Michael Arko

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Michael H.
Arko worked as Principal at Alvarez & Marsal LLC from 2004 to 2011.
Mr. Arko was Principal at Sanford C.
Bernstein & Co., Inc. Mr. Arko was Partner at Sonora Investment Management LLC.
Mr. Arko was Senior Principal at Sonora Investment Management Group LLC from 2023 to 2025.
Mr. Arko earned an MBA from Arizona State University and completed undergraduate studies at the University of Arizona.

Former positions of Michael Arko

Companies	Position	End
Sonora Investment Management Group LLC Sonora Investment Management Group LLC Investment ManagersFinance Provides investment advice	Portfolio Manager-Equities	2025-10-22
Alvarez & Marsal LLC Alvarez & Marsal LLC Miscellaneous Commercial ServicesCommercial Services Provides debtor management and advisory services	Corporate Officer/Principal	2011-04-30
Sanford C. Bernstein & Co., Inc. Sanford C. Bernstein & Co., Inc. Investment ManagersFinance Profile Unavailable	Corporate Officer/Principal	-
Sonora Investment Management LLC Sonora Investment Management LLC Investment ManagersFinance SIM’s security analysis methods include fundamental analysis and technical analysis. They look for companies that have the following characteristics: businesses with competitive and leadership positions; good historical financial returns; strong balance sheets; prudent debt levels; and younger companies having a competitive advantage we feel will generate good future returns. The firm does in-house research. Their primary source of information is from the companies themselves: annual and quarterly reports, SEC filings, and conversations with management. In general, SIM focuses on companies and industries most likely to benefit from the economic, social, and demographic trends dominant or emerging in our society. Individual stock selection is usually in mid-to-large size companies. Other sources of information include various financial publications, research materials prepared by others.	Analyst-Equity	-

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Linked companies

Private companies	6
Sanford C. Bernstein & Co., Inc. Sanford C. Bernstein & Co., Inc. Investment ManagersFinance Profile Unavailable	Finance
Alvarez & Marsal LLC Alvarez & Marsal LLC Miscellaneous Commercial ServicesCommercial Services Provides debtor management and advisory services	Commercial Services
Arizona State University Arizona State University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
University of Arizona University of Arizona Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Sonora Investment Management LLC Sonora Investment Management LLC Investment ManagersFinance SIM’s security analysis methods include fundamental analysis and technical analysis. They look for companies that have the following characteristics: businesses with competitive and leadership positions; good historical financial returns; strong balance sheets; prudent debt levels; and younger companies having a competitive advantage we feel will generate good future returns. The firm does in-house research. Their primary source of information is from the companies themselves: annual and quarterly reports, SEC filings, and conversations with management. In general, SIM focuses on companies and industries most likely to benefit from the economic, social, and demographic trends dominant or emerging in our society. Individual stock selection is usually in mid-to-large size companies. Other sources of information include various financial publications, research materials prepared by others.	Finance
Sonora Investment Management Group LLC Sonora Investment Management Group LLC Investment ManagersFinance Provides investment advice	Finance