17 CFR § 239.25 - Form S-4, for the registration of securities issued in business combination transactions.

---
identifier: "/us/cfr/t17/s239.25"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "17 CFR § 239.25 - Form S-4, for the registration of securities issued in business combination transactions."
title_number: 17
title_name: "Commodity and Securities Exchanges"
section_number: "239.25"
section_name: "Form S-4, for the registration of securities issued in business combination transactions."
chapter_name: "SECURITIES AND EXCHANGE COMMISSION"
part_number: "239"
part_name: "FORMS PRESCRIBED UNDER THE SECURITIES ACT OF 1933"
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, 77f, 77g, 77h, 77j, 77s, 77z-2, 77z-3, 77sss, 78c, 78 78m, 78n, 78(d), 78-7 note, 78u-5, 78w(a), 78 78mm, 80a-2(a), 80a-3, 80a-8, 80a-9, 80a-10, 80a-13, 80a-24, 80a-26, 80a-29, 80a-30, 80a-37, and sec. 71003 and sec. 84001, Pub. L. 114-94, 129 Stat. 1321, unless otherwise noted."
regulatory_source: "33 FR 18991, Dec. 20, 1968, unless otherwise noted."
cfr_part: "239"
---


# 239.25 Form S-4, for the registration of securities issued in business combination transactions.

This form may be used for registration under the Securities Act of 1933 of securities to be issued (a) in a transaction of the type specified in paragraph (a) of Rule 145 (§ 230.145 of this chapter); (b) in a merger in which the applicable state law would not require the solicitation of the votes or consents of all of the security holders of the company being acquired; (c) in an exchange offer for securities of the issuer or another entity; (d) in a public reoffering or resale of any such securities acquired pursuant to this registration statement; or (e) in more than one of the kinds of transactions listed in paragraphs (a) through (d) registered on one registration statement.

[50 FR 19001, May 6, 1985]

For  citations affecting Form S-4, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at