Sale
CHURCH DALE W director director
Common Stock 5,000 $3.96 $19,800 Option
CHURCH DALE W director director
Chairman Amended 4/1/03 Stock Options 5,000 $3.96 $19,800 Option
CHURCH DALE W director director
Stock Options (Right to Buy) 6,250 $3.96 $24,750 Option
CHURCH DALE W director director
BOD 4/1/03 Stock Options (Rights to Buy) 20,000 $1.91 $38,200 Option
CHURCH DALE W director director
Common Stock 90,000 $3.19 $287,100 Option
CHURCH DALE W director director
Chairman Amended 4/1/03 Stock Options 25,000 $3.83 $95,750 Sale
CHURCH DALE W director director
Common Stock 20,000 $1.91 $38,200 Option
CHURCH DALE W director director
Employee Stock Options (Rights to Buy) 45,000 $3.83 $172,350 Option
CHURCH DALE W director director
Common Stock 55,000 $3.79 $208,450 Option
CHURCH DALE W director director
Stock Options (Right to Buy) 10,000 $3.75 $37,500 Sale
CHURCH DALE W director director
Common Stock 50,000 $3.65 $182,500 Option
DOHRING EDWARD A director director
Common Stock 26,312 $3.37 $88,540 Option
DOHRING EDWARD A director director
Employee Stock Options (Rights to Buy) 17,979 $3.2 $57,587 Option
DOHRING EDWARD A director director
Stock Options (Right to Buy) 8,333 $3.85 $32,082 Option
DOHRING EDWARD A director director
BOD 4/1/03 Stock Options (Rights to Buy) 10,000 $1.91 $19,100 Sale
DOHRING EDWARD A director director
Common Stock 5,000 $3.8 $19,000 Purchase
MARUSAK THOMAS J director director
Common Stock 7,000 $3.25 $22,750 Purchase
FISCHER STEVEN N director, officer: Executive Chairman director, officer: Executive Ch..
Common Stock 2,500 $2.81 $7,025 Purchase
ROBB WALTER L director director
Common Stock 10,000 $2.37 $23,700 Purchase
ACKER WILLIAM P other: CEO - MTI MFCI other: CEO - MTI MFCI
Common Stock 10,000 $2.49 $24,900 Purchase
FISCHER STEVEN N director, officer: Executive Chairman director, officer: Executive Ch..
Common Stock 2,600 $2.42 $6,292 Purchase
FISCHER STEVEN N director, officer: Executive Chairman director, officer: Executive Ch..
Common Stock 4,900 $2.37 $11,613 Sale
CHURCH DALE W director director
Common Stock 1,000 $6.5 $6,500 Option
CHAVES DENIS P other: VP & GM, MTI Instruments, Inc. other: VP & GM, MTI Instruments..
Common Stock 35,000 $1.33 $46,550 Sale
CHAVES DENIS P other: VP & GM, MTI Instruments, Inc. other: VP & GM, MTI Instruments..
Common Stock 35,000 $1.33 $46,550 Option
CHAVES DENIS P other: VP & GM, MTI Instruments, Inc. other: VP & GM, MTI Instruments..
Employee Stock Options (Right to Buy) 35,000 $1.33 $46,550 Option
FISCHER STEVEN N director, officer: Executive Chairman director, officer: Executive Ch..
Common Stock 10,000 $3.21 $32,100 Sale
CHURCH DALE W director director
Common Stock 7,961 $5.5 $43,786 Sale
CHURCH DALE W director director
Common Stock 17,039 $5.5 $93,715 Purchase
GOTTESFELD SHIMSHON other: VP & CTO - MTI MFCI other: VP & CTO - MTI MFCI
Common Stock 1,000 $5.96 $5,960 Sale
STERNLICHT BENO director director
Common Stock 56,856 $6.55 $372,407 Sale
STERNLICHT BENO director director
Common Stock 17,863 N/A N/A Sale
STERNLICHT BENO director director
Common Stock 281 N/A N/A Sale
STERNLIGHT BENO
Common Stock 50,000 $6 $300,000 Option
SCHEUER CYNTHIA A officer: VP, CFO & Secretary officer: VP, CFO & Secretary
Common Stock 5,000 $1.76 $8,800 Sale
SCHEUER CYNTHIA A officer: VP, CFO & Secretary officer: VP, CFO & Secretary
Common Stock 5,000 $1.76 $8,800 Option
SCHEUER CYNTHIA A officer: VP, CFO & Secretary officer: VP, CFO & Secretary
Employee Stock Options (Rights to Buy) 5,000 $1.76 $8,800 Sale
STERNLIGHT BENO
Common Stock 24,487 $6.48 $158,676 Sale
STERNLIGHT BENO
Common Stock 25,000 $6.55 $163,750 Option
CHAVES DENIS P other: VP & GM, MTI Instruments, Inc. other: VP & GM, MTI Instruments..
Employee Stock Options 25,000 $0.76 $19,000 Option
CHAVES DENIS P other: VP & GM, MTI Instruments, Inc. other: VP & GM, MTI Instruments..
Common Stock 25,000 $0.76 $19,000 Sale
CHAVES DENIS P other: VP & GM, MTI Instruments, Inc. other: VP & GM, MTI Instruments..
Common Stock 25,000 $0.76 $19,000 Sale
MECHANICAL TECHNOLOGY INC 10 percent owner 10 percent owner
Plug Power Inc. - Common Stock 5,000 $5.19 $25,950 Sale
MECHANICAL TECHNOLOGY INC 10 percent owner 10 percent owner
Plug Power Inc. - Common Stock 10,000 $5.09 $50,900 Sale
MECHANICAL TECHNOLOGY INC 10 percent owner 10 percent owner
Plug Power Inc. - Common Stock 10,000 $5.09 $50,900 Sale
MECHANICAL TECHNOLOGY INC 10 percent owner 10 percent owner
Plug Power Inc. - Common Stock 9,500 $5.09 $48,355 Sale
MECHANICAL TECHNOLOGY INC 10 percent owner 10 percent owner
Plug Power Inc. - Common Stock 10,000 $5.09 $50,900 Purchase
GOTTESFELD SHIMSHON other: VP & CTO - MTI MFCI other: VP & CTO - MTI MFCI
Common Stock 35,000 $1.23 $43,050