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 |
|---|---|---|---|---|---|---|
| 2018-09-24 | Haqq Christopher EVP, R&D & Chief Scientific Of | Sale | −3,931 | $40.53 | $159K | 313,355 |
| 2018-09-22 | Ciechanover Isaac E. Chief Executive Officer | Shares withheld for taxes | −79,328 | $39.85 | $3.2M | 733,285 |
| 2018-09-22 | Soffer Gad EVP & Chief Strategy Officer | Shares withheld for taxes | −22,158 | $39.85 | $883K | 243,966 |
| 2018-09-19 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,900 | $39.99 | $156K | 58,678 |
| 2018-09-18 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,900 | $39.62 | $155K | 62,578 |
| 2018-09-11 | Baynes Roy D. Director | Grant or award · Stock Option (Right to Buy) | +16,500 | 16,500 | ||
| 2018-09-07 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,073 | $39.74 | $82K | 68,305 |
| 2018-09-07 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,827 | $40.23 | $74K | 66,478 |
| 2018-09-06 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,780 | $38.45 | $107K | 71,498 |
| 2018-09-06 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,120 | $39.42 | $44K | 70,378 |
| 2018-09-04 | Newell Joe Chief Tech. Operations Officer | Option exercise | +1,500 | $20.40 | $31K | 33,358 |
| 2018-09-04 | Newell Joe Chief Tech. Operations Officer | Sale | −1,002 | $39.16 | $39K | 32,356 |
| 2018-09-04 | Newell Joe Chief Tech. Operations Officer | Sale | −498 | $40.04 | $20K | 31,858 |
| 2018-09-04 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 77,000 | ||
| 2018-08-21 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,900 | $36.69 | $143K | 74,278 |
| 2018-08-20 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,900 | $36.04 | $141K | 78,178 |
| 2018-08-15 | Soffer Gad EVP & Chief Strategy Officer | Shares withheld for taxes | −382 | $35.90 | $14K | 266,124 |
| 2018-08-15 | Haqq Christopher EVP, R&D & Chief Scientific Of | Sale | −775 | $37.54 | $29K | 331,355 |
| 2018-08-07 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,600 | $37.35 | $134K | 82,378 |
| 2018-08-07 | Ciechanover Isaac E. Chief Executive Officer | Sale | −300 | $37.75 | $11K | 82,078 |
Page 27 of 29 · 569 trades