ClearSign Technologies Corp CLIR (last ticker on record)

CIK 1434524Its SEC filings (opens in a new tab)

95% wipeout
Restructuring
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 Oct 2024
Largest fall in its shares: 97%; Jan 2014 to Jul 2026
Law firms: 6; Linked to 5 or more companies
Lawyers: 13; Linked to 5 or more companies

What happened

Sep 30, 2025Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Aug 8, 2025Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Apr 4, 2025Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Oct 30, 2024Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Oct 1, 2024Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
May 3, 2024Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Nov 27, 2023Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
May 2, 2023Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Nov 4, 2022Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Jun 22, 2020Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Mar 16, 2020Shares down 95% from their high
Jan 17, 2020Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Apr 18, 2019Delisting 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.

Law firms linked to this company
Name	First linked	How it is known	Linked companies	SEC/DOJ scrutiny	Went dark	95% wipeout
Cooley LLP	Nov 2017	Named in a filing	1,634	0.71	0.44	1.24
Mitchell Silberberg & Knupp LLP	Dec 2015	Named in SEC correspondence	67	2.28	1.77	1.64
Richardson & Patel LLP	Nov 2011	Named in a filing	215	1.07	1.41	1.28
Law Offices of Aaron A. Grunfeld &	Nov 2011	Text search only	15	0.00	0.00	0.89
Manatt, Phelps & Phillips, LLP	Nov 2011	Text search only	169	0.88	0.82	1.25
Perkins Coie	Nov 2011	Text search only	511	0.93	0.27	0.98

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.

Lawyers linked to this company
Name	First linked	How it is known	Linked companies	SEC/DOJ scrutiny	Went dark	95% wipeout
Gabriel MirandaMitchell Silberberg & Knupp LLP	Mar 2025	Named in SEC correspondence	7	0.00	0.00	2.12
Blake BaronMitchell Silberberg & Knupp LLP	Jul 2021	Named in SEC correspondence	24	2.13	2.49	2.35
Mary Ann SaponeRichardson & Patel LLP	Jun 2019	Named in a filing	21	2.36	2.18	1.61
Melanie FigueroaMitchell Silberberg & Knupp LLP	Aug 2018	Named in SEC correspondence	14	0.78	2.65	1.88
Alan HambeltonCooley LLP	Nov 2017	Named in a filing	25	0.37	0.00	1.76
Sonya EricksonCooley LLP	Nov 2017	Named in a filing	18	0.00	0.00	2.04
Andrew D. HuddersGolenbock Eiseman Assor Bell & Peskoe LLP	Dec 2011	Named in a filing	53	0.70	1.65	1.32
Carl Van DemarkGolenbock Eiseman Assor Bell & Peskoe LLP	Dec 2011	Named in a filing	12	0.00	0.00	1.32
Erick RichardsonRichardson & Patel LLP	Nov 2011	Named in a filing	44	1.68	1.64	1.72
Kevin FriedmannRichardson & Patel LLP	Nov 2011	Named in SEC correspondence	33	1.80	1.73	2.22
Aaron A. GrunfeldLaw Offices of Aaron A. Grunfeld &	Nov 2011	Text search only	34	0.28	0.82	1.33
David F. McSheaPerkins Coie	Nov 2011	Text search only	16	1.14	0.00	1.20
Peter HoganRichardson & Patel LLP	Nov 2011	Text search only	36	1.87	1.30	1.41