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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-05-08 23:06 | 2020-05-07 | DRIO | DarioHealth Corp. | STERN ADAM K | Director | BUY | $6.66 | 639 | $4,256 | 16,271 |
| 2020-05-09 01:59 | 2020-05-06 | SYK | STRYKER CORP | Datar Srikant M. | Director | OPT+S | $190.07 | 900 | $171,061 | 15,991 |
| 2020-05-08 23:24 | 2020-05-07 | TNDM | TANDEM DIABETES CARE INC | TWOMEY CHRISTOPHER J | Director | SELL | $90.03 | 7,500 | $675,215 | 22,500 |
| 2020-05-09 00:02 | 2020-05-08 | ATRC | AtriCure, Inc. | CARREL MICHAEL H | Director, Officer | OPT+S | $45.00 | 25,000 | $1,125,000 | 514,147 |
| 2020-05-08 21:29 | 2020-05-08 | BDX | BECTON DICKINSON & CO | Fraser Claire | Director | SELL | $256.56 | 771 | $197,808 | 20,168 |
| 2020-05-08 00:17 | 2020-05-05 | TFX | TELEFLEX INC | Deren John | Officer | SELL | $330.10 | 1,093 | $360,797 | 986 |
| 2020-05-07 23:48 | 2020-05-05 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | SELL | $62.20 | 1,149 | $71,468 | 100,693 |
| 2020-05-07 17:52 | 2020-05-06 | MMM | 3M CO | Hammes Eric D. | Officer | OPT+S | $146.36 | 1,026 | $150,165 | 9,801 |
| 2020-05-08 04:18 | 2020-05-05 | SYK | STRYKER CORP | Owen Katherine Ann | Officer | SELL | $186.79 | 9,149 | $1,708,910 | 1,085 |
| 2020-05-07 23:41 | 2020-05-05 | NVCR | NovoCure Ltd | DOYLE WILLIAM F | Director, Officer | OPT+S | $63.36 | 60,164 | $3,812,172 | 567,883 |
| 2020-05-08 01:01 | 2020-05-07 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $4.76 | 200 | $952 | 14,557,206 |
| 2020-05-08 00:14 | 2020-05-05 | CRY | Artivion Inc. | McCall Ronald D | Director | SELL | $22.82 | 1,719 | $39,219 | 127,766 |
| 2020-05-06 17:04 | 2020-05-05 | MMM | 3M CO | Keel Paul A | Officer | OPT+S | $147.17 | 10,249 | $1,508,297 | 16,831 |
| 2020-05-06 23:10 | 2020-05-04 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $103.78 | 11,264 | $1,168,952 | 15,679 |
| 2020-05-07 02:32 | 2020-05-05 | LYRA | Lyra Therapeutics, Inc. | ANDERSON EDWARD T | Director, 10% owner | BUY | $16.00 | 250,000 | $4,000,000 | 553,123 |
| 2020-05-07 02:32 | 2020-05-05 | LYRA | Lyra Therapeutics, Inc. | ANDERSON EDWARD T | Director, 10% owner | SELL | $16.00 | 24,183 | $386,928 | 478,123 |
| 2020-05-06 23:31 | 2020-05-04 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $155.06 | 4,737 | $734,515 | 130,642 |
| 2020-05-07 02:38 | 2020-05-05 | LYRA | Lyra Therapeutics, Inc. | NBVM GP, LLC | 10% owner | BUY | $16.00 | 250,000 | $4,000,000 | 553,123 |
| 2020-05-07 02:38 | 2020-05-05 | LYRA | Lyra Therapeutics, Inc. | NBVM GP, LLC | 10% owner | SELL | $16.00 | 24,183 | $386,928 | 478,123 |
| 2020-05-07 02:30 | 2020-05-05 | LYRA | Lyra Therapeutics, Inc. | Polaris Venture Management Co. V, L.L.C. | 10% owner | BUY | $16.00 | 62,500 | $1,000,000 | 7,274 |
| 2020-05-07 02:30 | 2020-05-05 | LYRA | Lyra Therapeutics, Inc. | Polaris Venture Management Co. V, L.L.C. | 10% owner | SELL | $16.00 | 9,674 | $154,784 | 6,861 |
| 2020-05-07 03:34 | 2020-05-04 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $344.63 | 6,000 | $2,067,761 | 164,542 |
| 2020-05-05 18:35 | 2020-05-04 | MMM | 3M CO | Silberhorn Ty R | Officer | OPT+S | $146.46 | 14,623 | $2,141,685 | 1,948 |
| 2020-05-05 19:56 | 2020-05-01 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $164.00 | 1,500 | $246,000 | 32,670 |
| 2020-05-05 23:32 | 2020-05-04 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | OPT+S | $60.08 | 1,184 | $71,134 | 101,842 |
| 2020-05-05 18:29 | 2020-05-04 | MMM | 3M CO | Ashish Khandpur K | Officer | OPT+S | $146.85 | 3,605 | $529,399 | 15,588 |
| 2020-05-05 19:44 | 2020-05-01 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $164.00 | 1,200 | $196,800 | 93,365 |
| 2020-05-06 00:13 | 2020-05-01 | WST | WEST PHARMACEUTICAL SERVICES INC | MILLER GEORGE LLOYD | Officer | SELL | $189.38 | 1,805 | $341,837 | 7,540 |
| 2020-05-04 23:36 | 2020-05-01 | MMM | 3M CO | Roman Michael F | Director, Officer | OPT+S | $148.70 | 7,894 | $1,173,827 | 49,974 |
| 2020-05-05 03:25 | 2020-04-30 | SYK | STRYKER CORP | Doliveux Roch | Director | BUY | $190.09 | 51 | $9,694 | 21,080 |
| 2020-05-05 01:13 | 2020-05-04 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $78.33 | 2,000 | $156,650 | 3,311 |
| 2020-05-05 01:12 | 2020-04-30 | TNDM | TANDEM DIABETES CARE INC | TWOMEY CHRISTOPHER J | Director | SELL | $80.00 | 4,308 | $344,640 | 25,000 |
| 2020-05-04 23:26 | 2020-04-30 | PODD | INSULET CORP | Nevinny Corinne H | Director | SELL | $196.21 | 1,659 | $325,505 | 3,254 |
| 2020-05-02 02:04 | 2020-05-01 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $2.87 | 500 | $1,435 | 14,557,006 |
| 2020-04-30 19:10 | 2020-04-28 | WST | WEST PHARMACEUTICAL SERVICES INC | Abraham Silji | Officer | OPT+S | $200.66 | 500 | $100,328 | 4,541 |
| 2020-05-01 03:31 | 2020-04-28 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Mattys Gerald R. | Director, Officer | OPT+S | $55.67 | 40,000 | $2,226,800 | 231,784 |
| 2020-04-29 23:56 | 2020-04-27 | RMED | Catheter Precision, Inc. | Irwin Dean | 10% owner | SELL | $1.05 | 130,800 | $136,817 | 2,743,852 |
| 2020-04-29 23:15 | 2020-04-27 | CTSO | Cytosorbents Corp | Capponi Vincent | Officer | OPT+S | $10.00 | 10,000 | $100,000 | 417,649 |
| 2020-04-29 18:46 | 2020-04-28 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $2.91 | 1,200 | $3,492 | 14,556,506 |
| 2020-04-29 23:48 | 2020-04-27 | WST | WEST PHARMACEUTICAL SERVICES INC | Favorite Annette F | Officer | OPT+S | $196.90 | 14,192 | $2,794,420 | 8,209 |
| 2020-04-29 23:03 | 2020-04-27 | BAX | BAXTER INTERNATIONAL INC | Mason Jeanne K | Officer | OPT+S | $93.13 | 47,146 | $4,390,608 | 116,339 |
| 2020-04-29 23:41 | 2020-04-27 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $52.66 | 2,330 | $122,698 | 47,778 |
| 2020-04-29 00:07 | 2020-04-27 | TFX | TELEFLEX INC | Klasko Stephen K. M.D. | Director | OPT+S | $342.26 | 200 | $68,452 | 738 |
| 2020-04-29 03:21 | 2020-04-27 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | SELL | $0.60 | 17,272 | $10,363 | 11,252,028 |
| 2020-04-29 03:21 | 2020-04-21 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.15 | 1,005,500 | $152,333 | 11,269,300 |
| 2020-04-28 03:23 | 2020-04-23 | PEN | Penumbra Inc | Bose Arani | Director, Officer | SELL | $185.53 | 9,100 | $1,688,286 | 570,662 |
| 2020-04-28 00:29 | 2020-04-27 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $3.11 | 1,500 | $4,665 | 14,555,306 |
| 2020-04-28 00:00 | 2020-04-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $318.57 | 1,530 | $487,412 | 7,653 |
| 2020-04-27 23:51 | 2020-04-23 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $318.57 | 1,531 | $487,731 | 79,001 |
| 2020-04-25 00:46 | 2020-04-23 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $3.08 | 1,100 | $3,383 | 14,553,806 |
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.