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Sector Analysis

Telephone & Telegraph Apparatus

Standard Industrial Classification: SIC 3661

Industry Insider Sentiment Analysis

The Telephone & Telegraph Apparatus sector (SIC 3661) 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
2020-04-03 03:28 2020-04-02 NTGR NETGEAR, INC. WERDANN MICHAEL A Officer SELL $21.08 830 $17,496 28,854
2020-03-30 17:43 2020-03-25 CIEN CIENA CORP PETRIK ANDREW C Officer SELL $40.00 1 $40 45,647
2020-03-27 18:22 2020-03-26 CIEN CIENA CORP McFeely Scott Officer SELL $40.00 300 $12,000 101,710
2020-03-27 18:27 2020-03-26 CIEN CIENA CORP PETRIK ANDREW C Officer SELL $40.00 1,999 $79,960 43,648
2020-03-27 18:47 2020-03-25 CIEN CIENA CORP SMITH GARY B Director, Officer SELL $39.28 8,500 $333,839 449,014
2020-03-24 22:16 2020-03-23 CIEN CIENA CORP Phipps Jason Officer SELL $35.93 2,327 $83,609 77,179
2020-03-24 22:23 2020-03-23 CIEN CIENA CORP HAMILTON RICK Officer SELL $35.93 2,398 $86,160 72,264
2020-03-18 23:06 2020-03-17 CIEN CIENA CORP McFeely Scott Officer SELL $35.77 1,400 $50,082 103,309
2020-03-18 23:00 2020-03-17 CIEN CIENA CORP Rothenstein David M Officer SELL $36.75 1,632 $59,974 278,567
2020-03-19 00:03 2020-03-17 CIEN CIENA CORP ALEXANDER STEPHEN B Officer SELL $35.07 2,500 $87,679 96,774
2020-03-12 22:13 2020-03-10 CIEN CIENA CORP SMITH GARY B Director, Officer SELL $39.24 8,500 $333,579 469,326
2020-03-10 00:41 2019-04-22 ADTN Adtran Holdings, Inc. NICHOLS ROY J Director SELL $17.50 12,485 $218,479 57,371
2020-03-07 02:09 2020-03-05 FN Fabrinet KELLY THOMAS F Director SELL $60.00 5,000 $300,000 38,997
2020-02-21 22:42 2020-02-19 CIEN CIENA CORP SMITH GARY B Director, Officer SELL $43.95 8,500 $373,546 477,826
2020-02-19 22:41 2020-02-18 CIEN CIENA CORP McFeely Scott Officer SELL $42.83 1,700 $72,811 104,709
2020-02-20 00:42 2020-02-14 ADTN Adtran Holdings, Inc. Whalen Daniel T Officer BUY $8.87 20,000 $177,368 29,700
2020-02-19 22:34 2020-02-18 CIEN CIENA CORP PETRIK ANDREW C Officer SELL $42.83 2,000 $85,660 46,125
2020-02-19 22:31 2020-02-18 CIEN CIENA CORP ALEXANDER STEPHEN B Officer SELL $42.83 2,500 $107,075 99,274
2020-02-18 22:07 2020-02-14 CIEN CIENA CORP Rothenstein David M Officer SELL $43.26 2,500 $108,150 280,199
2020-02-14 00:39 2020-02-11 FN Fabrinet Olson Rollance E. Director SELL $67.33 3,000 $201,999 45,584
2020-02-12 01:07 2020-02-10 CLFD Clearfield, Inc. ROTH RONALD G Director, 10% owner BUY $11.68 5,000 $58,412 1,246,199
2020-02-11 05:17 2020-02-07 FN Fabrinet Olson Rollance E. Director SELL $64.37 2,000 $128,748 48,584
2020-02-11 05:16 2020-02-07 FN Fabrinet Archer Edward T. Officer SELL $64.08 2,243 $143,736 26,468
2020-02-08 04:54 2020-02-05 CIEN CIENA CORP SMITH GARY B Director, Officer SELL $43.03 8,500 $365,785 486,326
2020-02-05 00:54 2020-02-04 NTGR NETGEAR, INC. WERDANN MICHAEL A Officer SELL $26.08 2,556 $66,660 26,797
2020-02-05 00:23 2020-02-03 NTGR NETGEAR, INC. Rogers Tamesa Officer OPT+S $25.57 19,488 $498,295 38,632
2020-01-31 21:20 2020-01-30 CIEN CIENA CORP McFeely Scott Officer SELL $41.68 1,700 $70,856 106,409
2020-01-28 20:17 2019-05-06 ZMTP FiEE, Inc. Wytanis Joseph Officer BUY $1.10 90,910 $100,001 90,910
2020-01-28 17:17 2019-05-06 ZMTP FiEE, Inc. KRAMER PETER ROBIN Director BUY $1.10 90,910 $100,001 405,839
2020-01-28 17:14 2019-05-06 ZMTP FiEE, Inc. MANNING FRANK BLASE Director, Officer BUY $1.10 313,634 $344,997 1,745,773
2020-01-27 22:22 2020-01-23 CIEN CIENA CORP SMITH GARY B Director, Officer SELL $42.88 8,500 $364,502 494,826
2020-01-23 23:13 2020-01-21 CIEN CIENA CORP Rothenstein David M Officer SELL $42.00 2,500 $105,000 282,699
2020-01-17 18:58 2020-01-15 CIEN CIENA CORP PETRIK ANDREW C Officer SELL $41.82 2,000 $83,640 48,125
2020-01-17 19:06 2020-01-15 CIEN CIENA CORP ALEXANDER STEPHEN B Officer SELL $41.82 2,500 $104,550 101,774
2020-01-16 00:16 2020-01-13 CIEN CIENA CORP NEVENS THOMAS MICHAEL Director SELL $41.98 2,000 $83,960 24,675
2020-01-14 00:43 2019-12-19 ZMTP FiEE, Inc. HITCHCOCK JEREMY P. Director, 10% owner BUY $1.30 7,680 $9,984 7,680
2020-01-07 21:37 2020-01-03 CIEN CIENA CORP SMITH GARY B Director, Officer SELL $42.04 8,500 $357,308 503,326
2020-01-07 05:23 2010-01-02 FN Fabrinet Mitchell David T. Director SELL $64.77 30,000 $1,943,142 54,271
2019-12-26 20:16 2019-12-23 CIEN CIENA CORP Phipps Jason Officer SELL $41.86 9,425 $394,531 81,214
2019-12-26 20:31 2019-12-23 CIEN CIENA CORP HAMILTON RICK Officer SELL $41.86 7,119 $298,001 76,586
2019-12-26 20:21 2019-12-23 CIEN CIENA CORP MOYLAN JAMES E JR Officer SELL $41.86 2,000 $83,720 350,261
2019-12-21 00:32 2019-12-18 CIEN CIENA CORP SMITH GARY B Director, Officer SELL $41.26 3,750 $154,706 600,064
2019-12-18 21:22 2019-12-16 CIEN CIENA CORP McFeely Scott Officer SELL $41.72 1,000 $41,720 77,874
2019-12-18 21:16 2019-12-16 CIEN CIENA CORP Rothenstein David M Officer SELL $41.72 2,000 $83,440 263,633
2019-12-18 21:28 2019-12-16 CIEN CIENA CORP PETRIK ANDREW C Officer SELL $41.72 2,000 $83,440 44,960
2019-12-18 21:19 2019-12-16 CIEN CIENA CORP ALEXANDER STEPHEN B Officer SELL $41.72 2,500 $104,300 90,542
2019-12-18 00:06 2019-12-16 CLRO CLEARONE INC BAGLEY EDWARD D 10% owner BUY $1.90 280 $532 7,425,320
2019-12-18 00:04 2019-12-13 CLRO CLEARONE INC HAKIMOGLU ZEYNEP Director, Officer BUY $1.91 13,382 $25,609 827,811
2019-12-17 00:17 2019-12-12 CIEN CIENA CORP PETRIK ANDREW C Officer SELL $40.00 4,000 $160,000 46,960
2019-12-14 00:39 2019-12-12 CIEN CIENA CORP Claflin Bruce L. Director SELL $40.00 5,262 $210,480 83,710
SHOW ENTRIES

Sector-Wide Insider Alpha

Analyzing insider movements across the Telephone & Telegraph Apparatus sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3661) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.

SEC Filings in Telephone & Telegraph Apparatus

Every transaction in the Telephone & Telegraph Apparatus 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.