Senior insider sale
President and CEO at ATARA BIOTHERAPEUTICS, INC. — senior position signals high conviction
$63.3K
6.62K shares
What this filing means
NGUYEN ANHCO plans to sell 6.62K shares of ATARA BIOTHERAPEUTICS, INC. valued at approximately $63.3K. 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: 0000905148-25-003038
DirectorOfficer· President and CEO
Since Mar 2026
6.62K
Shares to sell
$63.3K
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
8/15/2025
7.79KTotal acquired7.79K
| 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 | 7.79K | — |
| Total | 7.79K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
3.28K
Market value
$22.2K
5/16/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
3.35K
Market value
$41.1K
8/18/2025
Total
Units
6.62K
Value
$63.3K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
5/16/2025 | 3.28K | $22.2K | — | Completed |
| Planned — Approximate Date | ||||
8/18/2025 | 3.35K | $41.1K | NASDAQ | Planned |
| Total | 6.62K | $63.3K | ||