[224]*224Mr. Justice Powell
delivered the opinion of the Court.
The question in this case is whether a person who learns from the confidential documents of one corporation that it is planning an attempt to secure control of a second corporation violates § 10 (b) of the Securities Exchange Act of 1934 if he fails to disclose the impending takeover before trading in the target company’s securities.
I
Petitioner is a printer by trade. In 1975 and 1976, he worked as a “markup man” in the New York composing room of Pandick Press, a financial printer. Among documents that petitioner handled were five announcements of corporate takeover bids. When these documents were delivered to the printer, the identities of the acquiring and target corporations were concealed by blank spaces or false names. The true names were sent to the printer on the night of the final printing.
The petitioner, however, was able to deduce the names of the target companies before the final printing from other information contained in the documents. Without disclosing his knowledge, petitioner purchased stock in the target companies and sold the shares immediately after the takeover attempts were made public.1 By this method, petitioner realized a gain of slightly more than $30,000 in the course of 14 months. Subsequently, the Securities and Exchange Commission (Commission or SEC) began an investigation of his trading activities. In May 1977, petitioner entered into a consent decree with the Commission in which he agreed to return his profits to the sellers of the shares.2 On the same day, he was discharged by Pandick Press.
[225]*225In January 1978, petitioner was indicted on 17 counts of violating § 10 (b) of the Securities Exchange Act of 1934 (1934 Act) and SEC Rule 1 Ob-5.3 After petitioner unsuccessfully moved to dismiss the indictment,4 he was brought to trial and convicted on all counts.
The Court of Appeals for the Second Circuit affirmed petitioner’s conviction. 588 F. 2d 1358 (1978). We granted certiorari, 441 U. S. 942 (1979), and we now reverse.
II
Section 10 (b) of the 1934 Act, 48 Stat. 891, 15 U. S. C. § 78j, prohibits the use “in connection with the purchase or sale of any security . . . [of] any manipulative or deceptive device or contrivance in contravention of such rules and regulations as the Commission may prescribe.” Pursuant to this section, the SEC promulgated Rule 10b-5 which provides in pertinent part:5
“It shall be unlawful for any person, directly or indi- • rectly, by the use of any means or instrumentality of interstate commerce, or of the mails or of any facility of any national securities exchange,
[226]*226“(a) To employ any device, scheme, or artifice to defraud, [or]
“(c) To engage in any act, practice, or course of business which operates or would operate as a fraud or deceit upon any person, in connection with the purchase or sale of any security.” 17 CFR § 240.10b-5 (1979).
This case concerns the legal effect of the petitioner’s silence. The District Court’s charge permitted the jury to convict the petitioner if it found that he willfully failed to inform sellers of target company securities that he knew of a forthcoming takeover bid that would make their shares more valuable.6 In order to decide' whether silence in such circumstances violates § 10 (b), it is necessary to review the language and legislative history of that statute as well as its interpretation by the Commission and the federal courts.
Although the starting point of our inquiry is the language of the statute, Ernst & Ernst v. Hochfelder, 425 U. S. 185; 197 (1976), 110 (b) does not state whether silence may constitute a manipulative or deceptive device. Section 10 (b) was designed as a catchall clause to prevent fraudulent practices. 425 U. S., at 202, 206. But neither the legislative history nor the statute itself affords specific guidance for the resolution of this case. When Rule 10b-5 was promulgated in 1942, the SEC did not discuss the possibility that failure to provide information might run afoul of § 10 (b).7
The SEC took an important step in the development of § 10 (b) when it held that a broker-dealer and his firm violated that section by selling securities on the basis of undisclosed information obtained from a director of the issuer corporation who was also a registered representative of the brokerage firm. In Cady, Roberts & Co., 40 S. E. C. 907 [227]*227(1961), the Commission decided that a corporate insider must abstain from trading in the shares of his corporation unless he has first disclosed all material inside information known to him. The obligation to disclose or abstain derives from
“[a]n affirmative duty to disclose material information[, which] has been traditionally imposed on corporate ‘insiders/ particularly officers, directors, or controlling stockholders. We, and the courts have consistently held that insiders must disclose material facts which are known to them by virtue of their position but which are not known to persons with whom they deal and which, if known, would affect their investment judgment.” Id., at 911.
The Commission emphasized that the duty arose from (i) the existence of a relationship affording access to inside information intended to be available only for a corporate purpose, and (ii) the unfairness of allowing a corporate insider to take advantage of that information by trading without disclosure. Id., at 912, and n. 15.8
That the relationship between a corporate insider and the stockholders of his corporation gives rise to a disclosure obligation is not a novel twist of the law. At common law, misrepresentation made for the purpose of inducing reliance [228]*228upon the false statement is fraudulent. But one who fails to disclose material information prior to the consummation of a transaction commits fraud only when he is under a duty to do so. And the duty to disclose arises when one party has information “that the other [party] is entitled to know because of a fiduciary or other similar relation of trust and confidence between them.” 9 In its Cady, Roberts decision, the Commission recognized a relationship of trust and confidence between the shareholders of a corporation and those insiders who have obtained confidential information by reason of their position with that corporation.10 This relationship gives rise to a duty to disclose because of the “necessity of preventing a corporate insider from . . . tak[ing] unfair advantage of the [229]*229uninformed minority stockholders.” Speed v. Transamerica Corp., 99 F. Supp. 808, 829 (Del. 1951).
The federal courts have found violations of § 10 (b) where corporate insiders used undisclosed information for their own benefit.
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[224]*224Mr. Justice Powell
delivered the opinion of the Court.
The question in this case is whether a person who learns from the confidential documents of one corporation that it is planning an attempt to secure control of a second corporation violates § 10 (b) of the Securities Exchange Act of 1934 if he fails to disclose the impending takeover before trading in the target company’s securities.
I
Petitioner is a printer by trade. In 1975 and 1976, he worked as a “markup man” in the New York composing room of Pandick Press, a financial printer. Among documents that petitioner handled were five announcements of corporate takeover bids. When these documents were delivered to the printer, the identities of the acquiring and target corporations were concealed by blank spaces or false names. The true names were sent to the printer on the night of the final printing.
The petitioner, however, was able to deduce the names of the target companies before the final printing from other information contained in the documents. Without disclosing his knowledge, petitioner purchased stock in the target companies and sold the shares immediately after the takeover attempts were made public.1 By this method, petitioner realized a gain of slightly more than $30,000 in the course of 14 months. Subsequently, the Securities and Exchange Commission (Commission or SEC) began an investigation of his trading activities. In May 1977, petitioner entered into a consent decree with the Commission in which he agreed to return his profits to the sellers of the shares.2 On the same day, he was discharged by Pandick Press.
[225]*225In January 1978, petitioner was indicted on 17 counts of violating § 10 (b) of the Securities Exchange Act of 1934 (1934 Act) and SEC Rule 1 Ob-5.3 After petitioner unsuccessfully moved to dismiss the indictment,4 he was brought to trial and convicted on all counts.
The Court of Appeals for the Second Circuit affirmed petitioner’s conviction. 588 F. 2d 1358 (1978). We granted certiorari, 441 U. S. 942 (1979), and we now reverse.
II
Section 10 (b) of the 1934 Act, 48 Stat. 891, 15 U. S. C. § 78j, prohibits the use “in connection with the purchase or sale of any security . . . [of] any manipulative or deceptive device or contrivance in contravention of such rules and regulations as the Commission may prescribe.” Pursuant to this section, the SEC promulgated Rule 10b-5 which provides in pertinent part:5
“It shall be unlawful for any person, directly or indi- • rectly, by the use of any means or instrumentality of interstate commerce, or of the mails or of any facility of any national securities exchange,
[226]*226“(a) To employ any device, scheme, or artifice to defraud, [or]
“(c) To engage in any act, practice, or course of business which operates or would operate as a fraud or deceit upon any person, in connection with the purchase or sale of any security.” 17 CFR § 240.10b-5 (1979).
This case concerns the legal effect of the petitioner’s silence. The District Court’s charge permitted the jury to convict the petitioner if it found that he willfully failed to inform sellers of target company securities that he knew of a forthcoming takeover bid that would make their shares more valuable.6 In order to decide' whether silence in such circumstances violates § 10 (b), it is necessary to review the language and legislative history of that statute as well as its interpretation by the Commission and the federal courts.
Although the starting point of our inquiry is the language of the statute, Ernst & Ernst v. Hochfelder, 425 U. S. 185; 197 (1976), 110 (b) does not state whether silence may constitute a manipulative or deceptive device. Section 10 (b) was designed as a catchall clause to prevent fraudulent practices. 425 U. S., at 202, 206. But neither the legislative history nor the statute itself affords specific guidance for the resolution of this case. When Rule 10b-5 was promulgated in 1942, the SEC did not discuss the possibility that failure to provide information might run afoul of § 10 (b).7
The SEC took an important step in the development of § 10 (b) when it held that a broker-dealer and his firm violated that section by selling securities on the basis of undisclosed information obtained from a director of the issuer corporation who was also a registered representative of the brokerage firm. In Cady, Roberts & Co., 40 S. E. C. 907 [227]*227(1961), the Commission decided that a corporate insider must abstain from trading in the shares of his corporation unless he has first disclosed all material inside information known to him. The obligation to disclose or abstain derives from
“[a]n affirmative duty to disclose material information[, which] has been traditionally imposed on corporate ‘insiders/ particularly officers, directors, or controlling stockholders. We, and the courts have consistently held that insiders must disclose material facts which are known to them by virtue of their position but which are not known to persons with whom they deal and which, if known, would affect their investment judgment.” Id., at 911.
The Commission emphasized that the duty arose from (i) the existence of a relationship affording access to inside information intended to be available only for a corporate purpose, and (ii) the unfairness of allowing a corporate insider to take advantage of that information by trading without disclosure. Id., at 912, and n. 15.8
That the relationship between a corporate insider and the stockholders of his corporation gives rise to a disclosure obligation is not a novel twist of the law. At common law, misrepresentation made for the purpose of inducing reliance [228]*228upon the false statement is fraudulent. But one who fails to disclose material information prior to the consummation of a transaction commits fraud only when he is under a duty to do so. And the duty to disclose arises when one party has information “that the other [party] is entitled to know because of a fiduciary or other similar relation of trust and confidence between them.” 9 In its Cady, Roberts decision, the Commission recognized a relationship of trust and confidence between the shareholders of a corporation and those insiders who have obtained confidential information by reason of their position with that corporation.10 This relationship gives rise to a duty to disclose because of the “necessity of preventing a corporate insider from . . . tak[ing] unfair advantage of the [229]*229uninformed minority stockholders.” Speed v. Transamerica Corp., 99 F. Supp. 808, 829 (Del. 1951).
The federal courts have found violations of § 10 (b) where corporate insiders used undisclosed information for their own benefit. E. g., SEC v. Texas Gulf Sulphur Co., 401 F. 2d 833 (CA2 1968), cert. denied, 404 U. S. 1005 (1971). The cases also have emphasized, in accordance with the common-law rule, that “[t]he party charged with failing to disclose market information must be under a duty to disclose it.” Frigitemp Corp. v. Financial Dynamics Fund, Inc., 524 F. 2d 275, 282 (CA2 1975). Accordingly, a purchaser of stock who has no duty to a prospective seller because he is neither an insider nor a fiduciary has been held to have no obligation to reveal material facts. See General Time Corp. v. Talley Industries, Inc., 403 F. 2d 159, 164 (CA2 1968), cert. denied, 393 U. S. 1026 (1969).11
This Court followed the same approach in Affiliated Ute Citizens v. United States, 406 U. S. 128 (1972). A group of American Indians formed a corporation to manage joint assets derived from tribal holdings. The corporation issued stock to its Indian shareholders and designated, a local bank as its transfer agent. Because of the speculative nature of the corporate assets and the difficulty of ascertaining the true value of a share, the corporation requested the bank to stress to its stockholders the importance of retaining the stock. Id., at 146. Two of the bank’s assistant managers aided the shareholders in disposing of stock which the managers knew was traded in two separate markets — a primary market of [230]*230Indians selling to non-Indians through the bank and a resale market consisting entirely of non-Indians. Indian sellers charged that the assistant managers had violated § 10 (b) and Rule 10b-5 by failing to inform them of the higher prices prevailing in the resale market. The Court recognized that no duty of disclosure would exist if the bank merely had acted as a transfer agent.' But the bank also had assumed a duty to act on behalf of the shareholders, and the Indian sellers had relied upon its personnel when they sold their stock. 406 U. S., at 152. Because these officers of the bank were charged with a responsibility to the shareholders, they could not act as market makers inducing the Indians to sell their stock without disclosing the existence of the more favorable non-Indian market. Id., at 152-153.
Thus, administrative and judicial interpretations have established that silence in connection with the purchase or sale of securities may operate as a fraud actionable under § 10 (b) despite the absence of statutory language or legislative history specifically addressing the legality of nondisclosure. But such liability is premised upon a duty to disclose arising from a relationship of trust and confidence between parties to a transaction. Application of a duty to disclose prior to trading guarantees that corporate insiders, who have an obligation to place the shareholder’s welfare before their own, will not benefit personally through fraudulent use of material, nonpublic information.12
[231]*231III
In this case, the petitioner was convicted of violating § 10 (b) although he was not a corporate insider and he received no confidential information from the target company. Moreover, the “market information” upon which he relied did not concern the earning power or operations of the target company, but only the plans of the acquiring company.13 Petitioner’s use of that information was not a fraud under § 10 (b) unless he was subject to an affirmative duty to disclose it before trading. In this case, the jury instructions failed to specify any such duty. In effect, the trial court instructed the jury that petitioner owed a duty to everyone; to all sellers, indeed, to the market as a whole. The jury simply was told to decide whether petitioner used material, nonpublic information at a time when “he knew other people trading in the securities market did not have access to the same information.” Record 677.
The Court of Appeals affirmed the conviction by holding that “[a]nyone — corporate insider or not — who regularly receives material nonpublic information may not use that information to trade in securities without incurring an affirmative duty to disclose.” 588 F. 2d, at 1365 (emphasis in original). Although the court said that its test would include only persons who regularly receive material, nonpublic information, id., at 1366, its rationale for that limitation is unrelated to the existence of a duty to disclose.14 The Court of [232]*232Appeals, like the trial court, failed to identify a relationship between petitioner and the sellers that could give rise to a duty. Its decision thus rested solely upon its belief that the federal securities laws have “created a system providing equal access to information necessary for reasoned and intelligent investment decisions.” Id., at 1362. The use by anyone of material information not generally available is fraudulent, this theory suggests, because such information gives certain buyers or sellers an unfair advantage over less informed buyers and sellers.
This reasoning suffers from two defects. First, not every instance of financial unfairness constitutes fraudulent activity under § 10 (b). See Santa Fe Industries, Inc. v. Green, 430 U. S. 462, 474-477 (1977). Second, the element required to make silence fraudulent — a duty to disclose — is absent in this case. No duty could arise from petitioner’s relationship with the sellers of the target company’s securities, for petitioner had no prior dealings with them. He was not their agent, he was not a fiduciary, he was not a person in whom the sellers had placed their trust and confidence. He was, in fact, a com-[233]*233píete stranger who dealt with the sellers only through impersonal market transactions.
We cannot affirm petitioner’s conviction without recognizing a general duty between all participants in market transactions to forgo actions based on material, nonpublic information. Formulation of such a broad duty, which departs radically from the established doctrine that duty arises from a specific relationship between two parties, see n. 9, supra, should not be undertaken absent some explicit evidence of congressional intent.
As we have seen, no such evidence emerges from the language or legislative history of § 10 (b). Moreover, neither the Congress nor the Commission ever has adopted a parity-of-information rule. Instead the problems caused by misuse of market information have been addressed by detailed and sophisticated regulation that recognizes when use of market information may not harm operation of the securities markets. For example, the Williams Act15 limits but does not completely prohibit a tender offeror’s purchases of target corporation stock before public announcement of the offer. Congress’ careful action in this and other areas16 contrasts, and [234]*234is in some tension, with the broad rule of liability we are asked to adopt in this case.
Indeed, the theory upon which the petitioner was convicted is at odds with the Commission’s view of § 10 (b) as applied to activity that has the same effect on sellers as the petitioner’s purchases. “Warehousing” takes place when a corporation gives advance notice of its intention to launch a tender offer to institutional investors who then are able to purchase stock in the target company before the tender offer is made public and the price of shares rises.17 In this case, as in warehousing, a buyer of securities purchases stock in a target corporation on the basis of market information which is unknown to the seller. In both of these situations, the seller’s behavior presumably would be altered if he had the nonpublic information. Significantly, however, the Commission has acted to bar warehousing under its authority to regulate tender offers18 after recognizing that action under § 10 (b) would rest on a “somewhat different theory” than that previously used to regulate insider trading as fraudulent activity.19
We see no basis for applying such a new and different theory of liability in this case. As we have emphasized before, the 1934 Act cannot be read “ 'more broadly than its language and the statutory scheme reasonably permit.’ ” Touche Ross & Co. v. Redington, 442 U. S. 560, 578 (1979), quoting SEC v. Sloan, 436 U. S. 103, 116 (1978). Section 10 (b) is aptly [235]*235described as a catchall provision, but what it catches must be fraud. When an allegation of fraud is based upon nondisclosure, there can be no fraud absent a duty to speak. We hold that a duty to disclose under § 10 (b) does not arise from the mere possession of nonpublic market information. The contrary result is without support in the legislative history of § 10 (b) and would be inconsistent with the careful plan that Congress has enacted for regulation of the securities markets. Cf. Santa Fe Industries, Inc. v. Green, 430 U. S., at 479.20
IV
In its brief to this Court, the United States offers an alternative theory to support petitioner’s conviction. It argues that petitioner breached a duty to the acquiring corporation when he acted upon information that he obtained by virtue of his position as an employee of a printer employed by the corporation. The breach of this duty is said to support a [236]*236conviction under § 10 (b) for fraud perpetrated -upon both the acquiring corporation and the sellers.
We need not decide whether this theory has merit for it was not submitted to the jury. The jury was told, in the language of Rule 10b-5, that it could convict the petitioner if it concluded that he either (i) employed a device, scheme, or artifice to defraud or (ii) engaged in an act, practice, or course of business which operated or would operate as a fraud or deceit upon any person. Record 681. The trial judge stated that a “scheme to defraud” is a plan to obtain money by trick or deceit and that “a failure by Chiarella to disclose material, non-public information in connection with his purchase of stock would constitute deceit.” Id., at 683. Accordingly, the jury was instructed that the petitioner employed a scheme to defraud if he “did not disclose . . . material nonpublic information in connection with the purchases of the stock.” Id., at 685-686.
Alternatively, the jury was instructed that it could convict if “Chiarella’s alleged conduct of having purchased securities without disclosing material, non-public information would have or did have the effect of operating as a fraud upon a seller.” Id., at 686. The judge earlier had stated that fraud “embraces all the means which human ingenuity can devise and which are resorted to by one individual to gain an advantage over another by false misrepresentation, suggestions or by suppression of the truth.” Id., at 683.
The jury instructions demonstrate that petitioner was convicted merely because of his failure to disclose material, nonpublic information to sellers from whom he bought the stock of target corporations. The jury was not instructed on the nature or elements of a duty owed by petitioner to anyone other than the sellers. Because we cannot affirm a criminal conviction on the basis of a theory not presented to the jury, Revñs v. United States, 401 U. S. 808, 814 (1971), see Dunn v. United States, 442 U. S. 100, 106 (1979), we will not speculate upon whether such a duty exists, whether it has been [237]*237breached, or whether such a breach constitutes a violation of § 10 (b).21
The judgment of the Court of Appeals is
Reversed.