VICOR CORP

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

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)

Other Events

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)

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

Results of Operations and Financial Condition

Submission of Matters to a Vote of Security Holders

Specialized Disclosure Report

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

Annual Report Scanned (Paper)

Definitive Proxy Statement

Results of Operations and Financial Condition

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

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

Results of Operations and Financial Condition

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

Results of Operations and Financial Condition

Submission of Matters to a Vote of Security Holders

Specialized Disclosure Report

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

Annual Report Scanned (Paper)

Definitive Proxy Statement

Results of Operations and Financial Condition

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

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

Results of Operations and Financial Condition

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

2.02,9.01

5.07

Specialized Disclosure Report

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

Annual Report Scanned (Paper)

Definitive Proxy Statement

2.02,9.01

Annual report pursuant to Section 13 or 15(d)

2.02,9.01

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

2.02,9.01

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

2.02,9.01

5.02,5.07

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

Specialized Disclosure Report

Annual Report Scanned (Paper)

Definitive Proxy Statement

2.02,9.01

Annual report pursuant to Section 13 or 15(d)

Letter from the SEC

Correspondence with the SEC

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

Letter from the SEC

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

Specialized Disclosure Report

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)

Specialized Disclosure Report

Definitive Proxy Statement

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

Additional Information for Proxy Statement/ Votes

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Additional Information for Proxy Statement/ Votes

Specialized Disclosure Report

Definitive Proxy Statement

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

Specialized Disclosure Report

Definitive Proxy Statement

06b

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

Specialized Disclosure Report

Definitive Proxy Statement

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

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

Specialized Disclosure Report

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

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

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

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

VINCIARELLI PATRIZIO

VINCIARELLI PATRIZIO

Davies Philip D

VINCIARELLI PATRIZIO

VINCIARELLI PATRIZIO

Davies Philip D

Davies Philip D

ANDERSON SAMUEL J

Lavie Zmira

ANDERSON SAMUEL J

Lavie Zmira

Davies Philip D

ANDERSON SAMUEL J

EICHTEN ESTIA J

Lavie Zmira

Lavie Zmira