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 |
|---|---|---|---|---|---|---|
| 2019-02-02 | Newell Joe Chief Tech. Operations Officer | Sale | −500 | $38.44 | $19K | 31,858 |
| 2019-02-01 | Newell Joe Chief Tech. Operations Officer | Sale | −500 | $38.44 | $19K | 31,858 |
| 2019-02-01 | Newell Joe Chief Tech. Operations Officer | Option exercise | +1,500 | $20.40 | $31K | 33,358 |
| 2019-02-01 | Newell Joe Chief Tech. Operations Officer | Sale | −1,000 | $37.80 | $38K | 32,358 |
| 2019-02-01 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 69,500 | ||
| 2019-01-24 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,470 | $34.98 | $121K | 296,882 |
| 2019-01-24 | Ciechanover Isaac E. Chief Executive Officer | Sale | −430 | $35.82 | $15K | 296,452 |
| 2019-01-23 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,000 | $34.84 | $105K | 301,252 |
| 2019-01-23 | Ciechanover Isaac E. Chief Executive Officer | Sale | −800 | $35.59 | $28K | 300,452 |
| 2019-01-23 | Ciechanover Isaac E. Chief Executive Officer | Sale | −100 | $36.58 | $4K | 300,352 |
| 2019-01-10 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,700 | $33.93 | $58K | 6,278 |
| 2019-01-10 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,200 | $34.50 | $76K | 4,078 |
| 2019-01-09 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,900 | $34.51 | $66K | 9,978 |
| 2019-01-09 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,000 | $35.16 | $70K | 7,978 |
| 2019-01-02 | Newell Joe Chief Tech. Operations Officer | Option exercise | +1,500 | $20.40 | $31K | 33,358 |
| 2019-01-02 | Newell Joe Chief Tech. Operations Officer | Sale | −1,500 | $35.00 | $53K | 31,858 |
| 2019-01-02 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 71,000 | ||
| 2018-12-28 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,400 | $34.60 | $118K | 12,378 |
| 2018-12-28 | Ciechanover Isaac E. Chief Executive Officer | Sale | −500 | $35.40 | $18K | 11,878 |
| 2018-12-27 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,247 | $32.82 | $107K | 16,431 |
Page 24 of 29 · 569 trades