-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, FAnuIvCmWJSexocpu+xv9jqWgxQtqGQLcvanQ9TXDYcA+Y9xoLAW3/R1Dbxy7NiB 3H/a43IyNyQixR/MRVHtfg== 0000064463-03-000009.txt : 20030121 0000064463-03-000009.hdr.sgml : 20030120 20030121115003 ACCESSION NUMBER: 0000064463-03-000009 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20030117 FILED AS OF DATE: 20030121 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PLUG POWER INC CENTRAL INDEX KEY: 0001093691 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRICAL INDUSTRIAL APPARATUS [3620] IRS NUMBER: 223672377 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-27527 FILM NUMBER: 03518957 BUSINESS ADDRESS: STREET 1: 968 ALBANY-SHAKER ROAD CITY: LATHAM STATE: NY ZIP: 12110 BUSINESS PHONE: 5187827700 MAIL ADDRESS: STREET 1: 968 ALBANY-SHAKER ROAD CITY: LATHAM STATE: NY ZIP: 12110 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: MECHANICAL TECHNOLOGY INC CENTRAL INDEX KEY: 0000064463 STANDARD INDUSTRIAL CLASSIFICATION: MEASURING & CONTROLLING DEVICES, NEC [3829] RELATIONSHIP: OWNER IRS NUMBER: 141462255 STATE OF INCORPORATION: NY FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 BUSINESS ADDRESS: STREET 1: 431 NEW KARNER ROAD STREET 2: BUILDING #4 CITY: ALBANY STATE: NY ZIP: 12205 BUSINESS PHONE: 5185332200 MAIL ADDRESS: STREET 1: 431 NEW KARNER ROAD STREET 2: BUILDING #4 CITY: ALBANY STATE: NY ZIP: 12205 4 1 pp012003.htm MECHANICAL TECHNOLOGY INC. - FORM 4 01/17/03 SEC Form 4
FORM 4

[ ] Check this box if no longer
subject to Section 16. Form 4 or Form
5 obligations may continue.
See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility
Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
OMB APPROVAL



OMB Number: 3235-0287
Expires: December 31, 2001
Estimated average burden
hours per response. . . . . 0.5
1. Name and Address of Reporting Person*
Mechanical Technology Incorporated
(Last)                      (First)                      (Middle)
431 New Karner Road


(Street)
Albany, NY     12205

(City)                      (State)                      (Zip)
USA
2. Issuer Name and Ticker
    or Trading Symbol

Plug Power Inc.   PLUG
3. I.R.S. Identification
    Number of Reporting
    Person, if an entity
    (voluntary)

14-1462255
4. Statement for
    (Month/Year)

    January 2003


5. If Amendment,
    Date of Original
    (Month/Year)
6. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

                        Director              X          10% Owner
                        Officer                             Other

Officer/Other
Description                              
7. Individual or Joint/Group
    Filing (Check Applicable Line)

X   Individual Filing
      Joint/Group Filing
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security
    (Instr. 3)

2. Transaction Date
    (Month/Day/Year)
3. Transaction
    Code
    and
    Voluntary
    Code
    (Instr. 8)


Code  |  V    
4. Securities Acquired (A) or Disposed (D) Of
    (Instr. 3, 4, and 5)






        Amount      |         A/D         |         Price          
5. Amount of
    Securities
    Beneficially
    Owned at
    End of Month

    (Instr. 3 and 4)
6. Owner-
    ship
    Form:
    Direct(D)
    or
    Indirect (I)

    (Instr. 4)
7. Nature of
     Indirect
     Beneficial
     Ownership

    (Instr. 4)
Plug Power Inc. - Common Stock 01/14/2003
   S |     
8,700.00   |           D           |   $4.82        

D

Plug Power Inc. - Common Stock 01/15/2003
   S |     
5,200.00   |           D           |   $4.75        

D

Plug Power Inc. - Common Stock 01/16/2003
   S |     
3,000.00   |           D           |   $4.63        

D

Plug Power Inc. - Common Stock 01/17/2003
   S |     
5,100.00   |           D           |   $4.49        
8,028,227.00
D








Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

(over)
SEC 1474 (3-99)


Mechanical Technology Incorporated - January 2003
Form 4 (continued)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
    (Instr. 3)
2. Conver-
    sion or
    Exercise
    Price of
    Deri-
    vative
    Security
3. Transaction
    Date

    (Month/
    Day/
    Year)
4. Transaction
    Code
    and
    Voluntary (V)
    Code
    (Instr.8)






Code | V    
5. Number of Derivative
    Securities Acquired (A)
    or Disposed (D) Of

    (Instr. 3,4 and 5)
6. Date Exercisable(DE) and
    Expiration Date(ED)
    (Month/Day/Year)









  (DE)     |     (ED)  
7. Title and Amount of
    Underlying Securities
    (Instr. 3 and 4)
8. Price
    of
    Derivative
    Security
    (Instr.5)
9. Number of
    Derivative
    Securities
    Beneficially
    Owned
    at End of
    Month
    (Instr.4)
10.
Owner-
ship
Form of
Deriv-
ative
Security:
Direct
(D)
or
Indirect
(I)
11. Nature of
      Indirect
      Beneficial
      Ownership
      (Instr.4)











Explanation of Responses :


** Intentional misstatements or omissions of facts constitute Federal Criminal Violations.
        See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note:   File three copies of this Form, one of which must be manually signed. If space is insufficient,
            See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not
required to respond unless the form displays a currently valid OMB number.
________________________________            01-20-2003    
** Signature of Reporting Person                         Date


Mechanical Technology Incorporated



Page 2
SEC 1474 (3-99)

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