Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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David R. Epstein currently holds 15,000 shares of Rubius Therapeutics, Inc. (RUBY), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David R. Epstein has been a net seller of RUBY stock. They have purchased $1.1M and sold $4.2M worth of shares.
David R. Epstein's most recent insider trade was on Oct 8, 2026, when they purchased 5,000 shares at $8.90 per share.
David R. Epstein serves as Executive at Rubius Therapeutics, Inc. (RUBY). They have executed 94 insider transactions totaling $5.4M over their tenure at the company.
David R. Epstein holds the position of Executive at Rubius Therapeutics, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 8 years and currently hold a stake valued at $0.
David R. Epstein has shown a selling trading pattern, with $1.1M in total purchases and $4.2M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by David R. Epstein was on Dec 14, 2023, when they sold $3.8M worth of SGEN shares. This transaction involved 16,407 shares at $229.00 per share.
David R. Epstein currently owns 15,000 shares of Rubius Therapeutics, Inc. (RUBY), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of David R. Epstein's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. David R. Epstein has 94 Form 4 filings on record as an insider at Rubius Therapeutics, Inc..
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