Grant-Huerta Yanina 4

What Happened

• Yanina Grant-Huerta, Chief Accounting Officer of Atara Biotherapeutics (ATRA), received an award of 20,300 restricted stock units (RSUs) reported on Form 4 for the 2026-03-09 grant date. The RSUs were granted at $0.00 (no cash paid).

Key Details

• Transaction date: 2026-03-09; Form 4 filed 2026-03-11 (timely filing).
• Grant type/code: A (award/grant) — 20,300 RSUs acquired at $0.00.
• Vesting: RSUs vest as to 1/8 of the total (rounded down) on the second Quarterly Vesting Date after March 9, 2026, then 1/8 on each of the next seven Quarterly Vesting Dates, so all shares vest after eight such dates, subject to continued employment.
• Definition: Quarterly Vesting Dates are Mar 1, May 15, Aug 15, and Nov 15 (moved to next business day if they fall on a weekend/holiday).
• Shares owned after the transaction: not disclosed in the provided filing.

Context

• This is a time-based equity award, not a purchase or sale; awards like RSUs typically align executive incentives with long-term performance and depend on continued employment. No immediate cash transaction or sale of shares occurred.