MECHANICAL TECHNOLOGY INC

Regulation FD Disclosure

Regulation FD Disclosure

Regulation FD Disclosure

Regulation FD Disclosure

Regulation FD Disclosure

Regulation FD Disclosure

Annual Report Scanned (Paper)

Definitive Proxy Statement

Preliminary Proxy Statement

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

Results of Operations and Financial Condition

Regulation FD Disclosure

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

Regulation FD Disclosure

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

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

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Regulation FD Disclosure

Regulation FD Disclosure

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

Financial Statements and Exhibits

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

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

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Regulation FD Disclosure

Correspondence with the SEC

Letter from the SEC

Other Events

Registration statement under Securities Act of 1933

Regulation FD Disclosure

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Correspondence with the SEC

Letter from the SEC

Notice of Effectiveness

Correspondence with the SEC

Registration statement under Securities Act of 1933

Registration (IPO) statement under Securities Act of 1933

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

Letter from the SEC

Draft registration statement (confidential submission)

Prospectus Supplement for Primary Offering

Annual report pursuant to Section 13 or 15(d)

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Correspondence with the SEC

Registration statement under Securities Act of 1933

Letter from the SEC

Draft registration statement (confidential submission)

Prospectus Supplement for Primary Offering

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)

Prospectus Supplement for Primary Offering

Additional Information for Proxy Statement/ Votes

Registration (IPO) statement under Securities Act of 1933

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

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

Annual Report Scanned (Paper)

Definitive Proxy Statement

Preliminary Proxy Statement

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

Correspondence with the SEC

Letter from the SEC

Annual report pursuant to Section 13 or 15(d)

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

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

Definitive Proxy Statement

Preliminary Proxy Statement

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

Preliminary 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)

Definitive Proxy Statement

Preliminary Proxy Statement

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

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

Annual report pursuant to Section 13 or 15(d)

Definitive Proxy Statement

Preliminary Proxy Statement

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

Definitive Proxy Statement

Preliminary Proxy Statement

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

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

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Thomas Jessica L.

Thomas Jessica L.

OReilly Mary Jennifer

Phelan William P

Phelan William P

Belizaire John

Phelan William P

Belizaire John

PICCHI MICHAEL

Phelan William P

Belizaire John

Phelan William P

PICCHI MICHAEL

Phelan William P

Phelan William P

Hirshfield Edward R

Carver Ryan

Carver Ryan