Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Eric J. Hyllengren currently holds 1,650,000 shares of Atara Biotherapeutics, Inc. (ATRA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Eric J. Hyllengren has been a net seller of ATRA stock. They have purchased $0 and sold $64.0K worth of shares.
Eric J. Hyllengren's most recent insider trade was on Jul 13, 2026, when they sold 1,650,000 shares at $0.00 per share.
Eric J. Hyllengren serves as Executive at Atara Biotherapeutics, Inc. (ATRA). They have executed 12 insider transactions totaling $64.0K over their tenure at the company.
Eric J. Hyllengren holds the position of Executive at Atara Biotherapeutics, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 3 years and currently hold a stake valued at $0.
Eric J. Hyllengren has shown a selling trading pattern, with $0 in total purchases and $64.0K in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Eric J. Hyllengren was on May 16, 2024, when they sold $17.8K worth of ATRA shares. This transaction involved 28,648 shares at $0.62 per share.
Eric J. Hyllengren currently owns 1,650,000 shares of Atara Biotherapeutics, Inc. (ATRA), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Eric J. Hyllengren's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Eric J. Hyllengren has 12 Form 4 filings on record as an insider at Atara Biotherapeutics, Inc..
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