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 |
|---|---|---|---|---|---|---|
| 2018-11-01 | Newell Joe Chief Tech. Operations Officer | Sale | −1,500 | $35.00 | $53K | 31,858 |
| 2018-11-01 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 74,000 | ||
| 2018-10-23 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,400 | $33.17 | $46K | 45,578 |
| 2018-10-23 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,700 | $34.39 | $58K | 43,878 |
| 2018-10-23 | Ciechanover Isaac E. Chief Executive Officer | Sale | −800 | $35.18 | $28K | 43,078 |
| 2018-10-22 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,105 | $33.66 | $105K | 47,773 |
| 2018-10-22 | Ciechanover Isaac E. Chief Executive Officer | Sale | −795 | $34.26 | $27K | 46,978 |
| 2018-10-05 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,900 | $39.58 | $75K | 52,878 |
| 2018-10-05 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,900 | $40.25 | $76K | 50,978 |
| 2018-10-05 | Ciechanover Isaac E. Chief Executive Officer | Sale | −100 | $41.00 | $4K | 50,878 |
| 2018-10-04 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,600 | $40.09 | $104K | 56,078 |
| 2018-10-04 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,300 | $41.34 | $54K | 54,778 |
| 2018-10-01 | Newell Joe Chief Tech. Operations Officer | Option exercise | +1,500 | $20.40 | $31K | 33,358 |
| 2018-10-01 | Newell Joe Chief Tech. Operations Officer | Sale | −1,100 | $41.02 | $45K | 32,258 |
| 2018-10-01 | Newell Joe Chief Tech. Operations Officer | Sale | −400 | $41.99 | $17K | 31,858 |
| 2018-10-01 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 75,500 | ||
| 2018-09-26 | Haqq Christopher EVP, R&D & Chief Scientific Of | Sale | −13,500 | $43.08 | $582K | 286,355 |
| 2018-09-25 | Haqq Christopher EVP, R&D & Chief Scientific Of | Sale | −10,000 | $40.26 | $403K | 303,355 |
| 2018-09-25 | Haqq Christopher EVP, R&D & Chief Scientific Of | Sale | −3,500 | $41.23 | $144K | 299,855 |
| 2018-09-24 | Haqq Christopher EVP, R&D & Chief Scientific Of | Sale | −14,069 | $39.74 | $559K | 317,286 |
Page 26 of 29 · 569 trades