XASE:ADGE American DG Energy, Inc. Insider Activity 4 Filing - 5/25/2012

Effective Date 5/25/2012

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FORM 4

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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3235-0287

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January 31, 2005

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

RBC Holdings (Channel Islands) Ltd

2. Issuer Name and Ticker or Trading Symbol
AMERICAN DG ENERGY INC [ADGE]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

19-21 BROAD STREET

3. Date of Earliest Transaction (Month/Day/Year)
05/25/2012

(Street)

ST. HELIER, Y9 JE1 3PB

4. If Amendment, Date Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/25/2012		J⁽¹⁾		219,469	A	⁽¹⁾	826,612	I	By subsidiary⁽²⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security
(Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code
(Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date
(Month/Day/Year)

7. Title and Amount of Underlying Securities
(Instr. 3 and 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
RBC Holdings (Channel Islands) Ltd 19-21 BROAD STREET ST. HELIER, Y9 JE1 3PB		X
RBC cees Trustee LTD 19-21 BROAD STREET ST. HELIER, Y9 JE1 3PB		X

Signatures

/s/ Chris Blampied, as Director, RBC Holdings (Channel Islands) Limited		05/30/2012
^**Signature of Reporting Person		Date
/s/ George Dick, as Authorized Signatory, RBC Holdings (Channel Islands) Limited		05/30/2012
^**Signature of Reporting Person		Date
/s/ Mike Evans, as Director, RBC cees Trustee Limited		05/29/2012
^**Signature of Reporting Person		Date
/s/ Keith Mallet, as Director, RBC cees Trustee Limited		05/29/2012
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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).
(1)	The shares constitute accrued interest paid by the issuer on two 6% Senior Unsecured Convertible Debentures Due 2018 with a conversion price of $2.20 in the principal amount of (a) $10,100,000 and (b) $6,900,000.
(2)	The shares reported in this table are held by RBC cees Trustee Limited, which is an indirectly wholly owned subsidiary of RBC Holdings (Channel Islands) Limited.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

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XASE:ADGE American DG Energy, Inc. Insider Activity 4 Filling

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