Senior insider sale
Chief Accounting Officer at ATARA BIOTHERAPEUTICS, INC. — senior position signals high conviction
$12.8K
2.35K shares
What this filing means
GRANT-HUERTA YANINA plans to sell 2.35K shares of ATARA BIOTHERAPEUTICS, INC. valued at approximately $12.8K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 3/2/2026ACC: 0000905148-26-001100
Officer· Chief Accounting Officer
Since Mar 2026
2.35K
Shares to sell
$12.8K
Approx. market value
4.76K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Settlement of vested RSUs issued under an S-8 Registration Plan
Equity compensation for services rendered
3/1/2026
4.76KTotal acquired4.76K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/1/2026 | Settlement of vested RSUs issued under an S-8 Registration Plan Equity compensation for services rendered | 4.76K | — |
| Total | 4.76K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
2.35K
Market value
$12.8K
3/2/2026
Total
Units
2.35K
Value
$12.8K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
3/2/2026 | 2.35K | $12.8K | NASDAQ | Planned |
| Total | 2.35K | $12.8K | ||