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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-26 19:19 | 2026-01-23 | HAL | HALLIBURTON CO | Miller Jeffrey Allen | Director, Officer | OPT+S | $34.96 | 171,200 | $5,985,152 | 1,101,243 |
| 2026-01-12 23:37 | 2026-01-09 | HAL | HALLIBURTON CO | Slocum Jeffrey Shannon | Director, Officer | SELL | $32.30 | 23,895 | $771,809 | 187,423 |
| 2026-01-12 23:33 | 2026-01-09 | HAL | HALLIBURTON CO | Beckwith Van H. | Officer | SELL | $32.30 | 17,798 | $574,875 | 344,535 |
| 2026-01-07 14:15 | 2026-01-06 | WBI | WaterBridge Infrastructure LLC | Reitz Michael Howard JR | Officer | BUY | $20.49 | 4,865 | $99,684 | 99,865 |
| 2026-01-07 14:15 | 2026-01-06 | WBI | WaterBridge Infrastructure LLC | McNeely Scott Lloyd | Officer | BUY | $19.56 | 1,278 | $24,998 | 76,278 |
| 2026-01-07 14:15 | 2026-01-05 | WBI | WaterBridge Infrastructure LLC | Long Jason Thomas | Director, Officer | BUY | $19.84 | 5,000 | $99,200 | 142,500 |
| 2026-01-07 14:15 | 2026-01-05 | WBI | WaterBridge Infrastructure LLC | Bolling Harrison Fenner | Officer | BUY | $19.98 | 2,000 | $39,960 | 72,000 |
| 2026-01-07 00:47 | 2026-01-05 | OII | OCEANEERING INTERNATIONAL INC | Simons Jennifer Fremont | Officer | SELL | $26.35 | 29,155 | $768,088 | 52,344 |
| 2026-01-06 19:21 | 2026-01-05 | HAL | HALLIBURTON CO | Pope Lawrence J | Officer | SELL | $32.25 | 100,000 | $3,225,000 | 419,800 |
| 2025-12-17 01:31 | 2025-12-16 | KLXE | KLX Energy Services Holdings, Inc. | Bouthillette Max | Officer | BUY | $1.67 | 16,500 | $27,555 | 142,865 |
| 2025-12-16 00:03 | 2025-12-12 | KLXE | KLX Energy Services Holdings, Inc. | Stanford Geoffrey C | Officer | BUY | $1.90 | 50,000 | $95,200 | 77,262 |
| 2025-12-16 01:04 | 2025-12-11 | TUSK | MAMMOTH ENERGY SERVICES, INC. | Amron Arthur H | Director | BUY | $1.89 | 10,000 | $18,900 | 57,135 |
| 2025-12-12 16:39 | 2025-12-10 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $33.35 | 20,000 | $667,000 | 275,432 |
| 2025-12-10 17:03 | 2025-12-08 | NGS | NATURAL GAS SERVICES GROUP INC | HOLLEY JEAN K | Director | BUY | $32.04 | 2,190 | $70,168 | 14,390 |
| 2025-12-09 19:03 | 2025-12-08 | NGS | NATURAL GAS SERVICES GROUP INC | HOLLEY JEAN K | Director | BUY | $32.00 | 935 | $29,920 | 12,200 |
| 2025-12-08 22:46 | 2025-12-05 | HAL | HALLIBURTON CO | Beckwith Van H. | Officer | SELL | $27.89 | 8,854 | $246,938 | 333,528 |
| 2025-12-09 00:46 | 2025-12-04 | WTTR | Select Water Solutions, Inc. | Schmitz John | Director, Officer | SELL | $11.17 | 281,493 | $3,142,869 | 31,373 |
| 2025-12-05 18:51 | 2025-12-04 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $32.12 | 20,000 | $642,400 | 295,432 |
| 2025-12-02 18:04 | 2025-11-26 | SLB | SLB LIMITED/NV | Coleman Peter John | Director | SELL | $35.82 | 5,500 | $197,010 | 18,671 |
| 2025-11-21 00:17 | 2025-11-19 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $30.84 | 20,000 | $616,800 | 315,432 |
| 2025-11-19 00:11 | 2025-11-17 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $31.01 | 10,000 | $310,069 | 335,432 |
| 2025-11-15 00:14 | 2025-11-14 | PUMP | ProPetro Holding Corp. | Munoz Adam | Officer | SELL | $10.14 | 17,230 | $174,712 | 71,146 |
| 2025-11-15 01:37 | 2025-11-13 | SLB | SLB LIMITED/NV | Biguet Stephane | Officer | SELL | $36.75 | 38,447 | $1,412,927 | 175,690 |
| 2025-11-13 22:14 | 2025-11-12 | HAL | HALLIBURTON CO | Richard Mark | Officer | SELL | $27.77 | 160,000 | $4,443,200 | 452,374 |
| 2025-11-14 02:07 | 2025-11-10 | WTTR | Select Water Solutions, Inc. | Schmitz John | Director, Officer | SELL | $11.07 | 313,867 | $3,474,225 | 36,634 |
| 2025-11-13 01:07 | 2025-11-11 | SLB | SLB LIMITED/NV | Merad Abdellah | Officer | SELL | $37.69 | 60,000 | $2,261,400 | 159,371 |
| 2025-11-12 18:14 | 2025-11-10 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $29.77 | 18,748 | $558,087 | 345,432 |
| 2025-11-08 00:52 | 2025-11-06 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $29.06 | 11,252 | $326,954 | 364,180 |
| 2025-11-06 00:27 | 2025-11-05 | NCSM | NCS Multistage Holdings, Inc. | Nipper Robert | Director | SELL | $40.00 | 1,000 | $40,000 | 33,455 |
| 2025-11-05 00:09 | 2025-11-03 | NCSM | NCS Multistage Holdings, Inc. | Nipper Robert | Director | SELL | $40.00 | 3,147 | $125,880 | 88,596 |
| 2025-11-05 00:20 | 2025-11-03 | HLX | HELIX ENERGY SOLUTIONS GROUP INC | Sparks Scott Andrew | Officer | SELL | $6.88 | 40,000 | $275,160 | 301,042 |
| 2025-11-04 00:03 | 2025-10-31 | PUMP | ProPetro Holding Corp. | Lawrence G Larry | Director | SELL | $10.84 | 27,000 | $292,680 | 35,831 |
| 2025-11-04 00:02 | 2025-10-31 | PUMP | ProPetro Holding Corp. | Vion Michele | Director | SELL | $10.64 | 6,916 | $73,586 | 45,029 |
| 2025-09-26 22:49 | 2025-09-26 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $28.50 | 7,915 | $225,586 | 375,432 |
| 2025-09-25 23:29 | 2025-09-25 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $28.50 | 759 | $21,632 | 383,347 |
| 2025-09-24 23:33 | 2025-09-24 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $28.50 | 1,326 | $37,791 | 384,106 |
| 2025-09-23 23:13 | 2025-09-23 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $27.95 | 11,457 | $320,215 | 385,432 |
| 2025-09-23 01:05 | 2025-09-18 | WBI | WaterBridge Infrastructure LLC | DAILY GREGORY S | Director | BUY | $20.00 | 75,000 | $1,500,000 | 75,000 |
| 2025-09-23 01:07 | 2025-09-18 | WBI | WaterBridge Infrastructure LLC | CRANE JAMES R | Director | BUY | $20.00 | 300,000 | $6,000,000 | 100,000 |
| 2025-09-20 00:48 | 2025-09-17 | RNGR | Ranger Energy Services, Inc. | Agee Brett T. | Director | SELL | $14.51 | 14,014 | $203,343 | 987,791 |
| 2025-09-20 00:49 | 2025-09-19 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $27.50 | 63 | $1,733 | 396,889 |
| 2025-09-18 23:29 | 2025-09-18 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $27.50 | 1,638 | $45,046 | 396,952 |
| 2025-09-17 23:37 | 2025-09-17 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $27.51 | 6,553 | $180,253 | 398,590 |
| 2025-09-17 03:00 | 2025-09-15 | RNGR | Ranger Energy Services, Inc. | Agee Brett T. | Director | SELL | $14.46 | 43,389 | $627,457 | 1,001,805 |
| 2025-09-16 23:42 | 2025-09-16 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $27.50 | 289 | $7,948 | 405,143 |
| 2025-09-13 00:28 | 2025-09-12 | SLB | SLB LIMITED/NV | Ralston Dianne B. | Officer | SELL | $36.08 | 39,727 | $1,433,350 | 202,201 |
| 2025-09-10 00:00 | 2025-09-08 | ACDC | ProFrac Holding Corp. | Wilks Matthew | Director, Officer | BUY | $3.80 | 43,297 | $164,576 | 422,097 |
| 2025-09-05 00:22 | 2025-09-04 | NGS | NATURAL GAS SERVICES GROUP INC | Taylor Stephen Charles | Director | SELL | $27.00 | 10,000 | $270,018 | 403,334 |
| 2025-09-04 19:03 | 2025-09-04 | NGS | NATURAL GAS SERVICES GROUP INC | HOLLEY JEAN K | Director | BUY | $26.58 | 3,752 | $99,724 | 7,800 |
| 2025-09-03 23:30 | 2025-09-02 | OII | OCEANEERING INTERNATIONAL INC | MURPHY PAUL B JR | Director | SELL | $24.25 | 10,000 | $242,500 | 74,340 |
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.