Michael Toporek - May 13, 2021 Form 4 Insider Report for MECHANICAL TECHNOLOGY INC (SLNH)

Role: Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ Jessica L. Olszowy, attorney-in-fact
Stock symbol: SLNH
Transactions as of: May 13, 2021
Transactions value $: $0
Form type: 4
Date filed: 5/17/2021, 08:05 PM
Next filing: Apr 18, 2022

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SLNH	Stock Options (Right to Buy)	Award	$0	+500K	+6666.67%	$0.00	508K	May 13, 2021	Common Stock	500K	$6.84	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The stock options were received as compensation for the reporting person's services as an officer of the issuer. The stock options are schedule to vest in equal installments on the first, second and third anniversaries of May 13, 2021, so long as the reporting person remains in the service of the issuer on each such anniversary. The stock options expire five years after each applicable vesting date.

Content

The stock options were received as compensation for the reporting person's services as an officer of the issuer. The stock options are schedule to vest in equal installments on the first, second and third anniversaries of May 13, 2021, so long as the reporting person remains in the service of the issuer on each such anniversary. The stock options expire five years after each applicable vesting date.