Sec Form 4 Filing - RBC Holdings (Channel Islands) Ltd @ AMERICAN DG ENERGY INC - 2012-10-23

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 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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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 (MM/DD/YY) 10/23/2012 (Street) ST. HELIER, Y9JE1 3PB 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 10/23/2012 S 100,000 D $ 2.3586 ( 1 ) 726,612 I By subsidiary ( 2 ) Common Stock 10/24/2012 S 607 D $ 2.5287 ( 1 ) 726,005 I By subsidiary ( 2 ) Common Stock 10/25/2012 S 199 D $ 2.5 725,806 I By subsidiary ( 2 ) Common Stock 10/26/2012 S 49,194 D $ 2.4485 ( 1 ) 676,612 I By subsidiary ( 2 ) Common Stock 10/31/2012 S 50,000 D $ 2.449 626,612 I By subsidiary ( 2 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other RBC Holdings (Channel Islands) Ltd 19-21 BROAD STREET ST. HELIER, Y9JE1 3PB X RBC cees Trustee LTD 19-21 BROAD STREET ST. HELIER, Y9JE1 3PB X Signatures /s/ Graham Huelin, as Director, RBC Holdings (Channel Islands) Limited 11/02/2012 Signature of Reporting Person Date /s/ Stephen Romeril, as Director, RBC Holdings (Channel Islands) Limited 11/02/2012 Signature of Reporting Person Date /s/ Mike Evans, as Director, RBC Holdings (Channel Islands) Limited 11/02/2012 Signature of Reporting Person Date /s/ Keith Mallet, as Director, RBC Holdings (Channel Islands) Limited 11/02/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Common Stock price has been rounded to four decimal points because the EDGAR Software only provides for four decimal points. ( 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.

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 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).

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