Insider trading: when insider trading is permitted
Legal trades by corporate insiders are common, even though insider trading is often discussed in connection with prohibited use of confidential information. Employees of publicly traded companies frequently hold stock or stock options. Buying or selling those holdings can be permitted when the transaction does not rely on material information unavailable to the public. Many jurisdictions require disclosure so transactions can be monitored. The important distinction is between the person's relationship to a company and the information involved in a particular trade. Being an employee, director, or officer does not by itself make every transaction unlawful.
Reporting duties give permitted trading a public footprint. In the United States, directors, officers covered by Section 16, and beneficial owners of more than 10% of a registered class of equity securities must report their holdings and transactions to the Securities and Exchange Commission. Most transactions must be reported on Form 4 within two business days; certain exempt transactions may instead be reported later on Form 5. For mandatory reporting purposes in several countries, corporate insiders include officers, directors, and beneficial owners of more than ten percent of a class of equity securities. Public filings also make these transactions available for research, including structured datasets assembled by academics.
The concern behind insider trading restrictions involves material, nonpublic information and duties attached to it. A corporate insider accepts an obligation to put shareholders' interests ahead of personal interests in matters involving the corporation. Using company-owned information for personal trades can violate that obligation. A chief executive who learns before an announcement that the company will be acquired and buys shares anticipating a price increase illustrates the prohibited conduct. Securities involved can include bonds and stock options as well as stock. Restrictions also aim to prevent directors from exploiting confidential company information for personal gain and to address advantages unavailable to other investors.
Liability can extend beyond people on a company's payroll. In the United States and many other jurisdictions, individuals may be covered when they trade using material nonpublic information in violation of a duty of trust. A friend receiving a corporate insider's tip can inherit a duty and violate it by trading on the information. Definitions differ among jurisdictions and can include brokers, associates, and family members. Information concerning a tender offer receives a higher standard: when obtained directly or indirectly with reason to believe it is nonpublic, the recipient has a duty to disclose it or abstain from trading.
In 2000, SEC Rule 10b5-1 clarified the U.S. prohibition on insider trading. Possession of material nonpublic information can be sufficient; a demonstration that the insider used it is not required. The rule also created an affirmative defense for trades carried out under a preexisting contract or written binding plan. A retirement plan established before an insider obtains confidential information illustrates the distinction. An insider might arrange monthly stock sales for two years and later receive material nonpublic information. Transactions under the original plan might fall outside the prohibition. The defense depends on the plan's prior existence rather than a new decision made with confidential knowledge.
Enforcement separates civil oversight from criminal prosecution. The SEC and several stock exchanges monitor trading for suspicious activity. Traders may use nominees, offshore companies, or other proxies, making responsibility harder to establish. The SEC does not have criminal enforcement authority but can refer serious matters to the U.S. Attorney's Office. The Department of Justice may conduct an independent parallel investigation and file criminal charges if it finds criminal conduct. Private enforcement also exists through shareholder derivative lawsuits. Research has associated restrictions on those suits with an increase in opportunistic trades, suggesting that the availability of private litigation can act as a deterrent.
The framework for insider trading varies internationally. In the United Kingdom, the principle covers trading on market-sensitive information that is not generally known, with a broader scope than U.S. law. No relationship to the securities issuer or tipster is required. Japan enacted its first law against the practice in 1988. Malta follows the broader European model, with legislation including its Prevention of Financial Markets Abuse Act of 2005. International securities regulators identify investor protection, fair and transparent markets, and reduced systemic risk as major objectives. Enforcement still varies considerably across countries even where prohibitions exist in principle.
Academic debate over insider trading includes arguments about market information and fairness. Henry Manne argued that permitting it could benefit markets. Milton Friedman favored incentives for people aware of company deficiencies to make that knowledge public, regarding buying and selling pressure itself as informative. Some authors proposed allowing trades on negative information while continuing to restrict trades on positive information, reasoning that bad news is often withheld. Other researchers linked illegal trades to higher capital costs for securities issuers and reduced overall economic growth. Arguments about legislators add a separate concern: knowledge of impending regulation can create conflicts of interest and social distrust.
- Wikipedia, Insider trading — en.wikipedia.org