COMPUTER NETWORK TECHNOLOGY CORP

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

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))

1.01,9.01

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)

2.02,7.01,8.01,9.01

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)

4.01

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)

Annual report pursuant to Section 13 or 15(d)

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)

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

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

2.02,2.06

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

12

12

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

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

5

12

Annual Report Scanned (Paper)

12

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

12

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

12

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

12

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

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

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

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

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

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

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

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Preliminary Proxy Statement

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

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

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

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

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

Required Information in Proxy Statement

Definitive Proxy Statement

No description available

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

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

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

Definitive Proxy Statement

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

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

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