Special Industry Machinery, NEC
Standard Industrial Classification: SIC 3559
Industry Insider Sentiment Analysis
The Special Industry Machinery, NEC sector (SIC 3559) acts as a critical barometer for broader economic health. Our real-time monitoring reveals total transactions. Monitoring "cluster buying" is one of the most reliable leading indicators for future sector performance. By analyzing aggregate data across this specific Standard Industrial Classification, investors can filter out individual company volatility and identify high-conviction trends. When multiple directors and officers within the same industry move capital simultaneously, it often signals an upcoming sector-wide revaluation or a fundamental shift in supply chain dynamics that has yet to be recognized by the broader public market.
| Filing Date | Trade Date | Ticker | Company | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-03-28 00:05 | 2025-03-25 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.25 | 5,993 | $31,470 | 4,059,329 |
| 2025-03-20 04:30 | 2025-03-17 | ACMR | Acm Research Inc. | Hu Chenming | Director | SELL | $30.00 | 163,308 | $4,899,240 | 100,002 |
| 2025-03-19 04:30 | 2025-03-14 | ACMR | Acm Research Inc. | Dun Haiping | Director | SELL | $29.00 | 9,518 | $275,976 | 755,090 |
| 2025-03-15 00:30 | 2025-03-12 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.37 | 66,313 | $356,286 | 3,265,322 |
| 2025-03-15 04:30 | 2025-03-12 | ACMR | Acm Research Inc. | McKechnie Mark | Officer | OPT+S | $27.42 | 15,000 | $411,300 | 900 |
| 2025-03-14 04:30 | 2025-03-11 | ACMR | Acm Research Inc. | Wang David H | Director, Officer, 10% owner | SELL | $27.02 | 131,250 | $3,546,559 | 672,708 |
| 2025-03-13 23:24 | 2025-03-11 | ERII | Energy Recovery, Inc. | Hanstveit Arve | Director | SELL | $16.34 | 50,000 | $816,950 | 693,182 |
| 2025-03-12 23:30 | 2025-03-10 | ACMR | Acm Research Inc. | Dun Haiping | Director | SELL | $26.54 | 15,001 | $398,127 | 764,608 |
| 2025-03-12 23:57 | 2025-03-11 | ERII | Energy Recovery, Inc. | Clemente Rodney | Officer | SELL | $16.23 | 1,843 | $29,912 | 108,472 |
| 2025-03-12 23:01 | 2025-03-10 | ASYS | AMTECH SYSTEMS INC | Averick Robert M | Director, 10% owner | BUY | $4.86 | 10,000 | $48,600 | 607,611 |
| 2025-03-10 23:30 | 2025-03-10 | VECO | VEECO INSTRUMENTS INC | KIERNAN JOHN P | Officer | SELL | $20.68 | 2,500 | $51,700 | 70,142 |
| 2025-03-06 01:44 | 2025-03-03 | ASYS | AMTECH SYSTEMS INC | Averick Robert M | Director, 10% owner | BUY | $4.88 | 6,523 | $31,837 | 589,312 |
| 2025-03-01 02:03 | 2024-10-16 | TRT | TRIO-TECH INTERNATIONAL | ADELMAN JASON T | Director | SELL | $6.84 | 12,000 | $82,130 | 18,000 |
| 2025-02-26 04:07 | 2025-02-21 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.71 | 180,000 | $1,028,214 | 3,331,635 |
| 2025-02-25 02:34 | 2025-02-20 | ERII | Energy Recovery, Inc. | Clemente Rodney | Officer | SELL | $15.42 | 21,444 | $330,709 | 111,109 |
| 2025-02-21 21:28 | 2025-02-20 | LRCX | LAM RESEARCH CORP | Varadarajan Seshasayee | Officer | OPT+S | $90.00 | 110,080 | $9,907,200 | 179,084 |
| 2025-02-19 00:01 | 2025-02-13 | ASYS | AMTECH SYSTEMS INC | Averick Robert M | Director, 10% owner | BUY | $4.85 | 22,000 | $106,700 | 582,789 |
| 2025-02-12 00:30 | 2025-02-10 | VECO | VEECO INSTRUMENTS INC | KIERNAN JOHN P | Officer | SELL | $24.51 | 2,500 | $61,275 | 72,642 |
| 2025-02-11 00:32 | 2025-02-06 | ACMR | Acm Research Inc. | Cheav Sotheara | Officer | OPT+S | $23.00 | 22,598 | $519,754 | 100,002 |
| 2025-02-11 00:30 | 2025-02-06 | ACMR | Acm Research Inc. | McKechnie Mark | Officer | OPT+S | $22.00 | 15,000 | $330,000 | 900 |
| 2025-02-11 00:01 | 2025-02-07 | ASYS | AMTECH SYSTEMS INC | Averick Robert M | Director, 10% owner | BUY | $5.02 | 54,789 | $275,041 | 560,789 |
| 2025-02-06 03:47 | 2025-02-03 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.46 | 63,750 | $348,196 | 3,630,377 |
| 2025-02-05 00:10 | 2025-02-03 | AZTA | Azenta, Inc. | Hughes Violetta | Officer | SELL | $52.97 | 317 | $16,791 | 9,603 |
| 2025-02-05 00:10 | 2025-01-31 | AZTA | Azenta, Inc. | Zhou Ginger | Officer | BUY | $45.88 | 417 | $19,132 | 27,916 |
| 2025-01-24 02:35 | 2025-01-21 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.80 | 63,750 | $369,820 | 3,694,127 |
| 2025-01-14 00:30 | 2025-01-10 | VECO | VEECO INSTRUMENTS INC | KIERNAN JOHN P | Officer | SELL | $27.63 | 2,500 | $69,075 | 75,142 |
| 2025-01-09 02:17 | 2025-01-06 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.78 | 63,750 | $368,558 | 3,717,090 |
| 2024-12-21 02:45 | 2024-12-18 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $6.09 | 63,750 | $388,391 | 3,780,840 |
| 2024-12-20 00:44 | 2024-12-17 | CRCT | Cricut, Inc. | Blackwell Len | Director | SELL | $6.41 | 50,000 | $320,610 | 1,458,047 |
| 2024-12-18 01:30 | 2024-12-11 | ERII | Energy Recovery, Inc. | Hanstveit Arve | Director | SELL | $16.87 | 20,000 | $337,400 | 743,182 |
| 2024-12-14 00:26 | 2024-12-11 | ASYS | AMTECH SYSTEMS INC | Averick Robert M | Director, 10% owner | BUY | $5.68 | 32,000 | $181,626 | 506,000 |
| 2024-12-12 03:43 | 2024-12-09 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.92 | 112,448 | $666,052 | 3,844,590 |
| 2024-12-11 00:20 | 2024-12-10 | VECO | VEECO INSTRUMENTS INC | KIERNAN JOHN P | Officer | SELL | $28.80 | 2,500 | $72,000 | 77,642 |
| 2024-12-04 00:32 | 2024-11-29 | ACMR | Acm Research Inc. | Dun Haiping | Director | SELL | $17.43 | 19,058 | $332,181 | 755,090 |
| 2024-12-04 00:30 | 2024-11-29 | ACMR | Acm Research Inc. | Wang David H | Director, Officer, 10% owner | SELL | $17.44 | 56,250 | $981,000 | 598,006 |
| 2024-11-30 00:30 | 2024-11-26 | ACMR | Acm Research Inc. | Wang David H | Director, Officer, 10% owner | SELL | $17.89 | 56,250 | $1,006,088 | 654,256 |
| 2024-11-28 01:21 | 2024-11-25 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.29 | 78,095 | $413,224 | 3,957,038 |
| 2024-11-27 00:13 | 2024-11-25 | CRCT | Cricut, Inc. | Olsen Donald B. | Officer | SELL | $5.23 | 30,000 | $156,990 | 625,833 |
| 2024-11-27 00:30 | 2024-11-22 | ACMR | Acm Research Inc. | Dun Haiping | Director | SELL | $19.12 | 15,000 | $286,800 | 774,148 |
| 2024-11-27 00:30 | 2024-11-22 | ACMR | Acm Research Inc. | Wang David H | Director, Officer, 10% owner | SELL | $19.08 | 56,250 | $1,073,250 | 710,506 |
| 2024-11-22 00:10 | 2024-11-19 | AZTA | Azenta, Inc. | Wang David Dong | Officer | SELL | $40.07 | 348 | $13,944 | 24,114 |
| 2024-11-22 00:10 | 2024-11-19 | AZTA | Azenta, Inc. | Pirogova Olga | Officer | SELL | $40.07 | 548 | $21,958 | 19,373 |
| 2024-11-22 00:10 | 2024-11-19 | AZTA | Azenta, Inc. | Cueto Herman | Officer | SELL | $40.07 | 712 | $28,530 | 23,892 |
| 2024-11-22 00:10 | 2024-11-19 | AZTA | Azenta, Inc. | Hughes Violetta | Officer | SELL | $40.07 | 163 | $6,531 | 9,920 |
| 2024-11-22 00:10 | 2024-11-19 | AZTA | Azenta, Inc. | Zhou Ginger | Officer | SELL | $40.07 | 491 | $19,674 | 27,499 |
| 2024-11-22 00:24 | 2024-11-19 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.25 | 707 | $3,712 | 4,035,133 |
| 2024-11-22 00:10 | 2024-11-19 | AZTA | Azenta, Inc. | Joseph Jason | Officer | SELL | $40.07 | 1,139 | $45,640 | 112,564 |
| 2024-11-20 23:13 | 2024-10-18 | VLDX | Velo3D, Inc. | Kreger Bradley Allen | Director, Officer | OPT+S | $0.85 | 341 | $290 | 9,898 |
| 2024-11-20 00:10 | 2024-11-18 | AZTA | Azenta, Inc. | Marotta John | Director, Officer | BUY | $39.59 | 13,967 | $552,904 | 100,862 |
| 2024-11-20 00:10 | 2024-11-18 | AZTA | Azenta, Inc. | Cornog William L | Director | BUY | $39.60 | 12,500 | $495,000 | 14,755 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Special Industry Machinery, NEC sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3559) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Special Industry Machinery, NEC
Every transaction in the Special Industry Machinery, NEC industry is reported via Form 4 disclosures. By filtering these filings by industry, investors can detect institutional-scale sentiment shifts before they are reflected in broader market indices, following the capital flow of those with intimate industry knowledge.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.