
Senior Counsel
Hueston Hennigan LLP
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 |