Form 4 Tracker
Greef Roderick DE

Director, President and CEO · 2 filings · Latest: Mar 19, 2026

BIOLIFE SOLUTIONS INC
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
BLFS
RODERICK DE GREEFNov 13, 2025
Proposed Sale
$25.3331,165$789.3K
BLFS
RODERICK DE GREEFNov 12, 2025
Proposed Sale
$25.8833,418$865.0K
BLFS
RODERICK DE GREEFNov 11, 2025
Proposed Sale
$26.1535,417$926.1K
BLFS
DE GREEF RODERICKOct 22, 2025
Proposed Sale
$27.3037,795$1.0M