ASYS 8-K
Amtech Systems Inc (ASYS)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On April 24, 2026, the Board of Directors of Amtech Systems, Inc. (the “Company”) approved the appointment of Mr. Thomas Sabol as the Company’s Chief Financial Officer, effective May 14, 2026, reporting to the Chief Executive Officer of the Company. In this role, Mr. Sabol will also serve as the Company’s principal accounting officer and principal financial officer, effective as of the same date. Mr. Sabol will replace Mr. Mark Weaver, who was serving as Interim Chief Financial Officer until the Company hire a permanent Chief Financial Officer.
Mr. Sabol, age 67, has more than 30 years of senior financial leadership experience, including over 20 years as a chief financial officer of public and private companies, with significant experience in electronics manufacturing, electronic payments, software, and technology‑enabled businesses.
Mr. Sabol previously served as Interim Chief Financial Officer and Head of HR with Korn Ferry Executive Interim Services practice from August 2025 to May 2026. From May 2023 to May 2026, Mr. Sabol also served as a consultant to various companies, providing CFO and other support services. From October 2021 through March 2023, Mr. Sabol served as Chief Financial Officer of Corcentric Inc and from November 2019 through December 2020, Mr. Sabol served as Chief Financial Officer at Transact Campus Inc. From November 2016 through November 2019, Mr. Sabol served as Chief Financial Officer of Rimini Street, Inc., where he led the company through its initial public offering and managed SEC reporting, internal controls, and investor relations.
Earlier in his career, Mr. Sabol served at Plexus Corp., a publicly traded global electronic manufacturing services company, initially as Chief Financial Officer from 1996 through 2002 and subsequently as Chief Operating Officer and Executive Vice President from 2002 through 2003, during a period that included international expansion and multiple acquisitions.
Mr. Sabol began his career at Coopers & Lybrand, where he served as a Senior Audit Manager, including participation in several initial public offerings and service in the firm's SEC National Office. He is a Certified Public Accountant and holds a Bachelor of Arts in Accounting from Marquette University.
In connection with Mr. Sabol’s appointment, the Company entered into an offer letter with Mr. Sabol, dated April 17, 2026 (the “Offer Letter”). Under the terms of the Offer Letter, Mr. Sabol will receive an annual base salary of $350,000, and will be eligible to participate in the Company’s annual incentive bonus program with a target bonus of 50% of base salary (60% cash, 40% restricted stock). Mr. Sabol will also receive a grant of 45,000 stock options, subject to Board approval, vesting in three equal annual installments on the one year, two year and three year anniversary dates of the grant date. In the event of a Change in Control (as defined in the Offer Letter), Mr. Sabol will be entitled to cash severance equal to twelve months of base salary and 100% acceleration of unvested equity awards. Upon termination without Cause (as defined in the Offer Letter), Mr. Sabol is entitled to three months of base salary. Mr. Sabol’s Offer Letter is an at-will arrangement. The foregoing description of the Offer Letter is qualified in its entirety by reference to the full text of the letter, a copy of which is filed as Exhibit 10.1 hereto and incorporated herein by reference.
There are no arrangements or understandings between Mr. Sabol and any other person pursuant to which Mr. Sabol was appointed Chief Financial Officer. Mr. Sabol has no family relationship with any director or other executive officer of the Company, and has no direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.
Item 9.01 Financial Statements and Exhibits.
Exhibit No. |
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Description
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Offer Letter between the Company and Thomas Sabol, dated April 17, 2026 |
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104 |
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Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
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AMTECH SYSTEMS, INC. |
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April 30, 2026 |
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/s/ Robert C. Daigle |
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Name: Robert C. Daigle |

Exhibit 10.1
April 17, 2026
Tom Sabol
1432 W. Windward CT
Desert Hills, AZ 85086
Dear Tom,
Amtech Systems, Inc. is pleased to offer you the position of Chief Financial Officer, effective on May 14, 2026, reporting to Bob Daigle, Chief Executive Officer. The following is the compensation and benefits being offered to you:
You will be eligible to participate in Amtech’s annual incentive bonus program at the end of our fiscal year. The EBITDA bonus pool is established when Amtech meets profit performance criteria established by the Amtech Board of Directors (the “Board’), and earned dependent upon Amtech’s level of achievement and your individual performance. Your target bonus will be 50% of base salary (60% cash, 40% restricted stock). In addition, you will receive a grant of 45,000 Stock Options (ISOs & NQs), subject to Board approval and in accordance with Amtech’s 2022 Equity Incentive Plan, as amended, and related option documents. The stock option grant will vest in three equal increments on the 1 year, 2 year and 3-year anniversary dates of the grant date. Additional stock compensation is typically awarded on an annual basis in the first half of the new fiscal year.
In this position, your responsibilities will include, but are not limited to:

This offer is contingent upon successful completion of all hiring process requirements, which include professional references, satisfactory documents concerning employment eligibility and successful completion of a drug screening and a background investigation.
Amtech is an at-will employer, and as such, all offers of employment are at-will. Nothing in this letter creates or implies a contract of employment. The initial terms of your employment with Amtech Systems, Inc. are solely those expressed in writing in the letter. No previous promises, representations, or understandings related to your offer of employment shall apply. Employer contributions for employee benefits are discretionary and subject to change.
In the event of a Change in Control (“CIC”) of the Company (as defined in the Amtech Systems, Inc. 2022 Equity Incentive Plan, as amended), you will be entitled to the following benefits, subject to your execution of (and continued compliance with) Amtech Systems Proprietary Information and Innovations Non-Compete Agreement, as well as reasonable support transition to the new CFO:
Termination Without Cause: In the event that your employment is terminated without Cause (as defined in this Agreement), and subject to your execution and non-revocation of a separation and release agreement in a form acceptable to the Company, you will be entitled to the following benefits:
For purposes of this Agreement, the term “Cause” shall mean any one or more of the following: (A) your material breach of this Agreement (continuing for thirty (30) days after receipt of written notice of need to cure, if, in the Company’s determination, such breach is curable); (B) the intentional nonperformance of lawful instructions of the Board (continuing for thirty (30) days after receipt of written notice of need to cure, if, in the Company’s determination, such breach is curable) of any of your material duties and responsibilities; (C) your willful dishonesty, fraud, or misconduct with respect to the business or affairs of the Company; (D) your conviction of, or guilty or nolo contendre plea to a felony crime involving dishonesty or moral turpitude whether or not relating to the Company (not including traffic offenses unless such traffic offense resulted in death); (E) a confirmed positive drug test result for an illegal

drug while performing services for the Company; or (F) a material sanction is imposed on you by any applicable professional organization or professional governing body.
Amtech is a company with excellent opportunities for accelerated growth and performance improvement. We extend this offer because we sincerely want you to be a part of our team and are convinced you have much to contribute to our efforts to revitalize the company and create meaningful value.
This offer is valid until April 23, 2026. Please complete and return a signed copy of this offer letter to me, Angi Larson. By signing below, you verify that there are no restrictions, contractual or otherwise, that might prohibit your employment with Amtech Systems.
We look forward to working with you.
Sincerely,
Angi Larson
Angi Larson
Chief Human Resources Officer
I, Tom Sabol, accept this offer and the terms of employment as outlined in this offer letter with an intended start date of Thursday, May 14, 2026.
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