Quick Takeaways
- ASYS - AMTECH SYSTEMS INC has 10 insiders with reported activity on this page.
- Net insider value flow over the last year: +$263,129.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 10 Insiders of AMTECH SYSTEMS INC
- Symbol
- ASYS on Nasdaq
- Location
- Tempe, AZ
What Changed
- Buy value: $263,129; sell value: $0.
- Net share flow: +75,502.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$263,129.
Buys
$263,129
Shares: 75,502
Insiders: 2
Sells
$0
Shares: 0
Insiders: 0
Net
+$263,129
Shares: +75,502
Insiders: 2
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 75,502 | 0 | $263,129 | $0 | +$263,129 |
AMTECH SYSTEMS INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Robert M. Averick | Director, 10%+ Owner | $13,309,060 | +$235,776 | +1.8% | Mixed | 04 Mar 2026 |
| Jong S. Whang | Director | $903,303 | Mixed | 23 Aug 2022 | ||
| Michael Garnreiter | Director | $744,234 | Mixed | 04 Mar 2026 | ||
| Michael M. Ludwig | Director | $643,694 | Mixed | 04 Mar 2026 | ||
| Robert C. Daigle | Chairman & CEO, Director | $545,977 | +$27,353 | +5.3% | Filing P/S | 08 Aug 2025 |
| Michael Whang | Chief Executive Officer, Director | $190,886 | Mixed | 01 Dec 2022 | ||
| Asif Y. Jakwani | Director | $186,913 | Mixed | 04 Mar 2026 | ||
| Lisa D. Gibbs | VP and Chief Financial Officer, Director | $180,000 | Mixed | 15 Mar 2024 | ||
| Wade Michael Jenke | Chief Financial Officer | $180,000 | Mixed | 19 Mar 2025 | ||
| Sukesh Mohan Power | Director | $42,060 | Mixed | 02 Mar 2022 |
Top shareholders of AMTECH SYSTEMS INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Wax Asset Management, LLC |
13D/G
|
— |
9.2%
|
1,319,773
|
$17,091,060 | -$12,194,665 | 31 Dec 2025 | |
| Robert M. Averick |
3/4/5
|
Director, 10%+ Owner |
—
mixed-class rows
|
739,180
mixed-class rows
|
$13,309,060 | +$235,776 | 04 Mar 2026 | |
| PITON CAPITAL PARTNERS LLC |
13D/G
|
Robert Averick |
20%
|
2,894,588
|
$10,275,787 | $0 | 13 Feb 2025 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
5.1%
|
734,346
|
$9,216,042 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
|
Company |
4.7%
from 13D/G
|
672,107
|
$8,435,131 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.4%
|
631,905
|
$7,930,408 | — | 31 Dec 2025 | |
| Pacific Ridge Capital Partners, LLC |
13F
13D/G
|
Company |
4.6%
from 13D/G
|
627,811
|
$7,879,028 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
2.5%
|
352,624
|
$4,425,432 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
2.4%
|
347,033
|
$4,355,264 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
2.3%
|
325,754
|
$4,088,212 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
1.6%
|
236,008
|
$2,958,000 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13D/G
|
— |
4.1%
|
587,986
|
$2,087,350 | -$3,164,165 | 31 Mar 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1%
|
146,596
|
$1,839,780 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.94%
|
134,477
|
$1,687,686 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.93%
|
133,001
|
$1,669,844 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.87%
|
124,843
|
$1,566,779 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.78%
|
111,437
|
$1,398,534 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.67%
|
96,318
|
$1,208,791 | — | 31 Dec 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.62%
|
89,365
|
$1,121,531 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.56%
|
80,630
|
$1,011,907 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.55%
|
78,693
|
$987,597 | — | 31 Dec 2025 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.52%
|
74,305
|
$932,528 | — | 31 Dec 2025 | |
| Jong S. Whang |
3/4/5
|
Director |
—
class O/S missing
|
70,681
|
$903,303 | — | 23 Aug 2022 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.49%
|
69,997
|
$878,462 | — | 31 Dec 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.48%
|
69,381
|
$870,732 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.48%
|
68,154
|
$855,333 | — | 31 Dec 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.47%
|
66,877
|
$839,306 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.44%
|
62,790
|
$788,015 | — | 31 Dec 2025 | |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC |
13F
|
Company |
0.42%
|
60,963
|
$765,086 | — | 31 Dec 2025 | |
| Michael Garnreiter |
3/4/5
|
Director |
—
mixed-class rows
|
41,408
mixed-class rows
|
$744,234 | — | 04 Mar 2026 | |
| Michael M. Ludwig |
3/4/5
|
Director |
—
mixed-class rows
|
35,908
mixed-class rows
|
$643,694 | — | 04 Mar 2026 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.32%
|
45,233
|
$567,674 | — | 31 Dec 2025 | |
| Robert C. Daigle |
3/4/5
|
Chairman & CEO, Director |
—
mixed-class rows
|
256,890
mixed-class rows
|
$545,977 | +$27,353 | 08 Aug 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.29%
|
41,978
|
$526,824 | — | 31 Dec 2025 | |
| RITHOLTZ WEALTH MANAGEMENT |
13F
|
Company |
0.28%
|
39,572
|
$496,629 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.27%
|
39,177
|
$491,671 | — | 31 Dec 2025 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.26%
|
37,816
|
$474,591 | — | 31 Dec 2025 | |
| Merit Financial Group, LLC |
13F
|
Company |
0.26%
|
37,000
|
$464,350 | — | 31 Dec 2025 | |
| Janney Montgomery Scott LLC |
13F
|
Company |
0.21%
|
30,760
|
$386,000 | — | 31 Dec 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.21%
|
30,748
|
$386,000 | — | 31 Dec 2025 | |
| Quadrature Capital Ltd |
13F
|
Company |
0.21%
|
30,542
|
$383,302 | — | 31 Dec 2025 | |
| Jump Financial, LLC |
13F
|
Company |
0.21%
|
30,300
|
$380,265 | — | 31 Dec 2025 | |
| IRONWOOD INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.19%
|
27,537
|
$345,589 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.19%
|
26,568
|
$333,428 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.16%
|
22,748
|
$285,487 | — | 31 Dec 2025 | |
| Kovack Advisors, Inc. |
13F
|
Company |
0.15%
|
22,000
|
$276,100 | — | 31 Dec 2025 | |
| Centiva Capital, LP |
13F
|
Company |
0.15%
|
21,815
|
$273,778 | — | 31 Dec 2025 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0.15%
|
21,553
|
$270,490 | — | 31 Dec 2025 | |
| OCCUDO QUANTITATIVE STRATEGIES LP |
13F
|
Company |
0.15%
|
21,293
|
$267,227 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.14%
|
20,666
|
$259,358 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for AMTECH SYSTEMS INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael M. Ludwig | ASYS | Amtech Systems, Inc. $0.01 par value common stock | Options Exercise | 32.3% | 8,081 | 33,069 | 05 Mar 2026 | Direct | ||
| Michael M. Ludwig | ASYS | Restricted Stock Units | Options Exercise | -74% | -8,081 | 2,839 | 05 Mar 2026 | Direct | ||
| Asif Y. Jakwani | ASYS | Amtech Systems, Inc. $0.01 par value common stock | Options Exercise | 8,081 | 8,081 | 05 Mar 2026 | Direct | |||
| Asif Y. Jakwani | ASYS | Restricted Stock Units | Options Exercise | -74% | -8,081 | 2,839 | 05 Mar 2026 | Direct | ||
| Robert M. Averick | ASYS | Common Stock | Options Exercise | 1.16% | 8,081 | 707,341 | 05 Mar 2026 | Direct | ||
| Robert M. Averick | ASYS | Restricted Stock Units | Options Exercise | -74% | -8,081 | 2,839 | 05 Mar 2026 | Direct | ||
| Michael Garnreiter | ASYS | Amtech Systems, Inc. $0.01 par value common stock | Options Exercise | 26.5% | 8,081 | 38,569 | 05 Mar 2026 | Direct | ||
| Michael Garnreiter | ASYS | Restricted Stock Units | Options Exercise | -74% | -8,081 | 2,839 | 05 Mar 2026 | Direct | ||
| Michael M. Ludwig | ASYS | Restricted Stock Units | Award | 2,839 | 2,839 | 04 Mar 2026 | Direct | |||
| Asif Y. Jakwani | ASYS | Restricted Stock Units | Award | 2,839 | 2,839 | 04 Mar 2026 | Direct | |||
| Robert M. Averick | ASYS | Restricted Stock Units | Award | 35.1% | 2,839 | 10,920 | 04 Mar 2026 | Direct | ||
| Michael Garnreiter | ASYS | Restricted Stock Units | Award | 2,839 | 2,839 | 04 Mar 2026 | Direct | |||
| Robert M. Averick | ASYS | Common Stock | Options Exercise | 3.55% | 24,000 | 699,260 | 02 Sep 2025 | Direct | ||
| Robert M. Averick | ASYS | Director Stock Option (Right to Buy) | Options Exercise | -57.1% | -24,000 | 18,000 | 02 Sep 2025 | Direct | ||
| Robert C. Daigle | ASYS | Amtech Systems, Inc. Employee Stock Option | Award | 100,000 | 100,000 | 08 Aug 2025 | Direct | |||
| Robert M. Averick | ASYS | Common Stock | Purchase | 3.27% | $75,675 | $3.54 | 21,377 | 675,260 | 16 May 2025 | Direct |
| Robert C. Daigle | ASYS | Amtech Systems, Inc. $0.01 par value common stock | Purchase | 0.23% | $1,235 | $3.48 | 355 | 156,890 | 16 May 2025 | Direct |
| Robert C. Daigle | ASYS | Amtech Systems, Inc. $0.01 par value common stotock | Purchase | 1.62% | $8,718 | $3.49 | 2,498 | 156,535 | 15 May 2025 | Direct |
| Robert M. Averick | ASYS | Common Stock | Purchase | 7.62% | $160,101 | $3.46 | 46,272 | 653,883 | 14 May 2025 | Direct |
| Robert C. Daigle | ASYS | Amtech Systems, Inc. $0.01 par value common stock | Purchase | 3.35% | $17,400 | $3.48 | 5,000 | 154,037 | 14 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.