KRRO — Insider Trading Activity
One insider at KRRO put personal money into the stock on the open market this window, led by a 10% Owner, against 3 insiders selling.
What this means for KRRO
KRRO is not showing a cluster buy or a step-change versus its own baseline, so what the window amounts to is a single insider acting alone. Who is buying. The most credible buyer in this window is a 10% Owner (< $100K). Overall credibility score: 9/100 (Low).
By the numbers. One insider filed 2 open-market purchases at KRRO over the window, 6,684 shares in all at an average of $11.79 a share, most recently on August 10, 2026. On the other side, 3 insiders filed 14 sales covering 92,761 shares at an average of $13.81, the latest on September 14, 2026. That puts the average sale 17% above the average purchase — worth checking against where the stock trades today.
How we read these filings — which transaction codes count, how the cluster and credibility thresholds are set, and what the signals have and haven’t predicted — is written up in the insider trading methodology.
KRRO insider filings, one by one
All 16 Form 4 filings from the last 90 days, by insider, with share count, dollar amount and date.
Other tickers with the same signal
Companies of a comparable size whose Form 4 filings tripped the same insider buying flag as KRRO in this window.
- DINO insider trading — 1 buyer, 1 seller, credibility 53/100
- GLP insider trading — 1 buyer, credibility 35/100
- DFIN insider trading — 1 buyer, 2 sellers, credibility 39/100
- EQBK insider trading — 2 buyers, 3 sellers, credibility 34/100
- CLPR insider trading — 1 buyer, credibility 34/100