ZIFF DAVIS INC

Q: Dec 31 2000

Q: Jun 30 2000

Q: Mar 31 2000

FY: Dec 31 1999

FY: Dec 31 1999

Q: Sep 30 1999

Q: Jun 30 1999

Q: Mar 31 1999

FY: Dec 31 1998

Q: Sep 30 1998

Q: Jun 30 1998

Q: Mar 31 1998

2,7

2,7

2,7

5

5

5,7

2,7

5

2,7

5,7

Certification of termination of registration of a class of securities (Section 12(b))

Registration statement under Securities Act of 1933 (amendment)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus filed under Rule 424(b)(1)

Amended Initial Registration Statement

Amended Initial Registration Statement

Amended Initial Registration Statement

No description available

Definitive Proxy Statement

No description available

No description available

No description available

No description available

SOFTBANK CORP

SOFTBANK HOLDINGS INC ET AL

SOFTBANK CORP

SOFTBANK AMERICA INC