SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Landegger Gregory M (Last) (First) (Middle) 10 NEW BOND STREET (Street) WORCESTER MA 01606 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 09/04/2012	3. Issuer Name and Ticker or Trading Symbol THERMOENERGY CORP [ TMEN ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Vice President and COO	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option	(1)	09/04/2022	Common Stock	4,000,000	$0.097	D

Explanation of Responses:

1. The option is exercisable with respect to 100,000 shares immediately and becomes exercisable ("vests") with respect to an additional 243,750 shares on the first day of each fiscal quarter, commencing on October 1, 2012 and continuing through and to July 1, 2016, subject to the Reporting Person's continued employment by, or service as a consultant to, the Issuer but provided that, in the event the Reporting Person's employment is terminated by the Issuer other than for cause, the option shall immediately become exercisable with respect to one-half of the shares with respect to which the option was then not yet vested.

	/s/ Gregory M. Landegger	09/05/2012
	** Signature of Reporting Person	Date
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 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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