Peter Kolchinsky, Director at Artiva Biotherapeutics, bought ARTV on Jul 22, 2026
Data as of Oct 16
- Traded
- Jul 22, 2026
- Disclosed
- Jul 23, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
ARTV since disclosure
−42.3%
Similar stocks (XLV) since disclosure
+9.5%
XLV — its sector index fund
Change in closing price from Jul 23, 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
- ▲ BUYPeter Kolchinsky DirectorARTV Artiva Biotherapeutics, Inc.$596Kdisclosed Jul 23 · filed the same day
- ▲ BUYRA Capital Healthcare Fund LP DirectorARTV Artiva Biotherapeutics, Inc.$596Kdisclosed Jul 23 · filed the same day
- ▲ BUYRA Capital Nexus Fund III, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$596Kdisclosed Jul 23 · filed the same day
- ▲ BUYRA Capital Nexus Fund, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$596Kdisclosed Jul 23 · filed the same day
- ▲ BUYRajeev M. Shah DirectorARTV Artiva Biotherapeutics, Inc.$596Kdisclosed Jul 23 · filed the same day
- ▲ BUYRa Capital Management, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$596Kdisclosed Jul 23 · filed the same day
- ▲ BUYRA Capital Healthcare Fund LP DirectorARTV Artiva Biotherapeutics, Inc.$835Kdisclosed Jul 23 · filed 1 day after the trade
- ▲ BUYRa Capital Management, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$835Kdisclosed Jul 23 · filed 1 day after the trade
- ▲ BUYRA Capital Nexus Fund III, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$835Kdisclosed Jul 23 · filed 1 day after the trade
- ▲ BUYRA Capital Nexus Fund, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$835Kdisclosed Jul 23 · filed 1 day after the trade
- ▲ BUYRajeev M. Shah DirectorARTV Artiva Biotherapeutics, Inc.$835Kdisclosed Jul 23 · filed 1 day after the trade
- ▲ BUYRA Capital Nexus Fund, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$1.2Mdisclosed Jul 23 · filed 2 days after the trade
- ▲ BUYRA Capital Healthcare Fund LP DirectorARTV Artiva Biotherapeutics, Inc.$1.2Mdisclosed Jul 23 · filed 2 days after the trade
- ▲ BUYRajeev M. Shah DirectorARTV Artiva Biotherapeutics, Inc.$1.2Mdisclosed Jul 23 · filed 2 days after the trade
- ▲ BUYRa Capital Management, L.P. DirectorARTV Artiva Biotherapeutics, Inc.$1.2Mdisclosed Jul 23 · filed 2 days after the trade