[Form 4] Amtech Systems Inc Insider Trading Activity

Rhea-AI Filing Summary

Robert C. Daigle, Chairman & CEO and a director of Amtech Systems, Inc. (ASYS), was granted an employee stock option for 100,000 shares. The option has an exercise price of $5.09, is dated 08/08/2025, becomes exercisable on 08/08/2026 and expires on 08/08/2030, and it covers 100,000 underlying shares of Amtech common stock held directly.

The Form 4 reports this option grant as an acquisition (A) of a derivative security; the filing notes the price field is omitted because this is a grant. No other transactions or changes in ownership are reported on this form.

Positive

• Long-term alignment: Grant vests by 08/08/2026 and expires 08/08/2030, aligning CEO incentives with multi-year performance
• Transparency: Transaction and material terms (exercise price, exercisable date, expiration, and quantity) are disclosed on Form 4

Negative

• Potential dilution: Full exercise would add 100,000 common shares, increasing outstanding share count
• Missing vesting detail: The filing does not specify vesting schedule or performance conditions, limiting assessment of incentive design

Insights

Corporate Governance Expert

TL;DR: A CEO option grant of 100,000 shares is a routine executive compensation action with governance and dilution implications investors should note.

The grant to the CEO aligns compensation with long-term equity performance given a multi-year vest/exercise window. It creates potential future dilution of 100,000 shares if fully exercised, and the $5.09 exercise price establishes the financial hurdle for value capture. This filing does not disclose vesting schedule details beyond the exercisable start and expiration dates, so the immediate governance impact is limited to observable dilution and incentive alignment.

Compensation Analyst

TL;DR: The option grant is a standard long-term incentive; materiality depends on company share count and existing equity program size, not disclosed here.

From a pay-design perspective, a 100,000-share option at $5.09 suggests a significant award for the CEO but the form lacks information on vesting criteria, performance conditions, or whether this is part of an annual grant program. Without total outstanding shares or prior grants disclosed here, we cannot quantify dilution percentage or relative grant size.

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DAIGLE ROBERT C

(Last) (First) (Middle)

C/O AMTECH SYSTEMS, INC.

58 S. RIVER DRIVE, SUITE 370

(Street)

TEMPE AZ 85288

(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)
	Chairman & CEO

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

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

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
Amtech Systems, Inc. Employee Stock Option	$5.09	08/08/2025		A		100,000		08/08/2026	08/08/2030	Amtech Systems, Inc. $0.01 par value common stock	100,000	(1)	100,000	D

Explanation of Responses:

1. Price omitted because the transaction is a grant of a stock option.

	/s/ Robert C. Daigle, Chief Executive Officer	08/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What change in ownership did Robert C. Daigle report on Form 4 for ASYS?

He reported an acquisition by grant of an employee stock option for 100,000 underlying shares of Amtech common stock.

What are the exercise price and exercisable dates for the ASYS option grant?

The option has an exercise price of $5.09, is dated 08/08/2025, becomes exercisable on 08/08/2026, and expires on 08/08/2030.

Does the Form 4 disclose whether the option grant has performance conditions?

No. The filing discloses exercise price, dates, and quantity but does not state any vesting schedule or performance conditions.

How many shares would be added if the options are fully exercised?

Full exercise of the grant would result in 100,000 additional common shares being issued.

What roles does Robert C. Daigle hold at Amtech Systems (ASYS)?

The Form indicates he is both Chairman & CEO and a Director of Amtech Systems, Inc.