Atara Biotherapeutics, Inc. · NASDAQ:ATRA

EcoR1 Capital, LLC reported a 17.40% stake in Atara Biotherapeutics, Inc. (Schedule 13G/A)

Event May 7, 2026 · Filed May 7, 2026

EcoR1 Capital, LLC reported a 17.40% stake in Atara Biotherapeutics, Inc., 1,552,000 shares, as a passive investor on May 7, 2026. Filed May 7, 2026 (Schedule 13G/A).

Stake
17.40%
Shares
1,552,000
Intent
Passive
What changed
Stake changed
Filed together
3 holders

The filing in full

HolderStakeShares
EcoR1 Capital, LLC17.40%1,552,000
Oleg Nodelman17.40%1,552,000
EcoR1 Capital Fund Qualified, L.P.16.20%1,445,609

Source

View original at SEC

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