Ship & Boat Building & Repairing
Standard Industrial Classification: SIC 3730
Industry Insider Sentiment Analysis
The Ship & Boat Building & Repairing sector (SIC 3730) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2008-09-22 23:56 | 2008-09-18 | MPX | MARINE PRODUCTS CORP | LANE JAMES A JR | Director, Officer | SELL | $8.53 | 50,000 | $426,330 | 371,529 |
| 2008-08-28 20:50 | 2008-08-27 | GD | GENERAL DYNAMICS CORP | CASEY JOHN PATRICK | Officer | OPT+S | $92.43 | 26,312 | $2,431,918 | 65,543 |
| 2008-08-27 19:01 | 2008-08-25 | GD | GENERAL DYNAMICS CORP | OLIVER WALTER M | Officer | OPT+S | $90.98 | 48,912 | $4,450,014 | 80,846 |
| 2008-08-12 17:52 | 2008-08-08 | GD | GENERAL DYNAMICS CORP | HALL CHARLES M | Officer | OPT+S | $92.91 | 71,250 | $6,619,595 | 105,105 |
| 2008-08-08 18:50 | 2008-08-06 | GD | GENERAL DYNAMICS CORP | NOVAKOVIC PHEBE N | Officer | OPT+S | $90.23 | 7,159 | $645,949 | 45,088 |
| 2008-07-30 18:10 | 2008-07-28 | GD | GENERAL DYNAMICS CORP | DEMURO GERARD J | Officer | OPT+S | $88.40 | 20,555 | $1,817,031 | 104,411 |
| 2008-07-30 22:31 | 2008-07-28 | MPX | MARINE PRODUCTS CORP | LANE JAMES A JR | Director, Officer | SELL | $8.02 | 7,500 | $60,123 | 0 |
| 2008-05-15 00:06 | 2008-05-13 | GD | GENERAL DYNAMICS CORP | SAVNER DAVID A | Officer | OPT+S | $92.59 | 30,462 | $2,820,611 | 118,563 |
| 2008-05-15 00:37 | 2008-05-13 | GD | GENERAL DYNAMICS CORP | HALL CHARLES M | Officer | OPT+S | $92.65 | 28,698 | $2,658,878 | 106,183 |
| 2008-05-13 21:34 | 2008-05-09 | GD | GENERAL DYNAMICS CORP | KEANE JOHN M | Director | OPT+S | $90.46 | 8,510 | $769,786 | 4,927 |
| 2008-05-13 21:35 | 2008-05-09 | GD | GENERAL DYNAMICS CORP | LOMBARDO JOSEPH T | Officer | OPT+S | $90.63 | 12,887 | $1,167,920 | 64,565 |
| 2008-03-07 21:06 | 2008-03-05 | GD | GENERAL DYNAMICS CORP | FRICKS WILLIAM P | Director | OPT+S | $83.21 | 1,766 | $146,951 | 11,363 |
| 2008-02-29 00:41 | 2008-02-27 | GD | GENERAL DYNAMICS CORP | JOHNSON JAY L | Director | OPT+S | $84.41 | 5,200 | $438,925 | 3,994 |
| 2008-02-29 00:19 | 2008-02-27 | GD | GENERAL DYNAMICS CORP | KAMINSKI PAUL G | Director | OPT+S | $84.00 | 5,600 | $470,400 | 25,869 |
| 2008-02-29 00:43 | 2008-02-27 | GD | GENERAL DYNAMICS CORP | MUNDY CARL E JR | Director | OPT+S | $83.50 | 5,600 | $467,600 | 9,551 |
| 2008-02-27 00:50 | 2008-02-25 | GD | GENERAL DYNAMICS CORP | JOULWAN GEORGE A | Director | OPT+S | $83.65 | 5,450 | $455,881 | 11,211 |
| 2007-12-14 22:22 | 2007-12-13 | GD | GENERAL DYNAMICS CORP | SCHWARTZ JOHN W | Officer | OPT+S | $92.01 | 10,372 | $954,329 | 39,117 |
| 2007-12-13 22:23 | 2007-12-11 | GD | GENERAL DYNAMICS CORP | CHANDLER MICHAEL E | Officer | SELL | $93.20 | 8,600 | $801,537 | 51,682 |
| 2007-12-12 21:56 | 2007-12-11 | GD | GENERAL DYNAMICS CORP | Marzilli Christopher | Officer | OPT+S | $93.60 | 6,870 | $643,006 | 17,212 |
| 2007-12-07 23:23 | 2007-12-06 | GD | GENERAL DYNAMICS CORP | SAVNER DAVID A | Officer | OPT+S | $93.04 | 27,650 | $2,572,614 | 135,710 |
| 2007-12-07 23:16 | 2007-12-06 | GD | GENERAL DYNAMICS CORP | HEEBNER DAVID K | Officer | OPT+S | $92.27 | 28,890 | $2,665,651 | 77,269 |
| 2007-12-07 23:36 | 2007-12-06 | GD | GENERAL DYNAMICS CORP | CHABRAJA NICHOLAS D | Director, Officer | OPT+S | $92.77 | 242,340 | $22,482,827 | 1,834,419 |
| 2007-11-20 23:25 | 2007-11-20 | GD | GENERAL DYNAMICS CORP | SAVNER DAVID A | Officer | OPT+S | $89.70 | 5,000 | $448,500 | 135,710 |
| 2007-11-13 23:00 | 2007-11-12 | GD | GENERAL DYNAMICS CORP | OLIVER WALTER M | Officer | OPT+S | $86.85 | 64,140 | $5,570,559 | 72,437 |
| 2007-11-05 23:34 | 2007-11-01 | GD | GENERAL DYNAMICS CORP | SCHWARTZ JOHN W | Officer | OPT+S | $90.72 | 3,160 | $286,675 | 40,077 |
| 2007-11-02 16:14 | 2007-10-31 | GD | GENERAL DYNAMICS CORP | NOVAKOVIC PHEBE N | Officer | OPT+S | $90.40 | 14,850 | $1,342,434 | 38,776 |
| 2007-10-31 20:00 | 2007-10-29 | GD | GENERAL DYNAMICS CORP | Von Thaer Lewis | Officer | OPT+S | $90.19 | 6,390 | $576,310 | 21,597 |
| 2007-10-31 19:02 | 2007-10-29 | GD | GENERAL DYNAMICS CORP | TONER MICHAEL W | Officer | OPT+S | $90.54 | 77,090 | $6,979,883 | 113,691 |
| 2007-10-31 20:17 | 2007-10-29 | GD | GENERAL DYNAMICS CORP | LOMBARDO JOSEPH T | Officer | OPT+S | $90.23 | 16,860 | $1,521,322 | 48,729 |
| 2007-10-31 20:07 | 2007-10-29 | GD | GENERAL DYNAMICS CORP | HALL CHARLES M | Officer | OPT+S | $90.21 | 29,722 | $2,681,349 | 98,957 |
| 2007-10-31 20:19 | 2007-10-30 | GD | GENERAL DYNAMICS CORP | CHABRAJA NICHOLAS D | Director, Officer | OPT+S | $90.42 | 241,000 | $21,790,063 | 1,718,759 |
| 2007-09-14 22:47 | 2007-09-13 | GD | GENERAL DYNAMICS CORP | CASEY JOHN PATRICK | Officer | OPT+S | $80.91 | 7,957 | $643,771 | 63,573 |
| 2007-09-14 15:44 | 2007-09-12 | GD | GENERAL DYNAMICS CORP | JOULWAN GEORGE A | Director | OPT+S | $80.06 | 5,600 | $448,319 | 11,463 |
| 2007-09-12 22:11 | 2007-09-11 | GD | GENERAL DYNAMICS CORP | HEEBNER DAVID K | Officer | OPT+S | $79.50 | 32,000 | $2,543,974 | 74,871 |
| 2007-06-08 21:06 | 2007-06-07 | GD | GENERAL DYNAMICS CORP | CHANDLER MICHAEL E | Officer | OPT+S | $80.11 | 28,852 | $2,311,351 | 55,996 |
| 2007-05-23 21:57 | 2007-05-21 | GD | GENERAL DYNAMICS CORP | SCHWARTZ JOHN W | Officer | SELL | $82.06 | 3,000 | $246,189 | 42,149 |
| 2007-05-23 16:53 | 2007-05-21 | GD | GENERAL DYNAMICS CORP | SAVNER DAVID A | Officer | OPT+S | $81.92 | 1,219 | $99,860 | 136,610 |
| 2007-05-10 21:15 | 2007-05-09 | GD | GENERAL DYNAMICS CORP | JOULWAN GEORGE A | Director | SELL | $80.41 | 7,000 | $562,854 | 11,463 |
| 2007-05-04 18:45 | 2007-05-03 | GD | GENERAL DYNAMICS CORP | DEMURO GERARD J | Officer | OPT+S | $80.71 | 25,412 | $2,050,969 | 91,458 |
| 2007-03-01 22:56 | 2007-02-27 | GD | GENERAL DYNAMICS CORP | SCHWARTZ JOHN W | Officer | SELL | $76.04 | 6,269 | $476,718 | 855 |
| 2007-02-22 23:09 | 2007-02-20 | GD | GENERAL DYNAMICS CORP | KAMINSKI PAUL G | Director | OPT+S | $79.14 | 3,600 | $284,918 | 27,374 |
| 2007-02-20 17:05 | 2007-02-16 | GD | GENERAL DYNAMICS CORP | CHANDLER MICHAEL E | Officer | SELL | $79.14 | 7,638 | $604,471 | 52,446 |
| 2007-02-16 23:01 | 2007-02-14 | GD | GENERAL DYNAMICS CORP | MUNDY CARL E JR | Director | OPT+S | $79.57 | 2,130 | $169,488 | 9,348 |
| 2007-02-14 23:46 | 2007-02-13 | GD | GENERAL DYNAMICS CORP | KEANE JOHN M | Director | OPT+S | $79.98 | 2,300 | $183,954 | 3,289 |
| 2007-02-06 20:56 | 2007-02-02 | GD | GENERAL DYNAMICS CORP | SAVNER DAVID A | Officer | SELL | $78.83 | 10,181 | $802,568 | 129,071 |
| 2007-02-06 20:55 | 2007-02-02 | GD | GENERAL DYNAMICS CORP | MOSS BRYAN T | Officer | OPT+S | $78.93 | 7,400 | $584,115 | 44,075 |
| 2007-02-01 19:08 | 2007-01-30 | GD | GENERAL DYNAMICS CORP | JOULWAN GEORGE A | Director | OPT+S | $76.93 | 2,200 | $169,246 | 18,008 |
| 2006-12-18 19:37 | 2006-12-15 | GD | GENERAL DYNAMICS CORP | OLIVER WALTER M | Officer | OPT+S | $72.84 | 34,565 | $2,517,763 | 62,577 |
| 2006-12-11 19:54 | 2006-12-07 | GD | GENERAL DYNAMICS CORP | SCHWARTZ JOHN W | Officer | OPT+S | $75.13 | 7,700 | $578,464 | 48,030 |
| 2006-12-08 23:47 | 2006-12-06 | GD | GENERAL DYNAMICS CORP | HEEBNER DAVID K | Officer | OPT+S | $75.43 | 21,360 | $1,611,234 | 75,242 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Ship & Boat Building & Repairing sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3730) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Ship & Boat Building & Repairing
Every transaction in the Ship & Boat Building & Repairing 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.