Atara Biotherapeutics, Inc. ATRA (last ticker on record)
CIK 1604464Its SEC filings (opens in a new tab)
- 95% wipeout
- Restructuring
- Delisting notice (not a red flag)
These figures describe clients, not conduct. A lawyer or firm can serve many companies that later had trouble for reasons that have nothing to do with their work, and nothing here says any lawyer or firm did anything wrong.
- Red flags
- 2
- Newest began Jan 2025
- Largest fall in its shares
- 99%
- Apr 2015 to Feb 2026
- Law firms
- 8
- Linked to 5 or more companies
- Lawyers
- 5
- Linked to 5 or more companies
What happened
- Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
- Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
- Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
- Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
- Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
- Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
- Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
- Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
- Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
- Shares down 95% from their high
An SEC release can name a company’s officer, or its stock as what a scheme sold or moved, so the company may be the victim. Each link goes to what to read.
Law firms
The ratios are about all the companies linked to each one, this one included: how many had that outcome, as a multiple of what comparable companies show. 1.00 means no more than expected.
- Sidley AustinFirst linked Sep 2021 · Named in SEC correspondence · 1,210 linked companiesSEC/DOJ scrutiny 1.30× · Went dark 0.14× · 95% wipeout 0.93×
- Cooley LLPFirst linked Apr 2014 · Named in SEC correspondence · 1,634 linked companiesSEC/DOJ scrutiny 0.71× · Went dark 0.44× · 95% wipeout 1.24×
- Davis PolkFirst linked Apr 2014 · Named in SEC correspondence · 1,694 linked companiesSEC/DOJ scrutiny 1.26× · Went dark 0.06× · 95% wipeout 1.02×
- Jones DayFirst linked Jul 2015 · Text search only · 686 linked companiesSEC/DOJ scrutiny 1.25× · Went dark 0.54× · 95% wipeout 1.12×
- Nixon PeabodyFirst linked Sep 2014 · Text search only · 196 linked companiesSEC/DOJ scrutiny 1.13× · Went dark 0.78× · 95% wipeout 0.90×
- Sheppard MullinFirst linked Sep 2014 · Text search only · 392 linked companiesSEC/DOJ scrutiny 1.12× · Went dark 0.81× · 95% wipeout 1.22×
- Fenwick & West LLPFirst linked Jul 2014 · Text search only · 443 linked companiesSEC/DOJ scrutiny 0.95× · Went dark 0.21× · 95% wipeout 1.23×
- Greenberg Glusker Fields Claman & Machtinger LLPFirst linked Apr 2014 · Text search only · 18 linked companiesSEC/DOJ scrutiny 0.51× · Went dark 0.72× · 95% wipeout 1.62×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Sidley Austin | Sep 2021 | Named in SEC correspondence | 1,210 | 1.30 | 0.14 | 0.93 |
| Cooley LLP | Apr 2014 | Named in SEC correspondence | 1,634 | 0.71 | 0.44 | 1.24 |
| Davis Polk | Apr 2014 | Named in SEC correspondence | 1,694 | 1.26 | 0.06 | 1.02 |
| Jones Day | Jul 2015 | Text search only | 686 | 1.25 | 0.54 | 1.12 |
| Nixon Peabody | Sep 2014 | Text search only | 196 | 1.13 | 0.78 | 0.90 |
| Sheppard Mullin | Sep 2014 | Text search only | 392 | 1.12 | 0.81 | 1.22 |
| Fenwick & West LLP | Jul 2014 | Text search only | 443 | 0.95 | 0.21 | 1.23 |
| Greenberg Glusker Fields Claman & Machtinger LLP | Apr 2014 | Text search only | 18 | 0.51 | 0.72 | 1.62 |
Lawyers
The ratios are about all the companies linked to each one, this one included: how many had that outcome, as a multiple of what comparable companies show. 1.00 means no more than expected.
- Helen TheungSidley AustinFirst linked Nov 2023 · Named in SEC correspondence · 10 linked companiesSEC/DOJ scrutiny 2.21× · Went dark 0.00× · 95% wipeout 1.71×
- Peter N. MandelCooley LLPFirst linked Feb 2020 · Named in a filing · 9 linked companiesSEC/DOJ scrutiny 1.09× · Went dark 0.00× · 95% wipeout 2.29×
- Carlton FlemingCooley LLPFirst linked Jul 2014 · Named in SEC correspondence · 28 linked companiesSEC/DOJ scrutiny 0.83× · Went dark 0.00× · 95% wipeout 1.30×
- Jodie M. BourdetCooley LLPFirst linked Apr 2014 · Named in SEC correspondence · 35 linked companiesSEC/DOJ scrutiny 0.60× · Went dark 0.00× · 95% wipeout 2.00×
- Kenneth L. GuernseyCooley LLPFirst linked Apr 2014 · Named in SEC correspondence · 51 linked companiesSEC/DOJ scrutiny 0.56× · Went dark 0.49× · 95% wipeout 1.38×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Helen TheungSidley Austin | Nov 2023 | Named in SEC correspondence | 10 | 2.21 | 0.00 | 1.71 |
| Peter N. MandelCooley LLP | Feb 2020 | Named in a filing | 9 | 1.09 | 0.00 | 2.29 |
| Carlton FlemingCooley LLP | Jul 2014 | Named in SEC correspondence | 28 | 0.83 | 0.00 | 1.30 |
| Jodie M. BourdetCooley LLP | Apr 2014 | Named in SEC correspondence | 35 | 0.60 | 0.00 | 2.00 |
| Kenneth L. GuernseyCooley LLP | Apr 2014 | Named in SEC correspondence | 51 | 0.56 | 0.49 | 1.38 |