President and CEO
Avg Cost/Share
$13.19
Shares
2,915
Total Value
$38,437.30
Owned After
65,030
President and CEO
Avg Cost/Share
$11.62
Shares
2,958
Total Value
$34,360.30
Owned After
65,030
President and CEO
Avg Cost/Share
$6.76
Shares
3,276
Total Value
$22,155.59
Owned After
65,030
SEC Form 4
President and CEO
Avg Cost/Share
$7.00
Shares
3,331
Total Value
$23,307.01
Owned After
65,030
SEC Form 4
President and CEO
Avg Cost/Share
$11.20
Shares
1,664
Total Value
$18,633.47
Owned After
65,030
SEC Form 4
EVP, Chief Sci. & Tech Officer
Avg Cost/Share
$6.63
Shares
1,821
Total Value
$12,071.82
Owned After
65,030
EVP, Chief Sci. & Tech Officer
Avg Cost/Share
$0.62
Shares
42,899
Total Value
$26,468.68
Owned After
65,030
SEC Form 4
EVP, Chief Sci. & Tech Officer
Avg Cost/Share
$0.72
Shares
10,746
Total Value
$7,737.12
Owned After
65,030
SEC Form 4
EVP, Chief Sci. & Tech Officer
Avg Cost/Share
$0.39
Shares
8,856
Total Value
$3,444.98
Owned After
65,030
SEC Form 4
| Insider | Ticker | Relationship | Date | Transaction | Avg Cost | Shares | Total Value | Owned After | SEC Forms |
|---|---|---|---|---|---|---|---|---|---|
| Nguyen AnhCo | ATRA | President and CEO | Nov 17, 2025 | Sell | $13.19 | 2,915 | $38,437.30 | 65,030 | |
| Nguyen AnhCo | ATRA | President and CEO | Aug 18, 2025 | Sell | $11.62 | 2,958 | $34,360.30 | 65,030 | |
| Nguyen AnhCo | ATRA | President and CEO | May 16, 2025 | Sell | $6.76 | 3,276 | $22,155.59 | 65,030 | |
| Nguyen AnhCo | ATRA | President and CEO | Mar 3, 2025 | Sell | $7.00 | 3,331 | $23,307.01 | 65,030 | |
| Nguyen AnhCo | ATRA | President and CEO | Nov 18, 2024 | Sell | $11.20 | 1,664 | $18,633.47 | 65,030 | |
| Nguyen AnhCo | ATRA | EVP, Chief Sci. & Tech Officer | Aug 16, 2024 | Sell | $6.63 | 1,821 | $12,071.82 | 65,030 | |
| Nguyen AnhCo | ATRA | EVP, Chief Sci. & Tech Officer | May 16, 2024 | Sell | $0.62 | 42,899 | $26,468.68 | 65,030 | |
| Nguyen AnhCo | ATRA | EVP, Chief Sci. & Tech Officer | Mar 4, 2024 | Sell | $0.72 | 10,746 | $7,737.12 | 65,030 | |
| Nguyen AnhCo | ATRA | EVP, Chief Sci. & Tech Officer | Nov 16, 2023 | Sell | $0.39 | 8,856 | $3,444.98 | 65,030 |