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
                                                                                  
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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(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Deutsch Peter Eric 		2. Issuer Name and Ticker or Trading Symbol

ZST Digital Networks, Inc. [ ZSTN ] 		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)

AER ADVISORS, INC., DRAKE HILL COMMONS, P.O. BOX 670 		3. Date of Earliest Transaction (MM/DD/YYYY)

5/21/2012
(Street)

NORTH HAMPTON, NH 03862
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   5/21/2012     P    11000   A $1.42   (1) (2) 756815   I   By AER Advisors, Inc.  
Common Stock   5/21/2012     P    11000   A $1.42   1814504   D    
Common Stock   5/22/2012     P    24000   A $1.52   (1) (3) 780815   I   By AER Advisors, Inc.  
Common Stock   5/22/2012     P    39000   A $1.54   1853504   D    
Common Stock   5/23/2012     P    15000   A $2.01   (1) (4) 795815   I   By AER Advisors, Inc.  
Common Stock   5/23/2012     P    29100   A $2.08   1882604   D    
Common Stock   5/24/2012     P    5000   A $2.24   (1) 800815   I   By AER Advisors, Inc.  
Common Stock   5/24/2012     P    5000   A $2.24   1887604   D    
Common Stock   5/25/2012     P    20000   A $2.25   (1) (5) 820815   I   By AER Advisors, Inc.  
Common Stock   5/25/2012     P    35000   A $2.26   1922604   D    
Common Stock   5/29/2012     P    15000   A $2.37   (1) (6) 835815   I   By AER Advisors, Inc.  
Common Stock   5/29/2012     P    15000   A $2.37   1937604   D    
Common Stock   5/30/2012     P    15000   A $2.39   (1) (7) 850815   I   By AER Advisors, Inc.  
Common Stock   5/30/2012     P    20000   A $2.39   1957604   D    
Common Stock   5/31/2012     P    15000   A $2.42   (1) (8) 865815   I   By AER Advisors, Inc.  
Common Stock   5/31/2012     P    10000   A $2.43   1967604   D    
Common Stock   6/1/2012     P    24254   A $2.47   (1) (9) 890069   I   By AER Advisors, Inc.  
Common Stock   6/1/2012     P    15000   A $2.45   1982604   D    
Common Stock   6/4/2012     P    30000   A $2.41   (1) (10) 920069   I   By AER Advisors, Inc.  
Common Stock   6/4/2012     P    35000   A $2.41   2017604   D    
Common Stock   6/5/2012     P    30000   A $2.39   (1) (11) 950069   I   By AER Advisors, Inc.  
Common Stock   6/5/2012     P    30000   A $2.39   2047604   D    
Common Stock   6/6/2012     P    25000   A $2.41   (1) (12) 975069   I   By AER Advisors, Inc.  
Common Stock   6/6/2012     P    25000   A $2.41   2072604   D    
Common Stock   6/7/2012     P    25000   A $2.39   (1) (13) 1000069   I   By AER Advisors, Inc.  
Common Stock   6/7/2012     P    35000   A $2.39   2107604   D    
Common Stock   6/11/2012     P    17500   A $2.37   (1) (14) 1017569   I   By AER Advisors, Inc.  
Common Stock   6/11/2012     P    17500   A $2.37   2125104   D    
Common Stock   6/12/2012     P    1000   A $2.40   (1) 1018569   I   By AER Advisors, Inc.  
Common Stock   6/12/2012     P    16000   A $2.40   2141104   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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

Explanation of Responses:
( 1)  The price reported in Column 4 is a weighted average price. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in each footnote to this Form 4.
( 2)  These shares were purchased in multiple transactions at prices ranging from $1.30 to $1.45, inclusive.
( 3)  These shares were purchased in multiple transactions at prices ranging from $1.37 to $1.65, inclusive.
( 4)  These shares were purchased in multiple transactions at prices ranging from $1.95 to $2.12, inclusive.
( 5)  These shares were purchased in multiple transactions at prices ranging from $2.10 to $2.39, inclusive.
( 6)  These shares were purchased in multiple transactions at prices ranging from $2.21 to $2.39, inclusive.
( 7)  These shares were purchased in multiple transactions at prices ranging from $2.38 to $2.39, inclusive.
( 8)  These shares were purchased in multiple transactions at prices ranging from $2.38 to $2.48, inclusive.
( 9)  These shares were purchased in multiple transactions at prices ranging from $2.39 to $2.50, inclusive.
( 10)  These shares were purchased in multiple transactions at prices ranging from $2.35 to $2.50, inclusive.
( 11)  These shares were purchased in multiple transactions at prices ranging from $2.34 to $2.49, inclusive.
( 12)  These shares were purchased in multiple transactions at prices ranging from $2.30 to $2.45, inclusive.
( 13)  These shares were purchased in multiple transactions at prices ranging from $2.30 to $2.40, inclusive.
( 14)  These shares were purchased in multiple transactions at prices ranging from $2.30 to $2.40, inclusive.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Deutsch Peter Eric
AER ADVISORS, INC.
DRAKE HILL COMMONS, P.O. BOX 670
NORTH HAMPTON, NH 03862
X


Signatures
/s/ Peter Deutsch 8/2/2012
** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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.
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