X4 Pharmaceuticals, Inc XFOR (last ticker on record)
CIK 1501697Its 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 Feb 2025
- Largest fall in its shares
- 99%
- Mar 2019 to Aug 2025
- Law firms
- 10
- Linked to 5 or more companies
- Lawyers
- 18
- Linked to 5 or more companies
What happened
- 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)
- Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
- Shares down 95% from their high
- Debt accelerated (Item 2.04)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.
- Gibson, Dunn & Crutcher LLPFirst linked Sep 2025 · Named in SEC correspondence · 1,125 linked companiesSEC/DOJ scrutiny 1.23× · Went dark 0.20× · 95% wipeout 0.96×
- Cooley LLPFirst linked Aug 2019 · Named in SEC correspondence · 1,634 linked companiesSEC/DOJ scrutiny 0.71× · Went dark 0.44× · 95% wipeout 1.24×
- Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.First linked Dec 2018 · Named in a filing · 567 linked companiesSEC/DOJ scrutiny 0.92× · Went dark 0.60× · 95% wipeout 1.20×
- Goodwin ProcterFirst linked Aug 2017 · Named in SEC correspondence · 1,221 linked companiesSEC/DOJ scrutiny 0.79× · Went dark 0.31× · 95% wipeout 1.17×
- HALE AND DORRFirst linked Aug 2017 · Named in a filing · 665 linked companiesSEC/DOJ scrutiny 1.06× · Went dark 0.33× · 95% wipeout 1.26×
- WILMER, CUTLER & PICKERINGFirst linked Aug 2017 · Named in SEC correspondence · 662 linked companiesSEC/DOJ scrutiny 1.14× · Went dark 0.33× · 95% wipeout 1.26×
- Paul HastingsFirst linked Aug 2023 · Text search only · 768 linked companiesSEC/DOJ scrutiny 0.98× · Went dark 0.72× · 95% wipeout 1.09×
- Dechert LLPFirst linked Aug 2020 · Text search only · 434 linked companiesSEC/DOJ scrutiny 0.84× · Went dark 0.41× · 95% wipeout 0.96×
- K&L GatesFirst linked Sep 2017 · Text search only · 723 linked companiesSEC/DOJ scrutiny 1.06× · Went dark 1.35× · 95% wipeout 1.18×
- Foley HoagFirst linked Aug 2017 · Text search only · 186 linked companiesSEC/DOJ scrutiny 0.72× · Went dark 0.95× · 95% wipeout 1.17×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Gibson, Dunn & Crutcher LLP | Sep 2025 | Named in SEC correspondence | 1,125 | 1.23 | 0.20 | 0.96 |
| Cooley LLP | Aug 2019 | Named in SEC correspondence | 1,634 | 0.71 | 0.44 | 1.24 |
| Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. | Dec 2018 | Named in a filing | 567 | 0.92 | 0.60 | 1.20 |
| Goodwin Procter | Aug 2017 | Named in SEC correspondence | 1,221 | 0.79 | 0.31 | 1.17 |
| HALE AND DORR | Aug 2017 | Named in a filing | 665 | 1.06 | 0.33 | 1.26 |
| WILMER, CUTLER & PICKERING | Aug 2017 | Named in SEC correspondence | 662 | 1.14 | 0.33 | 1.26 |
| Paul Hastings | Aug 2023 | Text search only | 768 | 0.98 | 0.72 | 1.09 |
| Dechert LLP | Aug 2020 | Text search only | 434 | 0.84 | 0.41 | 0.96 |
| K&L Gates | Sep 2017 | Text search only | 723 | 1.06 | 1.35 | 1.18 |
| Foley Hoag | Aug 2017 | Text search only | 186 | 0.72 | 0.95 | 1.17 |
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 Sep 2025 · Named in SEC correspondence · 20 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.15×
- Ryan A. MurrGibson, Dunn & Crutcher LLPFirst linked Sep 2025 · Named in SEC correspondence · 77 linked companiesSEC/DOJ scrutiny 0.53× · Went dark 0.77× · 95% wipeout 0.66×
- Gabriela Morales-RiveraGoodwin ProcterFirst linked Jan 2024 · Named in a filing · 19 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.02×
- William D. CollinsGoodwin ProcterFirst linked Jan 2024 · Named in a filing · 24 linked companiesSEC/DOJ scrutiny 1.38× · Went dark 0.00× · 95% wipeout 1.12×
- Eric BlanchardCooley LLPFirst linked Jun 2023 · Named in SEC correspondence · 42 linked companiesSEC/DOJ scrutiny 0.91× · Went dark 0.00× · 95% wipeout 0.84×
- Courtney T. ThorneCooley LLPFirst linked Aug 2019 · Named in SEC correspondence · 27 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.81×
- Daniel I. GoldbergCooley LLPFirst linked Aug 2019 · Named in SEC correspondence · 184 linked companiesSEC/DOJ scrutiny 0.64× · Went dark 0.00× · 95% wipeout 1.03×
- Richard SegalCooley LLPFirst linked Aug 2019 · Named in a filing · 43 linked companiesSEC/DOJ scrutiny 0.57× · Went dark 0.00× · 95% wipeout 1.38×
- John J. CheneyMintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.First linked Mar 2019 · Named in a filing · 7 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.42×
- Jay E. BothwickWILMER, CUTLER & PICKERINGFirst linked Dec 2018 · Named in a filing · 27 linked companiesSEC/DOJ scrutiny 1.57× · Went dark 0.00× · 95% wipeout 0.58×
- Daniel T. KajunskiMintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.First linked Dec 2018 · Named in a filing · 17 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.02×
- John P. CondonMintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.First linked Dec 2018 · Named in a filing · 12 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 1.43×
- Cynthia T. MazareasWILMER, CUTLER & PICKERINGFirst linked Aug 2017 · Named in SEC correspondence · 21 linked companiesSEC/DOJ scrutiny 0.49× · Went dark 0.00× · 95% wipeout 1.13×
- Edwin O ConnorGoodwin ProcterFirst linked Aug 2017 · Named in SEC correspondence · 44 linked companiesSEC/DOJ scrutiny 0.59× · Went dark 0.00× · 95% wipeout 1.33×
- Michael D. MalineGoodwin ProcterFirst linked Aug 2017 · Named in SEC correspondence · 45 linked companiesSEC/DOJ scrutiny 0.73× · Went dark 0.00× · 95% wipeout 1.36×
- Steven D. SingerWILMER, CUTLER & PICKERINGFirst linked Aug 2017 · Named in SEC correspondence · 42 linked companiesSEC/DOJ scrutiny 0.37× · Went dark 0.00× · 95% wipeout 1.27×
- Ryan S. BrewerPaul HastingsFirst linked May 2026 · Text search only · 23 linked companiesSEC/DOJ scrutiny 0.00× · Went dark 0.00× · 95% wipeout 0.00×
- Seo SalimiGoodwin ProcterFirst linked Aug 2017 · Text search only · 56 linked companiesSEC/DOJ scrutiny 0.28× · Went dark 0.00× · 95% wipeout 1.21×
| Name | First linked | How it is known | Linked companies | SEC/DOJ scrutiny | Went dark | 95% wipeout |
|---|---|---|---|---|---|---|
| Melanie E. NearyGibson, Dunn & Crutcher LLP | Sep 2025 | Named in SEC correspondence | 20 | 0.00 | 0.00 | 0.15 |
| Ryan A. MurrGibson, Dunn & Crutcher LLP | Sep 2025 | Named in SEC correspondence | 77 | 0.53 | 0.77 | 0.66 |
| Gabriela Morales-RiveraGoodwin Procter | Jan 2024 | Named in a filing | 19 | 0.00 | 0.00 | 1.02 |
| William D. CollinsGoodwin Procter | Jan 2024 | Named in a filing | 24 | 1.38 | 0.00 | 1.12 |
| Eric BlanchardCooley LLP | Jun 2023 | Named in SEC correspondence | 42 | 0.91 | 0.00 | 0.84 |
| Courtney T. ThorneCooley LLP | Aug 2019 | Named in SEC correspondence | 27 | 0.00 | 0.00 | 0.81 |
| Daniel I. GoldbergCooley LLP | Aug 2019 | Named in SEC correspondence | 184 | 0.64 | 0.00 | 1.03 |
| Richard SegalCooley LLP | Aug 2019 | Named in a filing | 43 | 0.57 | 0.00 | 1.38 |
| John J. CheneyMintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. | Mar 2019 | Named in a filing | 7 | 0.00 | 0.00 | 1.42 |
| Jay E. BothwickWILMER, CUTLER & PICKERING | Dec 2018 | Named in a filing | 27 | 1.57 | 0.00 | 0.58 |
| Daniel T. KajunskiMintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. | Dec 2018 | Named in a filing | 17 | 0.00 | 0.00 | 1.02 |
| John P. CondonMintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. | Dec 2018 | Named in a filing | 12 | 0.00 | 0.00 | 1.43 |
| Cynthia T. MazareasWILMER, CUTLER & PICKERING | Aug 2017 | Named in SEC correspondence | 21 | 0.49 | 0.00 | 1.13 |
| Edwin O ConnorGoodwin Procter | Aug 2017 | Named in SEC correspondence | 44 | 0.59 | 0.00 | 1.33 |
| Michael D. MalineGoodwin Procter | Aug 2017 | Named in SEC correspondence | 45 | 0.73 | 0.00 | 1.36 |
| Steven D. SingerWILMER, CUTLER & PICKERING | Aug 2017 | Named in SEC correspondence | 42 | 0.37 | 0.00 | 1.27 |
| Ryan S. BrewerPaul Hastings | May 2026 | Text search only | 23 | 0.00 | 0.00 | 0.00 |
| Seo SalimiGoodwin Procter | Aug 2017 | Text search only | 56 | 0.28 | 0.00 | 1.21 |