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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-02-22 03:09 | 2019-02-19 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $92.66 | 4,286 | $397,141 | 18,802 |
| 2019-02-22 00:19 | 2019-02-19 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | SELL | $70.03 | 5,000 | $350,150 | 75,694 |
| 2019-02-21 01:09 | 2019-02-15 | OFIX | Orthofix Medical Inc. | Bianchi Davide | Officer | SELL | $65.00 | 24,400 | $1,586,000 | 20,666 |
| 2019-02-20 22:05 | 2019-02-19 | SYK | STRYKER CORP | Scannell Timothy J | Officer | OPT+S | $186.25 | 4,666 | $869,040 | 132,970 |
| 2019-02-20 21:26 | 2019-01-16 | SYK | STRYKER CORP | Scannell Timothy J | Officer | SELL | $163.50 | 4,666 | $762,876 | 132,354 |
| 2019-02-21 01:01 | 2019-02-15 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $148.72 | 1,000 | $148,723 | 16,095 |
| 2019-02-21 03:50 | 2019-02-19 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director, 10% owner | SELL | $16.00 | 1,200 | $19,200 | 477,762 |
| 2019-02-21 00:24 | 2019-02-15 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $69.44 | 3,000 | $208,320 | 54,143 |
| 2019-02-20 02:17 | 2019-02-15 | BSX | BOSTON SCIENTIFIC CORP | Sorenson John Bradley | Officer | OPT+S | $40.22 | 5,000 | $201,081 | 41,599 |
| 2019-02-20 02:14 | 2019-02-14 | BSX | BOSTON SCIENTIFIC CORP | Brennan Daniel J. | Officer | OPT+S | $39.57 | 22,438 | $887,912 | 279,183 |
| 2019-02-20 02:17 | 2019-02-15 | BSX | BOSTON SCIENTIFIC CORP | Nanavaty Maulik | Officer | OPT+S | $40.32 | 3,039 | $122,532 | 241,254 |
| 2019-02-19 22:02 | 2019-02-15 | MMM | 3M CO | Delgado Joaquin | Officer | SELL | $207.30 | 4,897 | $1,015,157 | 22,590 |
| 2019-02-20 02:49 | 2019-02-15 | RMD | RESMED INC | Douglas Robert Andrew | Officer | OPT+S | $99.95 | 4,313 | $431,084 | 154,326 |
| 2019-02-20 00:20 | 2019-02-15 | HAE | HAEMONETICS CORP | GELBMAN RONALD G | Director | OPT+S | $86.52 | 8,196 | $709,118 | 53,062 |
| 2019-02-20 00:19 | 2019-02-15 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.74 | 11,300 | $8,351 | 13,967,752 |
| 2019-02-20 00:28 | 2019-02-14 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Mattys Gerald R. | Director, Officer | SELL | $70.27 | 50,000 | $3,513,465 | 289,607 |
| 2019-02-16 03:11 | 2019-02-13 | UTMD | UTAH MEDICAL PRODUCTS INC | PAYNE BARBARA A | Director | SELL | $92.28 | 2,468 | $227,749 | 21,364 |
| 2019-02-15 22:10 | 2019-02-13 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.73 | 20,521 | $15,013 | 13,956,452 |
| 2019-02-15 01:10 | 2019-02-12 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | OPT+S | $51.46 | 50,000 | $2,573,000 | 171,164 |
| 2019-02-15 02:13 | 2019-02-11 | PDEX | PRO DEX INC | Swenson Nicholas John | Director, 10% owner | SELL | $15.69 | 25,561 | $401,172 | 947,177 |
| 2019-02-15 03:54 | 2019-02-13 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $90.84 | 5,044 | $458,180 | 18,802 |
| 2019-02-15 03:53 | 2019-02-13 | IRTC | iRhythm Holdings, Inc. | Garrett Matthew C. | Officer | OPT+S | $90.10 | 20,203 | $1,820,290 | 20,204 |
| 2019-02-13 22:02 | 2019-02-11 | MMM | 3M CO | Bauman James L | Officer | OPT+S | $200.24 | 16,065 | $3,216,804 | 24,403 |
| 2019-02-14 01:29 | 2019-02-11 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $97.18 | 6,651 | $646,330 | 286,282 |
| 2019-02-14 00:12 | 2019-02-12 | BSX | BOSTON SCIENTIFIC CORP | Fitzgerald Joseph Michael | Officer | OPT+S | $40.00 | 44,236 | $1,769,440 | 197,940 |
| 2019-02-14 03:13 | 2019-02-13 | PDEX | PRO DEX INC | Charlton Alisha | Officer | SELL | $15.81 | 2,114 | $33,419 | 4,778 |
| 2019-02-14 00:08 | 2019-02-11 | NVCR | NovoCure Ltd | LEUNG GABRIEL | Director | OPT+S | $49.59 | 5,000 | $247,950 | 60,000 |
| 2019-02-14 03:23 | 2019-02-11 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $148.90 | 6,000 | $893,399 | 308,837 |
| 2019-02-14 03:11 | 2019-02-13 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director, 10% owner | SELL | $16.04 | 400 | $6,415 | 478,962 |
| 2019-02-14 00:13 | 2019-02-11 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | OPT+S | $69.42 | 5,000 | $347,075 | 107,770 |
| 2019-02-13 00:52 | 2019-02-11 | TTOO | T2 Biosystems, Inc. | Lowery Thomas J. | Officer | OPT+S | $3.36 | 3,005 | $10,097 | 69,704 |
| 2019-02-13 00:51 | 2019-02-11 | TTOO | T2 Biosystems, Inc. | Gibbs Michael Terrence | Officer | OPT+S | $3.36 | 3,005 | $10,097 | 57,237 |
| 2019-02-13 00:47 | 2019-02-11 | TTOO | T2 Biosystems, Inc. | McDonough John | Director, Officer | OPT+S | $3.36 | 8,134 | $27,330 | 448,220 |
| 2019-02-12 19:47 | 2019-02-11 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.73 | 10,368 | $7,558 | 13,935,931 |
| 2019-02-13 05:24 | 2019-02-08 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $142.76 | 400 | $57,104 | 29,308 |
| 2019-02-13 03:08 | 2019-02-11 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director, 10% owner | SELL | $15.65 | 20,749 | $324,790 | 479,362 |
| 2019-02-13 01:19 | 2019-02-11 | CERS | CERUS CORP | Green Kevin Dennis | Officer | OPT+S | $5.86 | 2,783 | $16,313 | 60,825 |
| 2019-02-11 18:26 | 2019-02-07 | MMM | 3M CO | Vrohidis Ippocratis | Officer | OPT+S | $199.51 | 8,153 | $1,626,635 | 786 |
| 2019-02-11 17:35 | 2019-02-08 | MMM | 3M CO | Keel Paul A | Officer | OPT+S | $199.14 | 9,410 | $1,873,924 | 13,599 |
| 2019-02-11 17:25 | 2019-02-07 | MMM | 3M CO | Lindekugel Jon T | Officer | OPT+S | $199.63 | 5,940 | $1,185,791 | 10,475 |
| 2019-02-11 17:29 | 2019-02-07 | MMM | 3M CO | Vale Michael G. | Officer | OPT+S | $199.29 | 8,906 | $1,774,919 | 43,319 |
| 2019-02-11 17:19 | 2019-02-07 | MMM | 3M CO | Bushman Julie L | Officer | OPT+S | $199.90 | 3,123 | $624,296 | 33,529 |
| 2019-02-11 17:15 | 2019-02-07 | MMM | 3M CO | Bushman Julie L | Officer | SELL | $199.66 | 5,829 | $1,163,809 | 36,652 |
| 2019-02-11 17:11 | 2019-02-07 | MMM | 3M CO | Bushman Julie L | Officer | OPT+S | $199.38 | 4,220 | $841,392 | 42,481 |
| 2019-02-11 17:53 | 2019-02-07 | MMM | 3M CO | Gangestad Nicholas C | Officer | OPT+S | $201.34 | 4,681 | $942,450 | 30,691 |
| 2019-02-11 20:07 | 2019-02-04 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.14 | 50,250 | $7,030 | 2,566,376 |
| 2019-02-11 18:42 | 2019-02-08 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.73 | 4,768 | $3,462 | 13,925,563 |
| 2019-02-09 00:48 | 2019-02-06 | SYK | STRYKER CORP | Hutchinson Michael Damon | Officer | SELL | $180.49 | 15,995 | $2,886,877 | 6,282 |
| 2019-02-08 00:04 | 2019-02-05 | INSP | Inspire Medical Systems, Inc. | Erony Joyce | Director | SELL | $53.92 | 37,946 | $2,046,136 | 687,043 |
| 2019-02-08 01:32 | 2019-02-07 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.72 | 2,300 | $1,658 | 13,920,795 |
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.