17 CFR § 240.10b-5 - Employment of manipulative and deceptive devices.

---
identifier: "/us/cfr/t17/s240.10b-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "17 CFR § 240.10b-5 - Employment of manipulative and deceptive devices."
title_number: 17
title_name: "Commodity and Securities Exchanges"
section_number: "240.10b-5"
section_name: "Employment of manipulative and deceptive devices."
chapter_name: "SECURITIES AND EXCHANGE COMMISSION"
part_number: "240"
part_name: "GENERAL RULES AND REGULATIONS, SECURITIES EXCHANGE ACT OF 1934"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 77c, 77d, 77g, 77j, 77s, 77z-2, 77z-3, 77eee, 77ggg, 77nnn, 77sss, 77ttt, 78c, 78c-3, 78c-5, 78d, 78e, 78f, 78g, 78i, 78j, 78j-1, 78j-4, 78k, 78k-1, 78 78m, 78n, 78n-1, 78 78-4, 78-10, 78p, 78q, 78q-1, 78s, 78u-5, 78w, 78x, 78dd, 78 78mm, 80a-20, 80a-23, 80a-29, 80a-37, 80b-3, 80b-4, 80b-11, 1681w(a)(1), 6801-6809, 6825, 7201  and 8302; 7 U.S.C. 2(c)(2)(E); 12 U.S.C. 5221(e)(3); 18 U.S.C. 1350; Pub. L. 111-203, 939A, 124 Stat. 1376 (2010); and Pub. L. 112-106, sec. 503 and 602, 126 Stat. 326 (2012), unless otherwise noted."
cfr_part: "240"
---


# 240.10b-5 Employment of manipulative and deceptive devices.

It shall be unlawful for any person, directly or indirectly, by the use of any means or instrumentality of interstate commerce, or of the mails or of any facility of any national securities exchange,

(a) To employ any device, scheme, or artifice to defraud,

(b) To make any untrue statement of a material fact or to omit to state a material fact necessary in order to make the statements made, in the light of the circumstances under which they were made, not misleading, 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.

(Sec. 10; 48 Stat. 891; 15 U.S.C. 78j)

[13 FR 8183, Dec. 22, 1948, as amended at 16 FR 7928, Aug. 11, 1951]