2seventy bio, Inc. TSVT (last ticker on record)
CIK 1860782Its SEC filings (opens in a new tab)
- Restructuring
- 95% wipeout
- 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 Nov 2023
- Largest fall in its shares
- 95%
- Nov 2021 to Nov 2023
- Law firms
- 4
- Linked to 5 or more companies
- Lawyers
- 8
- 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)
- 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.
- Covington & BurlingFirst linked May 2025 · Named in a filing · 447 linked companiesSEC/DOJ scrutiny 1.07× · Went dark 0.27× · 95% wipeout 0.99×
- Goodwin ProcterFirst linked May 2021 · Named in SEC correspondence · 1,221 linked companiesSEC/DOJ scrutiny 0.79× · Went dark 0.31× · 95% wipeout 1.17×
- Akin GumpFirst linked Oct 2021 · Text search only · 582 linked companiesSEC/DOJ scrutiny 1.24× · Went dark 0.52× · 95% wipeout 1.25×
- Dechert LLPFirst linked Sep 2021 · Text search only · 434 linked companiesSEC/DOJ scrutiny 0.84× · Went dark 0.41× · 95% wipeout 0.96×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Covington & Burling | May 2025 | Named in a filing | 447 | 1.07 | 0.27 | 0.99 |
| Goodwin Procter | May 2021 | Named in SEC correspondence | 1,221 | 0.79 | 0.31 | 1.17 |
| Akin Gump | Oct 2021 | Text search only | 582 | 1.24 | 0.52 | 1.25 |
| Dechert LLP | Sep 2021 | Text search only | 434 | 0.84 | 0.41 | 0.96 |
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.
- Catherine J. DarganCovington & BurlingFirst linked May 2025 · Named in a filing · 20 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.35×
- Kerry S. BurkeCovington & BurlingFirst linked May 2025 · Named in a filing · 22 linked companiesSEC/DOJ scrutiny 1.90× · Went dark 0.00× · 95% wipeout 1.10×
- Kyle RabeCovington & BurlingFirst linked May 2025 · Named in a filing · 6 linked companiesSEC/DOJ scrutiny 1.74× · Went dark 0.00× · 95% wipeout 1.30×
- Mark S. OpperGoodwin ProcterFirst linked Apr 2025 · Named in a filing · 12 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.74×
- Robert MasellaGoodwin ProcterFirst linked Apr 2025 · Named in a filing · 7 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.00×
- Michael H. BisonGoodwin ProcterFirst linked Sep 2021 · Named in SEC correspondence · 29 linked companiesSEC/DOJ scrutiny 1.85× · Went dark 0.00× · 95% wipeout 1.22×
- Gregg L. KatzGoodwin ProcterFirst linked Jun 2021 · Named in SEC correspondence · 20 linked companiesSEC/DOJ scrutiny 0.48× · Went dark 0.00× · 95% wipeout 1.81×
- David E. SchulmanDechert LLPFirst linked Sep 2021 · Text search only · 16 linked companiesSEC/DOJ scrutiny 0.63× · Went dark 0.00× · 95% wipeout 1.59×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Catherine J. DarganCovington & Burling | May 2025 | Named in a filing | 20 | 0.00 | 0.00 | 0.35 |
| Kerry S. BurkeCovington & Burling | May 2025 | Named in a filing | 22 | 1.90 | 0.00 | 1.10 |
| Kyle RabeCovington & Burling | May 2025 | Named in a filing | 6 | 1.74 | 0.00 | 1.30 |
| Mark S. OpperGoodwin Procter | Apr 2025 | Named in a filing | 12 | 0.00 | 0.00 | 0.74 |
| Robert MasellaGoodwin Procter | Apr 2025 | Named in a filing | 7 | 0.00 | 0.00 | 0.00 |
| Michael H. BisonGoodwin Procter | Sep 2021 | Named in SEC correspondence | 29 | 1.85 | 0.00 | 1.22 |
| Gregg L. KatzGoodwin Procter | Jun 2021 | Named in SEC correspondence | 20 | 0.48 | 0.00 | 1.81 |
| David E. SchulmanDechert LLP | Sep 2021 | Text search only | 16 | 0.63 | 0.00 | 1.59 |