Adverum Biotechnologies, Inc. ADVM (last ticker on record)

CIK 1501756Its SEC filings (opens in a new tab)

95% wipeout
Restructuring
Restatement
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: 3; Newest began Mar 2025
Largest fall in its shares: 99%; Jun 2020 to May 2025
Law firms: 9; Linked to 5 or more companies
Lawyers: 17; Linked to 5 or more companies

What happened

Dec 9, 2025Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Mar 31, 2025Said its accounts could not be relied on (Item 4.02)Form 8-K (opens in a new tab)
May 19, 2023Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Nov 25, 2022Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Jul 6, 2022Exit or disposal costs (Item 2.05)Form 8-K (opens in a new tab)
Mar 3, 2022Shares down 95% from their high
Mar 24, 2017Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Feb 10, 2017Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Sep 2, 2016Delisting notice (Item 3.01)Form 8-K (opens in a new tab)
Dec 22, 2015Exit 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.

Law firms linked to this company
Name	First linked	How it is known	Linked companies	SEC/DOJ scrutiny	Went dark	95% wipeout
Ropes & Gray	Dec 2025	Named in a filing	914	0.98	0.14	0.92
Munger Tolles & Olson	Mar 2016	Named in a filing	80	1.57	0.00	0.87
Cooley LLP	Jan 2015	Named in SEC correspondence	1,634	0.71	0.44	1.24
Covington & Burling	May 2014	Named in SEC correspondence	447	1.07	0.27	0.99
Latham & Watkins LLP	May 2014	Named in SEC correspondence	2,667	0.98	0.31	1.10
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.	Aug 2017	Text search only	567	0.92	0.60	1.20
Orrick, Herrington & Sutcliffe LLP	Jun 2014	Text search only	500	1.12	0.61	1.08
DLA Piper	May 2014	Text search only	1,184	1.00	0.45	1.20
Wilson Sonsini Goodrich & Rosati	May 2014	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.

Lawyers linked to this company
Name	First linked	How it is known	Linked companies	SEC/DOJ scrutiny	Went dark	95% wipeout
Emily OldshueRopes & Gray	Dec 2025	Named in a filing	18	1.28	0.00	0.26
Jason L. KentCooley LLP	Dec 2024	Named in a filing	25	1.07	0.00	1.01
Julia BoeschCooley LLP	Jan 2024	Named in SEC correspondence	14	0.00	0.00	1.30
Sara SemnaniCooley LLP	Mar 2023	Named in a filing	11	0.00	0.00	0.80
Christopher P. DavisKleinberg Kaplan Wolff & Cohen	Apr 2021	Named in SEC correspondence	17	0.65	4.87	1.91
Graham RobinsonSkadden, Arps, Slate, Meagher & Flom LLP	Apr 2021	Named in SEC correspondence	42	0.70	0.00	0.69
Richard J. GrossmanSkadden, Arps, Slate, Meagher & Flom LLP	Apr 2021	Named in SEC correspondence	48	0.33	0.00	0.99
Brett D. WhiteCooley LLP	Aug 2019	Named in SEC correspondence	55	0.27	0.84	0.97
Jodie M. BourdetCooley LLP	Mar 2018	Named in a filing	35	0.60	0.00	2.00
Kenneth L. GuernseyCooley LLP	Oct 2017	Named in SEC correspondence	51	0.56	0.49	1.38
Kevin S. MasudaMunger Tolles & Olson	May 2016	Named in a filing	8	0.00	0.00	0.71
Benjamin A. PotterLatham & Watkins LLP	Jul 2014	Named in SEC correspondence	16	0.88	0.00	1.08
Eric BlanchardCooley LLP	Jul 2014	Named in SEC correspondence	42	0.91	0.00	0.84
Alan C. MendelsonLatham & Watkins LLP	May 2014	Named in SEC correspondence	95	0.60	0.19	1.35
Robert W. PhillipsCooley LLP	May 2014	Named in SEC correspondence	40	0.67	1.05	1.02
Todd A. HambletCooley LLP	May 2014	Named in SEC correspondence	10	1.65	0.00	0.42
Ben PotterLatham & Watkins LLP	Jul 2014	Text search only	7	0.00	0.00	0.45