AMTECH SYSTEMS INC
Total Trades
26
Buys
22
Sells
2
Largest Trade
$500K+
Insiders
4
Institutional Funds
48
Inst. Value
$1M+
Activist Filings
20
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Averick Robert M | Director | BUY | $100K–$500K | 68K | $3.49 | May 16, 2025 |
| DAIGLE ROBERT C | Chairman & CEO | BUY | $15K–$50K | 8K | $3.48 | May 16, 2025 |
| Averick Robert M | Director | BUY | $15K–$50K | 10K | $4.86 | Mar 12, 2025 |
| DAIGLE ROBERT C | Chairman & CEO | BUY | $1K–$15K | 4K | $4.21 | Feb 15, 2024 |
| Averick Robert M | Director | BUY | $50K–$100K | 21K | $4.21 | Feb 14, 2024 |
| DAIGLE ROBERT C | CEO | BUY | $100K–$500K | 12K | $8.59 | Aug 25, 2023 |
| Averick Robert M | Director | BUY | $100K–$500K | 16K | $8.85 | Aug 21, 2023 |
| DAIGLE ROBERT C | CEO | BUY | <$1K | 49 | $9.00 | Aug 17, 2023 |
| DAIGLE ROBERT C | CEO | BUY | $15K–$50K | 2K | $8.75 | Aug 16, 2023 |
| DAIGLE ROBERT C | CEO | BUY | $100K–$500K | 16K | $8.94 | Aug 15, 2023 |
| Averick Robert M | Director | BUY | $50K–$100K | 8K | $8.88 | Aug 14, 2023 |
| Averick Robert M | Director | BUY | $1K–$15K | 2K | $8.89 | May 25, 2023 |
| DAIGLE ROBERT C | Director | BUY | <$1K | 84 | $8.75 | May 23, 2023 |
| Averick Robert M | Director | BUY | $15K–$50K | 3K | $8.65 | May 18, 2023 |
| DAIGLE ROBERT C | Director | BUY | $15K–$50K | 3K | $8.75 | May 16, 2023 |
| Averick Robert M | Director | BUY | $15K–$50K | 5K | $8.95 | May 15, 2023 |
| Averick Robert M | Director | BUY | $15K–$50K | 4K | $8.96 | Mar 14, 2023 |
| Averick Robert M | Director | BUY | $15K–$50K | 5K | $9.05 | Feb 13, 2023 |
| Averick Robert M | Director | BUY | $50K–$100K | 5K | $10.96 | Sep 13, 2022 |
| Averick Robert M | Director | BUY | $50K–$100K | 5K | $10.51 | Sep 6, 2022 |
| WHANG JONG S | Director | SELL | $500K+ | 50K | $13.07 | Aug 25, 2022 |
| WHANG JONG S | Director | EXERCISE | $100K–$500K | 50K | $5.25 | Aug 25, 2022 |
| WHANG MICHAEL | CEO | EXERCISE | $100K–$500K | 41K | $6.29 | Aug 25, 2022 |
| WHANG MICHAEL | CEO | SELL | $100K–$500K | 24K | $12.55 | Aug 25, 2022 |
| Averick Robert M | Director | BUY | $100K–$500K | 40K | $7.90 | May 17, 2022 |
| Averick Robert M | Director | BUY | $100K–$500K | 26K | $9.70 | Feb 24, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 48 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| First Eagle Investment Management, LLC | 734K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 654K | $1M+ | SH |
| Pacific Ridge Capital Partners, LLC | 628K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 347K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 236K | $1M+ | SH |
| JANE STREET GROUP, LLC | 221K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 147K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 109K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 79K | $500K+ | SH |
| Informed Momentum Co LLC | 74K | $500K+ | SH |
| Point72 Asset Management, L.P. | 68K | $500K+ | SH |
| Connor, Clark & Lunn Investment Management Ltd. | 67K | $500K+ | SH |
| VANGUARD GROUP INC | 63K | $500K+ | SH |
| STATE STREET CORP | 63K | $500K+ | SH |
| MARSHALL WACE, LLP | 63K | $500K+ | SH |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 61K | $500K+ | SH |
| SEI INVESTMENTS CO | 45K | $500K+ | SH |
| RITHOLTZ WEALTH MANAGEMENT | 40K | $100K–$500K | SH |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 38K | $100K–$500K | SH |
| Merit Financial Group, LLC | 37K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 13, 2026
9.2%
1.3M shares
SC 13G/A · Jan 21, 2026
4.7%
672K shares
SC 13G/A · Apr 4, 2025
4.1%
588K shares
SC 13D/A · Feb 18, 2025
4.2%
600K shares
Pacific Ridge Capital Partners, LLC
SC 13G/A · Feb 12, 2025
4.6%
652K shares
SC 13G/A · Feb 11, 2025
15.8%
2.3M shares
SC 13G/A · Jan 28, 2025
10.4%
1.5M shares
First Eagle Investment Management, LLC
SC 13G · Nov 12, 2024
5.5%
783K shares
Dimensional Fund Advisors LP 30-0447847
SC 13G/A · Oct 31, 2024
6.5%
924K shares
Royce & Associates, LP 52-2343049
SC 13G/A · Oct 15, 2024
12.0%
1.7M shares
SC 13G/A · Sep 6, 2024
11.3%
1.6M shares
SC 13D/A · May 14, 2024
9.8%
1.4M shares
Pacific Ridge Capital Partners, LLC
SC 13G/A · Feb 12, 2024
5.3%
754K shares
Royce & Associates, LP 52-2343049
SC 13G/A · Jan 23, 2024
10.2%
1.4M shares
Pacific Ridge Capital Partners, LLC
SC 13G/A · Feb 13, 2023
5.5%
774K shares
Dimensional Fund Advisors LP 30-0447847
SC 13G/A · Feb 10, 2023
8.2%
1.1M shares
Royce & Associates, LP 52-2343049
SC 13G/A · Jan 23, 2023
9.9%
1.4M shares
SC 13D/A · Feb 24, 2022
9.9%
1.4M shares
Pacific Ridge Capital Partners, LLC
SC 13G/A · Feb 14, 2022
6.2%
891K shares
Royce & Associates, LP 52-2343049
SC 13G/A · Jan 14, 2022
8.4%
1.2M shares