Surgical & Medical Instruments & Apparatus
Standard Industrial Classification: SIC 3841
Industry Insider Sentiment Analysis
The Surgical & Medical Instruments & Apparatus sector (SIC 3841) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-03-05 00:36 | 2019-03-01 | BSX | BOSTON SCIENTIFIC CORP | Wang Xin Warren | Officer | OPT+S | $40.31 | 10,000 | $403,056 | 84,427 |
| 2019-03-05 00:15 | 2019-03-01 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | OPT+S | $55.57 | 100,000 | $5,556,580 | 233,757 |
| 2019-03-05 00:13 | 2019-03-01 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | OPT+S | $55.63 | 40,586 | $2,257,698 | 25,239 |
| 2019-03-04 18:07 | 2019-03-01 | RMD | RESMED INC | Hollingshead James | Officer | OPT+S | $102.80 | 1,600 | $164,480 | 80,457 |
| 2019-03-05 00:29 | 2019-03-01 | BSX | BOSTON SCIENTIFIC CORP | Ballinger Kevin J. | Officer | OPT+S | $40.74 | 20,900 | $851,552 | 77,572 |
| 2019-03-05 00:34 | 2019-03-01 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | OPT+S | $40.34 | 5,000 | $201,679 | 40,297 |
| 2019-03-05 03:24 | 2019-03-01 | TNDM | TANDEM DIABETES CARE INC | Morrison Susan | Officer | OPT+S | $67.79 | 60,000 | $4,067,370 | 3,745 |
| 2019-03-04 18:05 | 2019-02-28 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $103.00 | 3,000 | $309,000 | 88,390 |
| 2019-03-05 00:14 | 2019-03-01 | NVCR | NovoCure Ltd | LEUNG GABRIEL | Director | OPT+S | $55.01 | 25,000 | $1,375,275 | 60,000 |
| 2019-03-05 01:23 | 2019-03-01 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.74 | 813 | $603 | 13,970,514 |
| 2019-03-05 01:07 | 2019-03-01 | BAX | BAXTER INTERNATIONAL INC | STALLKAMP THOMAS T | Director | SELL | $75.16 | 1,000 | $75,160 | 6,780 |
| 2019-03-05 01:29 | 2019-03-01 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | OPT+S | $69.00 | 3,044 | $210,036 | 107,502 |
| 2019-03-05 01:28 | 2019-03-01 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Mattys Gerald R. | Director, Officer | SELL | $71.53 | 27,302 | $1,952,811 | 261,130 |
| 2019-03-02 00:35 | 2019-02-28 | NVCR | NovoCure Ltd | Ambrogi Michael J. | Officer | OPT+S | $53.68 | 2,397 | $128,671 | 169,305 |
| 2019-03-02 00:32 | 2019-02-28 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | OPT+S | $53.68 | 1,558 | $83,633 | 25,239 |
| 2019-03-02 00:31 | 2019-02-28 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | OPT+S | $54.40 | 903 | $49,119 | 233,757 |
| 2019-03-02 00:30 | 2019-02-28 | NVCR | NovoCure Ltd | Longsworth Todd Christopher | Officer | OPT+S | $53.68 | 2,368 | $127,114 | 36,835 |
| 2019-03-02 01:58 | 2019-02-28 | TNDM | TANDEM DIABETES CARE INC | GREENE HOWARD E JR | Director | SELL | $65.39 | 10,000 | $653,884 | 40,000 |
| 2019-03-01 16:30 | 2019-02-28 | ANIK | Anika Therapeutics Inc. | Darling Joseph G | Director, Officer | BUY | $33.20 | 1,000 | $33,200 | 22,436 |
| 2019-03-02 00:36 | 2019-02-28 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | OPT+S | $53.68 | 3,288 | $176,500 | 66,264 |
| 2019-03-02 00:52 | 2019-02-28 | NVCR | NovoCure Ltd | DOYLE WILLIAM F | Director, Officer | OPT+S | $53.68 | 3,097 | $166,247 | 918,306 |
| 2019-03-01 00:19 | 2019-02-27 | BSX | BOSTON SCIENTIFIC CORP | Thepaut Eric Francis Yves | Officer | SELL | $39.94 | 11,980 | $478,520 | 110,169 |
| 2019-03-01 03:09 | 2019-02-27 | TFX | TELEFLEX INC | Hicks Cameron P | Officer | OPT+S | $288.00 | 2,000 | $576,000 | 4,696 |
| 2019-03-01 00:34 | 2019-02-26 | ANIK | Anika Therapeutics Inc. | LAND RAYMOND J | Director | SELL | $33.06 | 4,000 | $132,240 | 14,992 |
| 2019-02-28 21:39 | 2019-02-26 | UTMD | UTAH MEDICAL PRODUCTS INC | PAYNE BARBARA A | Director | SELL | $85.76 | 1,525 | $130,782 | 19,838 |
| 2019-03-01 01:27 | 2019-02-26 | GMED | GLOBUS MEDICAL INC | TOBIN JAMES R | Director | OPT+S | $47.59 | 37,000 | $1,760,926 | 0 |
| 2019-03-01 04:44 | 2019-02-27 | PODD | INSULET CORP | Levitz Michael L | Officer | SELL | $92.01 | 1,350 | $124,214 | 56,651 |
| 2019-02-27 21:49 | 2019-02-25 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $101.50 | 16,739 | $1,699,009 | 25,639 |
| 2019-02-28 00:56 | 2019-02-26 | REPR | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $1.41 | 10,000 | $14,080 | 3,401,677 |
| 2019-02-28 00:18 | 2019-02-26 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $39.83 | 4,508 | $179,561 | 38,940 |
| 2019-02-27 22:47 | 2019-02-25 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $94.85 | 5,044 | $478,403 | 18,802 |
| 2019-02-27 22:35 | 2019-02-25 | IRTC | iRhythm Holdings, Inc. | Bodaken Bruce G. | Director | OPT+S | $95.90 | 2,158 | $206,961 | 3,142 |
| 2019-02-28 02:39 | 2019-02-27 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Officer | OPT+S | $62.03 | 20,000 | $1,240,556 | 666 |
| 2019-02-27 01:10 | 2019-02-25 | REPR | KORU Medical Systems, Inc. | Allen Robert T | Director | BUY | $1.45 | 10,000 | $14,500 | 10,000 |
| 2019-02-27 02:00 | 2019-02-25 | NVCR | NovoCure Ltd | Ambrogi Michael J. | Officer | OPT+S | $53.63 | 12,230 | $655,870 | 165,528 |
| 2019-02-27 01:56 | 2019-02-25 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | OPT+S | $53.63 | 6,377 | $341,986 | 23,710 |
| 2019-02-27 01:54 | 2019-02-25 | NVCR | NovoCure Ltd | Longsworth Todd Christopher | Officer | OPT+S | $53.63 | 9,325 | $500,081 | 33,647 |
| 2019-02-27 01:58 | 2019-02-25 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | OPT+S | $53.63 | 18,647 | $1,000,001 | 61,835 |
| 2019-02-27 01:08 | 2019-02-25 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.75 | 4,618 | $3,474 | 13,969,701 |
| 2019-02-27 00:55 | 2019-02-07 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.72 | 2,309 | $1,665 | 13,918,126 |
| 2019-02-27 00:18 | 2019-02-22 | LMAT | LEMAITRE VASCULAR INC | Kamke Trent G | Officer | OPT+S | $29.63 | 16,604 | $492,011 | 19,857 |
| 2019-02-27 03:58 | 2019-02-22 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $144.67 | 1,667 | $241,157 | 99,737 |
| 2019-02-26 02:35 | 2019-02-21 | BSX | BOSTON SCIENTIFIC CORP | Butcher Arthur C | Officer | OPT+S | $39.95 | 15,225 | $608,239 | 11,283 |
| 2019-02-25 17:56 | 2019-02-22 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $95.00 | 758 | $72,010 | 18,802 |
| 2019-02-25 22:58 | 2019-02-25 | BDX | BECTON DICKINSON & CO | FORLENZA VINCENT A | Director, Officer | OPT+S | $250.40 | 11,340 | $2,839,536 | 210,907 |
| 2019-02-26 03:52 | 2019-02-21 | CRY | Artivion Inc. | McCall Ronald D | Director | SELL | $29.26 | 6,200 | $181,390 | 137,699 |
| 2019-02-23 00:15 | 2019-02-20 | INSP | Inspire Medical Systems, Inc. | Buchholz Richard | Officer | OPT+S | $56.87 | 2,000 | $113,740 | 4,750 |
| 2019-02-23 02:17 | 2019-02-20 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $39.86 | 1,952 | $77,807 | 50,271 |
| 2019-02-22 19:52 | 2019-02-20 | UTMD | UTAH MEDICAL PRODUCTS INC | PAYNE BARBARA A | Director | SELL | $92.00 | 1 | $92 | 21,363 |
| 2019-02-22 02:41 | 2019-02-19 | INSP | Inspire Medical Systems, Inc. | Herbert Timothy P. | Director, Officer | SELL | $57.34 | 15,000 | $860,100 | 229,624 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Surgical & Medical Instruments & Apparatus sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3841) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Surgical & Medical Instruments & Apparatus
Every transaction in the Surgical & Medical Instruments & 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.