<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
----------------------
Form 8-A
FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
PURSUANT TO SECTION 12(b) OR 12(g) OF THE
SECURITIES EXCHANGE ACT OF 1934
----------------------
Mediacom Communications Corporation
(Exact name of registrant as specified in its charter)
Delaware 06-1566067
(State of incorporation or organization) (I.R.S. Employer
Identification Number)
100 Crystal Run Road
Middletown, New York 10941
(Address principal executive offices) (Zip Code)
----------------------
If this form relates to the registration of a class of securities pursuant
to Section 12(b) of the Exchange Act and is effective pursuant to General
Instruction A.(c), check the following box. |_|
If this form relates to the registration of a class of securities pursuant
to Section 12(g) of the Exchange Act and is effective pursuant to General
Instruction A.(d), check the following box. |X|
Securities Act registration statement file number to which this form
relates: 333-90879
Securities to be registered pursuant to Section 12(b) of the Act:
Name of each exchange on which each
Title of each class to be registered class is to be registered
Not Applicable Not Applicable
Securities to be registered pursuant to Section 12(g) of the Act:
Class A common stock, par value $0.01 per share
<PAGE>
INFORMATION REQUIRED IN REGISTRATION STATEMENT
ITEM 1. DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED.
A description of the Class A common stock, par value $0.01 per share (the
"Common Stock"), of Mediacom Communications Corporation (the "Registrant") will
be contained in a prospectus, constituting part of the Registrant's Registration
Statement on Form S-1 (File No. 333-90879), as amended, relating to the Common
Stock, to be filed pursuant to Rule 424(b) under the Securities Act of 1933, as
amended (such prospectus as filed pursuant to Rule 424(b), the "Prospectus").
The description of the Common Stock contained in the Prospectus is hereby
incorporated by reference into this Form 8-A.
ITEM 2. EXHIBITS.
Exhibit Number Description
- -------------- -----------
3.1 Restated Certificate of Incorporation of the Registrant*
3.2 By-Laws of the Registrant*
4.1 Form of certificate evidencing shares of Class A common stock*
* Denotes document filed or to be filed as an exhibit to the Registrant's
Registration Statement on Form S-1 (File No. 333-90879) and incorporated
herein by reference.
<PAGE>
SIGNATURE
Pursuant to the requirements of Section 12 of the Securities Exchange Act
of 1934, as amended, the registrant has duly caused this registration statement
to be signed on its behalf by the undersigned, thereto duly authorized.
Mediacom Communications Corporation
By: /s/ROCCO B. COMMISSO
---------------------------------------
Rocco B. Commisso
Chairman and Chief Executive Officer
Date: January 28, 2000