Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Steven Gillis currently holds 1,319 shares of bluebird bio, Inc. (BLUE), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Steven Gillis has been a net buyer of BLUE stock. They have purchased $29.6M and sold $9.3M worth of shares.
Steven Gillis's most recent insider trade was on Jul 10, 2026, when they sold 1,152 shares at $4931.20 per share.
Steven Gillis serves as Executive at bluebird bio, Inc. (BLUE). They have executed 55 insider transactions totaling $38.9M over their tenure at the company.
Steven Gillis holds the position of Executive at bluebird bio, 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.
Steven Gillis has shown a buying trading pattern, with $29.6M in total purchases and $9.3M in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by Steven Gillis was on Aug 1, 2025, when they purchased $10.0M worth of PRME shares. This transaction involved 3,030,300 shares at $3.30 per share.
Steven Gillis currently owns 1,319 shares of bluebird bio, Inc. (BLUE), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Steven Gillis's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Steven Gillis has 55 Form 4 filings on record as an insider at bluebird bio, Inc..
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