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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
720500	Amtech Systems Inc	ASYS	Special Industry Machinery, Nec (3559)	860411215

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1223907	Der Van J Paul Wansem	C/O Amtech Systems, Inc., 131 South Clark Drive Tempe AZ 85281		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2017-11-22	2,157	$12.98	330,199	No	4	S	Direct
Common Stock	Disposition	2017-11-24	50,662	$13.04	279,537	No	4	S	Direct
Common Stock	Disposition	2017-11-22	807	$12.98	37,039	No	4	S	Indirect	By Wife
Common Stock	Disposition	2017-11-24	6,762	$13.05	30,277	No	4	S	Indirect	By Wife
Common Stock	Disposition	2017-11-22	980	$12.98	25,676	No	4	S	Indirect	By Family Trust
Common Stock	Disposition	2017-11-24	2,970	$12.97	22,706	No	4	S	Indirect	By Family Trust
Common Stock	Disposition	2017-11-22	5,692	$13.05	14,137	No	4	S	Indirect	By Charitable Foundation

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct
No	4	S	Indirect	By Wife
No	4	S	Indirect	By Wife
No	4	S	Indirect	By Family Trust
No	4	S	Indirect	By Family Trust
No	4	S	Indirect	By Charitable Foundation

Footnotes

The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $12.99 to $13.09, 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.
Mr. van der Wansem disclaims beneficial ownership in shares held by his wife.
Mr. van der Wansem disclaims any beneficial ownership in shares held by the 1981 Van der Wansem Family Trust.
The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $13.00 to $13.09, 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.
Mr. van der Wansem disclaims any beneficial ownership in shares held by the Charitable Foundation.