Oil & Gas Field Services, NEC
Standard Industrial Classification: SIC 1389
Industry Insider Sentiment Analysis
The Oil & Gas Field Services, NEC sector (SIC 1389) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-21 21:27 | 2026-08-18 | NESR | National Energy Services Reunited Corp. | Angeli Stefan | Officer | SELL | $35.12 | 13,570 | $476,578 | 549,763 |
| 2026-08-21 20:21 | 2026-08-20 | RNGR | Ranger Energy Services, Inc. | Bodden Stuart | Director, Officer | SELL | $17.16 | 95,000 | $1,630,200 | 273,800 |
| 2026-08-20 20:52 | 2026-08-19 | HAL | HALLIBURTON CO | Slocum Jeffrey Shannon | Director, Officer | SELL | $35.09 | 52,572 | $1,844,751 | 118,730 |
| 2026-08-19 19:20 | 2026-08-18 | HAL | HALLIBURTON CO | Miller Jeffrey Allen | Director, Officer | SELL | $35.00 | 124,483 | $4,356,905 | 889,389 |
| 2026-08-19 19:21 | 2026-08-18 | HAL | HALLIBURTON CO | Slocum Jeffrey Shannon | Director, Officer | SELL | $35.08 | 16,121 | $565,573 | 171,302 |
| 2026-08-12 23:28 | 2026-08-10 | ACDC | ProFrac Holding Corp. | Wilks Dan H. | 10% owner | BUY | $5.02 | 720,000 | $3,616,632 | 87,500,195 |
| 2026-08-12 22:00 | 2026-08-10 | ACDC | ProFrac Holding Corp. | Wilks Matthew | Director, Officer | BUY | $5.02 | 80,000 | $401,848 | 502,097 |
| 2026-08-11 20:32 | 2026-08-10 | RNGR | Ranger Energy Services, Inc. | Hooker J. Matt | Officer | SELL | $16.63 | 11,620 | $193,241 | 87,528 |
| 2026-08-10 20:34 | 2026-08-07 | OII | OCEANEERING INTERNATIONAL INC | MURPHY PAUL B JR | Director | SELL | $48.37 | 10,000 | $483,690 | 68,916 |
| 2026-08-05 20:40 | 2026-08-04 | PUMP | ProPetro Holding Corp. | Lawrence G Larry | Director | SELL | $11.16 | 35,831 | $399,874 | 28,181 |
| 2026-08-05 20:40 | 2026-08-04 | PUMP | ProPetro Holding Corp. | Munoz Adam | Officer | SELL | $11.17 | 70,696 | $789,674 | 148,691 |
| 2026-08-04 23:24 | 2026-08-03 | LBRT | Liberty Energy Inc. | Stock Michael | Officer | SELL | $18.98 | 6,666 | $126,487 | 767,045 |
| 2026-08-04 14:40 | 2026-07-31 | CLB | Core Laboratories Inc. /DE/ | Bruno Lawrence | Director, Officer | BUY | $10.78 | 5,000 | $53,900 | 262,438 |
| 2026-07-31 20:54 | 2026-07-30 | OII | OCEANEERING INTERNATIONAL INC | Childress Earl | Officer | SELL | $46.71 | 12,701 | $593,315 | 22,876 |
| 2026-07-31 20:55 | 2026-07-30 | OII | OCEANEERING INTERNATIONAL INC | MCEVOY M KEVIN | Director | SELL | $47.93 | 3,000 | $143,775 | 134,133 |
| 2026-07-31 20:55 | 2026-07-30 | OII | OCEANEERING INTERNATIONAL INC | DYER CHRISTOPHER J | Officer | SELL | $47.65 | 1,200 | $57,180 | 14,702 |
| 2026-07-30 21:04 | 2026-07-28 | LBRT | Liberty Energy Inc. | Murti Arjun N | Director | BUY | $17.79 | 14,053 | $250,009 | 41,621 |
| 2026-07-24 20:24 | 2026-07-23 | RNGR | Ranger Energy Services, Inc. | Hooker J. Matt | Officer | SELL | $16.50 | 1,291 | $21,302 | 99,148 |
| 2026-07-15 20:32 | 2026-07-13 | RNGR | Ranger Energy Services, Inc. | Hooker J. Matt | Officer | SELL | $16.50 | 2,269 | $37,439 | 100,439 |
| 2026-07-01 21:13 | 2026-07-01 | LBRT | Liberty Energy Inc. | Stock Michael | Officer | SELL | $25.89 | 9,999 | $258,874 | 773,711 |
| 2026-07-01 20:46 | 2026-06-30 | OII | OCEANEERING INTERNATIONAL INC | GOODWIN DEANNA L | Director | SELL | $40.69 | 7,000 | $284,830 | 35,905 |
| 2026-06-29 20:43 | 2026-06-25 | NESR | National Energy Services Reunited Corp. | Al-Nowais Yousif Mohammed Ali Nasser | Director | SELL | $26.80 | 1,919,594 | $51,445,119 | 229,198 |
| 2026-06-24 20:32 | 2026-06-22 | WBI | WaterBridge Infrastructure LLC | DEVON ENERGY CORP/DE | 10% owner | SELL | $30.05 | 1,755,174 | $52,742,979 | 0 |
| 2026-06-22 20:26 | 2026-06-17 | TUSK | MAMMOTH ENERGY SERVICES, INC. | WEXFORD CAPITAL LP | Director, Officer, 10% owner | BUY | $2.60 | 4,019,574 | $10,468,177 | 10,620,789 |
| 2026-06-22 23:35 | 2026-06-22 | WBI | WaterBridge Infrastructure LLC | Capobianco David N | Director, 10% owner | SELL | $30.05 | 5,894,826 | $177,139,521 | 1,980,921 |
| 2026-06-22 23:42 | 2026-06-22 | WBI | WaterBridge Infrastructure LLC | WBR Holdings LLC | 10% owner | SELL | $30.05 | 5,894,826 | $177,139,521 | 1,980,921 |
| 2026-06-22 23:45 | 2026-06-22 | WBI | WaterBridge Infrastructure LLC | WaterBridge Resources LLC | 10% owner | SELL | $30.05 | 5,894,826 | $177,139,521 | 1,980,921 |
| 2026-06-22 15:24 | 2026-06-18 | HAL | HALLIBURTON CO | Carre Eric | Officer | SELL | $35.89 | 24,778 | $889,282 | 148,520 |
| 2026-06-16 20:45 | 2026-06-12 | NESR | National Energy Services Reunited Corp. | Al-Nowais Yousif Mohammed Ali Nasser | Director | SELL | $26.31 | 1,401,450 | $36,878,316 | 2,148,792 |
| 2026-06-15 20:28 | 2026-06-11 | TUSK | MAMMOTH ENERGY SERVICES, INC. | Amron Arthur H | Director | BUY | $3.25 | 4,500 | $14,610 | 67,135 |
| 2026-06-10 21:17 | 2026-06-08 | NESR | National Energy Services Reunited Corp. | Al-Nowais Yousif Mohammed Ali Nasser | Director | SELL | $25.53 | 5,726 | $146,189 | 3,550,242 |
| 2026-06-03 20:58 | 2026-06-03 | XPRO | EXPRO GROUP HOLDINGS N.V. | Whelley Eileen Goss | Director | SELL | $15.14 | 6,168 | $93,399 | 47,648 |
| 2026-06-03 21:04 | 2026-06-03 | XPRO | EXPRO GROUP HOLDINGS N.V. | TROE LISA L | Director | SELL | $15.14 | 6,168 | $93,399 | 47,648 |
| 2026-06-02 22:18 | 2026-06-01 | LBRT | Liberty Energy Inc. | Stock Michael | Officer | SELL | $29.77 | 16,665 | $496,084 | 783,710 |
| 2026-05-28 20:34 | 2026-05-26 | TUSK | MAMMOTH ENERGY SERVICES, INC. | Amron Arthur H | Director | BUY | $3.25 | 5,500 | $17,850 | 62,635 |
| 2026-05-28 00:39 | 2026-05-22 | NESR | National Energy Services Reunited Corp. | Al-Nowais Yousif Mohammed Ali Nasser | Director | SELL | $26.13 | 699,888 | $18,285,904 | 3,555,968 |
| 2026-05-27 21:30 | 2026-05-27 | SLB | SLB LIMITED/NV | Le Peuch Olivier | Director, Officer | SELL | $56.99 | 25,000 | $1,424,750 | 1,366,328 |
| 2026-05-22 20:05 | 2026-05-20 | PUMP | ProPetro Holding Corp. | EXXON MOBIL CORP | 10% owner | SELL | $16.66 | 16,600,000 | $276,556,000 | 0 |
| 2026-05-22 21:14 | 2026-05-20 | NESR | National Energy Services Reunited Corp. | Al-Nowais Yousif Mohammed Ali Nasser | Director | SELL | $26.14 | 573,544 | $14,992,440 | 4,255,856 |
| 2026-05-22 00:48 | 2026-05-19 | WTTR | Select Water Solutions, Inc. | Crestview Partners II GP, L.P. | 10% owner | SELL | $18.92 | 3,250,000 | $61,490,000 | 0 |
| 2026-05-20 22:11 | 2026-05-18 | NESR | National Energy Services Reunited Corp. | Al-Nowais Yousif Mohammed Ali Nasser | Director | SELL | $26.06 | 224,068 | $5,839,459 | 4,829,400 |
| 2026-05-20 21:32 | 2026-05-20 | LBRT | Liberty Energy Inc. | Stock Michael | Officer | SELL | $33.48 | 19,998 | $669,533 | 800,375 |
| 2026-05-19 21:15 | 2026-05-18 | OII | OCEANEERING INTERNATIONAL INC | LARSON RODERICK A. | Director, Officer | SELL | $38.27 | 5,000 | $191,350 | 397,279 |
| 2026-05-18 21:29 | 2026-05-14 | WTTR | Select Water Solutions, Inc. | Burnett Richard Alan | Director | SELL | $18.74 | 65,000 | $1,217,905 | 71,578 |
| 2026-05-18 19:24 | 2026-05-15 | HAL | HALLIBURTON CO | Beckwith Van H. | Officer | SELL | $41.29 | 198,349 | $8,189,830 | 146,186 |
| 2026-05-15 22:56 | 2026-05-13 | NESR | National Energy Services Reunited Corp. | Al-Nowais Yousif Mohammed Ali Nasser | Director | SELL | $26.72 | 304,928 | $8,146,548 | 5,053,468 |
| 2026-05-14 20:59 | 2026-05-12 | OII | OCEANEERING INTERNATIONAL INC | MCDONALD MARTIN J | Officer | SELL | $38.43 | 70,000 | $2,690,135 | 49,229 |
| 2026-05-13 01:35 | 2026-05-11 | WTTR | Select Water Solutions, Inc. | Skarke Michael | Officer | SELL | $17.40 | 110,000 | $1,913,505 | 360,738 |
| 2026-05-13 01:32 | 2026-05-11 | WTTR | Select Water Solutions, Inc. | Szymanski Brian | Officer | SELL | $17.04 | 20,000 | $340,800 | 114,752 |
| 2026-05-08 22:24 | 2026-05-08 | WTTR | Select Water Solutions, Inc. | Fielder Robin H | Director | SELL | $16.80 | 27,010 | $453,768 | 43,315 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Oil & Gas Field Services, NEC sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (1389) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Oil & Gas Field Services, NEC
Every transaction in the Oil & Gas Field Services, 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.