Water Supply
Standard Industrial Classification: SIC 4941
Industry Insider Sentiment Analysis
The Water Supply sector (SIC 4941) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-08 15:40 | 2026-07-07 | HTO | H2O AMERICA | ATLAS Infrastructure Partners (UK) Ltd. | 10% owner | BUY | $62.03 | 2,784 | $172,692 | 4,615,265 |
| 2026-07-02 20:58 | 2026-07-01 | HTO | H2O AMERICA | ATLAS Infrastructure Partners (UK) Ltd. | 10% owner | BUY | $60.76 | 2,132 | $129,535 | 4,612,481 |
| 2026-07-02 20:58 | 2026-07-01 | HTO | H2O AMERICA | ATLAS Infrastructure Partners (UK) Ltd. | 10% owner | SELL | $60.74 | 1,686 | $102,399 | 4,610,349 |
| 2026-06-22 12:47 | 2026-06-19 | YORW | YORK WATER CO | Hand Joseph Thomas | Director, Officer | BUY | $29.53 | 25 | $738 | 42,866 |
| 2026-06-17 20:23 | 2026-05-25 | SBS | COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP | Tavares de Sousa Roberval | Officer | SELL | $5.74 | 5,900 | $33,866 | 76 |
| 2026-06-17 20:21 | 2026-05-21 | SBS | COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP | Tavares de Sousa Samanta I.S. | Officer | SELL | $5.72 | 5,700 | $32,604 | 43 |
| 2026-06-17 20:19 | 2026-06-15 | SBS | COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP | Szlak Daniel | Officer | SELL | $5.59 | 7,381 | $41,259 | 0 |
| 2026-06-16 20:19 | 2026-06-15 | SBS | COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP | Szlak Daniel | Officer | SELL | $28.30 | 7,381 | $208,882 | 0 |
| 2026-06-03 22:44 | 2026-05-20 | CDZI | CADIZ INC | Rivera Cathryn | Officer | SELL | $4.33 | 2,500 | $10,825 | 145,000 |
| 2026-06-02 17:02 | 2026-05-29 | HTO | H2O AMERICA | ATLAS Infrastructure Partners (UK) Ltd. | 10% owner | BUY | $57.62 | 31,001 | $1,786,402 | 4,612,035 |
| 2026-06-02 17:02 | 2026-05-29 | HTO | H2O AMERICA | ATLAS Infrastructure Partners (UK) Ltd. | 10% owner | SELL | $57.52 | 1,435 | $82,544 | 4,581,034 |
| 2026-05-29 19:04 | 2026-05-25 | SBS | COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP | Tavares de Sousa Roberval | Officer | SELL | $28.81 | 5,900 | $169,979 | 76 |
| 2026-05-28 21:49 | 2026-05-26 | CDZI | CADIZ INC | O'Hara David Mark | Director | BUY | $4.58 | 110,865 | $507,762 | 117,841 |
| 2026-05-27 20:10 | 2026-05-21 | SBS | COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP | Tavares de Sousa Samanta I.S. | Officer | SELL | $28.61 | 5,700 | $163,077 | 43 |
| 2026-05-27 23:58 | 2026-05-27 | CWT | CALIFORNIA WATER SERVICE GROUP | Snow Lester A | Director | SELL | $44.00 | 1,100 | $48,400 | 18,316 |
| 2026-05-22 22:05 | 2026-05-20 | GWRS | Global Water Resources, Inc. | Liebman Michael J | Officer | BUY | $6.89 | 7,000 | $48,261 | 7,000 |
| 2026-05-21 22:23 | 2026-05-21 | CWT | CALIFORNIA WATER SERVICE GROUP | Krummel Thomas M | Director | SELL | $43.30 | 3,700 | $160,214 | 23,805 |
| 2026-05-21 22:07 | 2026-05-20 | AWR | AMERICAN STATES WATER CO | HOLLOWAY ANNE M | Director | SELL | $75.58 | 662 | $50,035 | 39,418 |
| 2026-05-20 19:08 | 2026-05-20 | YORW | YORK WATER CO | Yanavitch William T. II | Director | BUY | $29.35 | 256 | $7,500 | 352 |
| 2026-05-20 18:54 | 2026-05-20 | GWRS | Global Water Resources, Inc. | Krygier Christopher D | Officer | BUY | $6.87 | 5,389 | $37,000 | 10,485 |
| 2026-05-20 18:56 | 2026-05-19 | GWRS | Global Water Resources, Inc. | Lenderking John Carroll | Officer | BUY | $6.85 | 700 | $4,792 | 9,356 |
| 2026-05-20 00:42 | 2025-11-14 | AWR | AMERICAN STATES WATER CO | HOLLOWAY ANNE M | Director | BUY | $75.37 | 935 | $70,496 | 40,080 |
| 2026-05-15 22:09 | 2026-05-15 | AWR | AMERICAN STATES WATER CO | Rowley Paul J | Officer | SELL | $76.05 | 1,304 | $99,169 | 6,520 |
| 2026-05-08 19:29 | 2026-05-08 | YORW | YORK WATER CO | Scarpato Matthew J | Officer | BUY | $29.30 | 700 | $20,510 | 2,570 |
| 2026-04-22 17:50 | 2026-04-10 | HTO | H2O AMERICA | GIP ATLAS Holdings Ltd | 10% owner | BUY | $59.06 | 50,385 | $2,975,919 | 4,582,469 |
| 2026-04-17 13:07 | 2026-04-16 | YORW | YORK WATER CO | Hand Joseph Thomas | Director, Officer | BUY | $28.50 | 1,052 | $29,982 | 41,332 |
| 2026-04-17 12:58 | 2026-04-16 | YORW | YORK WATER CO | Poff Matthew E | Officer | BUY | $28.50 | 175 | $4,988 | 8,451 |
| 2026-04-17 12:24 | 2026-04-16 | YORW | YORK WATER CO | Scarpato Matthew J | Officer | BUY | $29.13 | 103 | $3,000 | 1,074 |
| 2026-04-17 12:32 | 2026-04-16 | YORW | YORK WATER CO | Snyder Mark S | Officer | BUY | $29.13 | 10 | $300 | 4,574 |
| 2026-04-16 20:11 | 2026-04-16 | YORW | YORK WATER CO | Poff Matthew E | Officer | BUY | $29.13 | 4 | $120 | 8,276 |
| 2026-04-16 19:50 | 2026-04-16 | YORW | YORK WATER CO | Grimm Ashley M | Officer | BUY | $29.13 | 12 | $360 | 350 |
| 2026-04-16 20:00 | 2026-04-16 | YORW | YORK WATER CO | Hand Joseph Thomas | Director, Officer | BUY | $29.13 | 103 | $3,000 | 40,280 |
| 2026-04-16 19:34 | 2026-04-16 | YORW | YORK WATER CO | Chiaruttini Alexandra C | Officer | BUY | $29.13 | 41 | $1,200 | 4,956 |
| 2026-04-16 19:45 | 2026-04-16 | YORW | YORK WATER CO | Becker Suzanne M | Officer | BUY | $29.13 | 41 | $1,200 | 119 |
| 2026-04-13 16:10 | 2026-04-10 | HTO | H2O AMERICA | ATLAS Infrastructure Partners (UK) Ltd. | 10% owner | BUY | $59.06 | 50,385 | $2,975,919 | 4,582,469 |
| 2026-03-24 21:11 | 2026-03-20 | CWT | CALIFORNIA WATER SERVICE GROUP | Luu Michael B | Officer | SELL | $44.53 | 740 | $32,945 | 23,655 |
| 2026-03-24 20:57 | 2026-03-20 | CWT | CALIFORNIA WATER SERVICE GROUP | Mares Michael S JR | Officer | SELL | $44.00 | 3,892 | $171,248 | 8,525 |
| 2026-03-23 21:10 | 2026-03-19 | CWCO | Consolidated Water Co. Ltd. | Giner Maria Elena | Director | BUY | $30.24 | 3,310 | $100,100 | 3,310 |
| 2026-03-23 20:00 | 2026-03-23 | ARTNA | ARTESIAN RESOURCES CORP | TAYLOR DIAN C | Director | SELL | $31.25 | 1,000 | $31,250 | 103,021 |
| 2026-03-20 20:32 | 2026-03-20 | ARTNA | ARTESIAN RESOURCES CORP | TAYLOR DIAN C | Director | SELL | $31.00 | 2,000 | $62,000 | 104,021 |
| 2026-03-20 13:29 | 2026-03-19 | ARTNA | ARTESIAN RESOURCES CORP | TAYLOR DIAN C | Director | SELL | $31.00 | 2,000 | $62,000 | 106,021 |
| 2026-03-17 12:31 | 2026-03-16 | YORW | YORK WATER CO | Hand Joseph Thomas | Director, Officer | BUY | $31.55 | 15 | $473 | 39,887 |
| 2026-03-13 23:52 | 2026-03-13 | GWRS | Global Water Resources, Inc. | Cohn Andrew M. | Director | BUY | $7.20 | 18,305 | $131,796 | 2,560,984 |
| 2026-03-05 00:00 | 2026-03-04 | MSEX | MIDDLESEX WATER CO | REINHARD WALTER G | Director | SELL | $55.21 | 300 | $16,563 | 6,051 |
| 2026-02-28 00:24 | 2026-02-27 | MSEX | MIDDLESEX WATER CO | HOGLUND ROBERT N | Director | BUY | $54.31 | 2,000 | $108,619 | 2,000 |
| 2026-02-26 00:19 | 2026-02-25 | MSEX | MIDDLESEX WATER CO | Capko Robert John | Officer | SELL | $54.04 | 134 | $7,241 | 0 |
| 2026-01-16 23:18 | 2026-01-16 | YORW | YORK WATER CO | Snyder Mark S | Officer | BUY | $30.45 | 11 | $350 | 4,531 |
| 2026-01-16 23:15 | 2026-01-16 | YORW | YORK WATER CO | Scarpato Matthew J | Officer | BUY | $30.45 | 92 | $2,800 | 964 |
| 2026-01-16 23:13 | 2026-01-16 | YORW | YORK WATER CO | Poff Matthew E | Officer | BUY | $30.45 | 5 | $140 | 8,212 |
| 2026-01-16 23:09 | 2026-01-16 | YORW | YORK WATER CO | Hand Joseph Thomas | Director, Officer | BUY | $30.45 | 279 | $8,500 | 39,872 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Water Supply sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (4941) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Water Supply
Every transaction in the Water Supply 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.