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Peter Kolchinsky, Director at Artiva Biotherapeutics, bought ARTV on Jul 29, 2026

Data as of Oct 16

▲ BUY$208K20,824 shares at $9.99Peter Kolchinsky DirectorARTV Artiva Biotherapeutics, Inc.
Watch ARTV
Traded
Jul 29, 2026
Disclosed
Jul 31, 2026
Filed
2 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Peter Kolchinsky, Director at Artiva Biotherapeutics, bought ARTV on Jul 29, 2026TRADEDDISCLOSED
ARTVSimilar stocks (XLV — its sector index fund), rebased to ARTV's price on the disclosure day
ARTV since disclosure
−42.1%
Similar stocks (XLV) since disclosure
+8.7%
XLV — its sector index fund

Change in closing price from Jul 31, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▲ BUYRA Capital Nexus Fund III, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$248Kdisclosed Jul 31 · filed the same day
  2. ▲ BUYPeter Kolchinsky DirectorARTV Artiva Biotherapeutics, Inc.$248Kdisclosed Jul 31 · filed the same day
  3. ▲ BUYRA Capital Healthcare Fund LP DirectorARTV Artiva Biotherapeutics, Inc.$248Kdisclosed Jul 31 · filed the same day
  4. ▲ BUYRA Capital Nexus Fund, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$248Kdisclosed Jul 31 · filed the same day
  5. ▲ BUYRajeev M. Shah DirectorARTV Artiva Biotherapeutics, Inc.$248Kdisclosed Jul 31 · filed the same day
  6. ▲ BUYRa Capital Management, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$248Kdisclosed Jul 31 · filed the same day
  7. ▲ BUYRA Capital Nexus Fund, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$208Kdisclosed Jul 31 · filed 2 days after the trade
  8. ▲ BUYRajeev M. Shah DirectorARTV Artiva Biotherapeutics, Inc.$208Kdisclosed Jul 31 · filed 2 days after the trade
  9. ▲ BUYRA Capital Nexus Fund III, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$208Kdisclosed Jul 31 · filed 2 days after the trade
  10. ▲ BUYRA Capital Healthcare Fund LP DirectorARTV Artiva Biotherapeutics, Inc.$208Kdisclosed Jul 31 · filed 2 days after the trade
  11. ▲ BUYRa Capital Management, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$208Kdisclosed Jul 31 · filed 2 days after the trade

See every trade on ARTV →