| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
President and CEO | EVP, Chief Sci. & Tech Officer
1 company
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| 2025-11-17 | ATRA | President and CEO | Sell | 2,915 | $13.19 | $38,437.30 | -2.2% | → |
| 2025-08-18 | ATRA | President and CEO | Sell | 2,958 | $11.62 | $34,360.30 | -1.4% | → |
| 2025-05-16 | ATRA | President and CEO | Sell | 3,276 | $6.76 | $22,155.59 | -4.4% | → |
| 2025-03-03 | ATRA | President and CEO | Sell | 3,331 | $7.00 | $23,307.01 | -4.3% | → |
| 2024-11-18 | ATRA | President and CEO | Sell | 1,664 | $11.20 | $18,633.47 | -2.1% | → |
| 2024-08-16 | ATRA | EVP, Chief Sci. & Tech Officer | Sell | 1,821 | $6.63 | $12,071.82 | -1.7% | → |
| 2024-05-16 | ATRA | EVP, Chief Sci. & Tech Officer | Sell | 42,899 | $0.62 | $26,468.68 | -4.6% | → |
| 2024-03-04 | ATRA | EVP, Chief Sci. & Tech Officer | Sell | 10,746 | $0.72 | $7,737.12 | -1.1% | → |
| 2023-11-16 | ATRA | EVP, Chief Sci. & Tech Officer | Sell | 8,856 | $0.39 | $3,444.98 | -3.1% | → |
| 2023-08-16 | ATRA | EVP, Chief Sci. & Tech Officer | Sell | 15,126 | $1.65 | $24,997.43 | -2.5% | → |