2 Form 4 filings for ATRA between 2026-07-24 and 2026-08-26, from 2 filers. 2 discretionary (1 sales, 1 purchases). None state a filing-level total — that aggregate began on 2026-08-17 — so each row below shows only its largest transaction.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-26 | Nguyen AnhCo | sold | 5,062 | $8.08 | — | — | |
| 2026-07-24 | Green Jeremy | acquired | 195,211 | — | — | 2 | |
| 2 filings · 2 filers · disclosed totals only | $0 (0/2) | — | |||||