Senior insider sale
President and CEO at ATARA BIOTHERAPEUTICS, INC. — senior position signals high conviction
$80.4K
6.30K shares
What this filing means
NGUYEN ANHCO plans to sell 6.30K shares of ATARA BIOTHERAPEUTICS, INC. valued at approximately $80.4K. 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: 11/17/2025ACC: 0000905148-25-004102
DirectorOfficer· President and CEO
Since Mar 2026
6.30K
Shares to sell
$80.4K
Approx. market value
7.79K
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
11/15/2025
7.79KTotal acquired7.79K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
11/15/2025 | Settlement of vested RSUs issued under an S-8 Registration Plan Equity compensation for services rendered | 7.79K | — |
| Total | 7.79K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
2.96K
Market value
$34.4K
8/18/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
3.35K
Market value
$46.0K
11/17/2025
Total
Units
6.30K
Value
$80.4K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
8/18/2025 | 2.96K | $34.4K | — | Completed |
| Planned — Approximate Date | ||||
11/17/2025 | 3.35K | $46.0K | NASDAQ | Planned |
| Total | 6.30K | $80.4K | ||