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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-22 01:30 | 2026-08-20 | ACMR | ACM Research, Inc. | McKechnie Mark | Officer | OPT+S | $77.27 | 55,199 | $4,264,973 | 900 |
| 2026-08-20 20:30 | 2026-08-18 | ACMR | ACM Research, Inc. | Dun Haiping | Director | OPT+S | $81.13 | 5,000 | $405,670 | 0 |
| 2026-08-19 22:49 | 2026-08-17 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.54 | 180,000 | $996,354 | 4,027,105 |
| 2026-08-19 21:06 | 2026-08-17 | VECO | VEECO INSTRUMENTS INC | Miller William John | Director, Officer | SELL | $54.18 | 200,000 | $10,836,420 | 169,570 |
| 2026-08-17 20:03 | 2026-08-13 | CRCT | Cricut, Inc. | Harmer Ryan | Officer | SELL | $6.00 | 5,000 | $30,000 | 324,428 |
| 2026-08-12 20:30 | 2026-08-10 | VECO | VEECO INSTRUMENTS INC | KIERNAN JOHN P | Officer | SELL | $51.05 | 35,000 | $1,786,596 | 68,802 |
| 2026-08-07 17:24 | 2026-08-06 | LRCX | LAM RESEARCH CORP | ARCHER TIMOTHY | Officer | OPT+S | $300.00 | 30,000 | $9,000,000 | 1,075,966 |
| 2026-08-06 00:50 | 2026-08-03 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $5.21 | 180,000 | $938,664 | 4,207,105 |
| 2026-08-04 22:11 | 2026-07-31 | AZTA | Azenta, Inc. | Starr Ephraim | Officer | BUY | $24.17 | 335 | $8,096 | 68,728 |
| 2026-08-03 20:30 | 2026-07-30 | SOTK | SONO TEK CORP | Bagley Stephen James | Officer | SELL | $5.13 | 8,346 | $42,815 | 21,254 |
| 2026-07-30 00:00 | 2026-07-28 | ERII | Energy Recovery, Inc. | Clemente Rodney | Officer | SELL | $8.56 | 5,387 | $46,113 | 108,301 |
| 2026-07-29 23:58 | 2026-07-28 | ERII | Energy Recovery, Inc. | Yeung William | Officer | SELL | $8.56 | 2,048 | $17,531 | 99,291 |
| 2026-07-29 20:20 | 2026-07-27 | SOTK | SONO TEK CORP | Bagley Stephen James | Officer | SELL | $5.08 | 1,200 | $6,090 | 29,600 |
| 2026-07-27 20:29 | 2026-07-23 | SOTK | SONO TEK CORP | Bagley Stephen James | Officer | SELL | $5.43 | 3,454 | $18,759 | 30,800 |
| 2026-07-23 20:15 | 2026-07-21 | SOTK | SONO TEK CORP | COCCIO CHRISTOPHER L | Director | SELL | $5.38 | 17,000 | $91,375 | 292,447 |
| 2026-07-17 21:47 | 2026-07-15 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $4.75 | 3,333 | $15,842 | 4,321,893 |
| 2026-07-14 16:56 | 2026-07-13 | LRCX | LAM RESEARCH CORP | TALWALKAR ABHIJIT Y | Director | SELL | $335.00 | 18,282 | $6,124,470 | 87,142 |
| 2026-07-06 16:33 | 2026-07-02 | LRCX | LAM RESEARCH CORP | ARCHER TIMOTHY | Officer | OPT+S | $390.01 | 30,000 | $11,700,300 | 1,075,966 |
| 2026-06-23 18:34 | 2026-06-18 | TRT | TRIO-TECH INTERNATIONAL | ADELMAN JASON T | Director | OPT+S | $15.36 | 10,000 | $153,600 | 140,094 |
| 2026-06-17 20:11 | 2026-06-15 | ERII | Energy Recovery, Inc. | Sabol Colin R | Director | BUY | $8.88 | 11,180 | $99,267 | 55,671 |
| 2026-06-17 20:08 | 2026-06-15 | ERII | Energy Recovery, Inc. | BUEHLER ALEXANDER J | Director, Officer | OPT+S | $8.71 | 14,900 | $129,779 | 66,755 |
| 2026-06-15 23:33 | 2026-06-12 | LRCX | LAM RESEARCH CORP | BRANDT ERIC | Director | SELL | $367.18 | 54,500 | $20,011,348 | 144,705 |
| 2026-06-15 16:27 | 2026-06-11 | LRCX | LAM RESEARCH CORP | BRANDT ERIC | Director | SELL | $350.80 | 54,500 | $19,118,360 | 199,205 |
| 2026-06-12 20:30 | 2026-06-11 | VECO | VEECO INSTRUMENTS INC | Wilkerson Susan | Officer | SELL | $69.56 | 15,506 | $1,078,570 | 27,468 |
| 2026-06-10 20:25 | 2026-06-09 | VECO | VEECO INSTRUMENTS INC | HUNTER GORDON | Director | SELL | $68.80 | 16,974 | $1,167,811 | 11,236 |
| 2026-06-10 20:30 | 2026-06-09 | VECO | VEECO INSTRUMENTS INC | Devasahayam Adrian | Officer | SELL | $65.00 | 10,000 | $650,000 | 85,115 |
| 2026-06-08 21:30 | 2026-06-04 | VECO | VEECO INSTRUMENTS INC | HUNTER GORDON | Director | SELL | $63.78 | 6,752 | $430,643 | 28,210 |
| 2026-06-06 01:00 | 2026-06-04 | ACMR | ACM Research, Inc. | Cheav Sotheara | Officer | OPT+S | $84.58 | 18,750 | $1,585,924 | 100,002 |
| 2026-06-05 20:30 | 2026-06-03 | ACMR | ACM Research, Inc. | Wang David H | Director, Officer, 10% owner | OPT+S | $88.35 | 100,002 | $8,835,387 | 802,708 |
| 2026-06-04 21:05 | 2026-06-03 | ACLS | AXCELIS TECHNOLOGIES INC | Sayiner Necip | Director | SELL | $157.44 | 1,586 | $249,703 | 7,112 |
| 2026-06-03 21:05 | 2026-06-02 | ACLS | AXCELIS TECHNOLOGIES INC | Mahoney Robert John | Officer | SELL | $155.24 | 1,155 | $179,302 | 14,410 |
| 2026-06-03 20:32 | 2026-06-01 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $4.30 | 16,366 | $70,310 | 4,325,226 |
| 2026-06-02 20:30 | 2026-06-02 | VECO | VEECO INSTRUMENTS INC | Miller William John | Director, Officer | SELL | $58.62 | 50,000 | $2,931,000 | 369,570 |
| 2026-06-02 16:05 | 2026-06-01 | LRCX | LAM RESEARCH CORP | Fernandes Neil J | Officer | SELL | $309.60 | 7,659 | $2,371,226 | 58,470 |
| 2026-06-01 22:29 | 2026-05-28 | CRCT | Cricut, Inc. | Harmer Ryan | Officer | SELL | $4.12 | 17,267 | $71,211 | 325,579 |
| 2026-05-28 21:05 | 2026-05-27 | ACLS | AXCELIS TECHNOLOGIES INC | Sutton Todd | Officer | SELL | $159.99 | 2,000 | $319,980 | 6,360 |
| 2026-05-28 20:30 | 2026-05-26 | VECO | VEECO INSTRUMENTS INC | HUNTER GORDON | Director | SELL | $61.61 | 17,714 | $1,091,360 | 34,962 |
| 2026-05-28 16:45 | 2026-05-26 | TRT | TRIO-TECH INTERNATIONAL | TING HOCK MING | Director | SELL | $16.65 | 17,200 | $286,380 | 131,044 |
| 2026-05-27 21:01 | 2026-05-18 | TRT | TRIO-TECH INTERNATIONAL | HOROWITZ RICHARD M | Director, 10% owner | SELL | $18.10 | 67,500 | $1,221,770 | 664,784 |
| 2026-05-27 20:35 | 2026-05-26 | VECO | VEECO INSTRUMENTS INC | Wilkerson Susan | Officer | SELL | $61.69 | 35,723 | $2,203,752 | 42,974 |
| 2026-05-27 20:30 | 2026-05-26 | VECO | VEECO INSTRUMENTS INC | Devasahayam Adrian | Officer | SELL | $61.84 | 5,407 | $334,369 | 95,115 |
| 2026-05-26 20:05 | 2026-05-22 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $3.98 | 60,000 | $238,710 | 4,341,592 |
| 2026-05-26 21:05 | 2026-05-22 | ACLS | AXCELIS TECHNOLOGIES INC | St Dennis Thomas | Director | SELL | $155.37 | 900 | $139,833 | 17,695 |
| 2026-05-22 21:05 | 2026-05-21 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | Officer | SELL | $152.70 | 1,161 | $177,285 | 20,493 |
| 2026-05-22 21:05 | 2026-05-22 | ACLS | AXCELIS TECHNOLOGIES INC | Evans Eileen | Officer | SELL | $155.51 | 926 | $143,998 | 31,295 |
| 2026-05-21 21:39 | 2026-05-20 | CRCT | Cricut, Inc. | Ashish Arora | Director, Officer, 10% owner | SELL | $3.95 | 120,000 | $474,144 | 4,401,592 |
| 2026-05-21 21:05 | 2026-05-20 | ACLS | AXCELIS TECHNOLOGIES INC | Tatnall Christopher | Officer | SELL | $149.75 | 1,166 | $174,609 | 27,627 |
| 2026-05-21 20:30 | 2026-05-19 | ACMR | ACM Research, Inc. | Dun Haiping | Director | OPT+S | $66.22 | 5,000 | $331,111 | 0 |
| 2026-05-20 21:05 | 2026-05-19 | ACLS | AXCELIS TECHNOLOGIES INC | Quirk Jeanne | Director | SELL | $140.22 | 1,789 | $250,854 | 11,400 |
| 2026-05-20 21:05 | 2026-05-19 | ACLS | AXCELIS TECHNOLOGIES INC | KURTZWEIL JOHN T | Director | SELL | $138.79 | 3,500 | $485,771 | 32,990 |
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.