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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009-06-16 20:15 | 2009-06-10 | NEPH | NEPHROS INC | ROSE ERIC A MD | Director | SELL | $1.36 | 195,151 | $265,249 | 550,000 |
| 2009-06-16 00:57 | 2009-06-12 | MMSI | MERIT MEDICAL SYSTEMS INC | LAMPROPOULOS FRED P | Director, Officer | SELL | $16.05 | 19,593 | $314,395 | 825,776 |
| 2009-06-15 21:00 | 2009-06-12 | MMSI | MERIT MEDICAL SYSTEMS INC | Stephens Martin R | Officer | SELL | $16.08 | 7,400 | $119,008 | 0 |
| 2009-06-15 22:19 | 2009-06-11 | CRY | Artivion Inc. | McCall Ronald D | Director | OPT+S | $5.97 | 5,637 | $33,674 | 147,126 |
| 2009-06-13 00:56 | 2009-06-12 | ARAY | Accuray Incorporated | Raanes Chris | Officer | OPT+S | $7.89 | 50,000 | $394,305 | 17,097 |
| 2009-06-12 04:53 | 2009-06-09 | PDEX | PRO DEX INC | MURPHY MARK PHILLIP | Director, Officer | BUY | $0.43 | 28,000 | $11,906 | 582,185 |
| 2009-06-11 17:37 | 2009-06-10 | GTF | Nuo Therapeutics, Inc. | JORDEN DAVID EMERSON | Director | BUY | $0.49 | 40,000 | $19,600 | 3,357,767 |
| 2009-06-09 20:10 | 2009-06-09 | ATRC | AtriCure, Inc. | Privitera Salvatore | Officer | SELL | $3.75 | 5,000 | $18,750 | 22,026 |
| 2009-06-09 20:09 | 2009-06-08 | ATRC | AtriCure, Inc. | Lucky James L | Officer | SELL | $3.40 | 3,000 | $10,200 | 14,003 |
| 2009-06-09 23:22 | 2009-06-05 | BDX | BECTON DICKINSON & CO | BECTON HENRY P JR | Director | SELL | $67.66 | 1,450 | $98,107 | 30,550 |
| 2009-06-10 00:49 | 2009-06-09 | CRY | Artivion Inc. | COOK JOHN M | Director | OPT+S | $5.65 | 10,000 | $56,500 | 85,000 |
| 2009-06-09 04:56 | 2009-06-04 | ATEC | Alphatec Holdings, Inc. | Foster John | Director, 10% owner | BUY | $2.54 | 3,937,007 | $9,999,998 | 20,031,646 |
| 2009-06-09 04:55 | 2009-06-04 | ATEC | Alphatec Holdings, Inc. | Berkowitz Mortimer III | Director, 10% owner | BUY | $2.54 | 3,937,007 | $9,999,998 | 20,031,646 |
| 2009-06-08 23:40 | 2009-06-05 | ATRC | AtriCure, Inc. | Privitera Salvatore | Officer | SELL | $3.00 | 10,000 | $30,000 | 27,026 |
| 2009-06-05 19:34 | 2009-06-05 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | BUY | $2.85 | 1,500 | $4,275 | 3,905,663 |
| 2009-06-04 20:46 | 2009-06-02 | PDEX | PRO DEX INC | MURPHY MARK PHILLIP | Director, Officer | BUY | $0.39 | 19,504 | $7,544 | 554,185 |
| 2009-06-04 00:29 | 2009-06-01 | OCLS | Sonoma Pharmaceuticals, Inc. | Burlingame Robert | Director | BUY | $1.17 | 569,801 | $666,667 | 859,034 |
| 2009-06-03 23:44 | 2009-06-01 | ECI | ENCISION INC | FRIES ROBERT H | Director | BUY | $1.78 | 6,000 | $10,650 | 64,500 |
| 2009-06-03 23:31 | 2009-06-01 | ATRC | AtriCure, Inc. | ROBARDS KAREN P | Director | BUY | $2.55 | 10,000 | $25,450 | 288,921 |
| 2009-06-02 23:59 | 2009-06-01 | ARAY | Accuray Incorporated | Thomson Euan | Director, Officer | OPT+S | $6.08 | 35,000 | $212,884 | 0 |
| 2009-06-01 16:14 | 2009-05-29 | GTF | Nuo Therapeutics, Inc. | JORDEN DAVID EMERSON | Director | BUY | $0.50 | 20,000 | $10,000 | 3,317,767 |
| 2009-05-29 22:15 | 2009-05-27 | PDEX | PRO DEX INC | MURPHY MARK PHILLIP | Director, Officer | BUY | $0.39 | 6,679 | $2,576 | 534,681 |
| 2009-05-29 22:16 | 2009-05-29 | LMAT | LEMAITRE VASCULAR INC | Linden Robert V | Officer | BUY | $2.85 | 600 | $1,709 | 32,142 |
| 2009-05-29 19:24 | 2009-05-27 | ATRC | AtriCure, Inc. | ROBARDS KAREN P | Director | BUY | $2.57 | 5,000 | $12,850 | 278,921 |
| 2009-05-29 20:45 | 2009-05-28 | GTF | Nuo Therapeutics, Inc. | JORDEN DAVID EMERSON | Director | BUY | $0.50 | 10,000 | $5,000 | 3,297,767 |
| 2009-05-28 23:30 | 2009-05-26 | BVX | Apyx Medical Corporation | MAKRIDES ANDREW | Director, Officer | SELL | $7.07 | 57,500 | $406,249 | 599,213 |
| 2009-05-28 23:05 | 2009-05-26 | BSX | BOSTON SCIENTIFIC CORP | MCCONNELL WILLIAM F JR | Officer | SELL | $8.87 | 23,060 | $204,611 | 48,949 |
| 2009-05-28 19:32 | 2009-05-28 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | BUY | $2.81 | 1,250 | $3,513 | 3,904,163 |
| 2009-05-28 13:18 | 2009-05-26 | GFT | Nuo Therapeutics, Inc. | JORDEN DAVID EMERSON | Director | BUY | $0.50 | 10,000 | $5,000 | 3,287,767 |
| 2009-05-26 21:59 | 2009-05-21 | BVX | Apyx Medical Corporation | MAKRIDES ANDREW | Director, Officer | SELL | $7.18 | 47,500 | $341,064 | 656,713 |
| 2009-05-26 19:23 | 2009-05-22 | GTF | Nuo Therapeutics, Inc. | Maslan Andrew Scott | Officer | BUY | $0.52 | 2,500 | $1,300 | 47,700 |
| 2009-05-26 18:56 | 2009-05-22 | GTF | Nuo Therapeutics, Inc. | ROSENDALE MARTIN P | Director, Officer | BUY | $0.52 | 3,000 | $1,554 | 51,034 |
| 2009-05-21 16:37 | 2009-05-20 | ATRC | AtriCure, Inc. | Lucky James L | Officer | SELL | $2.75 | 7,500 | $20,631 | 17,003 |
| 2009-05-21 16:15 | 2009-05-20 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $39.90 | 60,000 | $2,394,006 | 18,756,682 |
| 2009-05-20 20:00 | 2009-05-19 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $39.40 | 60,000 | $2,363,994 | 18,816,682 |
| 2009-05-20 22:24 | 2009-05-19 | MMM | 3M CO | YEOMANS JAN L | Officer | SELL | $59.40 | 2,500 | $148,500 | 68,083 |
| 2009-05-21 02:30 | 2009-05-20 | CYTX | PLUS THERAPEUTICS, INC. | CALHOUN CHRISTOPHER J | Director, Officer | BUY | $2.92 | 6,600 | $19,272 | 36,850 |
| 2009-05-20 17:00 | 2009-05-19 | GFT | Nuo Therapeutics, Inc. | JORDEN DAVID EMERSON | Director | BUY | $0.52 | 10,000 | $5,200 | 3,271,767 |
| 2009-05-19 23:12 | 2009-05-15 | BSX | BOSTON SCIENTIFIC CORP | ABELE JOHN E | Director | SELL | $8.73 | 200,000 | $1,745,300 | 22,822,530 |
| 2009-05-19 15:31 | 2009-05-18 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $39.23 | 60,000 | $2,353,536 | 18,876,682 |
| 2009-05-19 23:49 | 2009-05-19 | CYTX | PLUS THERAPEUTICS, INC. | CALHOUN CHRISTOPHER J | Director, Officer | BUY | $2.99 | 3,250 | $9,718 | 30,250 |
| 2009-05-19 22:11 | 2009-05-18 | GFT | Nuo Therapeutics, Inc. | JORDEN DAVID EMERSON | Director | BUY | $0.52 | 10,000 | $5,200 | 3,261,767 |
| 2009-05-18 22:20 | 2009-05-18 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | BUY | $2.90 | 1,000 | $2,900 | 3,902,913 |
| 2009-05-19 02:40 | 2009-05-15 | CYTX | PLUS THERAPEUTICS, INC. | CALHOUN CHRISTOPHER J | Director, Officer | BUY | $2.81 | 7,000 | $19,700 | 27,000 |
| 2009-05-18 23:02 | 2009-05-15 | DXCM | DEXCOM INC | GRAHAM CLAUDIA | Officer | BUY | $4.07 | 2,500 | $10,185 | 18,741 |
| 2009-05-15 23:15 | 2009-05-13 | BSX | BOSTON SCIENTIFIC CORP | ABELE JOHN E | Director | SELL | $8.89 | 200,000 | $1,778,400 | 23,022,530 |
| 2009-05-15 21:19 | 2009-05-15 | ATRC | AtriCure, Inc. | Preiss Frederick | Officer | SELL | $2.40 | 8,500 | $20,400 | 8,680 |
| 2009-05-15 17:11 | 2009-05-13 | BVX | Apyx Medical Corporation | KROMER GEORGE W | Director | SELL | $7.14 | 9,000 | $64,260 | 273,008 |
| 2009-05-15 21:20 | 2009-02-02 | NEP | NEPHROS INC | Enso Capital Management LLC | 10% owner | SELL | $0.05 | 1,589,151 | $79,458 | 3,407,616 |
| 2009-05-15 20:35 | 2009-05-14 | PDII | INTERPACE BIOSCIENCES, INC. | VECSI JAN MARTENS | Director | BUY | $3.37 | 5,000 | $16,832 | 28,813 |
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.