Korsana Biosciences, Inc. KRSA (last ticker on record)
CIK 1755237Its SEC filings (opens in a new tab)
- 95% wipeout
- Delisting notice (not a red flag)
- Restructuring
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 Oct 2022
- Largest fall in its shares
- 99%
- Apr 2019 to Feb 2026
- Law firms
- 6
- Linked to 5 or more companies
- Lawyers
- 11
- 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)
- Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
- Shares down 95% from their high
- Exit or disposal costs (Item 2.05)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.
- Gennari Aronson, LLPFirst linked Dec 2023 · Named in SEC correspondence · 5 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.00×
- Foley HoagFirst linked Jul 2020 · Named in a filing · 186 linked companiesSEC/DOJ scrutiny 0.72× · Went dark 0.95× · 95% wipeout 1.17×
- Morgan LewisFirst linked Apr 2019 · Named in SEC correspondence · 1,028 linked companiesSEC/DOJ scrutiny 1.18× · Went dark 0.31× · 95% wipeout 1.02×
- Hughes Hubbard & ReedFirst linked Jan 2019 · Named in SEC correspondence · 121 linked companiesSEC/DOJ scrutiny 1.17× · Went dark 0.21× · 95% wipeout 1.26×
- Ropes & GrayFirst linked Jan 2019 · Named in SEC correspondence · 914 linked companiesSEC/DOJ scrutiny 0.98× · Went dark 0.14× · 95% wipeout 0.92×
- DLA PiperFirst linked Jan 2019 · Text search only · 1,184 linked companiesSEC/DOJ scrutiny 1.00× · Went dark 0.45× · 95% wipeout 1.20×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Gennari Aronson, LLP | Dec 2023 | Named in SEC correspondence | 5 | 0.00 | 0.00 | 0.00 |
| Foley Hoag | Jul 2020 | Named in a filing | 186 | 0.72 | 0.95 | 1.17 |
| Morgan Lewis | Apr 2019 | Named in SEC correspondence | 1,028 | 1.18 | 0.31 | 1.02 |
| Hughes Hubbard & Reed | Jan 2019 | Named in SEC correspondence | 121 | 1.17 | 0.21 | 1.26 |
| Ropes & Gray | Jan 2019 | Named in SEC correspondence | 914 | 0.98 | 0.14 | 0.92 |
| DLA Piper | Jan 2019 | Text search only | 1,184 | 1.00 | 0.45 | 1.20 |
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.
- Zachary BlumeRopes & GrayFirst linked Apr 2026 · Named in a filing · 31 linked companiesSEC/DOJ scrutiny 1.30× · Went dark 1.69× · 95% wipeout 0.52×
- Neil H. AronsonGennari Aronson, LLPFirst linked Dec 2023 · Named in SEC correspondence · 14 linked companiesSEC/DOJ scrutiny 0.73× · Went dark 0.94× · 95% wipeout 0.43×
- Ryan M. Rourke ReedFoley HoagFirst linked Jul 2023 · Named in a filing · 9 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.13×
- Gary J. SimonHughes Hubbard & ReedFirst linked Jul 2020 · Named in SEC correspondence · 38 linked companiesSEC/DOJ scrutiny 0.48× · Went dark 0.00× · 95% wipeout 1.14×
- John D. HancockFoley HoagFirst linked Jul 2020 · Named in a filing · 25 linked companiesSEC/DOJ scrutiny 1.24× · Went dark 0.00× · 95% wipeout 0.82×
- Bryan S. KeigheryMorgan LewisFirst linked Apr 2019 · Named in SEC correspondence · 18 linked companiesSEC/DOJ scrutiny 1.06× · Went dark 0.00× · 95% wipeout 0.85×
- Laurie A. CervenyMorgan LewisFirst linked Apr 2019 · Named in SEC correspondence · 22 linked companiesSEC/DOJ scrutiny 1.32× · Went dark 1.30× · 95% wipeout 0.53×
- William J. MichenerRopes & GrayFirst linked Mar 2019 · Named in SEC correspondence · 21 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.27×
- Melanie E. NearyGibson, Dunn & Crutcher LLPFirst linked Apr 2026 · Text search only · 20 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.15×
- Kenneth A. LefkowitzHughes Hubbard & ReedFirst linked Jan 2019 · Text search only · 24 linked companiesSEC/DOJ scrutiny 0.37× · Went dark 0.00× · 95% wipeout 0.90×
- Paul KinsellaRopes & GrayFirst linked Jan 2019 · Text search only · 54 linked companiesSEC/DOJ scrutiny 1.70× · Went dark 0.39× · 95% wipeout 0.66×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Zachary BlumeRopes & Gray | Apr 2026 | Named in a filing | 31 | 1.30 | 1.69 | 0.52 |
| Neil H. AronsonGennari Aronson, LLP | Dec 2023 | Named in SEC correspondence | 14 | 0.73 | 0.94 | 0.43 |
| Ryan M. Rourke ReedFoley Hoag | Jul 2023 | Named in a filing | 9 | 0.00 | 0.00 | 1.13 |
| Gary J. SimonHughes Hubbard & Reed | Jul 2020 | Named in SEC correspondence | 38 | 0.48 | 0.00 | 1.14 |
| John D. HancockFoley Hoag | Jul 2020 | Named in a filing | 25 | 1.24 | 0.00 | 0.82 |
| Bryan S. KeigheryMorgan Lewis | Apr 2019 | Named in SEC correspondence | 18 | 1.06 | 0.00 | 0.85 |
| Laurie A. CervenyMorgan Lewis | Apr 2019 | Named in SEC correspondence | 22 | 1.32 | 1.30 | 0.53 |
| William J. MichenerRopes & Gray | Mar 2019 | Named in SEC correspondence | 21 | 0.00 | 0.00 | 1.27 |
| Melanie E. NearyGibson, Dunn & Crutcher LLP | Apr 2026 | Text search only | 20 | 0.00 | 0.00 | 0.15 |
| Kenneth A. LefkowitzHughes Hubbard & Reed | Jan 2019 | Text search only | 24 | 0.37 | 0.00 | 0.90 |
| Paul KinsellaRopes & Gray | Jan 2019 | Text search only | 54 | 1.70 | 0.39 | 0.66 |