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 |
|---|---|---|---|---|---|---|
| 2018-08-06 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,900 | $37.48 | $146K | 85,978 |
| 2018-08-01 | Newell Joe Chief Tech. Operations Officer | Option exercise | +1,500 | $20.40 | $31K | 33,358 |
| 2018-08-01 | Newell Joe Chief Tech. Operations Officer | Sale | −1,000 | $37.09 | $37K | 32,358 |
| 2018-08-01 | Newell Joe Chief Tech. Operations Officer | Sale | −100 | $37.65 | $4K | 32,258 |
| 2018-08-01 | Newell Joe Chief Tech. Operations Officer | Sale | −300 | $39.05 | $12K | 31,958 |
| 2018-08-01 | Newell Joe Chief Tech. Operations Officer | Sale | −100 | $40.40 | $4K | 31,858 |
| 2018-08-01 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −1,500 | 78,500 | ||
| 2018-07-30 | Newell Joe Chief Tech. Operations Officer | Option exercise | +10,000 | $20.40 | $204K | 41,858 |
| 2018-07-30 | Newell Joe Chief Tech. Operations Officer | Sale | −8,100 | $35.64 | $289K | 33,758 |
| 2018-07-30 | Newell Joe Chief Tech. Operations Officer | Sale | −1,900 | $36.37 | $69K | 31,858 |
| 2018-07-30 | Newell Joe Chief Tech. Operations Officer | Option exercise · Employee Stock Option (Right to Buy) | −10,000 | 80,000 | ||
| 2018-07-27 | Koppikar Utpal Chief Financial Officer | Purchase | +2,000 | $36.80 | $74K | 47,000 |
| 2018-07-27 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,200 | $36.55 | $80K | 91,578 |
| 2018-07-27 | Ciechanover Isaac E. Chief Executive Officer | Sale | −1,700 | $37.53 | $64K | 89,878 |
| 2018-07-26 | Ciechanover Isaac E. Chief Executive Officer | Sale | −3,800 | $39.02 | $148K | 93,878 |
| 2018-07-26 | Ciechanover Isaac E. Chief Executive Officer | Sale | −100 | $39.45 | $4K | 93,778 |
| 2018-07-10 | Ciechanover Isaac E. Chief Executive Officer | Sale | −22,300 | $39.93 | $890K | 103,778 |
| 2018-07-10 | Ciechanover Isaac E. Chief Executive Officer | Sale | −6,100 | $40.54 | $247K | 97,678 |
| 2018-07-09 | Ciechanover Isaac E. Chief Executive Officer | Sale | −27,859 | $39.88 | $1.1M | 128,219 |
| 2018-07-09 | Ciechanover Isaac E. Chief Executive Officer | Sale | −2,141 | $40.63 | $87K | 126,078 |
Page 28 of 29 · 569 trades