Question: Along with a former investment banker and a former American stock trader who else was part of the insider trading scandals of the 1980s?

Context paragraphs:
Eastern Standard: Eastern Standard is a play by Richard Greenberg.  Set in 1987, it focuses on yuppies, AIDS, the stock market and insider trading scandals, homelessness, and urban malaise.

Kunal Desai: Kunal Desai is an American stock trader and founder of Bulls on Wall Street, an online trading academy.  He became well known for having become wealthy as a trader while also traveling the world with a group of his friends.  He also hired his closest friends to make up his team for his multi-million dollar online trading academy, Bulls on Wall Street.

Ivan Boesky: Ivan Frederick Boesky (born March 6, 1937) is a former American stock trader who is notable for his prominent role in an insider trading scandal that occurred in the United States during the mid-1980s.

Martin A. Siegel: Martin A. Siegel (born 1948) is a former respected investment banker who became embroiled in the insider trading scandals of the 1980s, alongside Ivan Boesky and Michael Milken.

Insider trading: Insider trading is the trading of a public company's stock or other securities (such as bonds or stock options) by individuals with access to nonpublic information about the company.  In various countries, some kinds of trading based on insider information is illegal.  This is because it is seen as unfair to other investors who do not have access to the information, as the investor with insider information could potentially make far larger profits that a typical investor could not make.

Kabu Trader Shun: Kabu Trader Shun (Japanese: 株トレーダー瞬 , Hepburn: Kabu Torēdā Shun , literally "Stock Trader Shun") is an adventure video game for the Nintendo DS.  The game was developed and published by Capcom and released in Japan on June 7, 2007.  In the game, the player assumes the role of a young stock trader named Shun Aiba.  Shun's father was a trader who went bankrupt and disappeared five years earlier.  At the game's opening, Shun is suddenly summoned by his father's former trading partner, Toru Narasaki, who wishes to teach him the tricks of the trade.  Shun is joined by Hanako Kirikagura, Toru's pupil and the daughter of a family of entrepreneurs.

Dennis Levine: Dennis B. Levine (born August 1952) was a prominent player in merger and acquisition business and the Wall Street insider trading scandals of the mid-1980s.  As a managing director at Drexel Burnham Lambert, he was at the center of the frenetic 1980s merger and acquisition boom.  His career on Wall Street ended with his indictment for insider trading, making him one of the first of several high-profile insider trading defendants indicted and convicted by U. S. Attorney Rudy Giuliani.

Roxy Jacenko: Roxy Elise Davis-Jacenko (born 8 June 1980) is an Australian businesswoman and media personality, socialite and author, best known for her appearance on the 3rd season of "The Celebrity Apprentice Australia".  Her husband is former investment banker, and convicted criminal, Oliver Curtis, who was convicted for insider trading.

STOCK Act: The Stop Trading on Congressional Knowledge (STOCK) Act (Pub.L.  112–105 , , 126 Stat.  291 , enacted  04, 2012 ) is an Act of Congress designed to combat insider trading.  It was signed into law by President Barack Obama on April 4, 2012.  The bill prohibits the use of non-public information for private profit, including insider trading by members of Congress and other government employees.  It confirms changes to the Commodity Exchange Act, specifies reporting intervals for financial transactions.

Reebok insider trading case: The Reebok insider trading case was an insider trading scheme that took place in 2004 and 2005 and involved tips from a Merrill Lynch investment banker, confidential information from Business Week and a grand juror, and trades by individuals in both the United States and Europe.  The trades were largely orchestrated by David Pajčin, an ex-Goldman Sachs trader who was subsequently ordered to pay nearly $28 million in fines and judgments by the SEC.

Supporting paragraphs: Martin A. Siegel Ivan Boesky
Answer: Michael Milken