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Thomas A. Zaccaro

See more on Thomas A. Zaccaro

Senior Counsel
Hueston Hennigan LLP

Los Angeles , CA

Phone: (213) 788-4039

Thomas A. Zaccaro focuses his practice on civil, commercial and criminal litigation in state and federal courts with a special emphasis on defending corporations and executives in government investigations and other criminal and regulatory proceedings. His representations also include general securities litigation, class actions, and shareholder derivative suits.

Boston College Law School



Columns
Title Category Published
The SEC’s recent enforcement actions confirm whistleblower protections Year in Review Column, Securities Nov. 28, 2023
SEC suffers judicial setbacks for administrative hearings Administrative/Regulatory Jun. 6, 2022
SEC enforcement looks forward to strong FY2022 Securities, Government, Criminal, Corporate Dec. 27, 2021
Supreme Court brings clarity to ‘fraud-on-the-market’ theory U.S. Supreme Court, Securities Jun. 30, 2021
Congress sets sights on insider trading legislation Securities, Government Jun. 8, 2021
Getting SPACs right Securities, Corporate Apr. 12, 2021
The SEC wants to know who’s in your Clubhouse Securities, Corporate, Administrative/Regulatory Mar. 2, 2021
The SEC’s successful enforcement year Securities, Government, Administrative/Regulatory Dec. 18, 2020
Opinion invites future battles on limits of SEC disgorgement U.S. Supreme Court, Securities Jun. 24, 2020
Insider trading and COVID-19 Securities, Criminal Apr. 1, 2020
What does the SEC have in store for 2020? Securities, Government, Corporate Jan. 14, 2020
Bill aims to tidy up ‘judicial mess’ of insider trading law Securities, Government, Corporate, Administrative/Regulatory Jul. 1, 2019
Ruling will encourage SEC to pursue broader theories U.S. Supreme Court, Securities Apr. 12, 2019
Securities year in review Securities, Administrative/Regulatory Jan. 29, 2019
SEC in-house judges ruling is the agency's latest in a string of losses U.S. Supreme Court, Securities, Civil Litigation, Corporate, Administrative/Regulatory Jun. 22, 2018
Searching for fraud on the market U.S. Supreme Court, Securities Mar. 19, 2018
SEC announces creation of new ‘Cyber Unit’ Securities, Government, Corporate, Administrative/Regulatory Sep. 28, 2017
DC Circuit ruling confirms split on SEC’s use of in-house judges Securities, Civil Litigation, Government, Corporate, Appellate Practice, Administrative/Regulatory Jul. 10, 2017
Supreme Court says SEC disgorgement is subject to 5-year limitations period U.S. Supreme Court, Securities, Government, Corporate, Administrative/Regulatory Jun. 12, 2017
Year in review: the SEC in 2016 Securities, Government, Corporate, Administrative/Regulatory Jan. 24, 2017
Insider trading questions remain U.S. Supreme Court, Securities, Government, Corporate, Administrative/Regulatory Dec. 9, 2016
The SEC after Obama and White Securities, Government, Corporate, Administrative/Regulatory Dec. 1, 2016
Insider trading conviction likely to stick Corporate Oct. 13, 2016
Justices to weigh tippee liability U.S. Supreme Court, Securities, Government, Administrative/Regulatory Oct. 6, 2016
SEC ALJs continue to draw scrutiny Securities, Corporate, Constitutional Law, Administrative/Regulatory Jul. 22, 2016
SEC taking hard look at private equity Securities, Government, Administrative/Regulatory Jun. 3, 2016
A major win for criminal defense attorneys Securities, Government, Administrative/Regulatory Apr. 27, 2016
2015 a record year for the SEC Securities, Government, Administrative/Regulatory Jan. 12, 2016
Is SEC's home court advantage legal? Securities, Corporate, Constitutional Law, Administrative/Regulatory Aug. 14, 2015
Fairness of SEC forum is dubious Corporate, Constitutional Law, Administrative/Regulatory Jun. 20, 2015
First-of- its-kind action by the SEC Securities, Administrative/Regulatory Apr. 8, 2015
SEC increases enforcement activity in 2014 Securities, Antitrust & Trade Reg., Administrative/Regulatory Nov. 12, 2014
$14 million whistle-blower game changer Securities, Administrative/Regulatory Jan. 24, 2014
$14 million whistle-blower award is a game changer Special Coverage Oct. 30, 2013
$14 million whistle-blower award is a game changer Securities, Government, Administrative/Regulatory Oct. 18, 2013
US high court decision will hasten SEC enforcement actions U.S. Supreme Court, Securities Mar. 11, 2013
SEC Enforcement Division has most productive year in its history Securities Dec. 19, 2011
The New Sheriff in Town Securities, Corporate, Antitrust & Trade Reg. Sep. 3, 2009
The SEC Sheds Light on Enforcement Procedures Securities, Corporate Nov. 1, 2008
Corporations Can Diminish SEC Penalties by Cooperating Securities, Corporate Mar. 29, 2006

Verdicts & Settlements
Case Name Topic Role Published
In Re Mattel Inc. Securities Litigation Securities Defendant Jul. 8, 2022
Securities and Exchange Commission v. Manouchehr Moshayedi Securities Defendant Aug. 9, 2014
In re Countrywide Financial Corporation Securities Litigation Securities Defendant Apr. 2, 2011
In re Sequenom, Inc. Derivative Litigation Securities Defendant Sep. 25, 2010
In re Sequenom, Inc. Securities Litigation Securities Defendant Sep. 4, 2010

MCLE
Title Category Published
SEC suffers judicial setbacks for administrative hearings Administrative/Regulatory Jun. 6, 2022
SEC ALJs continue to draw scrutiny Civil Practice Jul. 22, 2016
Title Category Published
The SEC’s recent enforcement actions confirm whistleblower protections Year in Review Column, Securities Nov. 28, 2023
SEC suffers judicial setbacks for administrative hearings Administrative/Regulatory Jun. 6, 2022
SEC enforcement looks forward to strong FY2022 Securities, Government, Criminal, Corporate Dec. 27, 2021
Supreme Court brings clarity to ‘fraud-on-the-market’ theory U.S. Supreme Court, Securities Jun. 30, 2021
Congress sets sights on insider trading legislation Securities, Government Jun. 8, 2021
Getting SPACs right Securities, Corporate Apr. 12, 2021
The SEC wants to know who’s in your Clubhouse Securities, Corporate, Administrative/Regulatory Mar. 2, 2021
The SEC’s successful enforcement year Securities, Government, Administrative/Regulatory Dec. 18, 2020
Opinion invites future battles on limits of SEC disgorgement U.S. Supreme Court, Securities Jun. 24, 2020
Insider trading and COVID-19 Securities, Criminal Apr. 1, 2020
What does the SEC have in store for 2020? Securities, Government, Corporate Jan. 14, 2020
Bill aims to tidy up ‘judicial mess’ of insider trading law Securities, Government, Corporate, Administrative/Regulatory Jul. 1, 2019
Ruling will encourage SEC to pursue broader theories U.S. Supreme Court, Securities Apr. 12, 2019
Securities year in review Securities, Administrative/Regulatory Jan. 29, 2019
SEC in-house judges ruling is the agency's latest in a string of losses U.S. Supreme Court, Securities, Civil Litigation, Corporate, Administrative/Regulatory Jun. 22, 2018
Searching for fraud on the market U.S. Supreme Court, Securities Mar. 19, 2018
SEC announces creation of new ‘Cyber Unit’ Securities, Government, Corporate, Administrative/Regulatory Sep. 28, 2017
DC Circuit ruling confirms split on SEC’s use of in-house judges Securities, Civil Litigation, Government, Corporate, Appellate Practice, Administrative/Regulatory Jul. 10, 2017
Supreme Court says SEC disgorgement is subject to 5-year limitations period U.S. Supreme Court, Securities, Government, Corporate, Administrative/Regulatory Jun. 12, 2017
Year in review: the SEC in 2016 Securities, Government, Corporate, Administrative/Regulatory Jan. 24, 2017
Insider trading questions remain U.S. Supreme Court, Securities, Government, Corporate, Administrative/Regulatory Dec. 9, 2016
The SEC after Obama and White Securities, Government, Corporate, Administrative/Regulatory Dec. 1, 2016
Insider trading conviction likely to stick Corporate Oct. 13, 2016
Justices to weigh tippee liability U.S. Supreme Court, Securities, Government, Administrative/Regulatory Oct. 6, 2016
SEC ALJs continue to draw scrutiny Securities, Corporate, Constitutional Law, Administrative/Regulatory Jul. 22, 2016
SEC taking hard look at private equity Securities, Government, Administrative/Regulatory Jun. 3, 2016
A major win for criminal defense attorneys Securities, Government, Administrative/Regulatory Apr. 27, 2016
2015 a record year for the SEC Securities, Government, Administrative/Regulatory Jan. 12, 2016
Is SEC's home court advantage legal? Securities, Corporate, Constitutional Law, Administrative/Regulatory Aug. 14, 2015
Fairness of SEC forum is dubious Corporate, Constitutional Law, Administrative/Regulatory Jun. 20, 2015
First-of- its-kind action by the SEC Securities, Administrative/Regulatory Apr. 8, 2015
SEC increases enforcement activity in 2014 Securities, Antitrust & Trade Reg., Administrative/Regulatory Nov. 12, 2014
$14 million whistle-blower game changer Securities, Administrative/Regulatory Jan. 24, 2014
$14 million whistle-blower award is a game changer Special Coverage Oct. 30, 2013
$14 million whistle-blower award is a game changer Securities, Government, Administrative/Regulatory Oct. 18, 2013
US high court decision will hasten SEC enforcement actions U.S. Supreme Court, Securities Mar. 11, 2013
SEC Enforcement Division has most productive year in its history Securities Dec. 19, 2011
The New Sheriff in Town Securities, Corporate, Antitrust & Trade Reg. Sep. 3, 2009
The SEC Sheds Light on Enforcement Procedures Securities, Corporate Nov. 1, 2008
Corporations Can Diminish SEC Penalties by Cooperating Securities, Corporate Mar. 29, 2006
Case Name Topic Role Published
In Re Mattel Inc. Securities Litigation Securities Defendant Jul. 8, 2022
Securities and Exchange Commission v. Manouchehr Moshayedi Securities Defendant Aug. 9, 2014
In re Countrywide Financial Corporation Securities Litigation Securities Defendant Apr. 2, 2011
In re Sequenom, Inc. Derivative Litigation Securities Defendant Sep. 25, 2010
In re Sequenom, Inc. Securities Litigation Securities Defendant Sep. 4, 2010
Title Category Published
SEC suffers judicial setbacks for administrative hearings Administrative/Regulatory Jun. 6, 2022
SEC ALJs continue to draw scrutiny Civil Practice Jul. 22, 2016