GRTS Gritstone bio, Inc.: institutional ownership and insider trading
Over the last 12 months insiders bought $0 and sold $0 on the open market.
Recent GRTS insider trades
- Dec 18, 2024: Economides Vassiliki sold 12,000 shares ($240)
5%+ owners
- Redmile Group, LLC: 8.2% (Schedule 13G/A, filed Feb 14, 2025)