David M. Tanen is Director at Kronos Bio, Inc. (KRON). They have made 4 open-market trades across 2 companies since 2008, most recently 2025-06-20.
CIK 0001170542
4 open-market purchases totalling $268K since 2008, never a sale. Too few scored purchases to measure a record yet.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.