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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-26 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 |
| 2026-03-13 20:56 | 2026-03-13 | UNIT | Uniti Group Inc. | Perez-Carlton Carmen | Director | SELL | $7.81 | 7,500 | $58,575 | 115,006 |
| 2026-03-10 22:47 | 2026-03-09 | CXDO | Crexendo, Inc. | Wang David Tzat-kin | Officer | SELL | $7.00 | 20,482 | $143,392 | 629,949 |
| 2026-03-10 22:31 | 2026-03-10 | CXDO | Crexendo, Inc. | Buch Anand | Officer | OPT+S | $6.94 | 34,315 | $238,033 | 535,498 |
| 2026-03-10 23:52 | 2026-03-06 | CXDO | Crexendo, Inc. | MIHAYLO STEVEN G | Director, 10% owner | SELL | $6.94 | 64,994 | $450,857 | 11,241,771 |
| 2026-03-03 22:03 | 2026-03-02 | VZ | VERIZON COMMUNICATIONS INC | Stillwell Mary-Lee | Officer | SELL | $50.00 | 8,569 | $428,450 | 43,782 |
| 2026-02-26 00:14 | 2026-02-24 | VZ | VERIZON COMMUNICATIONS INC | Vestberg Hans Erik | Director | SELL | $49.61 | 225,000 | $11,163,150 | 13,023 |
| 2026-02-21 03:09 | 2026-02-20 | LUMN | Lumen Technologies, Inc. | Linear Diankha | Director | SELL | $7.89 | 45,000 | $355,050 | 198,229 |
| 2026-02-06 01:34 | 2026-02-05 | LUMN | Lumen Technologies, Inc. | Johnson Kathleen E | Director, Officer | BUY | $6.35 | 78,685 | $499,925 | 8,562,582 |
| 2026-02-04 04:09 | 2026-02-02 | VZ | VERIZON COMMUNICATIONS INC | Russo Joseph J. | Officer | SELL | $44.88 | 9,579 | $429,906 | 44,045 |
| 2026-01-29 04:31 | 2026-01-22 | CXDO | Crexendo, Inc. | Vincent Ron | Officer | OPT+S | $7.78 | 1,011 | $7,870 | 172,262 |
| 2026-01-20 22:50 | 2026-01-16 | IDT | IDT CORP | MASON JOYCE J | Officer | SELL | $50.29 | 2,505 | $125,964 | 28,708 |
| 2026-01-20 22:49 | 2026-01-15 | IDT | IDT CORP | PEREIRA BILL | Director, Officer | SELL | $51.17 | 7,287 | $372,876 | 35,213 |
| 2026-01-17 00:09 | 2026-01-14 | IDT | IDT CORP | FISCHER MARCELO | Officer | OPT+S | $52.03 | 7,929 | $412,582 | 55,943 |
| 2026-01-13 00:21 | 2026-01-08 | IDT | IDT CORP | FISCHER MARCELO | Officer | SELL | $52.29 | 641 | $33,516 | 63,872 |
| 2025-12-19 16:16 | 2025-12-18 | ATEX | Anterix Inc. | Lang Scott A. | Director, Officer | BUY | $21.61 | 1,160 | $25,068 | 8,260 |
| 2025-12-12 05:37 | 2025-12-10 | SURG | SurgePays, Inc. | May David Allen | Director | BUY | $1.60 | 38,422 | $61,648 | 158,116 |
| 2025-12-11 00:21 | 2025-12-08 | ATEX | Anterix Inc. | Lang Scott A. | Director, Officer | BUY | $20.41 | 2,450 | $50,005 | 7,100 |
| 2025-11-19 21:42 | 2025-11-18 | ATEX | Anterix Inc. | Ashe Gena L | Officer | SELL | $21.07 | 6,564 | $138,303 | 13,366 |
| 2025-11-18 20:00 | 2025-11-17 | NUVR | Nuvera Communications, Inc. | Zerbe Glenn | Officer | SELL | $11.96 | 3,387 | $40,496 | 11,909 |
| 2025-11-14 02:44 | 2025-11-11 | CXDO | Crexendo, Inc. | Vincent Ron | Officer | SELL | $7.38 | 10,000 | $73,756 | 165,809 |
| 2025-11-14 02:07 | 2025-11-11 | CXDO | Crexendo, Inc. | KORN JEFFREY G | Officer | SELL | $7.25 | 10,000 | $72,501 | 230,398 |
| 2025-11-14 00:49 | 2025-11-11 | CXDO | Crexendo, Inc. | Gaylor Douglas Walter | Officer | OPT+S | $7.51 | 10,000 | $75,064 | 233,135 |
| 2025-11-12 21:26 | 2025-11-10 | CXDO | Crexendo, Inc. | Gaylor Douglas Walter | Officer | OPT+S | $7.17 | 10,000 | $71,740 | 243,135 |
| 2025-11-12 16:42 | 2025-11-10 | TDS | TELEPHONE & DATA SYSTEMS INC /DE/ | Kroll Anita J | Officer | SELL | $39.03 | 17,087 | $666,825 | 0 |
| 2025-11-07 21:37 | 2025-11-05 | CXDO | Crexendo, Inc. | KORN JEFFREY G | Officer | SELL | $7.14 | 10,000 | $71,401 | 240,398 |
| 2025-11-07 21:35 | 2025-11-05 | CXDO | Crexendo, Inc. | Vincent Ron | Officer | SELL | $7.05 | 15,000 | $105,750 | 175,809 |
| 2025-10-15 22:38 | 2025-10-10 | IDT | IDT CORP | COSENTINO ERIC F. | Director | SELL | $47.61 | 200 | $9,523 | 53 |
| 2025-10-03 23:25 | 2025-10-02 | IDT | IDT CORP | PEREIRA BILL | Director, Officer | SELL | $49.63 | 41,933 | $2,081,168 | 42,500 |
| 2025-09-19 15:57 | 2025-09-18 | ATEX | Anterix Inc. | Lang Scott A. | Director, Officer | BUY | $21.28 | 4,650 | $98,952 | 4,650 |
| 2025-09-12 23:30 | 2025-09-10 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP Fiber Holdings GP, LLC | 10% owner | BUY | $13.29 | 15,344 | $203,965 | 3,457,105 |
| 2025-09-12 23:30 | 2025-09-10 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP ControlCo, LLC | 10% owner | BUY | $13.29 | 15,344 | $203,965 | 3,457,105 |
| 2025-09-12 01:05 | 2025-09-11 | CXDO | Crexendo, Inc. | Gaylor Douglas Walter | Officer | SELL | $6.76 | 10,000 | $67,601 | 238,531 |
| 2025-09-10 23:30 | 2025-09-08 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP Fiber Holdings GP, LLC | 10% owner | BUY | $13.41 | 509 | $6,825 | 3,441,761 |
| 2025-09-10 23:30 | 2025-09-08 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP ControlCo, LLC | 10% owner | BUY | $13.41 | 509 | $6,825 | 3,441,761 |
| 2025-09-08 23:30 | 2025-09-04 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP Fiber Holdings GP, LLC | 10% owner | BUY | $13.25 | 5,068 | $67,149 | 3,441,252 |
| 2025-09-08 23:30 | 2025-09-04 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP ControlCo, LLC | 10% owner | BUY | $13.25 | 5,068 | $67,149 | 3,441,252 |
| 2025-09-04 23:30 | 2025-09-02 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP Fiber Holdings GP, LLC | 10% owner | BUY | $12.90 | 58,951 | $760,391 | 3,436,184 |
| 2025-09-04 23:30 | 2025-09-02 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP ControlCo, LLC | 10% owner | BUY | $12.90 | 58,951 | $760,391 | 3,436,184 |
| 2025-09-02 23:30 | 2025-08-28 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP Fiber Holdings GP, LLC | 10% owner | BUY | $13.26 | 26,358 | $349,452 | 3,377,233 |
| 2025-09-03 00:23 | 2025-08-28 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP ControlCo, LLC | 10% owner | BUY | $13.26 | 26,358 | $349,452 | 3,377,233 |
| 2025-08-28 23:15 | 2025-08-26 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP Fiber Holdings GP, LLC | 10% owner | BUY | $13.27 | 7,253 | $96,234 | 3,350,875 |
| 2025-08-28 23:15 | 2025-08-26 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP ControlCo, LLC | 10% owner | BUY | $13.27 | 7,253 | $96,234 | 3,350,875 |
| 2025-08-26 23:46 | 2025-08-22 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP Fiber Holdings GP, LLC | 10% owner | BUY | $13.09 | 5,500 | $72,008 | 3,343,622 |
| 2025-08-26 23:45 | 2025-08-22 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP ControlCo, LLC | 10% owner | BUY | $13.09 | 5,500 | $72,008 | 3,343,622 |
| 2025-08-22 23:15 | 2025-08-20 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP Fiber Holdings GP, LLC | 10% owner | BUY | $12.57 | 24,492 | $307,842 | 3,338,122 |
| 2025-08-22 23:15 | 2025-08-20 | SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | ECP ControlCo, LLC | 10% owner | BUY | $12.57 | 24,492 | $307,842 | 3,338,122 |
| 2025-08-22 15:02 | 2025-08-20 | TDS | TELEPHONE & DATA SYSTEMS INC /DE/ | Kroll Anita J | Officer | OPT+S | $39.09 | 8,608 | $336,497 | 17,087 |
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.