Sonnet BioTherapeutics Holdings, Inc. SONN (last ticker on record)

CIK 1106838Its SEC filings (opens in a new tab)

Restatement
95% wipeout
Delisting notice (not a red flag)
SEC/DOJ scrutiny

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: 3; Newest began Jul 2025
Largest fall in its shares: 99%; Apr 2020 to May 2025
Law firms: 16; Linked to 5 or more companies
Lawyers: 16; Linked to 5 or more companies

What happened

Dec 3, 2025Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Jul 14, 2025A filing mentions a Wells noticeForm 8-K (opens in a new tab)
Jun 2, 2025Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Aug 30, 2024Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Aug 9, 2024Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Dec 15, 2023Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Mar 24, 2023Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Oct 17, 2022Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Aug 25, 2022Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Apr 8, 2022Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Jan 21, 2022Shares down 95% from their high
Oct 7, 2021Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Aug 19, 2021Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Mar 27, 2020Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Feb 18, 2020Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Aug 19, 2019Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Apr 4, 2017Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Feb 15, 2017Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Aug 18, 2016Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Feb 23, 2016Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
May 15, 2014A filing mentions an SEC subpoenaForm 10-Q (opens in a new tab)
Apr 3, 2013A filing mentions an SEC subpoenaForm 10-K (opens in a new tab)
Jan 16, 2013Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Oct 24, 2012Said its accounts could not be relied on (Item 4.02)Form 8-K/A (opens in a new tab)
Sep 10, 2012Said its accounts could not be relied on (Item 4.02)Form 8-K (opens in a new tab)
Sep 4, 2009Said its accounts could not be relied on (Item 4.02)Form 8-K/A (opens in a new tab)
Sep 1, 2009Said its accounts could not be relied on (Item 4.02)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
Lucosky Brookman LLP	Jan 2023	Named in SEC correspondence	223	1.24	2.05	1.19
Lowenstein Sandler	Nov 2019	Named in SEC correspondence	297	1.12	0.70	1.42
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.	Feb 2015	Named in a filing	567	0.92	0.60	1.20
Libertas Law Group	Jan 2015	Named in SEC correspondence	9	3.01	2.19	1.62
Womble Carlyle Sandridge & Rice, LLP	Dec 2013	Named in a filing	110	1.07	0.53	1.03
Roetzel & Andress	Jan 2011	Named in SEC correspondence	12	1.77	2.94	2.10
Reskin & Associates	May 2005	Named in a filing	9	4.76	1.44	1.16
Sullivan & Worcester LLP	Oct 2024	Text search only	212	0.95	0.45	1.06
DLA Piper	Jul 2021	Text search only	1,184	1.00	0.45	1.20
The Crone Law Group	Feb 2020	Text search only	116	1.23	2.14	1.31
Schulte Roth & Zabel	Feb 2020	Text search only	296	0.93	0.44	0.99
Sheppard Mullin	Feb 2020	Text search only	392	1.12	0.81	1.22
K&L Gates	Nov 2019	Text search only	723	1.06	1.35	1.18
Nason, Yeager, Gerson, Harris & Fumero, P.A.	Apr 2015	Text search only	51	1.20	1.08	1.41
Ruskin Moscou Faltischek, P.C.	Apr 2015	Text search only	51	1.26	0.95	1.31
Ellenoff Grossman & Schole LLP	Feb 2015	Text search only	963	0.96	1.12	1.21

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
Tracy BufferLowenstein Sandler	Sep 2023	Named in SEC correspondence	10	2.46	0.00	0.48
Alexander E. DinurLowenstein Sandler	Jun 2020	Named in SEC correspondence	8	1.82	0.00	1.42
Steven M. SkolnickLowenstein Sandler	Nov 2019	Named in SEC correspondence	69	1.23	1.18	1.36
Mark Y. AbdouRichardson & Patel LLP	Jan 2015	Named in a filing	14	1.35	2.72	0.86
Bruce C. RosettoGreenberg Traurig	Dec 2011	Named in a filing	17	1.17	1.13	0.97
Clint J. GageRoetzel & Andress	Jan 2011	Named in SEC correspondence	16	1.87	3.11	1.89
Joel D. MayersohnAtlas Pearlman, P.A.	Jan 2011	Named in SEC correspondence	46	1.75	1.44	1.68
James ReskinReskin & Associates	May 2005	Named in a filing	9	4.89	1.47	1.17
Eric VictorsonSullivan & Worcester LLP	Oct 2024	Text search only	26	0.85	0.00	0.35
Ron Ben-BassatSullivan & Worcester LLP	Oct 2024	Text search only	39	0.44	3.59	0.90
Joseph M. LucoskyLucosky Brookman LLP	Jan 2023	Text search only	188	1.24	1.81	1.24
Steve SkolnickLowenstein Sandler	Aug 2021	Text search only	7	6.08	0.00	1.29
Anna K. SpenceDLA Piper	Jul 2021	Text search only	7	2.14	—	1.18
Robert F. CharronEllenoff Grossman & Schole LLP	May 2019	Text search only	62	1.42	1.11	1.26
Seth I. RubinRuskin Moscou Faltischek, P.C.	Apr 2015	Text search only	11	1.72	2.30	2.31
Joseph SmithLKP Global Law, LLP	Feb 2015	Text search only	12	0.82	3.01	2.30