Engines & Turbines
Standard Industrial Classification: SIC 3510
Industry Insider Sentiment Analysis
The Engines & Turbines sector (SIC 3510) acts as a critical barometer for broader economic health. Our real-time monitoring reveals 1367 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-19 00:08 | 2026-02-17 | BC | BRUNSWICK CORP | Gwillim Ryan M | Officer | SELL | $87.23 | 12,785 | $1,115,236 | 32,255 |
| 2026-02-14 01:54 | 2026-02-11 | CMI | CUMMINS INC | MILLER WILLIAM I | Director | SELL | $597.10 | 18,107 | $10,811,646 | 34,243 |
| 2026-02-14 00:11 | 2026-02-12 | BWXT | BWX Technologies, Inc. | Geveden Rex D | Director, Officer | SELL | $203.26 | 10,000 | $2,032,560 | 177,594 |
| 2026-02-10 03:15 | 2026-02-06 | BC | BRUNSWICK CORP | Dekker Christopher F | Officer | SELL | $87.38 | 4,981 | $435,240 | 39,740 |
| 2026-02-07 00:43 | 2026-02-05 | BC | BRUNSWICK CORP | FOULKES DAVID M | Officer | SELL | $86.56 | 38,266 | $3,312,305 | 271,169 |
| 2025-11-26 02:43 | 2025-11-25 | CGEH | Capstone Green Energy Holdings, Inc. | Powelson Robert F | Director | BUY | $2.00 | 12,500 | $25,000 | 80,867 |
| 2025-11-26 02:36 | 2025-11-25 | CMI | CUMMINS INC | Merritt Brett Michael | Officer | OPT+S | $489.32 | 1,450 | $709,514 | 9,271 |
| 2025-11-26 02:07 | 2025-11-25 | CGEH | Capstone Green Energy Holdings, Inc. | Canino Vincent J. | Director, Officer | BUY | $2.00 | 75,000 | $150,000 | 542,598 |
| 2025-11-26 01:53 | 2025-11-25 | CGEH | Capstone Green Energy Holdings, Inc. | Beard Robert F. | Director | BUY | $2.00 | 12,500 | $25,000 | 16,649 |
| 2025-11-26 01:43 | 2025-11-25 | CGEH | Capstone Green Energy Holdings, Inc. | Miller John P. | Director, Officer | BUY | $2.00 | 25,000 | $50,000 | 51,807 |
| 2025-11-26 01:33 | 2025-11-25 | CGEH | Capstone Green Energy Holdings, Inc. | Close Christopher J. | Director | BUY | $2.00 | 12,500 | $25,000 | 18,881 |
| 2025-11-26 01:09 | 2025-11-25 | CGEH | Capstone Green Energy Holdings, Inc. | Graves Candice | Officer | BUY | $2.00 | 10,000 | $20,000 | 90,000 |
| 2025-11-14 03:42 | 2025-11-11 | CMI | CUMMINS INC | RUMSEY JENNIFER | Director, Officer | OPT+S | $473.89 | 4,570 | $2,165,657 | 42,880 |
| 2025-11-14 01:06 | 2025-11-12 | BWXT | BWX Technologies, Inc. | Geveden Rex D | Director, Officer | SELL | $197.90 | 10,000 | $1,979,005 | 187,594 |
| 2025-11-11 00:09 | 2025-11-06 | CMI | CUMMINS INC | Smith Mark Andrew | Officer | OPT+S | $470.66 | 13,110 | $6,170,410 | 31,582 |
| 2025-11-04 00:47 | 2025-11-03 | BC | BRUNSWICK CORP | COOPER NANCY E | Director | SELL | $64.12 | 233 | $14,940 | 27,083 |
| 2025-10-31 22:29 | 2025-10-30 | CMI | CUMMINS INC | Smith Mark Andrew | Officer | OPT+S | $449.10 | 200 | $89,819 | 31,582 |
| 2025-10-08 23:28 | 2025-10-06 | CMI | CUMMINS INC | Smith Mark Andrew | Officer | OPT+S | $439.30 | 8,000 | $3,514,402 | 31,582 |
| 2025-09-18 02:02 | 2025-09-15 | CMI | CUMMINS INC | Smith Mark Andrew | Officer | OPT+S | $415.73 | 9,080 | $3,774,789 | 31,582 |
| 2025-09-16 00:02 | 2025-09-11 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $93.46 | 79,839 | $7,461,418 | 10,599,759 |
| 2025-09-12 23:05 | 2025-09-10 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | He Hong | Director | SELL | $94.40 | 2,500 | $236,000 | 18,750 |
| 2025-09-12 23:00 | 2025-09-10 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $92.42 | 36,554 | $3,378,489 | 10,679,598 |
| 2025-09-11 23:05 | 2025-09-09 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Xykis Constantine | Officer | SELL | $91.31 | 7,854 | $717,172 | 0 |
| 2025-09-11 23:05 | 2025-09-09 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | He Hong | Director | SELL | $91.44 | 4,000 | $365,775 | 21,250 |
| 2025-09-10 23:05 | 2025-09-08 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | He Hong | Director | SELL | $89.00 | 1,000 | $89,000 | 25,250 |
| 2025-08-28 23:01 | 2025-08-26 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $83.28 | 94,047 | $7,832,206 | 10,716,152 |
| 2025-08-27 23:00 | 2025-08-25 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $91.00 | 51,426 | $4,679,925 | 10,810,199 |
| 2025-08-27 21:01 | 2025-08-25 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | SIMPKINS FRANK P | Director | SELL | $91.64 | 10,000 | $916,380 | 25,000 |
| 2025-08-27 20:51 | 2025-08-25 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Li Xun | Officer | BUY | $92.82 | 300 | $27,846 | 521 |
| 2025-08-27 20:51 | 2025-08-25 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Li Xun | Officer | SELL | $92.36 | 8,000 | $738,891 | 221 |
| 2025-08-26 23:01 | 2025-08-22 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $88.28 | 87,210 | $7,698,960 | 10,861,625 |
| 2025-08-26 19:46 | 2025-08-22 | CMI | CUMMINS INC | Enright Robert | Officer | OPT+S | $402.26 | 1,860 | $748,210 | 955 |
| 2025-08-25 23:01 | 2025-08-21 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $82.27 | 42,314 | $3,481,020 | 10,948,835 |
| 2025-08-22 23:01 | 2025-08-20 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $80.50 | 15,802 | $1,272,015 | 10,991,149 |
| 2025-08-21 23:15 | 2025-08-19 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $81.08 | 79,670 | $6,459,803 | 11,006,951 |
| 2025-08-20 23:01 | 2025-08-18 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $85.01 | 125,220 | $10,645,178 | 11,086,621 |
| 2025-08-20 17:37 | 2025-08-19 | CMI | CUMMINS INC | Quintos Karen H | Director | SELL | $405.33 | 1,307 | $529,761 | 5,227 |
| 2025-08-19 23:05 | 2025-08-15 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $83.16 | 116,137 | $9,657,999 | 11,211,841 |
| 2025-08-18 23:01 | 2025-08-14 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $84.98 | 135,846 | $11,543,623 | 11,327,978 |
| 2025-08-16 03:04 | 2025-08-14 | CMI | CUMMINS INC | Davis Amy Rochelle | Officer | OPT+S | $402.88 | 5,002 | $2,015,215 | 20,738 |
| 2025-08-15 23:01 | 2025-08-13 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $89.83 | 162,113 | $14,562,351 | 11,463,824 |
| 2025-08-15 19:07 | 2025-08-13 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | He Hong | Director | SELL | $90.03 | 2,500 | $225,065 | 26,250 |
| 2025-08-14 23:32 | 2025-08-12 | CMI | CUMMINS INC | Smith Mark Andrew | Officer | OPT+S | $400.20 | 12,500 | $5,002,500 | 31,582 |
| 2025-08-14 23:00 | 2025-08-12 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Weichai America Corp. | 10% owner | SELL | $93.81 | 123,822 | $11,615,160 | 11,625,937 |
| 2025-08-14 19:30 | 2025-08-12 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | Xykis Constantine | Officer | SELL | $95.85 | 26,005 | $2,492,597 | 7,854 |
| 2025-08-14 17:23 | 2025-08-12 | PSIX | POWER SOLUTIONS INTERNATIONAL, INC. | SIMPKINS FRANK P | Director | SELL | $94.90 | 5,000 | $474,524 | 35,000 |
| 2025-08-13 01:19 | 2025-08-08 | CMI | CUMMINS INC | Peters Luther E | Officer | OPT+S | $389.19 | 4,850 | $1,887,559 | 7,693 |
| 2025-08-12 23:32 | 2025-08-11 | BWXT | BWX Technologies, Inc. | Melvin Leland D | Director | SELL | $178.27 | 600 | $106,959 | 5,579 |
| 2025-08-12 23:32 | 2025-08-11 | BWXT | BWX Technologies, Inc. | Whitford Ronald Owen Jr | Officer | OPT+S | $177.43 | 2,092 | $371,192 | 10,149 |
| 2025-08-12 23:19 | 2025-08-08 | CMI | CUMMINS INC | Bush Jennifer Mary | Officer | SELL | $388.13 | 520 | $201,826 | 15,130 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Engines & Turbines sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3510) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Engines & Turbines
Every transaction in the Engines & Turbines 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.