Acumen Pharmaceuticals, Inc. ABOS (last ticker on record)
CIK 1576885Its SEC filings (opens in a new tab)
- 95% wipeout
- 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 Nov 2026
- Largest fall in its shares
- 98%
- Jul 2021 to Nov 2026
- Law firms
- 3
- Linked to 5 or more companies
- Lawyers
- 6
- Linked to 5 or more companies
What happened
- 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.
- Cooley LLPFirst linked Apr 2021 · Named in SEC correspondence · 1,634 linked companiesSEC/DOJ scrutiny 0.71× · Went dark 0.44× · 95% wipeout 1.24×
- Ropes & GrayFirst linked Apr 2021 · Named in SEC correspondence · 914 linked companiesSEC/DOJ scrutiny 0.98× · Went dark 0.14× · 95% wipeout 0.92×
- Wilson Sonsini Goodrich & RosatiFirst linked May 2021 · Text search only · 1,468 linked companiesSEC/DOJ scrutiny 1.09× · Went dark 0.60× · 95% wipeout 1.42×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Cooley LLP | Apr 2021 | Named in SEC correspondence | 1,634 | 0.71 | 0.44 | 1.24 |
| Ropes & Gray | Apr 2021 | Named in SEC correspondence | 914 | 0.98 | 0.14 | 0.92 |
| Wilson Sonsini Goodrich & Rosati | May 2021 | Text search only | 1,468 | 1.09 | 0.60 | 1.42 |
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.
- Sarah SellersCooley LLPFirst linked Mar 2022 · Named in SEC correspondence · 13 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.84×
- Darren K. DeStefanoCooley LLPFirst linked Apr 2021 · Named in SEC correspondence · 43 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.32×
- Katherine DenbyCooley LLPFirst linked Apr 2021 · Named in SEC correspondence · 14 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.50×
- Patrick O BrienRopes & GrayFirst linked Apr 2021 · Named in SEC correspondence · 45 linked companiesSEC/DOJ scrutiny 0.98× · Went dark 0.00× · 95% wipeout 1.03×
- Thomas J. DanielskiRopes & GrayFirst linked Apr 2021 · Named in SEC correspondence · 19 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.93×
- Jennifer FangWilson Sonsini Goodrich & RosatiFirst linked May 2021 · Text search only · 15 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.07×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Sarah SellersCooley LLP | Mar 2022 | Named in SEC correspondence | 13 | 0.00 | 0.00 | 1.84 |
| Darren K. DeStefanoCooley LLP | Apr 2021 | Named in SEC correspondence | 43 | 0.00 | 0.00 | 1.32 |
| Katherine DenbyCooley LLP | Apr 2021 | Named in SEC correspondence | 14 | 0.00 | 0.00 | 1.50 |
| Patrick O BrienRopes & Gray | Apr 2021 | Named in SEC correspondence | 45 | 0.98 | 0.00 | 1.03 |
| Thomas J. DanielskiRopes & Gray | Apr 2021 | Named in SEC correspondence | 19 | 0.00 | 0.00 | 0.93 |
| Jennifer FangWilson Sonsini Goodrich & Rosati | May 2021 | Text search only | 15 | 0.00 | 0.00 | 1.07 |