Robert Averick - 02 Sep 2025 Form 4 Insider Report for AMTECH SYSTEMS INC (ASYS)

Role: Director, 10%+ Owner
Signature: /s/ Robert Averick
Issuer symbol: ASYS
Transactions as of: 02 Sep 2025
Net transactions value: +$124,920
Form type: 4
Filing time: 03 Sep 2025, 16:01:14 UTC
Previous filing: 16 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Averick Robert M	Director, 10%+ Owner	C/O KOKINO LLC, 201 TRESSER BOULEVARD, 3RD FLOOR, STAMFORD	/s/ Robert Averick	03 Sep 2025	0001343599

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ASYS	Common Stock	Options Exercise	$32,400	+6,000	+0.89%	$5.40	681,260	02 Sep 2025	Direct
transaction	ASYS	Common Stock	Options Exercise	$34,500	+6,000	+0.88%	$5.75	687,260	02 Sep 2025	Direct
transaction	ASYS	Common Stock	Options Exercise	$28,620	+6,000	+0.87%	$4.77	693,260	02 Sep 2025	Direct
transaction	ASYS	Common Stock	Options Exercise	$29,400	+6,000	+0.87%	$4.90	699,260	02 Sep 2025	Direct
holding	ASYS	Common Stock						2,250,000	02 Sep 2025	See footnote 2 below	F1, F2
holding	ASYS	Common Stock						500	02 Sep 2025	See footnote 3 below	F3
holding	ASYS	Common Stock						11,000	02 Sep 2025	See footnote 4 below	F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ASYS	Director Stock Option (Right to Buy)	Options Exercise	$0	-6,000	-14%	$0.000000	36,000	02 Sep 2025	Common Stock	6,000	$5.40	Direct
transaction	ASYS	Director Stock Option (Right to Buy)	Options Exercise	$0	-6,000	-17%	$0.000000	30,000	02 Sep 2025	Common Stock	6,000	$5.75	Direct
transaction	ASYS	Director Stock Option (Right to Buy)	Options Exercise	$0	-6,000	-20%	$0.000000	24,000	02 Sep 2025	Common Stock	6,000	$4.77	Direct
transaction	ASYS	Director Stock Option (Right to Buy)	Options Exercise	$0	-6,000	-25%	$0.000000	18,000	02 Sep 2025	Common Stock	6,000	$4.90	Direct	F6
holding	ASYS	Restricted Stock Units						8,081	02 Sep 2025	Common Stock	8,081		Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Pursuant to a Schedule 13D filed on January 25, 2016, as amended (as further amended from time to time, the "Schedule 13D"), (i) Piton Capital Partners LLC ("Piton"), Cornice Fiduciary Management LLC (as trustee of the Trust (as defined in the Schedule 13D)) and M3C Holdings LLC (collectively, the "Kokino Family Clients"), (ii) Mr. Averick, and (iii) OIH LLC also report beneficial ownership of shares of the Issuer's $.01 par value common stock ("Common Shares").
F2	Indicates 2,250,000 Common Shares beneficially owned by the Kokino Family Clients. Mr. Averick is a Portfolio Manager at Kokino LLC ("Kokino"). Mr. Averick manages the Kokino Family Clients' investment in the Issuer as a Portfolio Manager of Kokino. Mr. Averick holds an indirect interest in certain Common Shares through his minority ownership of Piton, which is a Kokino Family Client (which ownership may be held through Piton's managing member, Piton Capital Management LLC ("PCM")). Also, Mr. Averick's incentive compensation/allocation as an employee of Kokino and member of Piton, which are generally calculated in Kokino's discretion subject to Piton's and PCM's governing documents, may be based on the performance of Common Shares held by Kokino Family Clients. Such compensation/allocation may be paid or made in cash and/or by way of increasing Mr. Averick's interest in Piton (either directly or indirectly through PCM). Kokino is PCM's managing member.
F3	Indicates Common Shares held in a custodial account for the benefit of an immediate family member of Mr. Averick.
F4	Indicates Common Shares held by Mr. Averick's spouse.
F5	This is the total of all restricted stock units held by Mr. Averick as of the filing date of this Form 4.
F6	This is the total of all director stock options (right to buy), including those with different terms and conditions, held by Mr. Averick as of the filing date of this Form 4 (and after giving effect to the reported transactions).