COMPUTER NETWORK TECHNOLOGY CORP

FY: Jan 31 2005

Q: Oct 31 2004

Q: Jul 31 2004

Q: Apr 30 2004

FY: Apr 14 2004

Q: Oct 31 2003

Q: Jul 31 2003

Q: Apr 30 2003

FY: Jan 31 2003

Q: Oct 31 2002

Q: Jul 31 2002

Q: Apr 30 2002

FY: Jan 31 2002

Q: Oct 31 2001

Q: Oct 31 2001

Q: Jul 31 2001

Q: Apr 30 2001

FY: Jan 31 2001

Q: Oct 31 2000

Q: Jul 31 2000

1.01,9.01

2.02,7.01,8.01,9.01

4.01

4.01,9.01

2.02,9.01

2.02,4.02,9.01

Entry into a Material Definitive Agreement

8.01,9.01

1.01,9.01

1.01,9.01

1.01,7.01,9.01

2.02,2.06

12

12

5

12

12

12

12

12

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

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

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)

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)

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)

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Required Information in Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

HEARTLAND ADVISORS INC

ROLLWAGEN JOHN A

EARLEY KATHLEEN B

HUDSON THOMAS G

BARNUM GREGORY T

HUDSON THOMAS G

BEYER ROBERT R

BERTELSEN JEFFREY A

KNITTEL MARK R

WALSH EDWARD J

GROSS PATRICK W

KELEN ERWIN A

MCLERNON LAWRENCE A

DIPENTIMA RENATO A

RYAN BRUCE J

HUDSON THOMAS G

BEYER ROBERT R

WALSH EDWARD J

BERTELSEN JEFFREY A

KNITTEL MARK R

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)