Telephone Communications (No Radiotelephone)
Standard Industrial Classification: SIC 4813
Industry Insider Sentiment Analysis
The Telephone Communications (No Radiotelephone) sector (SIC 4813) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-21 19:12 | 2026-07-17 | IDT | IDT CORP | MASON JOYCE J | Officer | SELL | $62.56 | 3,993 | $249,796 | 12,522 |
| 2026-07-17 20:10 | 2026-07-15 | IDT | IDT CORP | ASH MENACHEM | Officer | SELL | $63.09 | 8,050 | $507,837 | 24,193 |
| 2026-07-01 21:30 | 2026-06-29 | ATNI | ATN International, Inc. | PRIOR CORNELIUS B JR | 10% owner | SELL | $27.65 | 5,000 | $138,235 | 81,436 |
| 2026-07-01 18:31 | 2026-06-30 | IDT | IDT CORP | COSENTINO ERIC F. | Director | SELL | $57.78 | 500 | $28,890 | 539 |
| 2026-06-30 21:23 | 2026-06-26 | IDT | IDT CORP | FISCHER MARCELO | Officer | SELL | $56.98 | 23,323 | $1,329,024 | 32,824 |
| 2026-06-29 20:14 | 2026-06-25 | ATNI | ATN International, Inc. | PRIOR CORNELIUS B JR | 10% owner | SELL | $27.08 | 1,500 | $40,627 | 86,436 |
| 2026-06-24 22:15 | 2026-05-04 | CXDO | Crexendo, Inc. | Gaylor Douglas Walter | Officer | SELL | $8.15 | 10,000 | $81,541 | 261,413 |
| 2026-06-24 20:25 | 2026-06-23 | TIMB | TIM S.A. | Viegas Marques Andrea Palma | Officer | SELL | $4.32 | 35,000 | $151,200 | 83,259 |
| 2026-06-22 20:35 | 2026-06-18 | ATEX | Anterix Inc. | Lang Scott A. | Director, Officer | SELL | $80.25 | 170 | $13,643 | 76,527 |
| 2026-06-18 20:40 | 2026-06-17 | ATEX | Anterix Inc. | Marquez Elena | Officer | OPT+S | $79.50 | 4,291 | $341,135 | 18,387 |
| 2026-06-17 23:10 | 2026-06-15 | ATEX | Anterix Inc. | Ashe Gena L | Officer | OPT+S | $81.31 | 17,711 | $1,440,050 | 9,531 |
| 2026-06-17 23:11 | 2026-06-15 | ATEX | Anterix Inc. | Guttman-McCabe Christopher | Officer | OPT+S | $82.46 | 91,437 | $7,539,886 | 77,807 |
| 2026-06-17 23:02 | 2026-06-16 | ATEX | Anterix Inc. | YAZDI MAHVASH | Director | SELL | $80.00 | 7,000 | $560,000 | 19,407 |
| 2026-06-17 23:04 | 2026-06-15 | ATEX | Anterix Inc. | Fleischhauer Mark | Director | SELL | $79.83 | 3,500 | $279,403 | 12,769 |
| 2026-06-16 22:39 | - | CXDO | Crexendo, Inc. | Wang David Tzat-kin | Officer | SELL | $7.44 | 50,000 | $372,000 | 559,747 |
| 2026-06-16 01:56 | 2026-05-07 | ATNI | ATN International, Inc. | PRIOR CORNELIUS B JR | 10% owner | SELL | $27.77 | 82,064 | $2,279,032 | 87,936 |
| 2026-06-15 18:35 | 2026-06-11 | IDT | IDT CORP | KATSOF IRWIN | SELL | $55.03 | 2,408 | $132,505 | 0 | |
| 2026-06-10 12:05 | 2026-06-08 | IDT | IDT CORP | SHEA NADINE | Officer | SELL | $55.32 | 500 | $27,661 | 8,725 |
| 2026-06-05 20:57 | 2026-06-03 | SURG | SurgePays, Inc. | May David Allen | Director | BUY | $0.53 | 40,250 | $21,151 | 156,626 |
| 2026-06-05 01:06 | - | CXDO | Crexendo, Inc. | Wang David Tzat-kin | Officer | SELL | $10.01 | 25,000 | $250,250 | 604,949 |
| 2026-06-04 21:43 | 2026-06-02 | TEO | TELECOM ARGENTINA SA | Urricelqui Alejandro Alberto | Director | BUY | $13.43 | 38,890 | $522,293 | 399,348 |
| 2026-06-03 23:42 | - | CXDO | Crexendo, Inc. | MIHAYLO STEVEN G | Director, 10% owner | SELL | $10.38 | 1,656,317 | $17,185,614 | 9,543,386 |
| 2026-06-02 20:07 | 2026-05-29 | VZ | VERIZON COMMUNICATIONS INC | Hammock Samantha | Officer | SELL | $47.83 | 73,069 | $3,495,036 | 16,221 |
| 2026-06-02 23:50 | - | CXDO | Crexendo, Inc. | Gaylor Douglas Walter | Officer | OPT+S | $10.02 | 80,000 | $801,560 | 222,816 |
| 2026-06-02 23:55 | - | CXDO | Crexendo, Inc. | MIHAYLO STEVEN G | Director, 10% owner | SELL | $10.09 | 17,068 | $172,259 | 11,199,703 |
| 2026-06-03 00:00 | - | CXDO | Crexendo, Inc. | Vincent Ron | Officer | OPT+S | $10.03 | 90,000 | $902,826 | 117,490 |
| 2026-06-02 23:46 | - | CXDO | Crexendo, Inc. | Brinton Jon | Officer | SELL | $10.46 | 30,000 | $313,716 | 69,795 |
| 2026-05-29 22:26 | - | CXDO | Crexendo, Inc. | KORN JEFFREY G | Officer | OPT+S | $9.94 | 35,500 | $352,870 | 209,026 |
| 2026-05-28 01:38 | - | CXDO | Crexendo, Inc. | Brinton Jon | Officer | SELL | $9.85 | 5,000 | $49,250 | 99,795 |
| 2026-05-28 01:07 | - | CXDO | Crexendo, Inc. | KORN JEFFREY G | Officer | OPT+S | $9.95 | 39,500 | $393,025 | 209,026 |
| 2026-05-28 00:58 | - | CXDO | Crexendo, Inc. | Vincent Ron | Officer | OPT+S | $9.81 | 75,000 | $735,968 | 117,490 |
| 2026-05-21 00:58 | - | CXDO | Crexendo, Inc. | Puri Anil K. | Director | SELL | $9.44 | 3,400 | $32,081 | 53,114 |
| 2026-05-20 22:26 | 2026-05-18 | TIMB | TIM S.A. | Lima Auana Mattar | Officer | SELL | $4.42 | 8,200 | $36,244 | 36,686 |
| 2026-05-19 00:06 | - | CXDO | Crexendo, Inc. | Brinton Jon | Officer | SELL | $9.65 | 10,000 | $96,500 | 104,795 |
| 2026-05-18 23:24 | - | CXDO | Crexendo, Inc. | Gaylor Douglas Walter | Officer | OPT+S | $9.52 | 10,000 | $95,200 | 221,413 |
| 2026-05-13 00:26 | - | CXDO | Crexendo, Inc. | MIHAYLO STEVEN G | Director | SELL | $9.17 | 25,000 | $229,250 | 11,216,771 |
| 2026-05-11 22:36 | - | CXDO | Crexendo, Inc. | Vincent Ron | Officer | SELL | $9.75 | 1,450 | $14,138 | 117,087 |
| 2026-05-08 01:56 | 2026-05-06 | CXDO | Crexendo, Inc. | Brinton Jon | Officer | SELL | $9.14 | 10,000 | $91,400 | 114,795 |
| 2026-05-07 20:02 | - | CXDO | Crexendo, Inc. | Vincent Ron | Officer | OPT+S | $8.87 | 62,539 | $554,783 | 118,537 |
| 2026-05-07 17:33 | - | CXDO | Crexendo, Inc. | Brinton Jon | Officer | SELL | $9.14 | 114,795 | $1,049,226 | 114,795 |
| 2026-05-07 01:51 | - | CXDO | Crexendo, Inc. | KORN JEFFREY G | Officer | OPT+S | $8.45 | 40,000 | $338,128 | 208,615 |
| 2026-05-07 01:38 | - | CXDO | Crexendo, Inc. | Gaylor Douglas Walter | Officer | OPT+S | $9.14 | 30,000 | $274,074 | 231,413 |
| 2026-05-07 01:38 | - | CXDO | Crexendo, Inc. | Gaylor Douglas Walter | Officer | BUY | $8.15 | 10,000 | $81,541 | 261,413 |
| 2026-04-16 20:29 | 2026-04-16 | IDT | IDT CORP | MASON JOYCE J | Officer | SELL | $50.94 | 3,204 | $163,215 | 12,305 |
| 2026-04-16 20:29 | 2026-04-14 | IDT | IDT CORP | ASH MENACHEM | Officer | SELL | $51.00 | 20,000 | $1,020,000 | 32,243 |
| 2026-04-16 17:38 | 2026-04-14 | IDT | IDT CORP | FISCHER MARCELO | Officer | SELL | $50.50 | 5,000 | $252,500 | 56,147 |
| 2026-04-13 11:47 | 2026-04-10 | PHI | PLDT Inc. | Panlilio Alfredo Santos | Director | SELL | $22.64 | 4,505 | $101,990 | 3,000 |
| 2026-03-26 20:34 | 2026-03-24 | TIMB | TIM S.A. | Ferreira Vicente De Moraes | Officer | SELL | $5.17 | 22,368 | $115,640 | 0 |
| 2026-03-24 20:10 | 2026-03-23 | TDS | TELEPHONE & DATA SYSTEMS INC /DE/ | Carlson Prudence E | Director | SELL | $42.00 | 5,811 | $244,062 | 305,556 |
| 2026-03-14 00:41 | 2026-03-11 | CXDO | Crexendo, Inc. | Buch Anand | Officer | SELL | $6.58 | 88,000 | $579,198 | 447,498 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Telephone Communications (No Radiotelephone) sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (4813) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Telephone Communications (No Radiotelephone)
Every transaction in the Telephone Communications (No Radiotelephone) 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.