ACTV INC /DE/

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

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

5,7

5,7,9

General form for quarterly reports under Section 13 or 15(d)

No description available

Annual report pursuant to Section 13 or 15(d)

No description available

No description available

General form for quarterly reports under Section 13 or 15(d) (amendment)

General form for quarterly reports under Section 13 or 15(d) (amendment)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

5,7

General form for quarterly reports under Section 13 or 15(d)

5,7

Required Information in Proxy Statement

5,7

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

General form for quarterly reports under Section 13 or 15(d)

5,7

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d) (amendment)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d) (amendment)

General form for quarterly reports under Section 13 or 15(d) (amendment)

Annual report pursuant to Section 13 or 15(d) (amendment)

Notification of late filing of Form 10-K

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

Prospectus Supplement for Primary Offering

Annual report pursuant to Section 13 or 15(d) (amendment)

Registration statement under Securities Act of 1933

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

Annual report pursuant to Section 13 or 15(d)

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

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933

Withdrawal of a registration statement

Registration statement under Securities Act of 1933

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Additional Information for Proxy Statement/ Votes

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Definitive Proxy Statement

Prospectus Supplement with Pricing Information

Preliminary Proxy Statement

Registration statement under Securities Act of 1933

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Prospectus filed under Rule 424(b)(1)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Registration statement under Securities Act of 1933 (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Registration statement under Securities Act of 1933

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

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Registration statement under Securities Act of 1933 (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Registration statement under Securities Act of 1933 (amendment)

Required Information in Proxy Statement

Definitive Proxy Statement

5,7

No description available

Definitive Proxy Statement

Preliminary Proxy Statement

5

5

No description available

Definitive Proxy Statement

Preliminary Proxy Statement

5

LIBERTY MEDIA CORP /DE/

LIBERTY MEDIA CORP /DE/