Basic Materials
Exclusive insider sentiment analysis for the Basic Materials sector. Track real-time Director purchases and institutional money flow to identify high-conviction opportunities before the market reacts.
| Filing Date | Trade Date | Ticker | Company Name | Reporting Person | Relationship | Industry | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-18 23:43 | 2026-05-15 | IAUX | i-80 Gold Corp. | Yopps Steven W. | Director | Gold | BUY | $1.47 | 50,000 | $73,500 | 50,000 | +100.0% |
| 2026-05-18 21:04 | 2026-05-14 | AIAI | AIAI Holdings Corp | Liebman Stephanie | Officer; EVP/CFO | Specialty Chemicals | SALE | $13.56 | 38,503 | $522,239 | 154,014 | -20.0% |
| 2026-05-18 20:40 | 2026-05-14 | SNES | SenesTech, Inc. | Edell Michael | Director, Officer; Chief Executive Officer | Specialty Chemicals | BUY | $1.67 | 3,000 | $5,013 | 3,000 | +100.0% |
| 2026-05-18 20:33 | 2026-05-15 | AMRZ | Amrize Ltd | Jenisch Jan Philipp | Director, Officer; Chairman & CEO | Building Materials | BUY | $49.53 | 28,417 | $1,407,571 | 512,000 | +5.9% |
| 2026-05-18 19:12 | 2026-05-18 | KRO | KRONOS WORLDWIDE INC | Kramer Kevin B | Director | Specialty Chemicals | BUY | $6.75 | 14,601 | $98,510 | 44,411 | +49.0% |
| 2026-05-18 18:41 | 2026-05-15 | SCCO | SOUTHERN COPPER CORP/ | PALOMINO BONILLA LUIS MIGUEL | Director | Copper | SALE | $178.20 | 100 | $17,820 | 2,007 | -4.7% |
| 2026-05-18 15:07 | 2026-05-14 | CSTM | CONSTELLIUM SE | Jarrett Martin | Officer; SVP Chief Innovation Officer | Aluminum | SALE | $33.46 | 4,716 | $157,797 | 15,375 | -23.5% |
| 2026-05-18 15:13 | 2026-05-14 | CSTM | CONSTELLIUM SE | Soultz Bradley Lee | Director | Aluminum | BUY | $33.84 | 2,500 | $84,600 | 2,500 | +100.0% |
| 2026-05-18 13:58 | 2026-05-14 | MTX | MINERALS TECHNOLOGIES INC | DIETRICH DOUGLAS T | Director, Officer; CHAIRMAN AND CEO | Specialty Chemicals | OPT+S | $81.53 | 21,568 | $1,758,422 | 175,973 | -10.9% |
| 2026-05-18 10:07 | 2026-05-14 | TGLS | Tecnoglass Inc. | Energy Holding Corp | 10% owner | Building Materials | BUY | $40.51 | 100,000 | $4,050,580 | 20,831,985 | +0.5% |
| 2026-05-15 20:24 | 2026-05-11 | SSL | SASOL LTD | Pillay Sarushen Dhanapalan | Officer; EVP, Business Building | Specialty Chemicals | SALE | $13.14 | 2,182 | $28,678 | 16,313 | -11.8% |
| 2026-05-15 20:09 | 2026-05-13 | LYB | LyondellBasell Industries N.V. | Kaplan Jeffrey A | Officer; EVP, Chief PC, Leg & Corp Ofc | Specialty Chemicals | SALE | $74.16 | 10,000 | $741,573 | 96,674 | -9.4% |
| 2026-05-16 00:49 | 2026-05-12 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | Coking Coal | BUY | $189.22 | 15,000 | $2,838,326 | 975,394 | +1.6% |
| 2026-05-15 23:10 | 2026-05-12 | MERC | MERCER INTERNATIONAL INC. | KELLOGG PETER R | 10% owner | Paper & Paper Products | BUY | $0.87 | 300,000 | $262,410 | 1,257,000 | +31.3% |
| 2026-05-15 21:49 | 2026-05-13 | PRM | Perimeter Solutions, Inc. | Emery Jeffrey | Officer; President - Global Fire Safety | Specialty Chemicals | OPT+S | $33.45 | 53,537 | $1,790,813 | 0 | -100.0% |
| 2026-05-15 21:49 | 2026-05-13 | PRM | Perimeter Solutions, Inc. | Sable Kyle | Officer; Chief Financial Officer | Specialty Chemicals | OPT+S | $33.09 | 49,540 | $1,639,066 | 0 | -100.0% |
| 2026-05-15 20:41 | 2026-05-13 | GGB | GERDAU S.A. | Metz Mauricio | Other | Steel | SALE | $4.85 | 5,000 | $24,250 | 34,536 | -12.6% |
| 2026-05-15 19:53 | 2026-05-13 | MTRN | MATERION Corp | KHILNANI VINOD M | Director | Other Industrial Metals & Mining | SALE | $207.00 | 2,500 | $517,498 | 13,171 | -16.0% |
| 2026-05-15 19:04 | 2026-05-13 | STLD | STEEL DYNAMICS INC | Graham Christopher A | Officer; Senior Vice President | Steel | SALE | $236.81 | 9,000 | $2,131,290 | 68,747 | -11.6% |
| 2026-05-15 17:21 | 2026-05-14 | HDSN | HUDSON TECHNOLOGIES INC /NY | Parrillo Richard | Director | Specialty Chemicals | BUY | $4.96 | 5,000 | $24,814 | 25,595 | +24.3% |
| 2026-05-15 17:25 | 2026-05-14 | HDSN | HUDSON TECHNOLOGIES INC /NY | Mansy Loan Nguyen | Director | Specialty Chemicals | BUY | $4.96 | 5,000 | $24,814 | 25,595 | +24.3% |
| 2026-05-15 16:36 | 2026-05-13 | HDSN | HUDSON TECHNOLOGIES INC /NY | Gaglione Kenneth | Director, Officer; President and CEO | Specialty Chemicals | BUY | $4.90 | 5,000 | $24,475 | 5,000 | +100.0% |
| 2026-05-15 16:36 | 2026-05-14 | HDSN | HUDSON TECHNOLOGIES INC /NY | Feeler Jeffrey R | Director | Specialty Chemicals | BUY | $4.92 | 5,100 | $25,092 | 9,165 | +125.5% |
| 2026-05-15 16:38 | 2026-05-13 | HDSN | HUDSON TECHNOLOGIES INC /NY | Sheriff Alan | Director | Specialty Chemicals | BUY | $4.88 | 5,200 | $25,350 | 9,265 | +127.9% |
| 2026-05-15 16:39 | 2026-05-13 | HDSN | HUDSON TECHNOLOGIES INC /NY | Prouty Eric A | Director | Specialty Chemicals | BUY | $4.84 | 5,000 | $24,200 | 153,852 | +3.4% |
| 2026-05-15 16:40 | 2026-05-14 | HDSN | HUDSON TECHNOLOGIES INC /NY | Bulgarino Nicole E | Director | Specialty Chemicals | BUY | $4.85 | 550 | $2,665 | 11,048 | +5.2% |
| 2026-05-15 11:24 | 2026-05-13 | CMCL | Caledonia Mining Corp Plc | Ndlovu July | Director | Gold | BUY | $24.81 | 15,000 | $372,150 | 229,089 | +7.0% |
| 2026-05-14 23:53 | 2026-05-12 | MP | MP Materials Corp. / DE | Litinsky James H. | Director, Officer; Chairman and CEO | Other Industrial Metals & Mining | SALE | $65.45 | 300,000 | $19,634,370 | 12,205,965 | -2.4% |
| 2026-05-14 23:26 | 2026-05-12 | IPI | Intrepid Potash, Inc. | Lancaster Lori A | Director | Agricultural Inputs | SALE | $45.24 | 4,800 | $217,150 | 10,540 | -31.3% |
| 2026-05-14 21:41 | 2026-05-13 | LODE | Comstock Inc. | Pei Steven Yu-Tsung | Director | Other Precious Metals & Mining | BUY | $3.38 | 424,559 | $1,436,877 | 1,530,980 | +38.4% |
| 2026-05-14 21:03 | 2026-05-13 | ECL | ECOLAB INC. | MacLennan David | Director | Specialty Chemicals | BUY | $250.65 | 1,000 | $250,650 | 25,230 | +4.1% |
| 2026-05-14 20:36 | 2026-05-13 | BCC | BOISE CASCADE Co | Twedt Jill | Officer; SVP General Counsel & Corp Sec | Lumber & Wood Production | SALE | $66.45 | 6,070 | $403,352 | 26,545 | -18.6% |
| 2026-05-14 20:15 | 2026-05-12 | ALTO | Alto Ingredients, Inc. | NATHAN GILBERT E | Director | Specialty Chemicals | BUY | $4.58 | 25,000 | $114,450 | 774,741 | +3.3% |
| 2026-05-14 20:02 | 2026-05-13 | KOP | Koppers Holdings Inc. | BALL M LEROY | Director, Officer; CEO | Specialty Chemicals | SALE | $42.55 | 2,659 | $113,140 | 444,096 | -0.6% |
| 2026-05-14 14:27 | 2026-05-12 | STLD | STEEL DYNAMICS INC | Poinsatte Richard A | Officer; Senior Vice President | Steel | SALE | $234.11 | 2,300 | $538,453 | 28,618 | -7.4% |
| 2026-05-14 00:40 | 2026-05-12 | AUGO | Aura Minerals Inc. | Sousa Mauad Bruno | Director | Gold | SALE | $83.95 | 38,384 | $3,222,337 | 576,973 | -6.2% |
| 2026-05-14 00:44 | 2026-05-11 | AUGO | Aura Minerals Inc. | Barbosa Rodrigo Cardoso | Officer; President and CEO | Gold | SALE | $82.00 | 115,000 | $9,430,449 | 739,745 | -13.5% |
| 2026-05-13 21:45 | 2026-05-12 | CSTM | CONSTELLIUM SE | Piquier Ludovic | Officer; SVP Manuf Excellence & CTO | Aluminum | SALE | $33.57 | 1,000 | $33,570 | 241,713 | -0.4% |
| 2026-05-13 20:16 | 2026-05-11 | MNTK | Montauk Renewables, Inc. | Copelyn John A | Director | Specialty Chemicals | BUY | $1.45 | 17,506 | $25,384 | 17,506 | +100.0% |
| 2026-05-13 13:26 | 2026-05-11 | MTX | MINERALS TECHNOLOGIES INC | JORDAN TIMOTHY | Officer; Vice President | Specialty Chemicals | SALE | $80.27 | 6,000 | $481,648 | 1,279 | -82.4% |
| 2026-05-12 20:19 | 2026-05-12 | LODE | Comstock Inc. | DEGASPERIS CORRADO | Director, Officer; CEO | Other Precious Metals & Mining | BUY | $2.89 | 35,000 | $101,150 | 170,818 | +25.8% |
| 2026-05-12 23:12 | 2026-05-08 | GGB | GERDAU S.A. | Da Cunha Gustavo Werneck | Officer; CEO and Board Member | Steel | SALE | $4.87 | 432,854 | $2,107,999 | 0 | -100.0% |
| 2026-05-12 21:31 | 2026-05-08 | PRM | Perimeter Solutions, Inc. | Sable Kyle | Officer; Chief Financial Officer | Specialty Chemicals | OPT+S | $31.69 | 200,460 | $6,353,439 | 0 | -100.0% |
| 2026-05-12 21:31 | 2026-05-08 | PRM | Perimeter Solutions, Inc. | Emery Jeffrey | Officer; President - Global Fire Safety | Specialty Chemicals | OPT+S | $32.63 | 146,463 | $4,779,205 | 0 | -100.0% |
| 2026-05-12 20:39 | 2026-05-08 | TMQ | Trilogy Metals Inc. | Hensley William L. Iggiagruk | Director | Other Industrial Metals & Mining | OPT+S | $4.44 | 50,000 | $222,000 | 18,531 | -73.0% |
| 2026-05-12 19:46 | 2026-05-08 | MTRN | MATERION Corp | Chadwick Shelly Marie | Officer; Vice President, Finance & CFO | Other Industrial Metals & Mining | OPT+S | $198.88 | 1,192 | $237,065 | 15,246 | -7.3% |
| 2026-05-12 15:06 | 2026-05-08 | CSTM | CONSTELLIUM SE | Corre Stephane | Officer; President, AS&I | Aluminum | SALE | $33.52 | 5,000 | $167,600 | 62,313 | -7.4% |
| 2026-05-12 15:08 | 2026-05-11 | CSTM | CONSTELLIUM SE | Brun Nicolas | Officer; SVP PA, Comm & Sust | Aluminum | SALE | $33.85 | 26,661 | $902,475 | 104,891 | -20.3% |
| 2026-05-11 20:16 | 2026-05-11 | RGLD | ROYAL GOLD INC | Shefman Randy | Officer; SVP & General Counsel | Gold | SALE | $243.74 | 1,000 | $243,740 | 9,082 | -9.9% |
| 2026-05-09 01:21 | 2026-05-08 | MP | MP Materials Corp. / DE | Corbett Ryan | Officer; Chief Financial Officer | Other Industrial Metals & Mining | SALE | $75.00 | 20,000 | $1,500,000 | 109,017 | -15.5% |
Strategic Analysis
Analyzing insider transactions within the Basic Materials sector provides critical insights into institutional sentiment. When multiple executives across different companies in the same industry exhibit similar buying patterns (cluster buying), it often signals an upcoming sector-wide recovery or undervalued market conditions.
Regulatory Transparency
Our platform tracks SEC Form 4 filings in real-time. We differentiate between routine option exercises and open-market purchases to give you a clear view of "Skin in the Game". Understanding the roles of Directors vs. 10% Owners helps prioritize signals that carry the most predictive weight.
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.