Protagonist Therapeutics, Inc PTGX (last ticker on record)
CIK 1377121Its SEC filings (opens in a new tab)
- 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
- 0
- None on record
- Largest fall in its shares
- —
- None of 95% on record
- Law firms
- 4
- Linked to 5 or more companies
- Lawyers
- 9
- Linked to 5 or more companies
What happened
- Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
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.
- Gibson, Dunn & Crutcher LLPFirst linked Sep 2018 · Named in SEC correspondence · 1,125 linked companiesSEC/DOJ scrutiny 1.23× · Went dark 0.20× · 95% wipeout 0.96×
- Cooley LLPFirst linked May 2016 · Named in SEC correspondence · 1,634 linked companiesSEC/DOJ scrutiny 0.71× · Went dark 0.44× · 95% wipeout 1.24×
- Latham & Watkins LLPFirst linked May 2016 · Named in SEC correspondence · 2,667 linked companiesSEC/DOJ scrutiny 0.98× · Went dark 0.31× · 95% wipeout 1.10×
- Wyrick Robbins Yates & Ponton LLPFirst linked May 2016 · Text search only · 113 linked companiesSEC/DOJ scrutiny 0.71× · Went dark 0.68× · 95% wipeout 1.07×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Gibson, Dunn & Crutcher LLP | Sep 2018 | Named in SEC correspondence | 1,125 | 1.23 | 0.20 | 0.96 |
| Cooley LLP | May 2016 | Named in SEC correspondence | 1,634 | 0.71 | 0.44 | 1.24 |
| Latham & Watkins LLP | May 2016 | Named in SEC correspondence | 2,667 | 0.98 | 0.31 | 1.10 |
| Wyrick Robbins Yates & Ponton LLP | May 2016 | Text search only | 113 | 0.71 | 0.68 | 1.07 |
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.
- Melanie E. NearyGibson, Dunn & Crutcher LLPFirst linked Aug 2025 · Named in a filing · 20 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.15×
- Ryan A. MurrGibson, Dunn & Crutcher LLPFirst linked Feb 2022 · Named in SEC correspondence · 77 linked companiesSEC/DOJ scrutiny 0.53× · Went dark 0.77× · 95% wipeout 0.66×
- Peter N. MandelCooley LLPFirst linked Oct 2017 · Named in SEC correspondence · 9 linked companiesSEC/DOJ scrutiny 1.09× · Went dark 0.00× · 95% wipeout 2.29×
- Josh SeidenfeldCooley LLPFirst linked Jul 2016 · Named in SEC correspondence · 10 linked companiesSEC/DOJ scrutiny 1.77× · Went dark 0.00× · 95% wipeout 1.42×
- Kenneth L. GuernseyCooley LLPFirst linked Jul 2016 · Named in SEC correspondence · 51 linked companiesSEC/DOJ scrutiny 0.56× · Went dark 0.49× · 95% wipeout 1.38×
- Brian J. CuneoLatham & Watkins LLPFirst linked May 2016 · Named in SEC correspondence · 71 linked companiesSEC/DOJ scrutiny 0.54× · Went dark 0.00× · 95% wipeout 1.81×
- Glen Y. SatoCooley LLPFirst linked May 2016 · Named in SEC correspondence · 17 linked companiesSEC/DOJ scrutiny 1.50× · Went dark 0.00× · 95% wipeout 1.66×
- Michael E. TentaCooley LLPFirst linked May 2016 · Named in SEC correspondence · 37 linked companiesSEC/DOJ scrutiny 0.40× · Went dark 0.00× · 95% wipeout 1.48×
- Michael E. SullivanLatham & Watkins LLPFirst linked Aug 2022 · Text search only · 43 linked companiesSEC/DOJ scrutiny 0.56× · Went dark 0.00× · 95% wipeout 0.79×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Melanie E. NearyGibson, Dunn & Crutcher LLP | Aug 2025 | Named in a filing | 20 | 0.00 | 0.00 | 0.15 |
| Ryan A. MurrGibson, Dunn & Crutcher LLP | Feb 2022 | Named in SEC correspondence | 77 | 0.53 | 0.77 | 0.66 |
| Peter N. MandelCooley LLP | Oct 2017 | Named in SEC correspondence | 9 | 1.09 | 0.00 | 2.29 |
| Josh SeidenfeldCooley LLP | Jul 2016 | Named in SEC correspondence | 10 | 1.77 | 0.00 | 1.42 |
| Kenneth L. GuernseyCooley LLP | Jul 2016 | Named in SEC correspondence | 51 | 0.56 | 0.49 | 1.38 |
| Brian J. CuneoLatham & Watkins LLP | May 2016 | Named in SEC correspondence | 71 | 0.54 | 0.00 | 1.81 |
| Glen Y. SatoCooley LLP | May 2016 | Named in SEC correspondence | 17 | 1.50 | 0.00 | 1.66 |
| Michael E. TentaCooley LLP | May 2016 | Named in SEC correspondence | 37 | 0.40 | 0.00 | 1.48 |
| Michael E. SullivanLatham & Watkins LLP | Aug 2022 | Text search only | 43 | 0.56 | 0.00 | 0.79 |