Latest filing published 19 Mar 2026 for Atara Biotherapeutics, Inc..
Based on 2 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Panacea Innovation Ltd is a declared insider of Atara Biotherapeutics, Inc., with filings sourced from SEC (Form 4). Over a trading history stretching from 17 July 2025 to 17 March 2026, the count stands at 7 filings.
Both buying and selling appear: 2 purchases worth €736k, against 1 sale worth €421k. Purchases outweigh sales by €315k. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Besides market trades, the filings include 2 share grants and 2 option exercises. Since January 2026: no purchases and 1 sale on the market.
Most recently, on 19 March 2026, the filings show a share grant worth €23 in Atara Biotherapeutics, Inc. The last insider purchase was made public on 19 August 2025, 431 days ago. Typically, a trade is published a median of 3 days after it takes place. Section 16 rules allow two business days to file each Form 4. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
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