10% Owner Florence Anthony A. Jr. buys 207,100 shares of KRRO at $11.11; 8 other insiders bought within 14 days amid -77.6% decline from 52-week high.
Florence Anthony A. Jr., a 10% owner of Korro Bio, purchased 207,100 shares at $11.11 on 2026-03-10, expanding his holdings to 1,297,893 shares (+19.0% increase). The transaction occurs against a backdrop of significant stock weakness: the current price of $11.50 stands 77.6% below the 52-week high of $51.36. A cluster pattern emerges with 8 other insiders also buying within the past 14 days, suggesting coordinated appetite for shares at depressed levels. However, context reveals material headwinds: the company reported $1.1M in quarterly revenue against a $-18.1M net loss, remains unprofitable, and Anthony's sole prior purchase at KRRO on 2024-04-22 declined 18.6% over 90 days—establishing a 0% win rate at this specific ticker. The cross-ticker track record (66.67% 90-day win rate, +2.9% average 90d return) does not yet demonstrate execution strength at KRRO itself, where the stock has compressed substantially from its recent highs.