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.
The authors of one study claim that illegal insider trading raises the cost of capital for securities issuers, thus decreasing overall economic growth. However, some economists have argued that insider trading should be allowed and could, in fact, benefit markets.
Trading by specific insiders, such as employees, is commonly permitted as long as it does not rely on material information not in the public domain. Many jurisdictions require that such trading be reported so that the transactions can be monitored. In the United States and several other jurisdictions, trading conducted by corporate officers, key employees, directors, or significant shareholders must be reported to the regulator or publicly disclosed, usually within a few business days of the trade. In these cases, insiders in the United States are required to file a Form 4 with the U.S. Securities and Exchange Commission (SEC) when buying or selling shares of their own companies.
The rules governing insider trading are complex and vary significantly from country to country. The extent of enforcement also varies from one country to another. The definition of insider in one jurisdiction can be broad, and may cover not only insiders themselves but also any persons related to them, such as brokers, associates and even family members. A person who becomes aware of non-public information and trades on that basis may be guilty.
- 1 Illegal insider trading
- 2 Legal insider trading
- 3 American insider trading law
- 4 Security analysis and insider trading
- 5 Arguments for legalizing insider trading
- 6 Legal differences among jurisdictions
- 7 By nation
- 8 See also
- 9 Notes
- 10 References
- 11 External links
Illegal insider trading
Rules prohibiting or criminalizing insider trading on material non-public information exist in most jurisdictions around the world (Bhattacharya and Daouk, 2002), but the details and the efforts to enforce them vary considerably. In the United States, Sections 16(b) and 10(b) of the Securities Exchange Act of 1934 directly and indirectly address insider trading. The U.S. Congress enacted this law after the stock market crash of 1929. The United States is generally viewed as having the strictest laws against illegal insider trading, and makes the most serious efforts to enforce the laws. In the United Kingdom, the Financial Services and Markets Act, 2000 gives the UK's Financial Conduct Authority the responsibility to investigate and prosecute insider dealing, defined by The Criminal Justice Act 1993.
Definition of "insider"
In the United States, Canada, Australia and Germany, for mandatory reporting purposes, corporate insiders are defined as a company's officers, directors and any beneficial owners of more than 10% of a class of the company's equity securities. Trades made by these types of insiders in the company's own stock, based on material non-public information, are considered fraudulent since the insiders are violating the fiduciary duty that they owe to the shareholders. The corporate insider, simply by accepting employment, has undertaken a legal obligation to the shareholders to put the shareholders' interests before their own, in matters related to the corporation. When insiders buy or sell based upon company-owned information, they are violating their obligation to the shareholders.
For example, illegal insider trading would occur if the chief executive officer of Company A learned (prior to a public announcement) that Company A will be taken over and then bought shares in Company A while knowing that the share price would likely rise.
In the United States and many other jurisdictions, however, "insiders" are not just limited to corporate officials and major shareholders where illegal insider trading is concerned but can include any individual who trades shares based on material non-public information in violation of some duty of trust. This duty may be imputed; for example, in many jurisdictions, in cases of where a corporate insider "tips" a friend about non-public information likely to have an effect on the company's share price, the duty the corporate insider owes the company is now imputed to the friend and the friend violates a duty to the company if he trades on the basis of this information.
Liability for insider trading
Liability for inside trading violations generally cannot be avoided by passing on the information in an "I scratch your back; you scratch mine" or quid pro quo arrangement if the person receiving the information knew or should have known that the information was material non-public information. In the United States, at least one court has indicated that the insider who releases the non-public information must have done so for an improper purpose. In the case of a person who receives the insider information (called the "tippee"), the tippee must also have been aware that the insider released the information for an improper purpose.
One commentator has argued that if Company A's CEO did not trade on the undisclosed takeover news, but instead passed the information on to his brother-in-law who traded on it, illegal insider trading would still have occurred (albeit by proxy by passing it on to a "non-insider" so Company A's CEO wouldn't get his hands dirty).:589
A newer view of insider trading, the misappropriation theory, is now accepted in U.S. law. It states that anyone who misappropriates information from his or her employer and trades on that information in any stock (either the employer's stock or the company's competitor stocks) may be guilty of insider trading.
Proof of responsibility
Proving that someone has been responsible for a trade can be difficult because traders may try to hide behind nominees, offshore companies, and other proxies. The Securities and Exchange Commission prosecutes over 50 cases each year, with many being settled administratively out of court. The SEC and several stock exchanges actively monitor trading, looking for suspicious activity. The SEC does not have criminal enforcement authority, but can refer serious matters to the U.S. Attorney's Office for further investigation and prosecution.
Trading on information in general
Not all trading on non-public information is illegal insider trading. For example, a person in a restaurant who hears the CEO of Company A at the next table tell the CFO that the company's profits will be higher than expected and then buys the stock is not guilty of insider trading—unless he or she had some closer connection to the company or company officers. However, information about a tender offer (usually regarding a merger or acquisition) is held to a higher standard. If this type of information is obtained (directly or indirectly) and there is reason to believe it is nonpublic, there is a duty to disclose it or abstain from trading. The punishment for insider trading depends on a few different factors. There are three main factors, which can be identified.
- The significance of the trading – How much money was involved? How many people were affected by the wrongdoing?
- Evidence – Anyone charged is innocent until proven guilty. The burden of proof falls on the prosecution. If no one “flips,” or if there isn’t a smoking gun, the prosecution has a harder time proving guilt. This may result in prosecution moving away from criminal charges, and instead choosing to pursue civil charges.
- SEC violations – If SEC regulations have been broken, the U.S. Department of Justice (DOJ) may be called to conduct an independent parallel investigation. If the DOJ finds criminal wrongdoing, the Department may file criminal charges.
Tracking insider trades
Since insiders are required to report their trades, others often track these traders, and there is a school of investing which follows the lead of insiders. Following such leads subjects the follower to the risk that an insider is making a buy specifically to increase investor confidence, or is making a sale for reasons unrelated to the health of the company (such as a desire to diversify or pay a personal expense).
Legal insider trading
Legal trades by insiders are common, as employees of publicly traded corporations often have stock or stock options. These trades are made public in the United States through Securities and Exchange Commission filings, mainly Form 4.
SEC Rule 10b5-1 clarified that the prohibition against insider trading does not require proof that an insider actually used material nonpublic information when conducting a trade; possession of such information alone is sufficient to violate the provision, and the SEC would infer that an insider in possession of material nonpublic information used this information when conducting a trade. However, SEC Rule 10b5-1 also created for insiders an affirmative defense if the insider can demonstrate that the trades conducted on behalf of the insider were conducted as part of a pre-existing contract or written binding plan for trading in the future.
For example, if an insider expects to retire after a specific period of time and, as part of retirement planning, the insider has adopted a written binding plan to sell a specific amount of the company's stock every month for two years, and the insider later comes into possession of material nonpublic information about the company, trades based on the original plan might not constitute prohibited insider trading.
American insider trading law
The United States has been the leading country in prohibiting insider trading made on the basis of material non-public information. Thomas Newkirk and Melissa Robertson of the U.S. Securities and Exchange Commission (SEC) summarize the development of US insider trading laws. Insider trading has a base offense level of 8, which puts it in Zone A under the U.S. Sentencing Guidelines. This means that first-time offenders are eligible to receive probation rather than incarceration.
U.S. insider trading prohibitions are based on English and American common law prohibitions against fraud. In 1909, well before the Securities Exchange Act was passed, the United States Supreme Court ruled that a corporate director who bought that company's stock when he knew the stock's price was about to increase committed fraud by buying but not disclosing his inside information.
Section 16(b) of the Securities Exchange Act of 1934 prohibits short-swing profits (from any purchases and sales within any six-month period) made by corporate directors, officers, or stockholders owning more than 10% of a firm's shares. Under Section 10(b) of the 1934 Act, SEC Rule 10b-5, prohibits fraud related to securities trading.
The Insider Trading Sanctions Act of 1984 and the Insider Trading and Securities Fraud Enforcement Act of 1988 place penalties for illegal insider trading as high as three times the amount of profit gained or loss avoided from the illegal trading.
SEC regulation FD ("Fair Disclosure") requires that if a company intentionally discloses material non-public information to one person, it must simultaneously disclose that information to the public at large. In the case of an unintentional disclosure of material non-public information to one person, the company must make a public disclosure "promptly.":586
Much of the development of insider trading law has resulted from court decisions.
In 1909, the Supreme Court of the United States ruled in Strong v. Repide that a director who expects to act in a way that affects the value of shares cannot use that knowledge to acquire shares from those who do not know of the expected action. Even though in general, ordinary relations between directors and shareholders in a business corporation are not of such a fiduciary nature as to make it the duty of a director to disclose to a shareholder the general knowledge which he may possess regarding the value of the shares of the company before he purchases any from a shareholder, yet there are cases where, by reason of the special facts, such duty exists.
In 1968, the Second Circuit Court of Appeals advanced a "level playing field" theory of insider trading in SEC v. Texas Gulf Sulphur Co. The court stated that anyone in possession of inside information must either disclose the information or refrain from trading. Officers of the Texas Gulf Sulphur Corporation had used inside information about the discovery of the Kidd Mine to make profits by buying shares and call options on company stock.
In 1984, the Supreme Court of the United States ruled in the case of Dirks v. Securities and Exchange Commission that tippees (receivers of second-hand information) are liable if they had reason to believe that the tipper had breached a fiduciary duty in disclosing confidential information. One such example would be if the tipper received any personal benefit from the disclosure, thereby breaching his or her duty of loyalty to the company. In Dirks, the "tippee" received confidential information from an insider, a former employee of a company. The reason the insider disclosed the information to the tippee, and the reason the tippee disclosed the information to third parties, was to blow the whistle on massive fraud at the company. As a result of the tippee's efforts the fraud was uncovered, and the company went into bankruptcy. But, while the tippee had given the "inside" information to clients who made profits from the information, the U.S. Supreme Court ruled that the tippee could not be held liable under the federal securities laws—for the simple reason that the insider from whom he received the information was not releasing the information for an improper purpose (a personal benefit), but rather for the purpose of exposing the fraud. The Supreme Court ruled that the tippee could not have been aiding and abetting a securities law violation committed by the insider—for the simple reason that no securities law violation had been committed by the insider.
In Dirks, the Supreme Court also defined the concept of "constructive insiders," who are lawyers, investment bankers and others who receive confidential information from a corporation while providing services to the corporation. Constructive insiders are also liable for insider trading violations if the corporation expects the information to remain confidential, since they acquire the fiduciary duties of the true insider.
The next expansion of insider trading liability came in SEC vs. Materia 745 F.2d 197 (2d Cir. 1984), the case which first introduced the misappropriation theory of liability for insider trading. Materia, a financial printing firm proofreader, and clearly not an insider by any definition, was found to have determined the identity of takeover targets based on proofreading tender offer documents during his employment. After a two-week trial, the district court found him liable for insider trading, and the Second Circuit Court of Appeals affirmed holding that the theft of information from an employer, and the use of that information to purchase or sell securities in another entity, constituted a fraud in connection with the purchase or sale of a securities. The misappropriation theory of insider trading was born, and liability further expanded to encompass a larger group of outsiders.
In United States v. Carpenter (1986) the U.S. Supreme Court cited an earlier ruling while unanimously upholding mail and wire fraud convictions for a defendant who received his information from a journalist rather than from the company itself. The journalist R. Foster Winans was also convicted, on the grounds that he had misappropriated information belonging to his employer, the Wall Street Journal. In that widely publicized case, Winans traded in advance of "Heard on the Street" columns appearing in the Journal.
The Court stated in Carpenter: "It is well established, as a general proposition, that a person who acquires special knowledge or information by virtue of a confidential or fiduciary relationship with another is not free to exploit that knowledge or information for his own personal benefit but must account to his principal for any profits derived therefrom."
However, in upholding the securities fraud (insider trading) convictions, the justices were evenly split.
In 1997, the U.S. Supreme Court adopted the misappropriation theory of insider trading in United States v. O'Hagan, 521 U.S. 642, 655 (1997). O'Hagan was a partner in a law firm representing Grand Metropolitan, while it was considering a tender offer for Pillsbury Company. O'Hagan used this inside information by buying call options on Pillsbury stock, resulting in profits of over $4.3 million. O'Hagan claimed that neither he nor his firm owed a fiduciary duty to Pillsbury, so he did not commit fraud by purchasing Pillsbury options.
The Court rejected O'Hagan's arguments and upheld his conviction.
The "misappropriation theory" holds that a person commits fraud "in connection with" a securities transaction and thereby violates 10(b) and Rule 10b-5, when he misappropriates confidential information for securities trading purposes, in breach of a duty owed to the source of the information. Under this theory, a fiduciary's undisclosed, self-serving use of a principal's information to purchase or sell securities, in breach of a duty of loyalty and confidentiality, defrauds the principal of the exclusive use of the information. In lieu of premising liability on a fiduciary relationship between company insider and purchaser or seller of the company's stock, the misappropriation theory premises liability on a fiduciary-turned-trader's deception of those who entrusted him with access to confidential information.
The Court specifically recognized that a corporation's information is its property: "A company's confidential information ... qualifies as property to which the company has a right of exclusive use. The undisclosed misappropriation of such information in violation of a fiduciary duty ... constitutes fraud akin to embezzlement – the fraudulent appropriation to one's own use of the money or goods entrusted to one's care by another."
In 2000, the SEC enacted SEC Rule 10b5-1, which defined trading "on the basis of" inside information as any time a person trades while aware of material nonpublic information. It is no longer a defense for one to say that one would have made the trade anyway. The rule also created an affirmative defense for pre-planned trades.
In 2014, in the case of United States v. Newman, the United States Court of Appeals for the Second Circuit cited the Supreme Court's decision in Dirks, and ruled that in order for a "tippee" (a person who has received insider information from an insider and has used that information) to be guilty of insider trading, the tippee must have been aware not only that the information was insider information, but must also have been aware that the insider released the information for an improper purpose (such as a personal benefit). The Court concluded that the insider's breach of a fiduciary duty not to release confidential information—in the absence of an improper purpose on the part of the insider—is not enough for criminal liability to be imposed on the either the insider or the tippee.
On 2016, in the case of Salman v. United States, the U.S. Supreme Court held that the benefit a tipper has to receive as predicate for an insider-trader prosecution of a tippee need not be pecuniary, and that giving a 'gift' of a tip to a family member is presumptively an act for the personal though intangible benefit of the tipper.
Insider trading by members of Congress
Members of the US Congress are not exempt from the laws that ban insider trading. Because they generally do not have a confidential relationship with the source of the information they receive, however, they do not meet the usual definition of an "insider."  House of Representatives rules may however consider congressional insider trading unethical. A 2004 study found that stock sales and purchases by Senators outperformed the market by 12.3% per year. Peter Schweizer points out several examples of insider trading by members of Congress, including action taken by Spencer Bachus following a private, behind-the-doors meeting on the evening of September 18, 2008 when Hank Paulson and Ben Bernanke informed members of Congress about the imminent financial crisis, Bachus then shorted stocks the next morning and cashed in his profits within a week. Also attending the same meeting were Senator Dick Durbin and John Boehner; the same day (trade effective the next day), Durbin sold mutual-fund shares worth $42,696, and reinvested it all with Warren Buffett. Also the same day (trade effective the next day), Congressman Boehner cashed out of an equity mutual fund.
In May 2007, a bill entitled the "Stop Trading on Congressional Knowledge Act, or STOCK Act" was introduced that would hold congressional and federal employees liable for stock trades they made using information they gained through their jobs and also regulate analysts or "Political Intelligence" firms that research government activities. The 2012 STOCK Act was passed on April 4, 2012.
Insider trading with Congress-sourced information
In 2014, federal prosecutors issued a subpoena to the House Ways and Means committee and Brian Sutter, staff director of its health-care sub-committee, relative to a price move in stocks just prior to the passage of a law favorable to the companies involved. An e-mail was sent out by a "Washington-based policy-research firm that predicted the change [in the law] for its Wall Street clients. That alert, in turn, was based in part on information provided to the firm by a former congressional health-care aide turned lobbyist, according to emails reviewed by the [Wall Street] Journal in 2013.
Security analysis and insider trading
Security analysts gather and compile information, talk to corporate officers and other insiders, and issue recommendations to traders. Thus their activities may easily cross legal lines if they are not especially careful. The CFA Institute in its code of ethics states that analysts should make every effort to make all reports available to all the broker's clients on a timely basis. Analysts should never report material nonpublic information, except in an effort to make that information available to the general public. Nevertheless, analysts' reports may contain a variety of information that is "pieced together" without violating insider trading laws, under the Mosaic theory. This information may include non-material nonpublic information as well as material public information, which may increase in value when properly compiled and documented.
Arguments for legalizing insider trading
Some economists and legal scholars (such as Henry Manne, Milton Friedman, Thomas Sowell, Daniel Fischel, and Frank H. Easterbrook) have argued that laws against insider trading should be repealed. They claim that insider trading based on material nonpublic information benefits investors, in general, by more quickly introducing new information into the market.
Friedman, laureate of the Nobel Memorial Prize in Economics, said: "You want more insider trading, not less. You want to give the people most likely to have knowledge about deficiencies of the company an incentive to make the public aware of that." Friedman did not believe that the trader should be required to make his trade known to the public, because the buying or selling pressure itself is information for the market.:591–7
Other critics argue that insider trading is a victimless act: a willing buyer and a willing seller agree to trade property which the seller rightfully owns, with no prior contract (according to this view) having been made between the parties to refrain from trading if there is asymmetric information. The Atlantic has described the process as "arguably the closest thing that modern finance has to a victimless crime".
Legalization advocates also question why "trading" where one party has more information than the other is legal in other markets, such as real estate, but not in the stock market. For example, if a geologist knows there is a high likelihood of the discovery of petroleum under Farmer Smith's land, he may be entitled to make Smith an offer for the land, and buy it, without first telling Farmer Smith of the geological data. Nevertheless, circumstances can occur when the geologist would be committing fraud if, because he owes a duty to the farmer, he did not disclose the information (for example, where the geologist had been hired by Farmer Smith to assess the geology of the farm).
Advocates of legalization make free speech arguments. Punishment for communicating about a development pertinent to the next day's stock price might seem an act of censorship. If the information being conveyed is proprietary information and the corporate insider has contracted to not expose it, he has no more right to communicate it than he would to tell others about the company's confidential new product designs, formulas, or bank account passwords.
Some authors have used these arguments to propose legalizing insider trading on negative information (but not on positive information). Since negative information is often withheld from the market, trading on such information has a higher value for the market than trading on positive information.
There are very limited laws against "insider trading" in the commodities markets if, for no other reason than that the concept of an "insider" is not immediately analogous to commodities themselves (corn, wheat, steel, etc.). However, analogous activities such as front running are illegal under US commodity and futures trading laws. For example, a commodity broker can be charged with fraud by receiving a large purchase order from a client (one likely to affect the price of that commodity) and then purchasing that commodity before executing the client's order to benefit from the anticipated price increase.
Legal differences among jurisdictions
The US and the UK vary in the way the law is interpreted and applied with regard to insider trading.
In the UK, the relevant laws are the Criminal Justice Act 1993, Part V, Schedule 1, and the Financial Services and Markets Act 2000, which defines an offence of Market Abuse. It is also illegal to fail to trade based on inside information (whereas without the inside information the trade would have taken place). The principle is that it is illegal to trade on the basis of market-sensitive information that is not generally known. No relationship to the issuer of the security is required; all that is required is that the guilty party traded (or caused trading) whilst having inside information.
Japan enacted its first law against insider trading in 1988. Roderick Seeman said, "Even today many Japanese do not understand why this is illegal. Indeed, previously it was regarded as common sense to make a profit from your knowledge."
The "Objectives and Principles of Securities Regulation" published by the International Organization of Securities Commissions (IOSCO) in 1998 and updated in 2003 states that the three objectives of good securities market regulation are:
- Investor protection,
- Insuring that markets are fair, efficient and transparent, and
- Reducing systemic risk.
The discussion of these "Core Principles" state that "investor protection" in this context means "Investors should be protected from misleading, manipulative or fraudulent practices, including insider trading, front running or trading ahead of customers and the misuse of client assets." More than 85 percent of the world's securities and commodities market regulators are members of IOSCO and have signed on to these Core Principles.
The World Bank and International Monetary Fund now use the IOSCO Core Principles in reviewing the financial health of different country's regulatory systems as part of these organization's financial sector assessment program, so laws against insider trading based on non-public information are now expected by the international community. Enforcement of insider trading laws varies widely from country to country, but the vast majority of jurisdictions now outlaw the practice, at least in principle.
Larry Harris claims that differences in the effectiveness with which countries restrict insider trading help to explain the differences in executive compensation among those countries. The US, for example, has much higher CEO salaries than do Japan or Germany, where insider trading is less effectively restrained.:593
In 2014, the European Union (EU) adopted legislation (Criminal Sanctions for Market Abuse Directive) that harmonises criminal sanctions for insider dealing. All EU Member States agreed to introduce maximum prison sentences of at least four years for serious cases of market manipulation and insider dealing, and at least two years for improper disclosure of insider information.
The longest prison sentence in a Norwegian trial where the main charge was insider trading, was for 8 years (2 of which suspended) when Alain Angelil was convicted in a district court on December 9, 2011.
Although insider trading in the UK has been illegal since 1980, it proved difficult to successfully prosecute individuals accused of insider trading. There were a number of notorious cases where individuals were able to escape prosecution. Instead the UK regulators relied on a series of fines to punish market abuses.
These fines were widely perceived as an ineffective deterrent (Cole, 2007), and there was a statement of intent by the UK regulator (the Financial Services Authority) to use its powers to enforce the legislation (specifically the Financial Services and Markets Act 2000). Between 2009–2012 the FSA secured 14 convictions in relation to insider dealing.
Rajat Gupta, who had been managing partner of McKinsey & Co. and a director at Goldman Sachs Group Inc. and Procter & Gamble Co., was convicted by a federal jury in 2012 of leaking inside information to hedge fund manager Raj Rajaratnam. The case was prosecuted by the office of United States Attorney for the Southern District of New York Preet Bharara.
With the guilty plea by Perkins Hixon in 2014 for insider trading from 2010-2013 while at Evercore Partners, Bharara said in a press release that 250 defendants whom his office had charged since August 2009 had now been convicted.
On December 10, 2014, a federal appeals court overturned the insider trading convictions of two former hedge fund traders, Todd Newman and Anthony Chiasson, based on the "erroneous" instructions given to jurors by the trial judge. The decision was expected to affect the appeal of the separate insider-trading conviction of former SAC Capital portfolio manager Michael Steinberg and the U.S. Attorney and the SEC in 2015 did drop their cases against Steinberg and others.
In 2016, Sean Stewart, a former managing director at Perella Weinberg Partners LP and vice president at JPMorgan Chase, was convicted on allegations he tipped his father on pending health-care deals. The father, Robert Stewart, previously had pleaded guilty but didn’t testify during his son’s trial. It was argued that by way of compensation for the tip, the father had paid more than $10,000 for Sean's wedding photographer.
In 2008, police uncovered an insider trading conspiracy involving Bay Street and Wall Street lawyer Gil Cornblum and another lawyer, Stan Grmovsek, who were found to have gained over $10 million in illegal profits over a 14-year span. Cornblum committed suicide before criminal charges were laid. Grmovsek pleaded guilty and was sentenced to 39 months in prison. This was the longest term ever imposed for insider trading in Canada. These crimes were explored in Mark Coakley's 2011 non-fiction book, Tip and Trade.
Insider Trading in India is an offense according to Section 195 of the Companies Act, 2013 and Sections 12A, 15G of the Securities and Exchange Board of India Act, 1992. Insider trading is when one with access to non public, price sensitive information about the securities of the company subscribes, buys, sells or deals, or agrees to do so or counsels another to do as principal or agent. Price sensitive information is information that will materially affect the value of the securities. Penalty for insider trading is imprisonment which may extend to five years, minimum of five lakh rupees (five hundred thousand) to twenty five crore rupees (two hundred and fifty million) or three times the profit made; whichever is higher.
Under Republic Act 8799 or the Securities Regulation Code, insider trading in the Philippines is illegal.
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Thomas Gulbrandsen... I august 2009 ble Gulbrandsen dømt til fire måneders fengsel for å ha kjøpt Sinvest-aksjer etter å ha mottatt opplysningene fra Per-Robert Jacobsen. Gulbrandsen var også tiltalt for innsidehandel i DNO-aksjen, men ble frikjent for dette.
- Bente Bjørndal (December 13, 2011). "Åtte års fengsel for Alain Angelil". DN.no. Retrieved December 21, 2011.
- "Eltek Founder Sentenced to Eight Years in Prison, Police Says". Newsorganizer.com. Retrieved August 15, 2012.
- Tonks, Ian (April–May 2010). "Discussion of To Trade or Not To Trade: The Strategic Trading of Insiders around News Announcements". Journal of Business Finance and Accounting. 37 (3&4): 408–421. doi:10.1111/j.1468-5957.2010.02201.x.
- Cole, Margaret. "Insider dealing in the City". Financial Services Authority. Retrieved December 28, 2012.
- McCool, Grant; Basil Katz (June 15, 2012). "Rajat Gupta guilty of insider trading". Reuters. Retrieved June 15, 2012.
- Pital, Sisal S., "Ex-Evercore director guilty of insider trading", MarketWatch, April 3, 2014. Retrieved April 3, 2014.
- Protess, Ben; Goldstein, Matthew (December 10, 2014). "Appeals Court Overturns 2 Insider Trading Convictions". New York Times. Retrieved December 10, 2014.
- Matthews, Christopher M., "Court Overturns Insider-Trading Convictions, a Blow to Justice Department", Wall Street Journal, December 10, 2014. Retrieved 2016-08-17.
- Matthews, Christopher M., and Aruna Viswanatha, "U.S. Attorney Aims to Dismiss Insider Trading Charges in SAC Capital Advisors Case", Wall Street Journal, October 22, 2015. Retrieved 2016-08-17.
- Copeland, Rob, "SEC Drops Civil Insider Trading Case Against Ex-SAC’s Steinberg", Wall Street Journal, November 25, 2015. Retrieved 2016-08-17.
- Matthews, Christopher M., "Former Health-Care Investment Banker Convicted of Tipping His Father on Deals", Wall Street Journal, August 17, 2016. Retrieved 2016-08-17.
- "Top fund manager nabbed in China graft probe". The Straits Times. November 4, 2015. Retrieved November 23, 2015.
- Palabrica, Raul (14 October 2011). "Insider Trading 101". Philippine Daily Inquirer. Retrieved 29 November 2016.
- Mark J. Astarita, Insider Trading: Legal vs. Illegal Insider trading: Legal vs. Illegal,
- Stephen M. Bainbridge, Securities Law: Insider Trading (1999) ISBN 1-56662-737-0.
- Larry Harris, Trading & Exchanges, Oxford Press, Oxford, 2003. Chapter 29 "Insider Trading" ISBN 0-19-514470-8.
- Grechenig, The Marginal Incentive of Insider Trading: an Economics Reinterpretation of the Case Law, 37 The University of Memphis Law Review 75-148 (2006) (link).
- Review of Financial Studies; May2009, Vol. 22 Issue 5, pp. 1845–1887
- Grechenig, Positive and Negative Information – Insider Trading Rethought,
|Look up insider trading in Wiktionary, the free dictionary.|
- General information
- Insider Trading Informational page from the U.S. Security and Exchange Commission (SEC)
- Testimony Concerning Insider Trading, by Linda Thomsen, Director of the SEC's Division of Enforcement, before the U.S. Senate Judicial Committee (September 26, 2006)
- SEC Forms 3, 4 and 5
- Insider Trading: Information on Bounties
- Hoffman, Liz, "Towers Watson CEO Sold Stock Before Big Deal: John Haley netted nearly $10 million on preannouncement sales", Wall Street Journal, September 23, 2015. Towers Watson CEO John J. Haley's pre-deal sale of personally owned stock questioned.
- Articles and opinions
- Insider Trading: The Legal and Illegal SECLaw.com, 2002
- Timothy Sullivan We're still against fraud, aren't we? United States v. O'Hagan: Trimming the Oak in the wrong season St. John's Law Review, Winter 1997.
- An opinion on Why Insider Trading Should be Legal Larry Elder Interviews Henry Manne
- Why forbid insider trading? by Ajay Shah, consultant to the Ministry of Finance, India
- Information, Privilege, Opportunity and Insider Trading by Robert W. Mcgee and Walter E. Block – a scholarly work that opposes regulations against insider trading
- Free Samuel Waksal argues that businessman's insider trading should not be considered a crime
- Rule: Ownership Reports and Trading by Officers, Directors and Principal Security
- Data on insider trading