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 |
|---|---|---|---|---|---|---|
| 2018-12-27 | Ciechanover Isaac E. Chief Executive Officer | Sale | −653 | $34.19 | $22K | 15,778 |
| 2018-12-13 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,900 | $42.75 | $167K | 19,678 |
| 2018-12-12 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,900 | $42.56 | $166K | 23,578 |
| 2018-12-03 | Newell Joe Chief Tech. Operations Officer | Option exercise | +1,500 | $20.40 | $31K | 33,358 |
| 2018-12-03 | Newell Joe Chief Tech. Operations Officer | Sale | −973 | $40.61 | $40K | 32,385 |
| 2018-12-03 | Newell Joe Chief Tech. Operations Officer | Sale | −400 | $41.97 | $17K | 31,985 |
| 2018-12-03 | Newell Joe Chief Tech. Operations Officer | Sale | −127 | $42.54 | $5K | 31,858 |
| 2018-12-03 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 72,500 | ||
| 2018-11-29 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,400 | $41.13 | $58K | 29,978 |
| 2018-11-29 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,500 | $42.26 | $106K | 27,478 |
| 2018-11-28 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,700 | $38.65 | $104K | 32,578 |
| 2018-11-28 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,200 | $39.54 | $47K | 31,378 |
| 2018-11-15 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,100 | $34.67 | $38K | 38,078 |
| 2018-11-15 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,800 | $35.49 | $99K | 35,278 |
| 2018-11-15 | Haqq Christopher EVP, R&D & Chief Scientific Of | Sale | −775 | $33.81 | $26K | 285,580 |
| 2018-11-14 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,300 | $33.89 | $112K | 39,778 |
| 2018-11-14 | Ciechanover Isaac E. Chief Executive Officer | Sale | −600 | $34.51 | $21K | 39,178 |
| 2018-11-07 | MARCUS JOEL S Director | Sale | −10,000 | $36.35 | $364K | 7,590 |
| 2018-11-07 | Gallagher Carol Giltner Director | Sale | −21,374 | $36.38 | $778K | 88,818 |
| 2018-11-01 | Newell Joe Chief Tech. Operations Officer | Option exercise | +1,500 | $20.40 | $31K | 33,358 |
Page 25 of 29 · 569 trades