Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
LARKIN BRIAN
  2. Issuer Name and Ticker or Trading Symbol
DYNATRONICS CORP [DYNT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
526 E. EVERGREEN AVE.
3. Date of Earliest Transaction (Month/Day/Year)
10/05/2016
(Street)

WYNDMOOR, PA 19038
4. If Amendment, Date 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
(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 10/05/2016   P   885 A (1) 9,687 D  
Common Stock 01/03/2017   P   939 A (1) 10,626 D  
Restricted Common Stock (2) 01/15/2017   P   2,944 A (3) 2,944 D  
Common Stock 01/15/2017   P   2,945 A (3) 13,571 D  
Common Stock 04/04/2017   P   782 A (1) 17,297 D  

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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 V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series A Preferred Stock $ 2.5 06/30/2015   P   40,000   06/30/2015   (4) Common Stock 40,000 $ 2.5 40,000 D  
A-Warrants $ 2.75 06/15/2015   P   30,000   06/30/2015 06/30/2021 Common Stock 30,000 $ 2.75 30,000 D  
B-Warrants $ 2.75 06/15/2015   P   30,000     (5)   (5) Common Stock 30,000 $ 2.75 30,000 D  
Series B Preferred Stock $ 2.5 12/28/2016   P   8,000   12/28/2016   (6) Common Stock 8,000 $ 2.5 8,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LARKIN BRIAN
526 E. EVERGREEN AVE.
WYNDMOOR, PA 19038
  X      

Signatures

 Brian M. Larkin   04/26/2017
**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) Payment of quarterly dividends on 8% Series A Preferred Stock in shares of common stock valued at 90% of 10-day average closing bid price.
(2) Shares subject to forfeiture if service as a director terminates before July 15, 2017.
(3) Shares issued as compensation for services as a director of the Issuer, valued at $2.55 per share.
(4) The Series A Convertible Preferred Stock has no expiration date.
(5) The B-Warrants are exercisable any time after the date that the holder has purchased all of the shares of Common Stock underlying the A-Warrants issued to the holder and on or prior to the close of business on the six-year anniversary of such date.
(6) The Series B Convertible Preferred Stock has no expiration date.

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