CIK 0001604464 · Non-accelerated filer<br>Smaller reporting company
Atara Biotherapeutics, Inc.
Sign in to watch- Ticker
- ATRA
- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 460920988
- Phone
- 805-623-4211
- Business address
- 1280 RANCHO CONEJO BLVD, THOUSAND OAKS, CA, 91320
- Open-market buys, last 90 days
- $999,994
- in 1 filing
- Open-market sales, last 90 days
- $40,883
- in 1 filing
Net +$959,111. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2019-04-01 | Newell Joe Chief Tech. Operations Officer | Sale | −1,500 | $39.96 | $60K | 62,146 |
| 2019-04-01 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 66,500 | ||
| 2019-03-29 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,700 | $39.81 | $147K | 320,137 |
| 2019-03-29 | Ciechanover Isaac E. Chief Executive Officer | Sale | −200 | $41.70 | $8K | 319,937 |
| 2019-03-28 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,000 | $36.75 | $74K | 325,737 |
| 2019-03-28 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,600 | $38.02 | $61K | 324,137 |
| 2019-03-28 | Ciechanover Isaac E. Chief Executive Officer | Sale | −300 | $38.59 | $12K | 323,837 |
| 2019-03-26 | Koppikar Utpal Chief Financial Officer | Grant or award | +10,000 | 74,063 | ||
| 2019-03-26 | Kim Mina Senior VP & General Counsel | Grant or award | +10,000 | 70,063 | ||
| 2019-03-26 | Newell Joe Chief Tech. Operations Officer | Grant or award | +15,000 | 62,146 | ||
| 2019-03-26 | Berger Dietmar Global Head of R&D | Grant or award | +15,000 | 90,000 | ||
| 2019-03-26 | Porter Derrell SVP, Head of Global Commercial | Grant or award | +10,000 | 31,688 | ||
| 2019-03-15 | MARCUS JOEL S Director | Sale | −20,000 | $38.25 | $765K | 888,355 |
| 2019-03-15 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,900 | $38.73 | $151K | 327,737 |
| 2019-03-14 | Ciechanover Isaac E. Chief Executive Officer | Sale | −700 | $39.10 | $27K | 334,837 |
| 2019-03-14 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,200 | $40.48 | $130K | 331,637 |
| 2019-03-01 | Newell Joe Chief Tech. Operations Officer | Option exercise | +1,500 | $20.40 | $31K | 48,646 |
| 2019-03-01 | Newell Joe Chief Tech. Operations Officer | Sale | −1,300 | $36.04 | $47K | 47,346 |
| 2019-03-01 | Newell Joe Chief Tech. Operations Officer | Sale | −200 | $36.75 | $7K | 47,146 |
| 2019-03-01 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 68,000 |
Page 21 of 29 · 569 trades