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 *
WANSEM PAUL J VAN DER
  2. Issuer Name and Ticker or Trading Symbol
AMTECH SYSTEMS INC [ASYS]
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)
C/O AMTECH SYSTEMS, INC.,, 131 SOUTH CLARK DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
12/13/2017
(Street)

TEMPE, AZ 85281
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 12/13/2017   M   4,113 A $ 7.15 276,739 D  
Common Stock 12/13/2017   M   8,227 A $ 6.08 284,966 D  
Common Stock 12/13/2017   M   6,000 A $ 5.75 290,966 D  
Common Stock 12/13/2017   S   11,459 D $ 9.99 (1) 279,507 D  
Common Stock 12/14/2017   G   6,583 D $ 0 (2) 272,924 D  
Common Stock               30,277 I By Wife (3)
Common Stock               22,706 I By Family Trust (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Stock Options (right to buy) $ 7.15 12/13/2017   M     4,113 01/30/2015 06/03/2020 Common Stock 4,113 $ 7.15 0 D  
Stock Options (right to buy) $ 6.08 12/13/2017   M     8,227 01/30/2015 11/05/2019 Common Stock 8,227 $ 6.08 0 D  
Stock Options (right to buy) $ 5.75 12/13/2017   M     6,000 09/18/2017(5) 03/17/2027 Common Stock 6,000 $ 5.75 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
WANSEM PAUL J VAN DER
C/O AMTECH SYSTEMS, INC.,
131 SOUTH CLARK DRIVE
TEMPE, AZ 85281
  X      

Signatures

 /s/ Robert T. Hass, on behalf of Paul J. van der Wansem by Power of Attorney   12/15/2017
**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) The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $9.99 to $10.00, inclusive. The reporting person undertakes to provide to 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 sold at each separate price within the range set forth in this footnote.
(2) Bona fide gift to charitable foundation
(3) Mr. van der Wansem disclaims beneficial ownership in shares held by his wife.
(4) Mr. van der Wansem disclaims any beneficial ownership is shares held by the 1981 Van der Wansem Family Trust.
(5) One-third of the stock option granted vest on each of the first three anniversaries of the grant date.

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