SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* WANSEM PAUL J VAN DER (Last) (First) (Middle) C/O AMTECH SYSTEMS, INC., 131 SOUTH CLARK DRIVE (Street) TEMPE AZ 85281 (City) (State) (Zip)	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 X Officer (give title below) Other (specify below) See Remarks
	3. Date of Earliest Transaction (Month/Day/Year) 01/30/2015
	4. If Amendment, Date of 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

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	01/30/2015		A		337,295	A	(1)	337,295	D
Common Stock	01/30/2015		A		120,122	A	(2)	120,122	I	By Family LTP(3)
Common Stock	01/30/2015		A		37,847	A	(4)	37,847	I	By Wife(5)
Common Stock	01/30/2015		A		29,733	A	(6)	29,733	I	By Family Trust(7)

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 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: 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)	$30.54	01/30/2015		A		21,720		01/30/2015	05/16/2015	Common Stock	21,720	(8)	21,720	D
Stock Options (right to buy)	$15.23	01/30/2015		A		10,860		01/30/2015	10/31/2015	Common Stock	10,860	(9)	10,860	D
Stock Options (right to buy)	$12.34	01/30/2015		A		10,860		01/30/2015	05/15/2016	Common Stock	10,860	(10)	10,860	D
Stock Options (right to buy)	$17.6	01/30/2015		A		16,455		01/30/2015	10/26/2016	Common Stock	16,455	(11)	16,455	D
Stock Options (right to buy)	$16.35	01/30/2015		A		11,518		01/30/2015	05/21/2017	Common Stock	11,518	(12)	11,518	D
Stock Options (right to buy)	$21.24	01/30/2015		A		11,518		01/30/2015	11/01/2017	Common Stock	11,518	(13)	11,518	D
Stock Options (right to buy)	$27.47	01/30/2015		A		6,911		01/30/2015	05/20/2018	Common Stock	6,911	(14)	6,911	D
Stock Options (right to buy)	$10.82	01/30/2015		A		6,911		01/30/2015	11/03/2018	Common Stock	6,911	(15)	6,911	D
Stock Options (right to buy)	$9.21	01/30/2015		A		8,227		01/30/2015	06/04/2019	Common Stock	8,227	(16)	8,277	D
Stock Options (right to buy)	$6.08	01/30/2015		A		8,227		01/30/2015	11/05/2019	Common Stock	8,227	(17)	8,277	D
Stock Options (right to buy)	$7.14	01/30/2015		A		4,113		01/30/2015	06/03/2020	Common Stock	4,113	(18)	4,113	D
Stock Options (right to buy)	$9.94	01/30/2015		A		5,923		01/30/2015	11/04/2020	Common Stock	5,923	(19)	5,923	D
Stock Options (right to buy)	$8.2	01/31/2015		A		30,000		(20)	01/31/2025	Common Stock	30,000	$0.00	30,000	D

Explanation of Responses:

1. Received in exchange for 1,024,900 shares of BTU International, Inc. ("BTU") common stock in connection with merger (the "Merger") of BTU Merger Sub, Inc. with and into BTU, with BTU surviving as the wholly owned subsidiary of Amtech Systems, Inc. ("Amtech"). On the effective date of the Merger, the closing price of BTU's common stock was $2.62 per share, and the closing price of Amtech's common stock was $8.20 per share.

2. Received in exchange for 365,000 shares of BTU common stock in connection with the Merger. On the effective date of the Merger, the closing price of BTU's common stock was $2.62 per share, and the closing price of Amtech's common stock was $8.20 per share.

3. Mr. van der Wansem disclaims beneficial ownership of the shares held by the Partnership except to the extent of his pecuniary interest.

4. Received in exchange for 115,000 shares of BTU common stock in connection with the Merger. On the effective date of the Merger, the closing price of BTU's common stock was $2.62 per share, and the closing price of Amtech's common stock was $8.20 per share.

5. Mr. van der Wansem disclaims beneficial ownership in shares held by his wife.

6. Received in exchange for 90,344 shares of BTU common stock in connection with the Merger. On the effective date of the Merger, the closing price of BTU's common stock was $2.62 per share, and the closing price of Amtech's common stock was $8.20 per share.

7. Mr. van der Wansem disclaims any beneficial ownership is shares held by the 1981 Van der Wansem Family Trust.

8. Received in the Merger in exchange for a stock option to acquire 66,000 shares of BTU common stock for $10.05 per share.

9. Received in the Merger in exchange for a stock option to acquire 33,000 shares of BTU common stock for $5.01 per share.

10. Received in the Merger in exchange for a stock option to acquire 33,000 shares of BTU common stock for $4.06 per share.

11. Received in the Merger in exchange for a stock option to acquire 50,000 shares of BTU common stock for $5.79 per share.

12. Received in the Merger in exchange for a stock option to acquire 35,000 shares of BTU common stock for $5.38 per share.

13. Received in the Merger in exchange for a stock option to acquire 35,000 shares of BTU common stock for $6.99 per share.

14. Received in the Merger in exchange for a stock option to acquire 21,000 shares of BTU common stock for $9.04 per share.

15. Received in the Merger in exchange for a stock option to acquire 21,000 shares of BTU common stock for $3.56 per share.

16. Received in the Merger in exchange for a stock option to acquire 25,000 shares of BTU common stock for $3.03 per share.

17. Received in the Merger in exchange for a stock option to acquire 25,000 shares of BTU common stock for $2.00 per share.

18. Received in the Merger in exchange for a stock option to acquire 12,500 shares of BTU common stock for $2.35 per share.

19. Received in the Merger in exchange for a stock option to acquire 18,000 shares of BTU common stock for $3.27 per share.

20. The options vests in three equal annual installments on each of the first three anniversaries of the grant date, beginning on January 31, 2016.

Remarks:

Member of Management Executive Committee

	/s/ Robert T. Hass, attorney in fact	02/02/2015
	** Signature of Reporting Person	Date
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