Cement, Hydraulic
Standard Industrial Classification: SIC 3241
Industry Insider Sentiment Analysis
The Cement, Hydraulic sector (SIC 3241) acts as a critical barometer for broader economic health. Our real-time monitoring reveals 310 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-20 22:32 | 2025-11-19 | AMRZ | Amrize Ltd | Gangestad Nicholas C | Director | BUY | $47.34 | 2,000 | $94,680 | 4,958 |
| 2025-11-08 00:21 | 2025-11-05 | EXP | EAGLE MATERIALS INC | Rush David E | Director | BUY | $208.08 | 1,000 | $208,080 | 4,173 |
| 2025-11-06 21:38 | 2025-11-04 | AMRZ | Amrize Ltd | Hill Jaime | Officer | BUY | $50.69 | 4,000 | $202,740 | 18,101 |
| 2025-11-04 20:09 | 2025-10-31 | AMRZ | Amrize Ltd | Brouwer Roald | Officer | BUY | $51.78 | 4,000 | $207,100 | 9,000 |
| 2025-10-31 18:36 | 2025-10-30 | AMRZ | Amrize Ltd | Jenisch Jan Philipp | Director, Officer | BUY | $52.76 | 110,000 | $5,803,600 | 505,000 |
| 2025-08-27 18:21 | 2025-08-27 | AMRZ | Amrize Ltd | Brouwer Roald | Officer | BUY | $51.88 | 2,000 | $103,760 | 5,000 |
| 2025-08-25 23:54 | 2025-08-22 | AMRZ | Amrize Ltd | Hill Jaime | Officer | BUY | $49.59 | 500 | $24,793 | 14,101 |
| 2025-08-21 23:54 | 2025-08-19 | EXP | EAGLE MATERIALS INC | Devlin William R | Officer | SELL | $232.76 | 2,000 | $465,518 | 17,151 |
| 2025-08-18 20:44 | 2025-08-15 | AMRZ | Amrize Ltd | Hill Jaime | Officer | BUY | $52.00 | 4,000 | $207,980 | 13,601 |
| 2025-08-18 20:42 | 2025-08-15 | AMRZ | Amrize Ltd | Clark Stephen S | Officer | BUY | $51.82 | 5,000 | $259,123 | 5,000 |
| 2025-08-14 23:05 | 2025-08-12 | CRH | CRH PUBLIC LTD CO | Lake Randy | Officer | SELL | $110.91 | 40,000 | $4,436,392 | 50,224 |
| 2025-08-14 21:26 | 2025-08-08 | AMRZ | Amrize Ltd | Hill Jaime | Officer | BUY | $46.40 | 4,000 | $185,600 | 9,601 |
| 2025-08-14 21:23 | 2025-08-13 | AMRZ | Amrize Ltd | Gross Mario | Officer | BUY | $49.63 | 3,000 | $148,890 | 23,232 |
| 2025-08-13 00:56 | 2025-08-11 | AMRZ | Amrize Ltd | Jenisch Jan Philipp | Director, Officer | BUY | $47.92 | 595,000 | $28,514,364 | 450,000 |
| 2025-08-13 00:28 | 2025-08-08 | AMRZ | Amrize Ltd | Jenisch Jan Philipp | Director, Officer | BUY | $46.56 | 500,000 | $23,279,400 | 400,000 |
| 2025-08-12 22:19 | 2025-08-08 | AMRZ | Amrize Ltd | Poletti Samuel Jonas | Officer | BUY | $46.22 | 1,280 | $59,162 | 3,389 |
| 2025-08-12 22:12 | 2025-08-08 | AMRZ | Amrize Ltd | Gross Mario | Officer | BUY | $47.11 | 7,600 | $358,050 | 20,232 |
| 2025-08-12 22:05 | 2025-08-08 | AMRZ | Amrize Ltd | Brouwer Roald | Officer | BUY | $47.06 | 3,000 | $141,168 | 3,000 |
| 2025-08-11 21:17 | 2025-08-08 | AMRZ | Amrize Ltd | Singleton Denise R | Officer | BUY | $47.64 | 4,000 | $190,560 | 4,000 |
| 2025-08-11 21:14 | 2025-08-08 | AMRZ | Amrize Ltd | Johnston Ian A | Officer | BUY | $47.71 | 10,500 | $500,987 | 17,344 |
| 2025-05-23 23:27 | 2025-05-22 | EXP | EAGLE MATERIALS INC | Rush David E | Director | BUY | $213.66 | 1,000 | $213,660 | 2,000 |
| 2025-05-15 23:05 | 2025-05-13 | CRH | CRH PUBLIC LTD CO | ORiordain Padraig | Officer | BUY | $99.16 | 1,492 | $147,941 | 1,492 |
| 2025-03-06 00:30 | 2025-03-03 | CRH | CRH PUBLIC LTD CO | Mintern Denis James | Director, Officer | OPT+S | $102.93 | 4,097 | $421,693 | 35,757 |
| 2025-03-06 00:30 | 2025-03-03 | CRH | CRH PUBLIC LTD CO | Connolly Alan | Officer | SELL | $102.93 | 10,680 | $1,099,262 | 52,341 |
| 2025-03-05 00:15 | 2025-02-28 | CRH | CRH PUBLIC LTD CO | Manifold Albert Jude | SELL | $100.82 | 7,000 | $705,711 | 80,083 | |
| 2025-02-13 01:02 | 2025-02-10 | EXP | EAGLE MATERIALS INC | NICOLAIS MICHAEL R | Director | BUY | $257.36 | 310 | $79,781 | 3,655 |
| 2024-11-27 00:11 | 2024-11-25 | EXP | EAGLE MATERIALS INC | Cribbs Eric | Officer | SELL | $319.64 | 1,000 | $319,640 | 12,937 |
| 2024-11-26 00:12 | 2024-11-22 | EXP | EAGLE MATERIALS INC | Kesler Dale Craig | Officer | OPT+S | $310.04 | 5,000 | $1,550,192 | 60,488 |
| 2024-11-26 00:06 | 2024-11-21 | EXP | EAGLE MATERIALS INC | Haack Michael | Director, Officer | OPT+S | $308.54 | 32,867 | $10,140,919 | 85,811 |
| 2024-11-23 00:24 | 2024-11-20 | EXP | EAGLE MATERIALS INC | STEWART RICHARD ROSS | Director | SELL | $300.30 | 3,577 | $1,074,173 | 1,100 |
| 2024-11-14 00:19 | 2024-11-11 | EXP | EAGLE MATERIALS INC | Haddock Alex | Officer | OPT+S | $313.54 | 1,100 | $344,890 | 3,105 |
| 2024-11-08 01:57 | 2024-11-06 | EXP | EAGLE MATERIALS INC | Devlin William R | Officer | SELL | $312.45 | 2,304 | $719,885 | 21,516 |
| 2024-11-08 01:55 | 2024-11-06 | EXP | EAGLE MATERIALS INC | Thompson Tony | Officer | OPT+S | $314.00 | 1,401 | $439,914 | 13,212 |
| 2024-09-19 23:35 | 2024-09-17 | EXP | EAGLE MATERIALS INC | Damiris George John | Director | SELL | $277.62 | 1,000 | $277,620 | 7,943 |
| 2024-08-02 23:19 | 2024-07-31 | EXP | EAGLE MATERIALS INC | Kesler Dale Craig | Officer | OPT+S | $266.76 | 5,000 | $1,333,800 | 60,488 |
| 2024-08-02 23:14 | 2024-07-31 | EXP | EAGLE MATERIALS INC | Cribbs Eric | Officer | OPT+S | $277.06 | 1,851 | $512,845 | 13,937 |
| 2024-03-09 01:00 | 2024-03-06 | EXP | EAGLE MATERIALS INC | Haack Michael | Director, Officer | OPT+S | $254.90 | 31,700 | $8,080,336 | 94,229 |
| 2024-03-07 00:27 | 2024-03-04 | EXP | EAGLE MATERIALS INC | Cribbs Eric | Officer | OPT+S | $259.50 | 6,570 | $1,704,915 | 15,654 |
| 2024-02-29 04:40 | 2024-02-26 | EXP | EAGLE MATERIALS INC | Newby Matt | Officer | OPT+S | $251.15 | 2,940 | $738,385 | 21,819 |
| 2024-02-08 02:28 | 2024-02-07 | EXP | EAGLE MATERIALS INC | Powers David B | Director | SELL | $240.52 | 9,000 | $2,164,644 | 18,009 |
| 2024-02-07 01:01 | 2024-02-02 | EXP | EAGLE MATERIALS INC | Thompson Tony | Officer | OPT+S | $235.07 | 638 | $149,976 | 14,393 |
| 2024-02-01 00:21 | 2024-01-29 | EXP | EAGLE MATERIALS INC | Newby Matt | Officer | OPT+S | $223.76 | 3,165 | $708,185 | 21,819 |
| 2024-01-31 00:23 | 2024-01-26 | EXP | EAGLE MATERIALS INC | Kesler Dale Craig | Officer | OPT+S | $215.60 | 5,000 | $1,078,018 | 62,610 |
| 2024-01-31 00:19 | 2024-01-26 | EXP | EAGLE MATERIALS INC | Devlin William R | Officer | OPT+S | $214.95 | 2,354 | $505,992 | 24,998 |
| 2024-01-31 00:17 | 2024-01-26 | EXP | EAGLE MATERIALS INC | Cribbs Eric | Officer | OPT+S | $214.66 | 2,000 | $429,310 | 15,654 |
| 2023-12-12 00:10 | 2023-12-07 | EXP | EAGLE MATERIALS INC | Cribbs Eric | Officer | SELL | $186.22 | 700 | $130,354 | 15,654 |
| 2023-09-01 23:12 | 2023-08-31 | EXP | EAGLE MATERIALS INC | Newby Matt | Officer | OPT+S | $190.00 | 5,613 | $1,066,487 | 21,819 |
| 2023-09-01 23:11 | 2023-08-30 | EXP | EAGLE MATERIALS INC | STEWART RICHARD ROSS | Director | SELL | $187.99 | 2,000 | $375,978 | 7,041 |
| 2023-08-21 23:28 | 2023-08-17 | EXP | EAGLE MATERIALS INC | STEWART RICHARD ROSS | Director | SELL | $182.28 | 1,000 | $182,284 | 9,041 |
| 2023-08-04 23:00 | 2023-08-02 | EXP | EAGLE MATERIALS INC | Kesler Dale Craig | Officer | SELL | $189.08 | 5,000 | $945,394 | 62,610 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Cement, Hydraulic sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3241) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Cement, Hydraulic
Every transaction in the Cement, Hydraulic 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.