction Report

Form 4
Period: 2026-05-11
GC Corp.
10% Owner
Transactions
  • Purchase

    Common Stock

    [F1]
    2026-05-11$11.52/sh+1,085,069$12,499,9954,391,969 total
  • Purchase

    Common Stock

    [F2]
    2026-05-11$11.52/sh+347,222$3,999,9971,607,734 total(indirect: By GC Cell Corporation)
Footnotes (2)
  • [F1]GC Corp., a public Korean holdings company, is ultimately controlled by its board of directors. As of March 26, 2026, the board consists of: Mr. Yong-Jun Huh, Huh Il-Sup, Park Yong-Tae, Kang Joonho, and Lee Choonwoo. Each of these individual directors of GC Corp. may be deemed to share voting and investment power over the shares held by GC Corp. and each disclaims beneficial ownership of all shares held by GC Corp., except to the extent of any pecuniary interest therein.
  • [F2]The shares are held directly by GC Cell Corporation. GC Corp., a public Korean holdings company, is the parent company of GC Cell Corporation and is ultimately controlled by its board of directors. As of March 26, 2026, the board consists of: Mr. Yong-Jun Huh, Huh Il-Sup, Park Yong-Tae, Kang Joonho, and Lee Choonwoo. Each of these individual directors of GC Corp. may be deemed to share voting and investment power over the shares held by GC Corp. and GC Cell Corporation and each disclaims beneficial ownership of all shares held by such entities, except to the extent of any pecuniary interest therein.

Documents

1 file
  • 4
    form4-05282026_080518.xmlPrimary