Soluna Holdings, Inc — Director's Dealing 2007

Apr 23, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MECHANICAL TECHNOLOGY INC (MKTY)
CIK: 0000064463
Period of Report: 2007-04-20

Reporting Person: ROBB WALTER L (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-04-20	Stock Options (Rights to Buy)	$1.65	A	50000	Acquired	2014-04-19	Common Stock (50000.00)	Direct
2007-04-20	Stock Options (Rights to Buy)	$1.65	A	5000	Acquired	2014-04-19	Common Stock (5000.00)	Direct
2007-04-20	Stock Options (Rights to Buy)	$1.65	A	5000	Acquired	2014-04-19	Common Stock (5000.00)	Direct
2007-04-20	Stock Options (Rights to Buy)	$1.65	A	5000	Acquired	2014-04-19	Common Stock (5000.00)	Direct

Footnotes

F1: Stock option grant for annual board service.

F2: Immediately Vested

F3: Stock option grant for annual board committee service.