Measuring & Controlling Devices, NEC
Standard Industrial Classification: SIC 3829
Industry Insider Sentiment Analysis
The Measuring & Controlling Devices, NEC sector (SIC 3829) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-28 20:24 | 2026-07-27 | TMO | THERMO FISHER SCIENTIFIC INC. | Pettiti Gianluca | Officer | SELL | $565.00 | 400 | $226,000 | 24,651 |
| 2026-07-17 20:07 | 2026-07-16 | ROK | ROCKWELL AUTOMATION, INC | Riesterer Terry L. | Officer | OPT+S | $453.24 | 281 | $127,359 | 1,602 |
| 2026-07-07 20:45 | 2026-07-02 | MASS | 908 Devices Inc. | Brown Christopher D. | Director | SELL | $9.02 | 2,200 | $19,844 | 843,359 |
| 2026-07-07 20:45 | 2026-07-02 | MASS | 908 Devices Inc. | Knopp Kevin J. | Director, Officer | SELL | $9.07 | 222 | $2,014 | 732,603 |
| 2026-07-02 20:15 | 2026-06-30 | MASS | 908 Devices Inc. | Brown Christopher D. | Director | SELL | $8.84 | 20,000 | $176,800 | 845,559 |
| 2026-06-30 21:10 | 2026-06-26 | MASS | 908 Devices Inc. | Knopp Kevin J. | Director, Officer | SELL | $9.09 | 2,798 | $25,434 | 732,825 |
| 2026-06-25 21:15 | 2026-06-23 | MASS | 908 Devices Inc. | Knopp Kevin J. | Director, Officer | SELL | $9.12 | 60,345 | $550,624 | 735,623 |
| 2026-06-25 21:15 | 2026-06-23 | MASS | 908 Devices Inc. | Brown Christopher D. | Director | SELL | $9.04 | 9,900 | $89,496 | 865,559 |
| 2026-06-25 00:23 | 2026-06-22 | QSI | Quantum-Si Inc | Keyes Jeffry R. | Officer | SELL | $0.93 | 8,233 | $7,642 | 1,724,349 |
| 2026-06-25 00:31 | 2026-06-22 | QSI | Quantum-Si Inc | LaPointe Christian | Officer | SELL | $0.93 | 15,588 | $14,469 | 1,182,429 |
| 2026-06-25 00:12 | 2026-06-22 | QSI | Quantum-Si Inc | Hawkins Jeffrey Alan | Director, Officer | SELL | $0.93 | 22,621 | $20,997 | 3,669,802 |
| 2026-06-25 00:17 | 2026-06-22 | QSI | Quantum-Si Inc | Vieceli John S. | Officer | SELL | $0.93 | 30,223 | $28,053 | 1,140,434 |
| 2026-06-24 20:26 | 2026-06-22 | MASS | 908 Devices Inc. | AWM Investment Company, Inc. | 10% owner | SELL | $9.00 | 7,718 | $69,428 | 4,879,773 |
| 2026-06-05 22:49 | 2026-06-04 | MASS | 908 Devices Inc. | Brown Christopher D. | Director | SELL | $9.00 | 100 | $900 | 875,459 |
| 2026-06-04 21:04 | 2026-06-04 | ROK | ROCKWELL AUTOMATION, INC | Fordenwalt Matthew W. | Officer | SELL | $460.51 | 377 | $173,612 | 4,437 |
| 2026-06-04 20:43 | 2026-06-02 | MASS | 908 Devices Inc. | AWM Investment Company, Inc. | 10% owner | SELL | $8.97 | 42,282 | $379,231 | 4,887,491 |
| 2026-06-04 20:15 | 2026-06-03 | MASS | 908 Devices Inc. | Brown Christopher D. | Director | SELL | $8.73 | 20,000 | $174,600 | 875,559 |
| 2026-06-03 22:06 | 2026-06-02 | ROK | ROCKWELL AUTOMATION, INC | Fordenwalt Matthew W. | Officer | OPT+S | $456.34 | 218 | $99,482 | 4,814 |
| 2026-05-29 20:48 | 2026-05-27 | MASS | 908 Devices Inc. | AWM Investment Company, Inc. | 10% owner | SELL | $8.62 | 186,942 | $1,612,094 | 4,929,773 |
| 2026-05-29 20:15 | 2026-05-28 | MASS | 908 Devices Inc. | Griffith Joseph H. IV | Officer | SELL | $9.03 | 6,940 | $62,668 | 132,956 |
| 2026-05-29 20:15 | 2026-05-28 | MASS | 908 Devices Inc. | Brown Christopher D. | Director | SELL | $9.00 | 30,000 | $270,000 | 895,559 |
| 2026-05-21 22:42 | 2026-05-20 | ROK | ROCKWELL AUTOMATION, INC | MILLER JOHN M | Officer | OPT+S | $426.02 | 1,054 | $449,025 | 5,615 |
| 2026-05-13 20:49 | 2026-05-11 | MASS | 908 Devices Inc. | AWM Investment Company, Inc. | 10% owner | SELL | $8.25 | 5,000 | $41,257 | 5,116,715 |
| 2026-05-11 20:05 | 2026-05-08 | MASS | 908 Devices Inc. | Kenneweg John | Officer | SELL | $8.11 | 18,255 | $148,048 | 57,784 |
| 2026-05-08 20:08 | 2026-05-07 | MIR | Mirion Technologies, Inc. | Moore Christopher A. | Officer | SELL | $19.64 | 8,400 | $164,976 | 22,157 |
| 2026-05-08 21:06 | 2026-05-07 | ROK | ROCKWELL AUTOMATION, INC | Riesterer Terry L. | Officer | OPT+S | $451.97 | 4,024 | $1,818,722 | 134 |
| 2026-05-08 20:40 | 2026-05-06 | MASS | 908 Devices Inc. | AWM Investment Company, Inc. | 10% owner | SELL | $8.08 | 78,209 | $632,132 | 5,121,715 |
| 2026-05-07 20:30 | 2026-05-06 | MASS | 908 Devices Inc. | Brown Christopher D. | Director | SELL | $7.23 | 20,000 | $144,600 | 925,559 |
| 2026-05-06 21:55 | 2026-05-05 | ROK | ROCKWELL AUTOMATION, INC | Nardecchia Christopher | Officer | OPT+S | $446.43 | 2,538 | $1,133,049 | 14,232 |
| 2026-05-06 21:56 | 2026-05-05 | ROK | ROCKWELL AUTOMATION, INC | Fordenwalt Matthew W. | Officer | OPT+S | $449.58 | 600 | $269,748 | 4,437 |
| 2026-05-06 21:46 | 2026-05-05 | ROK | ROCKWELL AUTOMATION, INC | GENEREUX SCOTT | Officer | SELL | $447.73 | 550 | $246,252 | 2,764 |
| 2026-05-04 20:30 | 2026-05-01 | MASS | 908 Devices Inc. | Kenneweg John | Officer | OPT+S | $6.83 | 7,787 | $53,185 | 76,039 |
| 2026-04-30 20:46 | 2025-07-17 | OWLT | Owlet, Inc. | Harris Jonathan | SELL | $10.35 | 26,750 | $276,788 | 339,336 | |
| 2026-04-30 20:30 | 2024-10-17 | OWLT | Owlet, Inc. | Crawford Amanda | Officer | SELL | $9.64 | 11,705 | $112,794 | 212,800 |
| 2026-04-30 20:33 | 2025-03-18 | OWLT | Owlet, Inc. | Workman Kurt | Officer | SELL | $8.32 | 52,233 | $434,511 | 382,080 |
| 2026-04-29 20:38 | 2026-04-27 | TMO | THERMO FISHER SCIENTIFIC INC. | Pettiti Gianluca | Officer | SELL | $462.66 | 400 | $185,064 | 25,051 |
| 2026-04-22 21:09 | 2026-04-20 | QSI | Quantum-Si Inc | Keyes Jeffry R. | Officer | SELL | $1.00 | 74,763 | $74,815 | 1,732,582 |
| 2026-04-22 21:02 | 2026-04-20 | QSI | Quantum-Si Inc | Hawkins Jeffrey Alan | Director, Officer | SELL | $1.00 | 167,424 | $167,541 | 3,692,423 |
| 2026-04-17 21:13 | 2026-04-16 | TRMB | TRIMBLE INC. | SCHWARTZ MARK DAVID | Officer | OPT+S | $67.01 | 16,725 | $1,120,742 | 19,668 |
| 2026-04-16 20:48 | 2026-04-14 | TRMB | TRIMBLE INC. | PAINTER ROBERT G | Director, Officer | OPT+S | $66.94 | 7,500 | $502,050 | 11,897 |
| 2026-04-14 22:50 | 2026-04-13 | ROK | ROCKWELL AUTOMATION, INC | Fordenwalt Matthew W. | Officer | OPT+S | $400.00 | 1,200 | $480,000 | 4,437 |
| 2026-04-14 20:00 | 2026-04-10 | MASS | 908 Devices Inc. | McCallion Kevin J. | Officer | OPT+S | $7.01 | 2,693 | $18,878 | 44,925 |
| 2026-04-13 20:09 | 2026-04-10 | ROK | ROCKWELL AUTOMATION, INC | Perducat Cyril | Officer | OPT+S | $395.00 | 198 | $78,209 | 6,241 |
| 2026-04-10 23:31 | 2026-04-08 | MASS | 908 Devices Inc. | McCallion Kevin J. | Officer | OPT+S | $7.05 | 24,000 | $169,092 | 44,925 |
| 2026-04-10 22:37 | 2026-04-08 | MASS | 908 Devices Inc. | Brown Christopher D. | Director | SELL | $7.06 | 40,000 | $282,276 | 945,559 |
| 2026-04-10 00:52 | 2026-04-08 | ROK | ROCKWELL AUTOMATION, INC | Bulho Matheus De A G Viera | Officer | SELL | $387.50 | 1,250 | $484,375 | 1,734 |
| 2026-04-03 21:17 | 2026-04-02 | ROK | ROCKWELL AUTOMATION, INC | Bulho Matheus De A G Viera | Officer | OPT+S | $359.00 | 299 | $107,341 | 2,984 |
| 2026-03-24 22:49 | 2026-03-20 | QSI | Quantum-Si Inc | Hawkins Jeffrey Alan | Director, Officer | SELL | $0.84 | 23,777 | $19,906 | 3,859,847 |
| 2026-03-24 22:55 | 2026-03-20 | QSI | Quantum-Si Inc | Vieceli John S. | Officer | SELL | $0.84 | 21,997 | $18,416 | 1,170,657 |
| 2026-03-24 22:55 | 2026-03-20 | QSI | Quantum-Si Inc | LaPointe Christian | Officer | SELL | $0.84 | 11,959 | $10,012 | 1,198,017 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Measuring & Controlling Devices, NEC sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3829) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Measuring & Controlling Devices, NEC
Every transaction in the Measuring & Controlling Devices, 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.