QuickLinks -- Click here to rapidly navigate through this document
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported) July 17, 2002
Credit Suisse First Boston (USA), Inc.
(Exact name of registrant as specified in its charter)
Delaware
(State or other jurisdiction of incorporation or organization)
1-6862 | | 13-1898818 |
(Commission File Number) | | (I.R.S. Employer (Identification No.) |
| | |
Eleven Madison Avenue, New York, New York | | 10010 |
(Address of principal executive office) | | (Zip Code) |
(212) 325-2000
(Registrant's telephone number, including area code)
(Former name or former address, if changed since last report)
Item 5. Other Events
On July 17, 2002, Standard & Poor's changed to negative from stable the ratings outlook for our AA- senior debt rating, the AA- senior debt rating of Credit Suisse First Boston and the A+ senior debt rating of Credit Suisse Group. Standard & Poor's also affirmed these ratings.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.
| | CREDIT SUISSE FIRST BOSTON (USA), INC. |
| | By: | | /s/ DAVID C. FISHER David C. Fisher Chief Financial and Accounting Officer |
July 18, 2002
QuickLinks
Date of Report (Date of earliest event reported) July 17, 2002SIGNATURE