StockCIK 720500
AMTECH SYSTEMS INC (ASYS): Insider Trades and Fund Holdings
In the past 12 months, AMTECH SYSTEMS INC insiders reported 2 open-market purchases worth $78K and 0 sales worth $0.
2Insider buys, 12 months
$78KBought by insiders, 12 months
$0Sold by insiders, 12 months
1Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 16, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 16 | Thomas B. SabolCFO | ▲ BUY | $28K |
| Aug 25 | Guy ShechterCEO | ▲ BUY | $49K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Thomas B. Sabol | CFO | 1 | $28K | 0 | $0 |
| Guy Shechter | CEO | 1 | $49K | 0 | $0 |
Tracked funds that report ASYS
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 260,605 | $6.01M | ▲ +141.1% |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →