Computer Communications Equipment
Standard Industrial Classification: SIC 3576
Industry Insider Sentiment Analysis
The Computer Communications Equipment sector (SIC 3576) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-05-21 00:15 | 2021-05-18 | EXTR | EXTREME NETWORKS INC | CARINALLI CHARLES | Director | SELL | $11.25 | 66,745 | $750,754 | 313,326 |
| 2021-05-20 18:54 | 2021-05-18 | FFIV | F5, INC. | FOUNTAIN THOMAS DEAN | Officer | SELL | $180.62 | 1,937 | $349,858 | 10,832 |
| 2021-05-19 23:52 | 2020-05-17 | EXTR | EXTREME NETWORKS INC | Shoemaker John C | Director | BUY | $10.00 | 7,200 | $71,999 | 7,200 |
| 2021-05-19 18:53 | 2021-05-17 | FFIV | F5, INC. | Pelzer Francis J. | Officer | SELL | $179.78 | 500 | $89,890 | 13,472 |
| 2021-05-19 18:52 | 2021-05-17 | FFIV | F5, INC. | Locoh-Donou Francois | Director, Officer | SELL | $179.78 | 1,300 | $233,714 | 76,521 |
| 2021-05-17 23:32 | 2021-05-13 | LTRX | LANTRONIX INC | Pickle Paul H | Director, Officer | BUY | $4.96 | 40,000 | $198,228 | 215,427 |
| 2021-05-15 01:41 | 2021-05-12 | ANET | Arista Networks, Inc. | Duda Kenneth | Officer | OPT+S | $317.64 | 10,000 | $3,176,377 | 811 |
| 2021-05-13 01:20 | 2021-05-10 | ANET | Arista Networks, Inc. | Duda Kenneth | Officer | SELL | $329.30 | 4,532 | $1,492,372 | 29,900 |
| 2021-05-12 22:45 | 2021-05-11 | FFIV | F5, INC. | FOUNTAIN THOMAS DEAN | Officer | SELL | $179.24 | 1,428 | $255,948 | 12,769 |
| 2021-05-11 23:05 | 2021-05-10 | FFIV | F5, INC. | Lin Geng | Officer | SELL | $184.28 | 921 | $169,722 | 2,543 |
| 2021-05-11 02:09 | 2021-05-06 | ANET | Arista Networks, Inc. | Ullal Jayshree | Director, Officer | OPT+S | $321.96 | 1,375 | $442,694 | 526 |
| 2021-05-11 02:09 | 2021-05-06 | ANET | Arista Networks, Inc. | Duda Kenneth | Officer | SELL | $325.12 | 5,505 | $1,789,810 | 123,825 |
| 2021-05-07 23:20 | 2021-05-06 | ATEN | A10 Networks, Inc. | COCHRAN ROBERT D | Officer | SELL | $8.82 | 2,627 | $23,170 | 267,050 |
| 2021-05-07 23:21 | 2021-05-06 | ATEN | A10 Networks, Inc. | BRUENING MATTHEW P | Officer | SELL | $8.82 | 1,877 | $16,555 | 107,753 |
| 2021-05-07 03:16 | 2021-05-04 | ANET | Arista Networks, Inc. | Giancarlo Charles H | Director | SELL | $306.17 | 1,665 | $509,771 | 56,664 |
| 2021-05-06 19:39 | 2021-05-04 | FFIV | F5, INC. | FOUNTAIN THOMAS DEAN | Officer | SELL | $181.19 | 2,765 | $500,990 | 14,197 |
| 2021-05-06 19:38 | 2021-05-04 | FFIV | F5, INC. | WHALEN CHAD MICHAEL | Officer | SELL | $181.19 | 453 | $82,079 | 7,385 |
| 2021-05-06 02:51 | 2021-05-03 | ANET | Arista Networks, Inc. | Ullal Jayshree | Director, Officer | OPT+S | $314.18 | 2,375 | $746,188 | 526 |
| 2021-05-06 02:51 | 2021-05-03 | ANET | Arista Networks, Inc. | Taxay Marc | Officer | OPT+S | $315.82 | 498 | $157,278 | 0 |
| 2021-05-06 02:51 | 2021-05-03 | ANET | Arista Networks, Inc. | MATHER ANN | Director | OPT+S | $315.82 | 416 | $131,381 | 586 |
| 2021-05-04 23:45 | 2021-04-30 | EXTR | EXTREME NETWORKS INC | CARINALLI CHARLES | Director | SELL | $11.54 | 60,000 | $692,172 | 380,071 |
| 2021-05-04 23:02 | 2021-05-03 | FFIV | F5, INC. | WHITE ANA MARIA | Officer | OPT+S | $183.24 | 258 | $47,276 | 19,337 |
| 2021-05-04 22:55 | 2021-05-03 | FFIV | F5, INC. | Rogers Scot Frazier | Officer | OPT+S | $183.24 | 1,229 | $225,202 | 13,948 |
| 2021-05-03 23:22 | 2021-04-29 | EXTR | EXTREME NETWORKS INC | Thomas Remi | Officer | SELL | $12.00 | 25,000 | $300,000 | 42,167 |
| 2021-05-03 23:21 | 2021-04-29 | EXTR | EXTREME NETWORKS INC | MEYERCORD EDWARD | Director, Officer | OPT+S | $11.87 | 125,000 | $1,483,900 | 570,174 |
| 2021-04-29 02:03 | 2021-04-27 | ATEN | A10 Networks, Inc. | COCHRAN ROBERT D | Officer | SELL | $9.63 | 3,390 | $32,646 | 269,677 |
| 2021-04-28 23:18 | 2021-04-26 | EXTR | EXTREME NETWORKS INC | Thomas Remi | Officer | SELL | $10.00 | 25,000 | $250,000 | 67,167 |
| 2021-04-23 02:30 | 2021-04-20 | ANET | Arista Networks, Inc. | McCool John F | Officer | OPT+S | $312.97 | 83 | $25,977 | 82 |
| 2021-04-17 02:23 | 2021-04-15 | FFIV | F5, INC. | Locoh-Donou Francois | Director, Officer | SELL | $211.28 | 1,300 | $274,664 | 70,786 |
| 2021-04-17 02:22 | 2021-04-15 | FFIV | F5, INC. | Pelzer Francis J. | Officer | SELL | $211.28 | 600 | $126,768 | 11,489 |
| 2021-04-15 04:34 | 2021-04-12 | ANET | Arista Networks, Inc. | Duda Kenneth | Officer | OPT+S | $313.96 | 14,534 | $4,563,073 | 30,350 |
| 2021-04-14 23:51 | 2021-04-12 | EXTR | EXTREME NETWORKS INC | Thomas Remi | Officer | SELL | $9.30 | 25,000 | $232,550 | 92,167 |
| 2021-04-14 04:01 | 2021-04-09 | ANET | Arista Networks, Inc. | Sadana Anshul | Officer | OPT+S | $315.15 | 8,468 | $2,668,716 | 1,658 |
| 2021-04-09 23:36 | 2021-04-07 | INTZ | INTRUSION INC | PAXTON MICHAEL L | SELL | $27.14 | 4,495 | $122,016 | 1,539,956 | |
| 2021-04-09 23:30 | 2021-03-19 | INTZ | INTRUSION INC | PAXTON MICHAEL L | SELL | $26.01 | 15,005 | $390,276 | 1,562,451 | |
| 2021-04-08 04:28 | 2021-04-06 | ANET | Arista Networks, Inc. | Ullal Jayshree | Director, Officer | OPT+S | $308.82 | 1,375 | $424,622 | 526 |
| 2021-04-08 02:27 | 2021-04-05 | ATEN | A10 Networks, Inc. | COCHRAN ROBERT D | Officer | SELL | $9.87 | 2,295 | $22,652 | 273,067 |
| 2021-04-08 04:25 | 2021-04-05 | ANET | Arista Networks, Inc. | Giancarlo Charles H | Director | SELL | $311.44 | 1,665 | $518,553 | 58,329 |
| 2021-04-06 23:45 | 2021-04-01 | INTZ | INTRUSION INC | PAXTON MICHAEL L | SELL | $26.11 | 18,000 | $469,921 | 1,541,951 | |
| 2021-04-06 03:39 | 2021-04-01 | ANET | Arista Networks, Inc. | Ullal Jayshree | Director, Officer | OPT+S | $308.65 | 2,375 | $733,042 | 526 |
| 2021-04-06 03:39 | 2021-04-01 | ANET | Arista Networks, Inc. | Taxay Marc | Officer | OPT+S | $304.06 | 751 | $228,349 | 0 |
| 2021-04-06 03:38 | 2021-04-01 | ANET | Arista Networks, Inc. | MATHER ANN | Director | OPT+S | $304.06 | 417 | $126,793 | 586 |
| 2021-04-05 20:11 | 2021-04-01 | FFIV | F5, INC. | WHITE ANA MARIA | Officer | SELL | $210.44 | 258 | $54,294 | 17,346 |
| 2021-04-03 00:45 | 2021-04-01 | EXTR | EXTREME NETWORKS INC | MEYERCORD EDWARD | Director, Officer | OPT+S | $8.87 | 25,000 | $221,778 | 570,174 |
| 2021-04-01 03:45 | 2021-03-29 | ANET | Arista Networks, Inc. | Sadana Anshul | Officer | OPT+S | $315.18 | 500 | $157,592 | 1,658 |
| 2021-03-31 04:45 | 2021-03-26 | ANET | Arista Networks, Inc. | Ullal Jayshree | Director, Officer | OPT+S | $304.01 | 167 | $50,770 | 15,960 |
| 2021-03-30 23:49 | 2021-03-26 | CSCO | CISCO SYSTEMS, INC. | BURNS M MICHELE | Director | SELL | $51.55 | 13,982 | $720,829 | 70,468 |
| 2021-03-30 18:56 | 2021-03-26 | FFIV | F5, INC. | Yamamoto Mika | Officer | SELL | $210.00 | 469 | $98,490 | 5,164 |
| 2021-03-30 01:25 | 2021-03-26 | ATEN | A10 Networks, Inc. | Becker Brian | Officer | SELL | $9.34 | 389 | $3,633 | 43,392 |
| 2021-03-30 01:27 | 2021-03-26 | ATEN | A10 Networks, Inc. | COCHRAN ROBERT D | Officer | SELL | $9.34 | 2,381 | $22,239 | 275,362 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Computer Communications Equipment sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3576) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Computer Communications Equipment
Every transaction in the Computer Communications Equipment 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.