Form F-4 vs S-4: foreign vs domestic M&A doc
On Form F-4 vs S-4, both are registration statements companies file with the US Securities and Exchange Commission (SEC) under the Securities Act of 1933 to register securities issued in a merger, exchange offer, or other business combination. The difference is who files. A domestic issuer files Form S-4; a foreign private issuer files Form F-4. This guide compares Form F-4 vs S-4 across the issuer, the disclosure, and the accounting. It is not investment advice.
Definition
Form F-4 versus S-4
are both Securities Act registration statements for securities issued in mergers and business combinations. Form S-4 is for domestic issuers. Form F-4 is for foreign private issuers and accommodates home-country disclosure, including IFRS financial statements. Source: SEC.
When is each used?
The dividing line is the issuer's status. A US domestic company issuing its shares in a combination registers them on Form S-4. A foreign private issuer doing the same registers on Form F-4, which is prescribed by 17 CFR 239.34. Both cover the same kinds of transactions: Rule 145 mergers and reclassifications, exchange offers, and resales, and both can double as a proxy or consent solicitation where a vote is needed.
How do they differ?
The forms mirror each other; the accommodations differ.
| What to check | Form S-4 | Form F-4 |
|---|---|---|
| Filer | Domestic issuer | Foreign private issuer |
| Statute | Securities Act of 1933 | Securities Act of 1933 |
| Transactions | Mergers, exchange offers, Rule 145 | Mergers, exchange offers, Rule 145 |
| Accounting | US GAAP | US GAAP or IFRS as issued by the IASB |
| Combines with proxy | Where a vote is needed | Where a vote is needed |
Domestic vs foreign
S-4 registers domestic-issuer combination shares; F-4 registers foreign-issuer ones
Source: SEC
Which one should you read?
Read whichever matches the issuer. For a US company's merger, the S-4 carries the terms and the deal disclosure. For a foreign private issuer's combination, the F-4 does the same. These sit alongside the rest of the foreign-issuer family: the F-1 for a first US offering and the 20-F annual report.
Both forms sit on the SEC's EDGAR system, free to read. Flock reads disclosure filings and keeps each one dated and linked to its source, so you can move from a summary to the original filing in one step. What any of it means for your money is your call to make.
Frequently asked questions
What is the difference between Form F-4 and Form S-4?
Both are Securities Act registration statements for securities issued in mergers and business combinations. Form S-4 is filed by domestic issuers. Form F-4 is filed by foreign private issuers and accommodates home-country disclosure. Source: SEC.
When would a company file an F-4 instead of an S-4?
A foreign private issuer issuing its securities in a merger, exchange offer, or other Rule 145 transaction files Form F-4. A US domestic issuer doing the same files Form S-4. The issuer's status decides the form. Source: SEC.
Can a Form F-4 use IFRS financial statements?
Yes. As a foreign-issuer form, Form F-4 accommodates home-country practice, including presenting financial statements under IFRS as issued by the IASB rather than US GAAP. Source: SEC.
Are both filed on EDGAR?
Yes. Both Form F-4 and Form S-4 are filed on the SEC's EDGAR system and are free to read. Amendments appear as F-4/A and S-4/A. Source: SEC EDGAR.
Flock tracks these filings, sourced, dated, and linked back to the original. See what smart-money entities disclosed, without the guesswork about what it means.
Disclosures shown are public regulatory filings. Data may be delayed or incomplete. Smart-money entities may no longer hold positions shown. Not investment advice.