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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2010-01-21 05:27 | 2010-01-19 | NTGR | NETGEAR, INC. | OLSON CHARLES T | Officer | OPT+S | $22.00 | 4,000 | $88,000 | 5,126 |
| 2010-01-16 00:08 | 2010-01-15 | CIEN | CIENA CORP | ALEXANDER STEPHEN B | Officer | SELL | $11.97 | 5,000 | $59,857 | 337,679 |
| 2010-01-14 01:23 | 2010-01-11 | NTGR | NETGEAR, INC. | OLSON CHARLES T | Officer | OPT+S | $22.97 | 2,432 | $55,863 | 5,000 |
| 2010-01-14 01:22 | 2010-01-11 | NTGR | NETGEAR, INC. | LO PATRICK CS | Director, Officer | OPT+S | $23.00 | 20,000 | $460,000 | 25,509 |
| 2010-01-05 00:34 | 2009-12-31 | CIEN | CIENA CORP | PETRIK ANDREW C | Officer | SELL | $10.90 | 5,000 | $54,501 | 84,004 |
| 2009-12-30 21:59 | 2009-12-28 | NTGR | NETGEAR, INC. | OLSON CHARLES T | Officer | OPT+S | $22.35 | 10,000 | $223,500 | 4,404 |
| 2009-12-30 01:35 | 2009-12-21 | CIEN | CIENA CORP | Aquino Michael Gerald | Officer | SELL | $10.91 | 11,112 | $121,236 | 199,602 |
| 2009-12-24 01:15 | 2009-12-21 | CIEN | CIENA CORP | Rothenstein David M | Officer | SELL | $10.91 | 3,197 | $34,881 | 149,276 |
| 2009-12-24 01:26 | 2009-12-21 | CIEN | CIENA CORP | Aquino Michael Gerald | Officer | SELL | $10.80 | 50,970 | $550,456 | 188,118 |
| 2009-12-24 01:22 | 2009-12-22 | CIEN | CIENA CORP | Rowny Michael J | Director | BUY | $10.84 | 2,500 | $27,090 | 25,906 |
| 2009-12-24 01:24 | 2009-12-21 | CIEN | CIENA CORP | FRODSHAM JAMES | Officer | SELL | $10.91 | 10,638 | $116,066 | 160,938 |
| 2009-12-24 01:27 | 2009-12-22 | CIEN | CIENA CORP | SMITH ARTHUR D | Officer | SELL | $10.87 | 26,000 | $282,563 | 260,067 |
| 2009-12-24 01:27 | 2009-12-21 | CIEN | CIENA CORP | SMITH ARTHUR D | Officer | SELL | $10.91 | 14,376 | $156,859 | 286,067 |
| 2009-12-24 01:22 | 2009-12-21 | CLRO | CLEARONE INC | BAGLEY E BRYAN | Director | BUY | $3.00 | 8,056 | $24,141 | 176,208 |
| 2009-12-24 01:23 | 2009-12-21 | CIEN | CIENA CORP | MOYLAN JAMES E JR | Officer | SELL | $10.91 | 6,502 | $70,940 | 273,619 |
| 2009-12-24 01:16 | 2009-12-20 | CIEN | CIENA CORP | PETRIK ANDREW C | Officer | SELL | $10.91 | 3,503 | $38,222 | 89,004 |
| 2009-12-24 01:25 | 2009-12-21 | CIEN | CIENA CORP | ALEXANDER STEPHEN B | Officer | SELL | $10.91 | 21,069 | $229,871 | 342,679 |
| 2009-12-24 01:14 | 2009-12-21 | CIEN | CIENA CORP | SMITH GARY B | Director, Officer | SELL | $10.91 | 36,649 | $399,859 | 709,988 |
| 2009-12-19 01:37 | 2009-12-16 | CLRO | CLEARONE INC | BAGLEY E BRYAN | Director | BUY | $3.00 | 6,397 | $19,189 | 158,152 |
| 2009-12-18 02:21 | 2009-12-15 | NTGR | NETGEAR, INC. | LO PATRICK CS | Director, Officer | OPT+S | $22.00 | 20,000 | $440,000 | 20,416 |
| 2009-12-18 02:20 | 2009-12-15 | NTGR | NETGEAR, INC. | FALCON MICHAEL F | Officer | OPT+S | $22.00 | 209 | $4,598 | 4,247 |
| 2009-12-16 01:47 | 2009-12-11 | CLRO | CLEARONE INC | BAGLEY E BRYAN | Director | BUY | $3.00 | 1,000 | $2,998 | 161,755 |
| 2009-12-16 00:46 | 2009-12-15 | CIEN | CIENA CORP | ALEXANDER STEPHEN B | Officer | SELL | $10.93 | 5,000 | $54,642 | 303,748 |
| 2009-12-09 02:29 | 2009-12-07 | CLRO | CLEARONE INC | BAGLEY E BRYAN | Director | BUY | $2.88 | 33,655 | $97,017 | 160,755 |
| 2009-12-02 22:03 | 2009-12-01 | CLRO | CLEARONE INC | BAGLEY EDWARD D | 10% owner | BUY | $2.68 | 27,622 | $74,027 | 2,149,319 |
| 2009-12-01 01:16 | 2009-11-30 | CLFD | Clearfield, Inc. | ROTH RONALD G | Director | BUY | $3.15 | 4,700 | $14,805 | 768,990 |
| 2009-11-30 17:59 | 2009-11-25 | CLFD | Clearfield, Inc. | ROTH RONALD G | Director | BUY | $3.15 | 5,300 | $16,695 | 764,590 |
| 2009-12-01 02:15 | 2009-11-25 | NTGR | NETGEAR, INC. | WERDANN MICHAEL A | Officer | SELL | $20.95 | 1,700 | $35,623 | 1,109 |
| 2009-12-01 02:14 | 2009-11-25 | NTGR | NETGEAR, INC. | MERRILL MARK G | Officer | OPT+S | $21.00 | 6,473 | $135,933 | 6,424 |
| 2009-11-20 19:11 | 2009-11-19 | CLFD | Clearfield, Inc. | ROTH RONALD G | Director, Officer | BUY | $3.19 | 10,000 | $31,900 | 759,290 |
| 2009-11-20 18:54 | 2009-11-19 | CLFD | Clearfield, Inc. | ZUCKERMAN STEPHEN L | Director | SELL | $3.17 | 6,000 | $19,020 | 7,000 |
| 2009-11-20 02:21 | 2009-11-17 | NTGR | NETGEAR, INC. | FALCON MICHAEL F | Officer | OPT+S | $21.50 | 5,000 | $107,500 | 4,247 |
| 2009-11-18 16:58 | 2009-11-16 | CIEN | CIENA CORP | ALEXANDER STEPHEN B | Officer | SELL | $12.46 | 5,000 | $62,299 | 308,748 |
| 2009-11-19 02:00 | 2009-11-16 | NTGR | NETGEAR, INC. | LO PATRICK CS | Director, Officer | OPT+S | $21.00 | 20,000 | $420,000 | 20,416 |
| 2009-11-14 00:00 | 2009-11-11 | ADTN | Adtran Holdings, Inc. | Wilson James Denson Jr | Officer | OPT+S | $23.68 | 5,249 | $124,286 | 0 |
| 2009-11-14 01:55 | 2009-11-11 | NTGR | NETGEAR, INC. | LO PATRICK CS | Director, Officer | OPT+S | $20.00 | 5,025 | $100,500 | 20,416 |
| 2009-11-14 01:51 | 2009-11-11 | NTGR | NETGEAR, INC. | FALCON MICHAEL F | Officer | OPT+S | $19.52 | 5,208 | $101,660 | 4,247 |
| 2009-10-27 20:27 | 2009-10-23 | NTGR | NETGEAR, INC. | LO PATRICK CS | Director, Officer | OPT+S | $20.00 | 14,975 | $299,500 | 20,416 |
| 2009-10-16 23:04 | 2009-10-15 | CIEN | CIENA CORP | ALEXANDER STEPHEN B | Officer | SELL | $14.27 | 5,000 | $71,333 | 314,203 |
| 2009-09-23 23:16 | 2009-09-21 | CIEN | CIENA CORP | Rothenstein David M | Officer | SELL | $15.47 | 3,267 | $50,550 | 104,473 |
| 2009-09-23 23:13 | 2009-09-21 | CIEN | CIENA CORP | Aquino Michael Gerald | Officer | SELL | $15.47 | 3,946 | $61,059 | 191,306 |
| 2009-09-23 23:17 | 2009-09-21 | CIEN | CIENA CORP | SMITH ARTHUR D | Officer | SELL | $15.47 | 5,451 | $84,338 | 240,898 |
| 2009-09-23 23:15 | 2009-09-21 | CIEN | CIENA CORP | MOYLAN JAMES E JR | Officer | SELL | $15.47 | 6,647 | $102,842 | 212,121 |
| 2009-09-23 23:16 | 2009-09-21 | CIEN | CIENA CORP | PETRIK ANDREW C | Officer | SELL | $15.47 | 1,934 | $29,928 | 72,507 |
| 2009-09-23 23:13 | 2009-09-21 | CIEN | CIENA CORP | ALEXANDER STEPHEN B | Officer | SELL | $15.47 | 7,697 | $119,090 | 319,203 |
| 2009-09-23 23:18 | 2009-09-21 | CIEN | CIENA CORP | SMITH GARY B | Director, Officer | SELL | $15.47 | 18,756 | $290,182 | 611,913 |
| 2009-09-15 23:04 | 2009-09-15 | CIEN | CIENA CORP | ALEXANDER STEPHEN B | Officer | SELL | $15.60 | 5,000 | $78,012 | 326,900 |
| 2009-09-04 03:17 | 2009-09-03 | NTGR | NETGEAR, INC. | LO PATRICK CS | Director, Officer | OPT+S | $19.00 | 20,000 | $380,000 | 20,416 |
| 2009-09-04 03:13 | 2009-09-02 | NTGR | NETGEAR, INC. | LO PATRICK CS | Director, Officer | OPT+S | $18.00 | 20,000 | $360,000 | 20,416 |
| 2009-09-01 17:25 | 2009-08-31 | CLFD | Clearfield, Inc. | ROTH RONALD G | Director | BUY | $3.15 | 1,700 | $5,355 | 749,290 |
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.