<div id="readability-page-1"><div>** Cell therapy developer Atara's shares rise 5.1% to $14.69, its highest in more than eight months** Co to lay off 29% of staff, retaining about 15 employees** ATRA expects to complete cuts by Jan 2026 ** Co expects ~$1.3 mln in layoff costs related to severance and other benefits ** Company says more charges may arise depending on events tied to layoffs** Including session's move, stock up ~10% YTD</div></div>

ATRA

** Cell therapy developer Atara's shares rise 5.1% to $14.69, its highest in more than eight months** Co to lay off 29% of staff, retaining about 15 employees** ATRA expects to complete cuts by Jan 2026 ** Co expects ~$1.3 mln in layoff costs related to severance and other benefits ** Company says more charges may arise depending on events tied to layoffs** Including session's move, stock up ~10% YTD

Atara rises on plan to lay off staff