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ATRA • CIK 0001604464
Loading insider transactions…
People and entities that have reported ownership via Form 3, 3/A, 4, 4/A, 5, 5/A
Parsed transactions from Form 4 (and 3/5) filings (past year)
2 transactions · 611.57K shares
$5.74M total value
6 transactions · 9.78K shares
$103.11K total value
| Filing Date | Insiders | Transactions | Filing |
|---|---|---|---|
| Sep 4, 2026 | Cherry Brian N | Bought 104.17K @ $9.60/share ($999.99K) | View |
| Aug 26, 2026 | Nguyen AnhCo | Sold 5.06K @ $8.0764/share ($40.88K) | View |
| Jun 15, 2026 | Cherry Brian N | Grant/Award: 24.00K shares | View |
| Jun 11, 2026 | HEIDEN WILLIAM K | Grant/Award: 12.00K shares | View |
| Jun 11, 2026 | Fust Matthew K | Grant/Award: 12.00K shares | View |
| May 11, 2026 | EcoR1 Capital, LLC | Bought 507.41K @ $9.35/share ($4.74M) | View |
| Nov 19, 2025 | Nguyen AnhCo | Sold 2.92K @ $13.186/share ($38.44K) | View |
| Nov 19, 2025 | Grant-Huerta Yanina | Sold 1.80K @ $13.1863/share ($23.79K) | View |