Amar Murugan
First SEC filing: Aug. 20, 2024 · Latest: Aug. 20, 2024
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 16, 2024 | ATRA | S | 89 | $6.63 | $590 | 26,827 Direct | -0.33% | Disposed | 43.0% (price as of 2026-10-02) |
| Aug. 16, 2024 | ATRA | S | 192 | $6.63 | $1,273 | 26,916 Direct | -0.71% | Disposed | 43.0% (price as of 2026-10-02) |
| Aug. 16, 2024 | ATRA | S | 877 | $6.63 | $5,815 | 27,108 Direct | -3.13% | Disposed | 43.0% (price as of 2026-10-02) |
| May 16, 2024 | ATRA | S | 32,401 | $0.62 | $20,089 | 695,120 Direct | -4.45% | Disposed | -38.8% (price as of 2026-10-02) |
| March 4, 2024 | ATRA | S | 10,044 | $0.72 | $7,232 | 727,521 Direct | -1.36% | Disposed | -47.3% (price as of 2026-10-02) |
| Jan. 8, 2024 | ATRA | A | 475,000 | · | · | 737,565 Direct | +180.91% | Acquired | (price as of 2026-10-02) |
| Nov. 16, 2023 | ATRA | S | 8,307 | $0.39 | $3,240 | 257,084 Direct | -3.13% | Disposed | -2.8% (price as of 2026-10-02) |
| Aug. 16, 2023 | ATRA | S | 3,622 | $1.65 | $5,976 | 265,391 Direct | -1.35% | Disposed | -77.0% (price as of 2026-10-02) |
| Aug. 16, 2023 | ATRA | S | 5,050 | $1.65 | $8,332 | 269,013 Direct | -1.84% | Disposed | -77.0% (price as of 2026-10-02) |
| May 16, 2023 | ATRA | S | 985 | $2.04 | $2,009 | 270,945 Direct | -0.36% | Disposed | -81.4% (price as of 2026-10-02) |
| May 16, 2023 | ATRA | S | 7,404 | $2.04 | $15,104 | 271,930 Direct | -2.65% | Disposed | -81.4% (price as of 2026-10-02) |
| March 2, 2023 | ATRA | S 10b5-1 | 4,221 | $3.63 | $15,322 | 279,334 Direct | -1.49% | Disposed | -89.6% (price as of 2026-10-02) |
| March 1, 2023 | ATRA | A | 349,593 | · | · | 349,593 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2023 | ATRA | A | 155,375 | · | · | 283,555 Direct | +121.22% | Acquired | (price as of 2026-10-02) |
| Nov. 16, 2022 | ATRA | S 10b5-1 | 3,612 | $4.49 | $16,218 | 127,586 Direct | -2.75% | Disposed | -91.6% (price as of 2026-10-02) |
| Aug. 16, 2022 | ATRA | S 10b5-1 | 2,234 | $5.04 | $11,259 | 131,198 Direct | -1.67% | Disposed | -92.5% (price as of 2026-10-02) |
| Aug. 16, 2022 | ATRA | S 10b5-1 | 1,196 | $5.03 | $6,016 | 133,432 Direct | -0.89% | Disposed | -92.5% (price as of 2026-10-02) |
| May 17, 2022 | ATRA | S 10b5-1 | 906 | $5.32 | $4,820 | 133,735 Direct | -0.67% | Disposed | -92.9% (price as of 2026-10-02) |
| May 17, 2022 | ATRA | S 10b5-1 | 2,317 | $5.32 | $12,326 | 134,641 Direct | -1.69% | Disposed | -92.9% (price as of 2026-10-02) |
| March 1, 2022 | ATRA | A | 97,398 | · | · | 97,398 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2022 | ATRA | S 10b5-1 | 1,112 | $9.86 | $10,964 | 136,958 Direct | -0.81% | Disposed | -96.2% (price as of 2026-10-02) |
| March 1, 2022 | ATRA | S 10b5-1 | 1,465 | $9.86 | $14,445 | 138,070 Direct | -1.05% | Disposed | -96.2% (price as of 2026-10-02) |
| March 1, 2022 | ATRA | A | 51,814 | · | · | 139,535 Direct | +59.07% | Acquired | (price as of 2026-10-02) |
| Nov. 16, 2021 | ATRA | S 10b5-1 | 2,124 | $17.12 | $36,363 | 87,540 Direct | -2.37% | Disposed | -97.8% (price as of 2026-10-02) |
| Aug. 17, 2021 | ATRA | S 10b5-1 | 2,080 | $12.53 | $26,062 | 89,664 Direct | -2.27% | Disposed | -97.0% (price as of 2026-10-02) |
| May 18, 2021 | ATRA | S 10b5-1 | 5,681 | $14.55 | $82,659 | 91,744 Direct | -5.83% | Disposed | -97.4% (price as of 2026-10-02) |
| March 1, 2021 | ATRA | A | 63,028 | · | · | 63,028 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2021 | ATRA | A | 41,756 | · | · | 97,425 Direct | +75.01% | Acquired | (price as of 2026-10-02) |
| April 20, 2020 | ATRA | A | 110,000 | · | · | 110,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 20, 2020 | ATRA | A | 55,000 | · | · | 55,000 Direct | · | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 1, 2023 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $3.91 | Feb. 28, 2033 | 349,593 | Acquired |
| March 1, 2022 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $10.21 | Feb. 28, 2032 | 97,398 | Acquired |
| March 1, 2021 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $17.10 | Feb. 28, 2031 | 63,028 | Acquired |
| April 20, 2020 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $8.20 | April 19, 2030 | 110,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $447,654 | $49,247 | $266,000 | · | · | · | $115,527 | $878,428 |
| 2021 | $430,962 | · | · | $714,252 | $170,760 | · | $10,042 | $2,040,252 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.