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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-05-27 00:15 | 2017-05-24 | CSCO | CISCO SYSTEMS, INC. | CHAMBERS JOHN T | Director, Officer | SELL | $31.52 | 295,537 | $9,314,410 | 0 |
| 2017-05-19 23:22 | 2017-05-17 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $8.15 | 25,000 | $203,625 | 10,811,538 |
| 2017-05-19 03:20 | 2017-05-16 | ANET | Arista Networks, Inc. | Ullal Jayshree | Director, Officer | SELL | $147.40 | 52,033 | $7,669,628 | 2,894,501 |
| 2017-05-18 01:21 | 2017-05-15 | ATEN | A10 Networks, Inc. | Natarajan Shiva Kumar | Officer | SELL | $8.28 | 812 | $6,723 | 76,667 |
| 2017-05-17 02:03 | 2017-05-12 | ANET | Arista Networks, Inc. | Ullal Jayshree | Director, Officer | SELL | $147.19 | 63,928 | $9,409,773 | 2,918,436 |
| 2017-05-16 04:08 | 2017-05-11 | ANET | Arista Networks, Inc. | Stoll Marc F | Director | OPT+S | $145.03 | 16,000 | $2,320,555 | 0 |
| 2017-05-13 04:38 | 2017-05-10 | ANET | Arista Networks, Inc. | Ullal Jayshree | Director, Officer | SELL | $145.17 | 140,696 | $20,424,135 | 2,947,844 |
| 2017-05-12 23:29 | 2017-05-11 | ATEN | A10 Networks, Inc. | SMETS RAYMOND J | Officer | SELL | $8.16 | 6,890 | $56,236 | 169,060 |
| 2017-05-12 22:01 | 2017-05-10 | FFIV | F5, INC. | MCADAM JOHN | Director | SELL | $130.17 | 10,000 | $1,301,703 | 66,953 |
| 2017-05-12 00:07 | 2017-05-09 | ANET | Arista Networks, Inc. | Duda Kenneth | Officer | SELL | $144.23 | 10,507 | $1,515,408 | 1,284,311 |
| 2017-05-11 23:16 | 2017-05-09 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $8.19 | 25,000 | $204,700 | 10,836,538 |
| 2017-05-04 01:03 | 2017-05-01 | ANET | Arista Networks, Inc. | Taxay Marc | Officer | OPT+S | $139.51 | 2,000 | $279,020 | 8,650 |
| 2017-05-03 23:10 | 2017-05-01 | ATEN | A10 Networks, Inc. | COCHRAN ROBERT D | Director, Officer | SELL | $7.96 | 5,000 | $39,775 | 198,162 |
| 2017-05-03 23:06 | 2017-05-01 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $7.95 | 25,000 | $198,825 | 10,861,538 |
| 2017-05-03 22:42 | 2017-05-01 | FFIV | F5, INC. | Reinland Andrew | Officer | SELL | $127.40 | 6,235 | $794,368 | 14,766 |
| 2017-05-03 22:39 | 2017-05-01 | FFIV | F5, INC. | Rogers Scot Frazier | Officer | SELL | $127.79 | 2,402 | $306,949 | 8,883 |
| 2017-05-03 22:37 | 2017-05-01 | FFIV | F5, INC. | Kearny Ryan C. | Officer | SELL | $127.95 | 846 | $108,248 | 971 |
| 2017-05-03 22:35 | 2017-05-01 | FFIV | F5, INC. | EAMES EDWARD JULIAN | Officer | SELL | $127.76 | 4,645 | $593,442 | 29,253 |
| 2017-05-03 22:34 | 2017-05-01 | FFIV | F5, INC. | DiLullo John D | Officer | SELL | $127.62 | 3,420 | $436,460 | 3,326 |
| 2017-05-01 23:05 | 2017-04-28 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $8.10 | 25,000 | $202,508 | 10,886,538 |
| 2017-04-21 23:17 | 2017-04-20 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $8.78 | 25,000 | $219,375 | 10,911,538 |
| 2017-04-14 01:38 | 2017-04-12 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $8.86 | 25,000 | $221,375 | 10,936,538 |
| 2017-04-07 23:14 | 2017-04-06 | ATEN | A10 Networks, Inc. | Becker Neil Wu | Officer | SELL | $8.77 | 9,534 | $83,575 | 128,118 |
| 2017-04-07 23:13 | 2017-04-05 | ATEN | A10 Networks, Inc. | COCHRAN ROBERT D | Director, Officer | SELL | $8.99 | 5,000 | $44,970 | 203,162 |
| 2017-04-06 23:01 | 2017-04-04 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $9.04 | 25,000 | $226,100 | 10,961,538 |
| 2017-04-06 00:19 | 2017-04-03 | ANET | Arista Networks, Inc. | Taxay Marc | Officer | OPT+S | $131.65 | 2,000 | $263,300 | 8,650 |
| 2017-03-30 00:27 | 2017-03-27 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $9.14 | 25,000 | $228,375 | 10,864,788 |
| 2017-03-28 00:13 | 2017-03-24 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $9.21 | 25,000 | $230,200 | 10,889,788 |
| 2017-03-25 02:46 | 2017-03-08 | ANET | Arista Networks, Inc. | Duda Kenneth | Officer | SELL | $130.54 | 80,000 | $10,443,200 | 1,294,818 |
| 2017-03-23 01:06 | 2017-03-20 | ANET | Arista Networks, Inc. | Sadana Anshul | Officer | SELL | $130.00 | 21,000 | $2,730,000 | 0 |
| 2017-03-21 03:57 | 2017-03-08 | ANET | Arista Networks, Inc. | Duda Kenneth | Officer | SELL | $128.16 | 120,000 | $15,379,740 | 1,294,818 |
| 2017-03-17 23:16 | 2017-03-16 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $9.24 | 25,000 | $230,875 | 10,914,788 |
| 2017-03-17 00:03 | 2017-03-15 | CSCO | CISCO SYSTEMS, INC. | BHATT PRAT | Officer | SELL | $34.27 | 15,672 | $537,050 | 77,050 |
| 2017-03-11 03:54 | 2017-03-08 | ANET | Arista Networks, Inc. | Duda Kenneth | Officer | SELL | $0.00 | 200,000 | $0 | 1,294,818 |
| 2017-03-11 01:49 | 2017-03-09 | CSCO | CISCO SYSTEMS, INC. | CHANDLER MARK D | Officer | SELL | $34.04 | 16,000 | $544,640 | 34,742 |
| 2017-03-11 00:05 | 2017-03-08 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $9.16 | 25,000 | $228,900 | 10,939,788 |
| 2017-03-04 00:22 | 2017-03-01 | ATEN | A10 Networks, Inc. | COCHRAN ROBERT D | Director, Officer | SELL | $9.60 | 5,000 | $47,985 | 161,593 |
| 2017-03-03 04:26 | 2017-03-01 | ANET | Arista Networks, Inc. | Taxay Marc | Officer | OPT+S | $120.15 | 2,000 | $240,291 | 8,650 |
| 2017-03-03 00:42 | 2017-02-28 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $9.51 | 25,000 | $237,675 | 10,964,788 |
| 2017-02-25 02:09 | 2017-02-24 | CSCO | CISCO SYSTEMS, INC. | Dedicoat Chris | Officer | SELL | $34.12 | 34,597 | $1,180,453 | 229,344 |
| 2017-02-25 02:07 | 2017-02-23 | CSCO | CISCO SYSTEMS, INC. | MCGEARY RODERICK C | Director | SELL | $34.07 | 10,000 | $340,700 | 122,721 |
| 2017-02-25 02:03 | 2017-02-22 | CSCO | CISCO SYSTEMS, INC. | WEST STEVEN M | Director | BUY | $33.92 | 3,027 | $102,679 | 66,562 |
| 2017-02-25 02:05 | 2017-02-23 | CSCO | CISCO SYSTEMS, INC. | CHAMBERS JOHN T | Director, Officer | SELL | $34.06 | 295,538 | $10,065,374 | 22,768 |
| 2017-02-25 02:08 | 2017-02-23 | CSCO | CISCO SYSTEMS, INC. | SARIN ARUN | Director | SELL | $34.06 | 13,869 | $472,436 | 14,189 |
| 2017-02-24 01:57 | 2017-02-21 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $9.53 | 25,000 | $238,175 | 10,989,788 |
| 2017-02-23 03:07 | 2017-02-17 | ANET | Arista Networks, Inc. | Sadana Anshul | Officer | OPT+S | $113.89 | 110,000 | $12,527,504 | 21,000 |
| 2017-02-23 02:08 | 2017-02-02 | FFIV | F5, INC. | DiLullo John D | Officer | SELL | $130.81 | 1,635 | $213,875 | 2,977 |
| 2017-02-22 02:32 | 2017-02-17 | ATEN | A10 Networks, Inc. | CHEN LEE | Director, Officer, 10% owner | SELL | $9.52 | 25,000 | $237,950 | 11,014,788 |
| 2017-02-18 04:55 | 2017-02-15 | ANET | Arista Networks, Inc. | Smith Mark Stephen | OPT+S | $100.58 | 5,000 | $502,904 | 63,100 | |
| 2017-02-16 00:02 | 2017-02-13 | ATEN | A10 Networks, Inc. | Straughn Greg | Officer | SELL | $9.83 | 6,272 | $61,635 | 65,561 |
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.