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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-01-13 00:11 | 2021-01-11 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $218.70 | 2,500 | $546,750 | 100,600 |
| 2021-01-12 20:08 | 2021-01-06 | DYNT | DYNATRONICS CORP | ESSIG STUART | 10% owner | BUY | $0.00 | 95,847 | $0 | 95,601 |
| 2021-01-11 18:32 | 2020-12-31 | ATAO | Premier Air Charter Holdings Inc. | EROP Enterprises LLC | SELL | $0.25 | 626,500 | $159,131 | 48,915,911 | |
| 2021-01-09 01:11 | 2021-01-06 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | OPT+S | $220.00 | 69,000 | $15,180,000 | 66,241 |
| 2021-01-08 03:45 | 2021-01-05 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $228.09 | 5,000 | $1,140,431 | 15,602 |
| 2021-01-08 00:40 | 2021-01-06 | DXCM | DEXCOM INC | AUGUSTINOS NICHOLAS | Director | SELL | $375.00 | 625 | $234,375 | 11,967 |
| 2021-01-08 02:30 | 2021-01-05 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director, Officer | SELL | $28.84 | 40,000 | $1,153,776 | 115,940 |
| 2021-01-07 00:58 | 2021-01-04 | INSP | Inspire Medical Systems, Inc. | Ban Randy | Officer | OPT+S | $182.15 | 30,187 | $5,498,447 | 229 |
| 2021-01-07 00:18 | 2021-01-05 | BSX | BOSTON SCIENTIFIC CORP | Brennan Daniel J. | Officer | SELL | $35.32 | 17,083 | $603,407 | 263,243 |
| 2021-01-07 00:18 | 2021-01-05 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | SELL | $35.31 | 8,108 | $286,333 | 131,636 |
| 2021-01-07 00:15 | 2021-01-04 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | OPT+S | $212.35 | 11,500 | $2,442,011 | 66,241 |
| 2021-01-07 00:05 | 2021-01-04 | DRIO | DarioHealth Corp. | STERN ADAM K | Director | BUY | $0.00 | 619 | $0 | 24,253 |
| 2021-01-06 15:47 | 2021-01-04 | ATRC | AtriCure, Inc. | Collar Mark A | Director | SELL | $55.36 | 3,000 | $166,080 | 75,558 |
| 2021-01-06 15:45 | 2021-01-04 | ATRC | AtriCure, Inc. | Noznesky Justin J | Officer | OPT+S | $53.58 | 23,397 | $1,253,714 | 42,608 |
| 2021-01-07 03:48 | 2021-01-04 | PEN | Penumbra Inc | Wilder Thomas | Director | SELL | $174.32 | 115 | $20,047 | 148 |
| 2021-01-07 03:47 | 2021-01-04 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $174.32 | 633 | $110,345 | 12,195 |
| 2021-01-07 03:43 | 2021-01-04 | PEN | Penumbra Inc | Pray James Robert | Officer | SELL | $174.55 | 5,000 | $872,743 | 428,431 |
| 2021-01-07 01:10 | 2021-01-04 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $366.06 | 11,025 | $4,035,813 | 21,524 |
| 2021-01-07 01:42 | 2021-01-04 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | BURKE WILLIAM W | Director | OPT+S | $45.13 | 1,500 | $67,695 | 5,843 |
| 2021-01-06 00:20 | 2021-01-04 | BSX | BOSTON SCIENTIFIC CORP | Olson Scott | Officer | SELL | $36.08 | 700 | $25,256 | 11,181 |
| 2021-01-05 20:45 | 2021-01-04 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $213.24 | 1,500 | $319,860 | 32,675 |
| 2021-01-06 00:52 | 2021-01-04 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $211.09 | 2,400 | $506,614 | 88,333 |
| 2021-01-06 00:50 | 2021-01-04 | RMD | RESMED INC | PENDARVIS DAVID | Officer | SELL | $213.24 | 1,487 | $317,088 | 132,207 |
| 2021-01-06 00:37 | 2021-01-04 | PODD | INSULET CORP | Petrovic Shacey | Director, Officer | OPT+S | $250.61 | 15,000 | $3,759,150 | 21,535 |
| 2021-01-05 14:00 | 2020-12-31 | MODD | Modular Medical, Inc. | DiPerna Paul | Director, Officer, 10% owner | SELL | $0.00 | 7,220,400 | $0 | 7,523,456 |
| 2021-01-05 01:48 | 2020-12-23 | OSUR | ORASURE TECHNOLOGIES INC | Weber Kathleen Gallagher | Officer | SELL | $11.76 | 10,000 | $117,600 | 96,544 |
| 2021-01-01 01:29 | 2020-12-31 | XAIR | Beyond Air, Inc. | Lisi Steven A. | Director, Officer | BUY | $5.28 | 38,500 | $203,280 | 929 |
| 2021-01-01 01:25 | 2020-12-24 | ATAO | Premier Air Charter Holdings Inc. | EROP Enterprises LLC | SELL | $0.28 | 215,800 | $59,388 | 49,542,411 | |
| 2020-12-31 21:25 | 2020-12-29 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $239.14 | 5,000 | $1,195,705 | 15,602 |
| 2021-01-01 00:44 | 2020-12-31 | XAIR | Beyond Air, Inc. | BECK DOUGLAS | Officer | BUY | $5.28 | 3,000 | $15,840 | 21,460 |
| 2021-01-01 01:34 | 2020-09-24 | XAIR | Beyond Air, Inc. | BECK DOUGLAS | Officer | BUY | $4.88 | 3,000 | $14,640 | 18,460 |
| 2020-12-29 22:19 | 2020-12-28 | SYK | STRYKER CORP | Boehnlein Glenn S | Officer | SELL | $239.10 | 2,000 | $478,209 | 14,321 |
| 2020-12-30 01:49 | 2020-12-28 | GMED | GLOBUS MEDICAL INC | Huller Kelly | Officer | OPT+S | $66.15 | 2,000 | $132,300 | 0 |
| 2020-12-30 04:58 | 2020-12-28 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $355.39 | 500 | $177,695 | 19,078 |
| 2020-12-28 17:45 | 2020-12-18 | ATAO | Premier Air Charter Holdings Inc. | EROP Enterprises LLC | SELL | $0.30 | 250,219 | $75,816 | 49,758,211 | |
| 2020-12-28 19:03 | 2020-12-23 | KIDS | ORTHOPEDIATRICS CORP | Odle Gregory A | Officer | SELL | $46.19 | 3,750 | $173,213 | 79,981 |
| 2020-12-28 14:21 | 2020-12-24 | VVOS | Vivos Therapeutics, Inc. | Amman Bradford K. | Officer | BUY | $7.38 | 1,000 | $7,380 | 1,000 |
| 2020-12-29 03:18 | 2020-12-22 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $231.91 | 5,000 | $1,159,561 | 15,602 |
| 2020-12-29 04:09 | 2020-12-23 | ATRC | AtriCure, Inc. | CARREL MICHAEL H | Director, Officer | OPT+S | $58.00 | 25,000 | $1,450,000 | 504,504 |
| 2020-12-29 01:43 | 2020-12-23 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $359.85 | 1,079 | $388,276 | 59,781 |
| 2020-12-29 01:43 | 2020-12-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $359.92 | 1,110 | $399,516 | 9,983 |
| 2020-12-29 01:44 | 2020-12-22 | CERS | CERUS CORP | Jayaraman Vivek K | Officer | OPT+S | $8.00 | 56,105 | $448,840 | 135,003 |
| 2020-12-29 01:43 | 2020-12-22 | CERS | CERUS CORP | Menard Chrystal | Officer | OPT+S | $8.00 | 211,327 | $1,690,616 | 48,585 |
| 2020-12-29 01:39 | 2020-12-22 | CERS | CERUS CORP | ANDERSON TIMOTHY B | Director | OPT+S | $8.31 | 39,336 | $326,855 | 200,765 |
| 2020-12-24 02:53 | 2020-12-23 | VVOS | Vivos Therapeutics, Inc. | Huntsman Ronald Kirk | Director, Officer, 10% owner | BUY | $7.27 | 1,000 | $7,267 | 1,500 |
| 2020-12-24 00:23 | 2020-12-21 | ATRC | AtriCure, Inc. | CARREL MICHAEL H | Director, Officer | OPT+S | $56.00 | 74,751 | $4,186,303 | 504,504 |
| 2020-12-23 02:37 | 2020-12-18 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | OPT+S | $157.39 | 207,910 | $32,722,768 | 197,632 |
| 2020-12-23 02:39 | 2020-12-21 | NVCR | NovoCure Ltd | Benaim Ely | Officer | OPT+S | $156.71 | 2,484 | $389,268 | 29,356 |
| 2020-12-23 02:38 | 2020-12-18 | NVCR | NovoCure Ltd | HILLEMAN JERYL L | Director | SELL | $166.40 | 2,500 | $416,000 | 3,400 |
| 2020-12-22 00:09 | 2020-12-17 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Tru St Partnership, L.P. | 10% owner | SELL | $60.77 | 200,000 | $12,154,000 | 9,891,205 |
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.