<Page>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
---------------
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities and Exchange Act of 1934
Date of Report: August 17, 2001
CARLISLE COMPANIES INCORPORATED
----------------------------------------
(Exact name of registrant specified in its charter)
DELAWARE 1-9278 31-1168055
- --------------------------------------------------------------------------------
(State or other jurisdiction (Commission (IRS Employer
of incorporation) File Number) Identification No.)
15800 JOHN J. DELANEY DRIVE, SUITE 350, CHARLOTTE, NC 28277
- --------------------------------------------------------------------------------
(Address of principal executive offices)
704-752-1100
------------
(Registrant's telephone number)
<Page>
INFORMATION TO BE INCLUDED IN THE REPORT
Item 1, items 3 through 6 and item 8 are inapplicable and are omitted from this
Report.
Item 2. ACQUISITION OR DISPOSITION OF ASSETS
On August 17, 2001 (the "Closing Date"), Carlisle Companies
Incorporated ("Carlisle"), through various wholly-owned subsidiaries, acquired
from Dayco Products, LLC ("Dayco") and certain related entities (collectively,
"Sellers"), substantially all of the assets (the "Assets") comprising Sellers'
business of manufacturing, distributing and/or selling rubber belts, tensioners,
pulleys and accessories used to transfer power from an engine or motor to a
drive system, other than (except in limited circumstances) rubber belts,
tensioners and pulleys that are used to transfer power to accessory and camshaft
drive systems for use in cars, light trucks and other on-road vehicles up to and
including Class 8, and for use on engines of up to 1,000 horse power (the
"Industrial Power Transmission Business").
The terms of the acquisition are more fully described in the Asset
Purchase Agreement, dated August 10, 2001, by and among Carlisle, Dayco and the
other Sellers set forth on the signature page to the Asset Purchase Agreement. A
copy of the Asset Purchase Agreement is filed as an Exhibit to this Report.
Dayco is a wholly-owned limited liability company of Mark IV
Industries, Inc., a Delaware corporation having its principal place of business
at One Towne Centre, 501 John James Audubon Parkway, Amherst, New York.
The Assets include (i) certain owned real property located at (a) 4505
Campbell Drive, Fort Scott, Kansas, (b) 2601 Battlefield Road, Springfield,
Missouri, (c) 4097 Pepin Avenue, Red Wing, Minnesota and (d) E-08800 Vilanovai
la Gehro, Apartado 295, Zona Ind Le La Plan, Barcelona, Spain; (ii) certain
leased real property located at (a) One Prestige Place, Miamisburg, Ohio and (b)
930 S. Rockefeller, Ontario, California, (iii) all machinery and equipment used
in the Industrial Power Transmission Business, (iv) all inventories and accounts
receivable of the Industrial Power Transmission Business and (v) all goodwill in
the Industrial Power Transmission Business. Carlisle intends to continue to
employ the acquired Assets in the operation of the Industrial Power Transmission
Business.
-2-
<Page>
The purchase price for the Industrial Power Transmission Business was
$142,0000,000 plus the assumption of liabilities (other than obligations for
borrowed funds), including liabilities for certain benefit obligations. The
purchase price was arrived at pursuant to an arms-length negotiation between the
parties.
The source of funds was a borrowing under Carlisle's existing Credit
Agreements with the following lenders: The Chase Manhattan Bank, SunTrust Bank,
BankOne, N.A., Fleet National Bank, Bank of Tokyo-Mitsubishi Trust Company,
KeyBank National Association, Wachovia Bank, N.A. ABN Ambro Bank N.V., HSBC Bank
USA, Manufacturers and Traders Trust Company, The Bank of New York, and Den
Danske Bank Aktieselskab.
There is no material relationship between Sellers, Mark IV and their
affiliates, directors and officers, on the one hand, and Carlisle Companies
Incorporated and its affiliates, directors and officers, on the other hand.
Item 7. FINANCIAL STATEMENTS AND EXHIBITS.
---------------------------------
(c) Exhibits.
The following exhibits are filed with this Report on
Form 8-K:
REGULATION S-K
EXHIBIT NUMBERS EXHIBIT
2 Asset Purchase
Agreement, dated August
10, 2001, among Carlisle
Companies Incorporated,
Dayco Products, LLC and
other Sellers set forth
on the signature page
thereof.
99 News release announcing
acquisition.
-3-
<Page>
EXHIBIT INDEX
Exhibit Number Description Page
- -------------- ----------- ----
2 Asset Purchase Agreement,
dated August 10, 2001, among
Carlisle Companies Incorporated,
Dayco Products, LLC and the other
Sellers set forth on the signature
page thereto.
99 News release announcing
acquisition.
-4-
<Page>
SIGNATURES
Pursuant to the requirements of the Securities and Exchange Act of
1934, the Registrant has duly caused this report to be signed on its behalf by
the undersigned thereunto duly authorized.
Dated: August 17, 2001
CARLISLE COMPANIES INCORPORATED
By: /s/ DENNIS J. HALL
---------------------------------
Dennis J. Hall
Vice Chairman
-5-