Bituminous Coal & Lignite Surface Mining
Standard Industrial Classification: SIC 1221
Industry Insider Sentiment Analysis
The Bituminous Coal & Lignite Surface Mining sector (SIC 1221) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-31 20:27 | 2026-08-28 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $228.99 | 5,000 | $1,144,927 | 1,025,394 |
| 2026-08-28 21:01 | 2026-08-28 | NRP | NATURAL RESOURCE PARTNERS LP | WOOTEN GREGORY F | Officer | SELL | $110.89 | 2,200 | $243,954 | 32,634 |
| 2026-08-25 21:05 | 2026-08-25 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $216.53 | 5,000 | $1,082,665 | 1,020,394 |
| 2026-08-25 19:02 | 2026-08-21 | AMR | Alpha Metallurgical Resources, Inc. | Gorzynski Michael | Director, 10% owner | BUY | $208.92 | 10,000 | $2,089,169 | 654,025 |
| 2026-08-24 20:17 | 2026-08-21 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $210.51 | 15,000 | $3,157,631 | 1,015,394 |
| 2026-08-21 00:43 | 2026-08-20 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $193.50 | 15,000 | $2,902,551 | 1,000,394 |
| 2026-08-20 13:04 | 2026-08-18 | ARLP | ALLIANCE RESOURCE PARTNERS LP | McDaniel Ronna R. | Director | BUY | $25.81 | 70 | $1,800 | 3,070 |
| 2026-08-04 14:11 | 2026-07-31 | ARLP | ALLIANCE RESOURCE PARTNERS LP | McDaniel Ronna R. | Director | BUY | $26.12 | 3,000 | $78,345 | 3,000 |
| 2026-06-17 00:41 | 2026-06-12 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $200.73 | 10,000 | $2,007,296 | 985,394 |
| 2026-06-04 20:50 | 2026-06-03 | AMR | Alpha Metallurgical Resources, Inc. | Whitehead Jason E. | Officer | BUY | $214.94 | 99 | $21,279 | 10,351 |
| 2026-06-04 20:50 | 2026-06-03 | AMR | Alpha Metallurgical Resources, Inc. | Whitehead Jason E. | Officer | SELL | $212.28 | 3,901 | $828,086 | 10,450 |
| 2026-06-02 20:27 | 2026-06-01 | AMR | Alpha Metallurgical Resources, Inc. | Manno Mark Matthew | Officer | SELL | $214.64 | 460 | $98,734 | 3,966 |
| 2026-06-02 20:14 | 2026-06-01 | BTU | PEABODY ENERGY CORP | Jarboe Scott T. | Officer | SELL | $28.02 | 2,925 | $81,959 | 85,295 |
| 2026-05-28 20:32 | 2026-05-26 | NRP | NATURAL RESOURCE PARTNERS LP | Craig Kevin J | Officer | BUY | $102.18 | 336 | $34,332 | 47,019 |
| 2026-05-16 00:49 | 2026-05-12 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $189.22 | 15,000 | $2,838,326 | 975,394 |
| 2026-05-11 20:05 | 2026-05-07 | BTU | PEABODY ENERGY CORP | Bertone Andrea E. | Director | SELL | $24.43 | 4,584 | $111,987 | 41,613 |
| 2026-03-21 00:28 | 2026-03-12 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $191.07 | 8,000 | $1,528,550 | 874,537 |
| 2026-03-16 18:19 | 2026-03-13 | NC | NACCO INDUSTRIES INC | Loveman Elizabeth | Officer | SELL | $51.44 | 1,662 | $85,493 | 14,999 |
| 2026-03-16 13:22 | 2026-03-12 | NC | NACCO INDUSTRIES INC | Loveman Elizabeth | Officer | SELL | $52.04 | 4,053 | $210,936 | 16,661 |
| 2026-03-14 00:12 | 2026-03-11 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $186.87 | 10,000 | $1,868,707 | 866,537 |
| 2026-03-12 23:57 | 2026-03-10 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $181.84 | 15,000 | $2,727,674 | 856,537 |
| 2026-03-12 01:45 | 2026-03-09 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $176.23 | 25,000 | $4,405,650 | 841,537 |
| 2026-03-09 20:21 | 2026-03-05 | AMR | Alpha Metallurgical Resources, Inc. | Horn Daniel E. | Officer | SELL | $170.05 | 971 | $165,119 | 7,320 |
| 2026-03-09 21:26 | 2026-03-09 | NC | NACCO INDUSTRIES INC | Maxwell Thomas A | Officer | SELL | $48.55 | 1,785 | $86,662 | 5,944 |
| 2026-03-07 00:05 | 2026-03-04 | BTU | PEABODY ENERGY CORP | Spurbeck Mark | Officer | SELL | $35.58 | 30,000 | $1,067,400 | 68,394 |
| 2026-03-06 01:35 | 2026-03-04 | AMR | Alpha Metallurgical Resources, Inc. | Munsey Joshua Todd | Officer | SELL | $183.24 | 2,523 | $462,315 | 4,735 |
| 2026-02-13 00:11 | 2026-02-10 | BTU | PEABODY ENERGY CORP | Yeates Darren Ronald | Officer | SELL | $36.40 | 13,892 | $505,669 | 113,440 |
| 2026-01-17 00:06 | 2026-01-14 | BTU | PEABODY ENERGY CORP | Jarboe Scott T. | Officer | SELL | $34.26 | 2,151 | $73,693 | 82,306 |
| 2025-12-18 00:53 | 2025-12-15 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $188.16 | 9,000 | $1,693,441 | 816,537 |
| 2025-12-17 22:39 | 2025-12-15 | AMR | Alpha Metallurgical Resources, Inc. | Gorzynski Michael | Director, 10% owner | BUY | $188.50 | 38,576 | $7,271,495 | 644,025 |
| 2025-12-17 02:44 | 2025-12-09 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $180.92 | 37,000 | $6,694,203 | 807,537 |
| 2025-12-16 04:50 | 2025-12-11 | AMR | Alpha Metallurgical Resources, Inc. | Horn Daniel E. | Officer | SELL | $188.32 | 8,125 | $1,530,118 | 4,989 |
| 2025-12-13 04:10 | 2025-12-10 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $181.32 | 15,000 | $2,719,848 | 785,537 |
| 2025-12-11 03:27 | 2025-12-08 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $175.26 | 36,000 | $6,309,389 | 770,537 |
| 2025-11-13 19:19 | 2025-11-12 | NC | NACCO INDUSTRIES INC | Loveman Elizabeth | Officer | SELL | $49.94 | 1,897 | $94,745 | 18,172 |
| 2025-11-12 22:42 | 2025-11-10 | NC | NACCO INDUSTRIES INC | Loveman Elizabeth | Officer | SELL | $45.22 | 2,997 | $135,526 | 20,069 |
| 2025-09-18 04:43 | 2025-09-12 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $148.55 | 108,000 | $16,043,389 | 734,537 |
| 2025-09-11 00:00 | 2025-09-08 | NRP | NATURAL RESOURCE PARTNERS LP | WOOTEN GREGORY F | Officer | SELL | $100.24 | 8,607 | $862,743 | 28,656 |
| 2025-09-05 23:57 | 2025-09-04 | NC | NACCO INDUSTRIES INC | Loveman Elizabeth | Officer | SELL | $39.18 | 3,208 | $125,695 | 23,066 |
| 2025-08-14 23:34 | 2025-08-12 | AMR | Alpha Metallurgical Resources, Inc. | Whitehead Jason E. | Officer | SELL | $161.84 | 12,004 | $1,942,781 | 9,673 |
| 2025-08-14 23:28 | 2025-08-12 | AMR | Alpha Metallurgical Resources, Inc. | Munsey Joshua Todd | Officer | SELL | $157.00 | 2,135 | $335,195 | 4,466 |
| 2025-05-22 23:17 | 2025-05-21 | NC | NACCO INDUSTRIES INC | Maxwell Thomas A | Officer | SELL | $36.18 | 4,123 | $149,180 | 6,155 |
| 2025-03-18 13:01 | 2025-03-14 | ARLP | Alliance Resource Partners, L.P. | Whelan Timothy J | Officer | SELL | $25.13 | 50,000 | $1,256,500 | 93,850 |
| 2025-03-05 00:35 | 2025-03-03 | BTU | PEABODY ENERGY CORP | Jarboe Scott T. | Officer | SELL | $14.22 | 2,018 | $28,696 | 77,619 |
| 2025-02-26 00:15 | 2025-02-24 | BTU | PEABODY ENERGY CORP | Grech James C. | Director, Officer | BUY | $14.97 | 6,684 | $100,059 | 333,030 |
| 2024-12-18 03:40 | 2024-12-13 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | SELL | $228.73 | 10,621 | $2,429,301 | 603,342 |
| 2024-12-18 05:22 | 2024-12-13 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | BUY | $228.73 | 10,621 | $2,429,301 | 624,584 |
| 2024-12-14 00:27 | 2024-12-11 | ARLP | Alliance Resource Partners, L.P. | Whelan Timothy J | Officer | SELL | $26.58 | 40,000 | $1,063,200 | 117,946 |
| 2024-12-04 17:50 | 2024-12-02 | ARLP | Alliance Resource Partners, L.P. | Whelan Timothy J | Officer | SELL | $28.00 | 10,000 | $280,000 | 157,946 |
| 2024-11-09 00:18 | 2024-11-06 | BTU | PEABODY ENERGY CORP | Spurbeck Mark | Officer | SELL | $29.52 | 10,000 | $295,200 | 65,710 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Bituminous Coal & Lignite Surface Mining sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (1221) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Bituminous Coal & Lignite Surface Mining
Every transaction in the Bituminous Coal & Lignite Surface Mining 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.