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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-17 21:21 | 2026-08-13 | CMCL | Caledonia Mining Corp Plc | Ndlovu July | Director | Gold | BUY | $23.03 | 21,400 | $492,842 | 250,489 | +9.3% |
| 2026-08-17 20:54 | 2026-08-14 | SNES | SenesTech, Inc. | Edell Michael | Director, Officer; Chief Executive Officer | Specialty Chemicals | BUY | $1.21 | 1,000 | $1,210 | 6,000 | +20.0% |
| 2026-08-17 20:10 | 2026-08-14 | CE | Celanese Corp | Kyrish Chuck | Officer; SVP & CFO | Chemicals | BUY | $45.52 | 2,300 | $104,698 | 29,114 | +8.6% |
| 2026-08-14 21:36 | 2026-08-12 | JCTC | JEWETT CAMERON TRADING CO LTD | AJB Investment Fund II, LP | 10% owner | Lumber & Wood Production | BUY | $2.90 | 16,978 | $49,299 | 456,350 | +3.9% |
| 2026-08-14 21:06 | 2026-08-12 | NGVT | Ingevity Corp | Li David H | Director, Officer; President & CEO | Specialty Chemicals | SALE | $76.18 | 10,000 | $761,750 | 130,636 | -7.1% |
| 2026-08-14 21:10 | 2026-08-12 | HDSN | HUDSON TECHNOLOGIES INC /NY | Hartree Partners, LP | 10% owner | Specialty Chemicals | BUY | $5.50 | 5,198 | $28,589 | 5,099,388 | +0.1% |
| 2026-08-14 20:35 | 2026-08-13 | WDFC | WD 40 CO | Olsem Patricia Q | Officer; Division President, Americas | Specialty Chemicals | SALE | $234.72 | 200 | $46,944 | 4,574 | -4.2% |
| 2026-08-14 12:55 | 2026-06-08 | GGB | GERDAU S.A. | Mattiello Marcos Zilles | Other | Steel | SALE | $5.11 | 10,387 | $53,078 | 0 | -100.0% |
| 2026-08-14 12:29 | 2026-08-13 | CMC | COMMERCIAL METALS Co | McPherson John R | Director | Steel | BUY | $71.92 | 1,390 | $99,969 | 21,927 | +6.8% |
| 2026-08-13 22:00 | 2026-08-12 | LXU | LSB INDUSTRIES, INC. | Ackerman Jonathan Z. | Director | Chemicals | BUY | $9.89 | 1,000 | $9,890 | 10,252 | +10.8% |
| 2026-08-13 21:15 | 2026-08-11 | CC | Chemours Co | Dignam Denise | Director, Officer; Chief Executive Officer | Specialty Chemicals | BUY | $14.95 | 3,378 | $50,501 | 339,916 | +1.0% |
| 2026-08-13 21:25 | 2026-08-12 | CC | Chemours Co | Familiar Calderon Gerardo | Officer; See Remarks | Specialty Chemicals | BUY | $15.53 | 1,935 | $30,051 | 58,547 | +3.4% |
| 2026-08-13 21:11 | 2026-08-12 | KOP | Koppers Holdings Inc. | Lucas Stephen G | Officer; SVP, Culture and Engagement | Specialty Chemicals | SALE | $44.55 | 1,308 | $58,271 | 34,345 | -3.7% |
| 2026-08-13 20:01 | 2026-08-11 | CE | Celanese Corp | Duffie Ashley B | Officer; SVP & GC | Chemicals | BUY | $45.60 | 600 | $27,360 | 31,925 | +1.9% |
| 2026-08-13 15:46 | 2026-08-11 | AMRZ | Amrize Ltd | Clark Stephen S | Officer; Chief People Officer | Building Materials | BUY | $47.31 | 5,260 | $248,851 | 10,637 | +97.8% |
| 2026-08-13 15:29 | 2026-08-11 | AMRZ | Amrize Ltd | Gross Mario | Officer; Chief Supply Chain Officer | Building Materials | BUY | $46.60 | 3,568 | $166,252 | 38,485 | +10.2% |
| 2026-08-13 15:41 | 2026-08-11 | AMRZ | Amrize Ltd | Brouwer Roald | Officer; Chief Technology Officer | Building Materials | BUY | $46.36 | 1,500 | $69,540 | 21,490 | +7.5% |
| 2026-08-13 15:23 | 2026-08-11 | AMRZ | Amrize Ltd | Hill Jaime | Officer; President, Building Materials | Building Materials | BUY | $47.12 | 1,500 | $70,680 | 29,698 | +5.3% |
| 2026-08-13 15:10 | 2026-08-11 | AMRZ | Amrize Ltd | Oran Baris | Officer; Chief Financial Officer | Building Materials | BUY | $47.26 | 6,000 | $283,530 | 6,000 | +100.0% |
| 2026-08-12 20:01 | 2026-08-10 | DC | Dakota Gold Corp. | Grafton Jennifer S | Director | Gold | OPT+S | $6.12 | 100,000 | $611,690 | 130,900 | -43.3% |
| 2026-08-12 22:29 | 2026-08-11 | KOP | Koppers Holdings Inc. | Sullivan James A. | Officer; President and CTO | Specialty Chemicals | SALE | $50.00 | 7,500 | $375,000 | 82,898 | -8.3% |
| 2026-08-12 22:17 | 2026-08-11 | ALTO | Alto Ingredients, Inc. | NATHAN GILBERT E | Director | Specialty Chemicals | BUY | $4.15 | 50,000 | $207,500 | 856,393 | +6.2% |
| 2026-08-12 21:41 | 2026-08-10 | WDFC | WD 40 CO | Olsem Patricia Q | Officer; Division President, Americas | Specialty Chemicals | SALE | $233.73 | 300 | $70,119 | 4,774 | -5.9% |
| 2026-08-12 20:46 | 2026-08-10 | GGB | GERDAU S.A. | Johannpeter Andre Bier Gerdau | Other | Steel | SALE | $4.94 | 99,200 | $490,048 | 247,380 | -28.6% |
| 2026-08-12 20:11 | 2026-08-11 | CE | Celanese Corp | Murray Mark Christopher | Officer; SVP - Acetyls | Chemicals | BUY | $45.52 | 2,153 | $98,004 | 30,432 | +7.6% |
| 2026-08-12 16:22 | 2026-08-11 | FUL | FULLER H B CO | Weaver Nathan D. | Officer; Exec VP, Business Transform. | Specialty Chemicals | OPT+S | $62.06 | 9,561 | $593,332 | 11,739 | -44.9% |
| 2026-08-12 00:30 | 2026-08-07 | WWR | WESTWATER RESOURCES, INC. | Anderson Karli S. | Director | Other Industrial Metals & Mining | SALE | $0.76 | 50,000 | $38,020 | 790,909 | -5.9% |
| 2026-08-12 00:30 | 2026-08-07 | WWR | WESTWATER RESOURCES, INC. | PAGLIARA TRACY D | Director | Other Industrial Metals & Mining | SALE | $0.61 | 98,000 | $59,800 | 825,888 | -10.6% |
| 2026-08-12 00:19 | 2025-03-07 | CAPS | Capstone Holding Corp. | Strout Gordon Lewis Jr | Director | Building Materials | BUY | $4.00 | 41,500 | $166,000 | 41,500 | +100.0% |
| 2026-08-11 23:14 | 2026-08-07 | RYAM | RAYONIER ADVANCED MATERIALS INC. | PALUMBO LISA M | Director | Chemicals | SALE | $9.13 | 1,931 | $17,634 | 0 | -100.0% |
| 2026-08-11 22:00 | 2026-08-07 | CBT | CABOT CORP | Keohane Sean D | Director, Officer; President and CEO | Specialty Chemicals | OPT+S | $86.41 | 91,923 | $7,942,634 | 404,134 | -18.5% |
| 2026-08-11 21:45 | 2026-08-11 | WLK | WESTLAKE CORP | Chao Albert | Director, Officer; Executive Chairman | Specialty Chemicals | OPT+S | $80.28 | 38,873 | $3,120,775 | 642,880 | -5.7% |
| 2026-08-11 21:43 | 2026-08-07 | SHW | SHERWIN WILLIAMS CO | Jorgenrud Karl J | Officer; President, Glob. Industrial | Specialty Chemicals | OPT+S | $368.30 | 7,886 | $2,904,414 | 11,944 | -39.8% |
| 2026-08-11 21:17 | 2026-08-10 | NWPX | NWPX Infrastructure, Inc. | Wilkins Aaron | Officer; CFO | Steel | SALE | $120.00 | 428 | $51,360 | 25,898 | -1.6% |
| 2026-08-11 21:20 | 2026-08-10 | NWPX | NWPX Infrastructure, Inc. | MONTROSS SCOTT J | Officer; President & CEO | Steel | SALE | $118.74 | 2,500 | $296,848 | 76,129 | -3.2% |
| 2026-08-11 20:58 | 2026-08-11 | ECL | ECOLAB INC. | Cook Gregory B | Officer; Co-COO - Global Businesses | Specialty Chemicals | SALE | $285.13 | 4,567 | $1,302,300 | 11,673 | -28.1% |
| 2026-08-11 20:50 | 2026-08-10 | AUGO | Aura Minerals Inc. | Rosa Luvizotto Glauber | Officer; Chief Operating Officer | Gold | SALE | $75.02 | 50,000 | $3,751,000 | 290,628 | -14.7% |
| 2026-08-11 20:50 | 2026-08-07 | MTRN | MATERION Corp | Chadwick Shelly Marie | Officer; Vice President, Finance & CFO | Other Industrial Metals & Mining | OPT+S | $293.00 | 1,705 | $499,565 | 15,246 | -10.1% |
| 2026-08-11 20:50 | 2026-08-07 | MTRN | MATERION Corp | Solomon Darlene J. S. | Director | Other Industrial Metals & Mining | SALE | $292.22 | 3,705 | $1,082,690 | 26,718 | -12.2% |
| 2026-08-11 20:50 | 2026-08-07 | MTRN | MATERION Corp | Vijayvargiya Jugal K. | Director, Officer; President and CEO | Other Industrial Metals & Mining | OPT+S | $291.62 | 24,336 | $7,096,840 | 116,699 | -17.3% |
| 2026-08-11 20:53 | 2026-08-07 | AUGO | Aura Minerals Inc. | Rosa Luvizotto Glauber | Officer; Chief Operating Officer | Gold | SALE | $70.10 | 50,000 | $3,505,000 | 340,628 | -12.8% |
| 2026-08-11 20:21 | 2026-08-07 | KOP | Koppers Holdings Inc. | Sullivan James A. | Officer; President and CTO | Specialty Chemicals | SALE | $50.01 | 80,000 | $4,000,920 | 90,398 | -46.9% |
| 2026-08-11 20:25 | 2026-08-10 | KOP | Koppers Holdings Inc. | Pearce Bradley A | Officer; CAO | Specialty Chemicals | SALE | $51.01 | 2,000 | $102,020 | 41,037 | -4.6% |
| 2026-08-11 20:10 | 2026-08-07 | CC | Chemours Co | CRANSTON MARY B | Director | Specialty Chemicals | BUY | $15.83 | 6,000 | $94,950 | 113,141 | +5.6% |
| 2026-08-11 20:10 | 2026-08-07 | CC | Chemours Co | Martinko Joseph T. | Officer; See Remarks | Specialty Chemicals | BUY | $15.47 | 1,940 | $30,009 | 55,431 | +3.6% |
| 2026-08-11 20:10 | 2026-08-07 | CC | Chemours Co | Foley Michael Robert | Officer; See Remarks | Specialty Chemicals | BUY | $15.51 | 1,934 | $30,000 | 0 | +100.0% |
| 2026-08-11 20:10 | 2026-08-07 | CC | Chemours Co | Cowan Alister | Director | Specialty Chemicals | BUY | $15.62 | 13,000 | $203,060 | 56,988 | +29.6% |
| 2026-08-11 13:26 | 2026-08-10 | SMG | SCOTTS MIRACLE-GRO CO | Kingdon Mark D | Director | Agricultural Inputs | SALE | $61.65 | 831 | $51,227 | 10,827 | -7.1% |
| 2026-08-11 01:03 | 2026-08-06 | METC | Ramaco Resources, Inc. | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | 10% owner | Coking Coal | SALE | $9.57 | 500,000 | $4,785,000 | 4,811,360 | -9.4% |
| 2026-08-10 23:58 | 2026-08-07 | AUGO | Aura Minerals Inc. | Dos Santos Cardoso Joao Kleber | Officer; CFO and Corporate Secretary | Gold | SALE | $70.03 | 10,000 | $700,300 | 108,111 | -8.5% |
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.