Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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George L. Sing currently holds 30,852 shares of REGENERON PHARMACEUTICALS INC (REGN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, George L. Sing has been a net seller of REGN stock. They have purchased $448.3K and sold $147.0M worth of shares.
George L. Sing's most recent insider trade was on Dec 30, 2025, when they sold 6,188 shares at $774.03 per share.
George L. Sing serves as Executive at REGENERON PHARMACEUTICALS INC (REGN). They have executed 197 insider transactions totaling $147.4M over their tenure at the company.
George L. Sing holds the position of Executive at REGENERON PHARMACEUTICALS INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 21 years and currently hold a stake valued at $0.
George L. Sing has shown a selling trading pattern, with $448.3K in total purchases and $147.0M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by George L. Sing was on Dec 30, 2025, when they sold $4.8M worth of REGN shares. This transaction involved 9,212 shares at $520.01 per share.
George L. Sing currently owns 30,852 shares of REGENERON PHARMACEUTICALS INC (REGN), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of George L. Sing's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. George L. Sing has 197 Form 4 filings on record as an insider at REGENERON PHARMACEUTICALS INC.
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