Harbert Discovery Fund SC 13D/A AMTECH SYSTEMS / Harbert Discovery Fund ownership change

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 13D

THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)*

Amtech Systems, Inc.

(Name of Issuer)

Common Stock, $0.01 par value

(Title of Class of Securities)

032332504

(CUSIP Number)

Kevin A. McGovern, Esq.

c/o Harbert Discovery Fund, LP

2100 Third Avenue North

Suite 600

Birmingham, AL 35203

Telephone Number 205-987-5500

(Name, Address and Telephone Number of Person Authorized to Receive

Notices and Communications)

February 16, 2021

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of ss.240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box [_].

* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

CUSIP No. 032332504

1.	NAME OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Harbert Discovery Fund, LP

2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a)	[_]
		(b)	[_]

3. SEC USE ONLY

4.	SOURCE OF FUNDS
	WC

5.	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
		[_]

6.	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.	SOLE VOTING POWER
	0

8.	SHARED VOTING POWER
	503,737

9.	SOLE DISPOSITIVE POWER
	0

10.	SHARED DISPOSITIVE POWER
	503,737

11.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	503,737

12.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
		[_]

13.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	3.6%

14.	TYPE OF REPORTING PERSON
	PN

CUSIP No. 032332504

1.	NAME OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Harbert Discovery Fund GP, LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a)	[_]
		(b)	[_]

3. SEC USE ONLY

4.	SOURCE OF FUNDS
	AF

5.	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
		[_]

6.	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.	SOLE VOTING POWER
	0

8.	SHARED VOTING POWER
	503,737

9.	SOLE DISPOSITIVE POWER
	0

10.	SHARED DISPOSITIVE POWER
	503,737

11.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	503,737

12.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
		[_]

13.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	3.6%

14.	TYPE OF REPORTING PERSON
	OO

CUSIP No. 032332504

1.	NAME OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Harbert Fund Advisors, Inc.

2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a)	[_]
		(b)	[_]

3. SEC USE ONLY

4.	SOURCE OF FUNDS
	AF

5.	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
		[_]

6.	CITIZENSHIP OR PLACE OF ORGANIZATION
	Alabama

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.	SOLE VOTING POWER
	0

8.	SHARED VOTING POWER
	503,737

9.	SOLE DISPOSITIVE POWER
	0

10.	SHARED DISPOSITIVE POWER
	503,737

11.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	503,737

12.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
		[_]

13.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	3.6%

14.	TYPE OF REPORTING PERSON
	IA, CO

CUSIP No. 032332504

1.	NAME OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Harbert Management Corporation

2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a)	[_]
		(b)	[_]

3. SEC USE ONLY

4.	SOURCE OF FUNDS
	AF

5.	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
		[_]

6.	CITIZENSHIP OR PLACE OF ORGANIZATION
	Alabama

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.	SOLE VOTING POWER
	0

8.	SHARED VOTING POWER
	503,737

9.	SOLE DISPOSITIVE POWER
	0

10.	SHARED DISPOSITIVE POWER
	503,737

11.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	503,737

12.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
		[_]

13.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	3.6%

14.	TYPE OF REPORTING PERSON
	CO

CUSIP No. 032332504

1.	NAME OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Jack Bryant

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a)	[_]
		(b)	[_]

3. SEC USE ONLY

4.	SOURCE OF FUNDS
	AF

5.	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
		[_]

6.	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.	SOLE VOTING POWER
	0

8.	SHARED VOTING POWER
	503,737

9.	SOLE DISPOSITIVE POWER
	0

10.	SHARED DISPOSITIVE POWER
	503,737

11.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	503,737

12.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
		[_]

13.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	3.6%

14.	TYPE OF REPORTING PERSON
	IN

CUSIP No. 032332504

1.	NAME OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Kenan Lucas

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a)	[_]
		(b)	[_]

3. SEC USE ONLY

4.	SOURCE OF FUNDS
	AF

5.	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
		[_]

6.	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.	SOLE VOTING POWER
	0

8.	SHARED VOTING POWER
	503,737

9.	SOLE DISPOSITIVE POWER
	0

10.	SHARED DISPOSITIVE POWER
	503,737

11.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	503,737

12.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
		[_]

13.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	3.6%

14.	TYPE OF REPORTING PERSON
	IN

CUSIP No. 032332504

1.	NAME OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Raymond Harbert

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP	(a)	[_]
		(b)	[_]

3. SEC USE ONLY

4.	SOURCE OF FUNDS
	AF

5.	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
		[_]

6.	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.	SOLE VOTING POWER
	0

8.	SHARED VOTING POWER
	503,737

9.	SOLE DISPOSITIVE POWER
	0

10.	SHARED DISPOSITIVE POWER
	503,737

11.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	503,737

12.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
		[_]

13.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	3.6%

14.	TYPE OF REPORTING PERSON
	IN

CUSIP No. 032332504

Item 1. Security and Issuer.

The name of the issuer is Amtech Systems, Inc., an Arizona corporation (the "Issuer").  The address of the Issuer's principal executive offices is 131 South Clark Drive, Tempe, Arizona, United States of America.  This Schedule 13D relates to the Issuer's common stock, $0.01 par value (the "Shares").

Item 2. Identity and Background.

(a), (f)	This Schedule 13D is being filed jointly by (i) Harbert Discovery Fund, LP, a Delaware limited partnership (the “Fund”), (ii) Harbert Discovery Fund GP, LLC, a Delaware limited liability company (the “Fund GP”), (iii) Harbert Fund Advisors, Inc., an Alabama corporation (“HFA”), (iv) Harbert Management Corporation, an Alabama corporation (“HMC”), (v) Jack Bryant, a United States citizen, (vi) Kenan Lucas, a United States citizen, and (vii) Raymond Harbert, a United States citizen (collectively, the "Reporting Persons").
(b)	The principal business address for each of the Reporting Persons is 2100 Third Avenue North, Suite 600, Birmingham, Alabama 35203.
(c)	Kenan Lucas is the Managing Director and Portfolio Manager of the Fund GP, which serves as the general partner of the Fund.  Jack Bryant is a Senior Advisor to the Fund, and a Vice President and Senior Managing Director of HMC. Raymond Harbert is the controlling shareholder, Chairman and Chief Executive Officer of HMC, an alternative asset investment management firm that is the managing member of the Fund GP. Mr. Harbert also serves as the Chairman, Chief Executive Officer and Director of HFA, an indirect, wholly owned subsidiary of HMC, which provides the Fund with certain operational and administrative services. The principal business of the Fund is purchasing, holding and selling securities for investment purposes..
(d)	None of the Reporting Persons have, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	None of the Reporting Persons have, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding were or are subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, Federal or state securities laws or finding any violation with respect to such laws.

Item 3.

Source and Amount of Funds or Other Consideration.

The funds for the purchase of the Shares by the Fund came from the working capital of the Fund, over which HFA, HMC, the Fund GP, Jack Bryant, Kenan Lucas and Raymond Harbert, through their roles described above in Item 2(c), exercise investment discretion.  No borrowed funds were used to purchase the Shares, other than borrowed funds used for working capital purposes in the ordinary course of business.  The total costs of the Shares directly owned by Harbert Discovery Fund, LP is approximately $1,360,266.

Item 4.	Purpose of Transaction.
	There has been no change to the purpose described in Item 4 of the initial Schedule 13D, dated December 11, 2019.

Item 5.	Interest in Securities of the Issuer.
	(a) - (e)	As of the date hereof, (i) HFA, HMC, and Raymond Harbert may be deemed to be the beneficial owners of 503,737 Shares, constituting 3.6% of the Shares, and the Fund GP, the Fund, Jack Bryant, and Kenan Lucas may be deemed to be the beneficial owners of 503,737 Shares, constituting 3.6% of the Shares based upon *14,141,122 Shares outstanding as of the date hereof. HFA has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 503,737 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 503,737 Shares. HMC has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 503,737 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 503,737 Shares. The Fund GP has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 503,737 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 503,737 Shares. The Fund has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 503,737 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 503,737 Shares. Jack Bryant has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 503,737 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 503,737 Shares. Kenan Lucas has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 503,737 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 503,737 Shares. Each Reporting Person ceased to be a beneficial owner of 5% of the Shares as of February 12, 2021.  Accordingly, this is the final Schedule 13D for the Reporting Persons.

Raymond Harbert has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 503,737 Shares; has the sole power to dispose or direct the disposition of 0 Shares; and has the shared power to dispose or direct the disposition of 503,737 Shares.

	The trading dates, number of Shares purchased or sold, and the price per share for all transactions by the Reporting Persons in the Shares within the last 60 days, are set forth below:
	Date	Price Per Share	Number of Shares Sold
	2/12/2021	$9.95	50,000.00
	2/12/2021	$10.00	50,000.00
	2/12/2021	$10.32	50,000.00
	2/12/2021	$10.49	50,000.00
	2/12/2021	$10.77	25,000.00
	2/16/2021	$11.28	50,000.00
	2/16/2021	$11.26	4,710.00
	2/17/2021	$10.83	25,000.00
	2/18/2021	$10.58	25,000.00
	2/18/2021	$10.51	6,904.00
	*This outstanding Shares figure reflects the number of outstanding Shares at February 5, 2021, as reported in the Issuer’s Form 10-Q Quarterly Report, which was filed on February 11, 2021.
Item 6.	Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.
	There are no contracts, arrangements, understandings or relationships among the Reporting Persons, or between the Reporting Persons and any other person, with respect to the securities of the Issuer.
Item 7.	Material to be Filed as Exhibits.
	Exhibit A:  Joint Filing Agreement

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

February 18, 2021
(Date)
Harbert Discovery Fund, LP
By:	Harbert Discovery Fund GP, LLC,
	its General Partner
By:	Harbert Management Corporation,
	its Managing Member
By:	/s/ John McCullough
	Executive Vice President and General Counsel
Harbert Discovery Fund GP, LLC*
By:	Harbert Management Corporation,
	its Managing Member
By:	/s/ John McCullough
	Executive Vice President and General Counsel
Harbert Fund Advisors, Inc.*
By:	/s/ John McCullough
	Executive Vice President and
	General Counsel
Harbert Management Corporation*
By:	/s/ John McCullough
	Executive Vice President and General Counsel
	/s/ Jack Bryant*
	Jack Bryant
	/s/ Kenan Lucas*
	Kenan Lucas
	/s/ Raymond Harbert*
	Raymond Harbert

* This reporting person disclaims beneficial ownership of these reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that any such person is the beneficial owner of these securities for purposes of Section 16 of the U.S. Securities Exchange Act of 1934, as amended, or for any other purpose.

Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (see 18 U.S.C. 1001).

Exhibit A

AGREEMENT

The undersigned agree that this amendment number one to Schedule 13D, dated February 18, 2021, relating to the Common Stock, $0.01 par value of Amtech Systems, Inc. shall be filed on behalf of the undersigned.

February 18, 2021
(Date)
Harbert Discovery Fund, LP
By:	Harbert Discovery Fund GP, LLC,
	its General Partner
By:	Harbert Management Corporation,
	its Managing Member
By:	/s/ John McCullough
	Executive Vice President and
	General Counsel
Harbert Discovery Fund GP, LLC
By:	Harbert Management Corporation,
	its Managing Member
By:	/s/ John McCullough
	Executive Vice President and
	General Counsel
Harbert Fund Advisors, Inc.
By:	/s/ John McCullough
	Executive Vice President and
	General Counsel
Harbert Management Corporation
By:	/s/ John McCullough
	Executive Vice President and
	General Counsel
	/s/ Jack Bryant
	Jack Bryant
	/s/ Kenan Lucas
	Kenan Lucas
	/s/ Raymond Harbert
	Raymond Harbert