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Greef Roderick De currently holds 733,746 shares of BIOLIFE SOLUTIONS INC (BLFS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Greef Roderick De has been a net seller of BLFS stock. They have purchased $30.4K and sold $23.8M worth of shares.
Greef Roderick De's most recent insider trade was on Mar 19, 2026, when they sold 11,101 shares at $19.12 per share.
Greef Roderick De serves as Executive at BIOLIFE SOLUTIONS INC (BLFS). They have executed 245 insider transactions totaling $23.8M over their tenure at the company.
Greef Roderick De holds the position of Executive at BIOLIFE SOLUTIONS INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
Greef Roderick De has shown a selling trading pattern, with $30.4K in total purchases and $23.8M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Greef Roderick De was on Oct 22, 2025, when they sold $1.0M worth of BLFS shares. This transaction involved 37,795 shares at $27.30 per share.
Greef Roderick De currently owns 733,746 shares of BIOLIFE SOLUTIONS INC (BLFS), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Greef Roderick De's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Greef Roderick De has 245 Form 4 filings on record as an insider at BIOLIFE SOLUTIONS INC.
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