Soluna Holdings, Inc — Director's Dealing 2004

Dec 15, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MECHANICAL TECHNOLOGY INC (MKTY)
CIK: 0000064463
Period of Report: 2004-12-14

Reporting Person: CHAVES DENIS P (VP & GM, MTI Instruments, Inc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-12-14	Common Stock	M	35000	$1.33	Acquired	35000.00	Direct
2004-12-14	Common Stock	S	35000	$6.03	Disposed	0.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-12-14	Employee Stock Options (Right to Buy)	$1.33	M	35000	Disposed	2008-06-15	Common Stock (35000.00)	Direct

Footnotes

F1: Options vest annually at a rate of 25% per year beginning 06/16/99.