Senior insider sale
Chief Accounting Officer at ATARA BIOTHERAPEUTICS, INC. — senior position signals high conviction
$40.2K
4.27K shares
What this filing means
GRANT-HUERTA YANINA plans to sell 4.27K shares of ATARA BIOTHERAPEUTICS, INC. valued at approximately $40.2K. 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: 8/18/2025ACC: 0000905148-25-003037
Officer· Chief Accounting Officer
Since Mar 2026
4.27K
Shares to sell
$40.2K
Approx. market value
4.76K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Settlement of vested RSUs issued under an S-8 Registration Plan
Equity compensation for services rendered
8/15/2025
4.76KTotal acquired4.76K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
8/15/2025 | Settlement of vested RSUs issued under an S-8 Registration Plan Equity compensation for services rendered | 4.76K | — |
| Total | 4.76K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
2.22K
Market value
$15.0K
5/16/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
2.05K
Market value
$25.2K
8/18/2025
Total
Units
4.27K
Value
$40.2K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
5/16/2025 | 2.22K | $15.0K | — | Completed |
| Planned — Approximate Date | ||||
8/18/2025 | 2.05K | $25.2K | NASDAQ | Planned |
| Total | 4.27K | $40.2K | ||