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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-02-12 00:12 | 2020-02-10 | BSX | BOSTON SCIENTIFIC CORP | Sorenson John Bradley | Officer | SELL | $42.48 | 7,500 | $318,632 | 34,073 |
| 2020-02-12 03:53 | 2020-02-10 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $240.59 | 500 | $120,295 | 26,447 |
| 2020-02-12 03:48 | 2020-02-10 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $242.39 | 6,000 | $1,454,368 | 190,937 |
| 2020-02-11 23:17 | 2020-02-11 | BDX | BECTON DICKINSON & CO | Fraser Claire | Director | SELL | $258.72 | 1,500 | $388,074 | 20,939 |
| 2020-02-10 23:39 | 2020-02-06 | SYK | STRYKER CORP | Doliveux Roch | Director | OPT+S | $217.87 | 3,540 | $771,258 | 21,029 |
| 2020-02-11 01:19 | 2020-02-06 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.30 | 10,000 | $2,970 | 10,143,400 |
| 2020-02-11 01:10 | 2020-02-07 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.44 | 500 | $720 | 14,473,008 |
| 2020-02-11 00:38 | 2020-02-06 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | SELL | $59.17 | 2,106 | $124,612 | 61,006 |
| 2020-02-07 02:01 | 2020-02-04 | INSP | Inspire Medical Systems, Inc. | Ban Randy | Officer | OPT+S | $76.21 | 10,000 | $762,075 | 0 |
| 2020-02-07 01:32 | 2020-01-29 | CERS | CERUS CORP | Swisher Daniel N JR | Director | BUY | $4.15 | 1,000 | $4,150 | 45,910 |
| 2020-02-05 21:25 | 2020-02-03 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $159.46 | 1,350 | $215,271 | 37,170 |
| 2020-02-05 21:22 | 2020-02-03 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $159.46 | 1,200 | $191,352 | 91,974 |
| 2020-02-06 01:02 | 2020-02-03 | TTOO | T2 Biosystems, Inc. | Gibbs Michael Terrence | Officer | SELL | $0.88 | 3,283 | $2,889 | 53,954 |
| 2020-02-06 01:01 | 2020-02-03 | TTOO | T2 Biosystems, Inc. | McDonough John | Director | SELL | $0.88 | 23,754 | $20,904 | 489,114 |
| 2020-02-06 01:01 | 2020-02-03 | TTOO | T2 Biosystems, Inc. | Lowery Thomas J. | Officer | SELL | $0.88 | 7,535 | $6,631 | 62,169 |
| 2020-02-05 21:48 | 2020-02-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $162.37 | 4,739 | $769,469 | 130,564 |
| 2020-02-05 17:04 | 2020-01-31 | SYK | STRYKER CORP | FRANCESCONI LOUISE | Director | OPT+S | $213.65 | 7,513 | $1,605,163 | 16,646 |
| 2020-02-06 02:04 | 2020-02-03 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $237.84 | 1,000 | $237,843 | 14,147 |
| 2020-02-05 22:48 | 2020-02-04 | BDX | BECTON DICKINSON & CO | Campion Simon D | Officer | OPT+S | $285.09 | 8,085 | $2,304,953 | 10,773 |
| 2020-02-05 17:13 | 2020-02-04 | BDX | BECTON DICKINSON & CO | Mas Ribo Alberto | Officer | SELL | $285.00 | 1,430 | $407,550 | 8,381 |
| 2020-02-05 00:21 | 2020-02-03 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $42.17 | 2,150 | $90,666 | 19,899 |
| 2020-02-05 00:21 | 2020-02-03 | BSX | BOSTON SCIENTIFIC CORP | Nanavaty Maulik | Officer | OPT+S | $42.17 | 9,623 | $405,802 | 255,194 |
| 2020-02-05 05:59 | 2020-01-31 | SYK | STRYKER CORP | Doliveux Roch | Director | BUY | $216.67 | 45 | $9,750 | 20,912 |
| 2020-02-05 00:10 | 2020-02-03 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $75.46 | 2,000 | $150,912 | 3,311 |
| 2020-02-04 23:23 | 2020-02-03 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.48 | 2,900 | $4,292 | 14,472,508 |
| 2020-02-04 01:17 | 2020-02-03 | ICUI | ICU MEDICAL INC/DE | Sanzone Virginia Ruth | Officer | SELL | $182.13 | 2,487 | $452,957 | 55 |
| 2020-02-03 22:52 | 2020-01-31 | MMM | 3M CO | Roman Michael F | Director, Officer | OPT+S | $162.00 | 8,906 | $1,442,772 | 39,246 |
| 2020-02-04 04:28 | 2020-01-30 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $176.25 | 3,500 | $616,892 | 54,056 |
| 2020-02-04 04:22 | 2020-01-30 | PEN | Penumbra Inc | Rothman Lynn | Officer | OPT+S | $176.01 | 10,000 | $1,760,108 | 12,332 |
| 2020-02-04 04:18 | 2020-01-30 | PEN | Penumbra Inc | Kosaraju Sridhar | Officer | SELL | $176.15 | 2,500 | $440,373 | 163,851 |
| 2020-02-03 18:29 | 2020-01-31 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.57 | 3,700 | $5,809 | 14,469,608 |
| 2020-02-04 04:21 | 2020-01-29 | CERS | CERUS CORP | MOORE TIMOTHY L. | Director | BUY | $4.15 | 3,614 | $14,998 | 7,911 |
| 2020-02-04 04:20 | 2020-01-29 | CERS | CERUS CORP | ANDERSON TIMOTHY B | Director | BUY | $4.15 | 9,639 | $40,002 | 187,498 |
| 2020-02-04 04:18 | 2020-01-29 | CERS | CERUS CORP | NACHTSHEIM JAMI K | Director | BUY | $4.15 | 2,410 | $10,002 | 2,410 |
| 2020-02-04 04:17 | 2020-01-29 | CERS | CERUS CORP | Witney Frank | Director | BUY | $4.15 | 24,096 | $99,998 | 60,305 |
| 2020-02-04 04:16 | 2020-01-29 | CERS | CERUS CORP | BJERKHOLT ERIC | Director | BUY | $4.15 | 20,000 | $83,000 | 24,282 |
| 2020-02-01 02:28 | 2020-01-29 | TNDM | TANDEM DIABETES CARE INC | Allen Dick | Director | OPT+S | $75.93 | 10,371 | $787,450 | 0 |
| 2020-02-01 02:27 | 2020-01-29 | TNDM | TANDEM DIABETES CARE INC | HANSEN BRIAN B | Officer | OPT+S | $75.80 | 50,000 | $3,790,100 | 2,991 |
| 2020-02-01 01:23 | 2020-01-29 | TNDM | TANDEM DIABETES CARE INC | Vosseller Leigh | Officer | OPT+S | $75.93 | 10,000 | $759,253 | 3,265 |
| 2020-02-01 01:21 | 2020-01-29 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $74.62 | 12,000 | $895,470 | 3,311 |
| 2020-02-01 01:22 | 2020-01-29 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director, Officer | SELL | $75.92 | 50,000 | $3,796,125 | 641,750 |
| 2020-01-31 15:35 | 2020-01-29 | ATRC | AtriCure, Inc. | CARREL MICHAEL H | Director, Officer | OPT+S | $40.00 | 25,000 | $1,000,000 | 626,490 |
| 2020-01-31 23:58 | 2020-01-30 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.25 | 10,000 | $2,500 | 10,133,400 |
| 2020-01-31 23:51 | 2020-01-29 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.73 | 700 | $1,211 | 14,465,908 |
| 2020-01-31 00:07 | 2020-01-28 | DRIO | DarioHealth Corp. | Raphael Erez | Director, Officer | BUY | $0.00 | 15,602 | $0 | 137,028 |
| 2020-01-31 00:07 | 2020-01-28 | DRIO | DarioHealth Corp. | Moller Glen | Director | BUY | $0.00 | 1,846 | $0 | 4,600 |
| 2020-01-31 00:07 | 2020-01-28 | DRIO | DarioHealth Corp. | Kamer Allen | Director | BUY | $0.00 | 1,450 | $0 | 7,864 |
| 2020-01-31 00:07 | 2020-01-28 | DRIO | DarioHealth Corp. | Karah Hila | Director | BUY | $0.00 | 2,378 | $0 | 13,015 |
| 2020-01-31 00:07 | 2020-01-28 | DRIO | DarioHealth Corp. | Shaked Yoav | Director | BUY | $0.00 | 2,378 | $0 | 23,328 |
| 2020-01-31 01:23 | 2020-01-30 | ICUI | ICU MEDICAL INC/DE | SWINNEY ROBERT S | Director | SELL | $184.07 | 268 | $49,331 | 19,704 |
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.