Amtech CFO buys 2,000 shares at $14.135

Amtech Systems’ chief financial officer acquired 2,000 ASYS shares in an open-market or private purchase.

Rhea-AI Filing Summary

AMTECH SYSTEMS INC (ASYS) reported that Chief Financial Officer Thomas B. Sabol purchased 2,000 shares of common stock on September 14, 2026 at a price of $14.135 per share. Following this open-market or private transaction, he directly owns 2,000 common shares of AMTECH.

Insider Trade Summary

Net Buyer: 2,000 shares

Net Buy 1 txn

Insider SABOL THOMAS B

Role Chief Financial Officer

Bought 2,000 shs ($28K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	2,000	$14.135	$28K

Holdings After Transaction: Common Stock — 2,000 shares (Direct)

Key Figures

Shares purchased: 2,000 shares Purchase price per share: $14.135 per share Shares owned after transaction: 2,000 shares

3 metrics

Shares purchased 2,000 shares Common stock purchased by the CFO on September 14, 2026

Purchase price per share $14.135 per share Price paid for each ASYS common share in the reported transaction

Shares owned after transaction 2,000 shares CFO’s direct holdings of AMTECH common stock following the purchase

Key Terms

open market or private transaction, direct ownership, Rule 10b5-1 trading plan

3 terms

open market or private transaction financial

"Purchase in open market or private transaction"

direct ownership financial

"the filing states the post-transaction ownership is direct"

Rule 10b5-1 trading plan regulatory

"the Rule 10b5-1 checkbox is not affirmed for this transaction"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ASYS report for its CFO Thomas B. Sabol?

AMTECH SYSTEMS INC reported that Chief Financial Officer Thomas B. Sabol purchased 2,000 shares of common stock on September 14, 2026 in an open-market or private transaction at $14.135 per share.

How many ASYS shares does the CFO own after this reported transaction?

After the reported transaction, Chief Financial Officer Thomas B. Sabol directly owns 2,000 shares of AMTECH SYSTEMS INC common stock, as stated in the filing.

At what price did the ASYS CFO buy shares in the latest Form 4 filing?

Chief Financial Officer Thomas B. Sabol bought AMTECH SYSTEMS INC (ASYS) common stock at $14.135 per share for the 2,000 shares reported on September 14, 2026.

Was the ASYS CFO’s share purchase made under a Rule 10b5-1 trading plan?

No. The Form 4 for AMTECH SYSTEMS INC indicates the Rule 10b5-1 checkbox is not affirmed, so the reported purchase by the Chief Financial Officer is not under a Rule 10b5-1 trading plan according to this filing.

Is the ASYS CFO’s ownership in the company direct or indirect after this transaction?

The Form 4 states that Chief Financial Officer Thomas B. Sabol’s post-transaction ownership of 2,000 shares of AMTECH SYSTEMS INC common stock is held as direct ownership.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/16/2026 - 12:19 PM Accepted by SEC EDGAR 09/16/2026 - 12:19 PM Learn about SEC filing dates

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^*

SABOL THOMAS B

(Last) (First) (Middle)

C/O AMTECH SYSTEMS, INC.

58 S. RIVER DRIVE, SUITE 370

(Street)

TEMPE ARIZONA 85288

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AMTECH SYSTEMS INC [ ASYS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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
Common Stock	09/14/2026		P		2,000	A	$14.135	2,000	D

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

Explanation of Responses:

	/s/ Thomas B Sabol	09/16/2026
	** 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.
* Form 4: SEC 1474 (03-26)