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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-09-12 01:59 | 2020-09-09 | DXCM | DEXCOM INC | Selvaraj Shelly Ramasamy | Officer | SELL | $399.43 | 4,328 | $1,728,725 | 17,753 |
| 2020-09-12 01:59 | 2020-09-09 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $398.30 | 9,965 | $3,969,079 | 142,577 |
| 2020-09-12 01:58 | 2020-09-09 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $398.30 | 4,580 | $1,824,223 | 68,297 |
| 2020-09-12 01:58 | 2020-09-09 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $398.30 | 2,444 | $973,450 | 25,732 |
| 2020-09-12 01:58 | 2020-09-09 | DXCM | DEXCOM INC | Leach Jacob Steven | Officer | SELL | $398.30 | 3,860 | $1,537,446 | 103,548 |
| 2020-09-12 01:58 | 2020-09-09 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $398.30 | 4,699 | $1,871,621 | 46,812 |
| 2020-09-12 01:57 | 2020-09-09 | DXCM | DEXCOM INC | Blackford Quentin S. | Officer | SELL | $399.41 | 25,079 | $10,016,864 | 44,124 |
| 2020-09-12 01:57 | 2020-09-09 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $398.30 | 4,580 | $1,824,223 | 40,823 |
| 2020-09-12 01:57 | 2020-09-09 | DXCM | DEXCOM INC | Abbey Donald | Officer | SELL | $394.43 | 9,739 | $3,841,392 | 50,202 |
| 2020-09-11 00:04 | 2020-09-08 | HAE | HAEMONETICS CORP | Llorens Josep | Officer | SELL | $88.71 | 101 | $8,960 | 4,254 |
| 2020-09-09 22:49 | 2020-09-08 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $207.45 | 5,264 | $1,092,008 | 16,003 |
| 2020-09-08 14:56 | 2020-09-04 | KRMD | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $7.25 | 25,000 | $181,228 | 7,425,716 |
| 2020-09-08 23:10 | 2020-09-03 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | SELL | $42.31 | 9,139 | $386,671 | 106,483 |
| 2020-09-04 14:49 | 2020-09-03 | KRMD | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $7.26 | 25,000 | $181,400 | 7,400,716 |
| 2020-09-04 23:43 | 2020-09-03 | TNDM | TANDEM DIABETES CARE INC | HANSEN BRIAN B | Officer | OPT+S | $111.36 | 39,132 | $4,357,704 | 4,665 |
| 2020-09-04 23:05 | 2020-09-03 | DRIO | DarioHealth Corp. | STERN ADAM K | Director | BUY | $6.66 | 639 | $4,256 | 21,777 |
| 2020-09-04 23:17 | 2020-09-02 | NVCR | NovoCure Ltd | LEUNG GABRIEL | Director | OPT+S | $85.00 | 100 | $8,500 | 72,045 |
| 2020-09-04 23:42 | 2020-09-02 | TNDM | TANDEM DIABETES CARE INC | ROBERTSON REBECCA B | Director | OPT+S | $114.14 | 9,500 | $1,084,356 | 0 |
| 2020-09-05 00:00 | 2020-09-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $177.52 | 5,919 | $1,050,714 | 136,128 |
| 2020-09-03 23:37 | 2020-09-02 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | BUY | $85.01 | 4,200 | $357,054 | 98,786 |
| 2020-09-03 14:56 | 2020-09-02 | KRMD | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $7.46 | 6,500 | $48,462 | 7,375,716 |
| 2020-09-03 23:45 | 2020-09-01 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | OPT+S | $197.17 | 11,500 | $2,267,487 | 66,181 |
| 2020-09-04 03:13 | 2020-09-01 | PEN | Penumbra Inc | Pray James Robert | Officer | SELL | $212.74 | 5,000 | $1,063,678 | 443,431 |
| 2020-09-03 23:46 | 2020-09-02 | GMED | GLOBUS MEDICAL INC | TOBIN JAMES R | Director | OPT+S | $56.85 | 5,600 | $318,360 | 0 |
| 2020-09-02 23:14 | 2020-09-01 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $181.00 | 1,500 | $271,500 | 34,089 |
| 2020-09-03 00:42 | 2020-09-01 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $202.02 | 2,400 | $484,854 | 92,402 |
| 2020-09-02 23:32 | 2020-09-01 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | OPT+S | $40.93 | 60,000 | $2,456,028 | 115,622 |
| 2020-09-02 23:32 | 2020-09-01 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $40.70 | 2,044 | $83,191 | 4,972 |
| 2020-09-03 02:47 | 2020-08-31 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $217.33 | 5,264 | $1,144,028 | 16,003 |
| 2020-09-02 23:36 | 2020-09-01 | PODD | INSULET CORP | Alpuche Charles | Officer | SELL | $220.11 | 3,415 | $751,676 | 41,257 |
| 2020-09-01 23:00 | 2020-09-01 | RVP | RETRACTABLE TECHNOLOGIES INC | Findley Darren E | Director | BUY | $5.92 | 4,200 | $24,864 | 4,200 |
| 2020-09-02 00:19 | 2020-08-28 | TNDM | TANDEM DIABETES CARE INC | Morrison Susan | Officer | OPT+S | $114.00 | 20,000 | $2,280,000 | 6,256 |
| 2020-09-02 00:49 | 2020-07-30 | CMXC | Stimcell Energetics Inc. | MCENULTY FRANK | Director, Officer | BUY | $0.25 | 40,000 | $10,000 | 521,016 |
| 2020-09-01 23:32 | 2020-08-25 | SINT | Sintx Technologies, Inc. | O'Brien David Francis | Officer | BUY | $1.74 | 5,746 | $9,993 | 5,746 |
| 2020-09-01 22:44 | 2020-08-31 | ECIA | ENCISION INC | FRIES ROBERT H | Director | BUY | $0.47 | 40,000 | $18,800 | 540,000 |
| 2020-08-31 23:10 | 2020-08-28 | BSX | BOSTON SCIENTIFIC CORP | Nanavaty Maulik | Officer | OPT+S | $40.45 | 38,000 | $1,537,165 | 228,993 |
| 2020-08-29 00:27 | 2020-08-27 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | OPT+S | $195.00 | 11,500 | $2,242,500 | 66,181 |
| 2020-08-29 02:56 | 2020-08-26 | INFU | InfuSystem Holdings, Inc | Dilorio Richard | Director, Officer | SELL | $13.26 | 100,000 | $1,325,950 | 161,737 |
| 2020-08-28 23:15 | 2020-08-27 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | SELL | $115.34 | 28,800 | $3,321,732 | 0 |
| 2020-08-28 23:21 | 2020-08-28 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $5.56 | 300 | $1,668 | 14,563,189 |
| 2020-08-27 23:17 | 2020-08-26 | BSX | BOSTON SCIENTIFIC CORP | Eddy Jodi Euerle | Officer | SELL | $38.98 | 7,750 | $302,129 | 10,299 |
| 2020-08-27 23:16 | 2020-08-26 | BSX | BOSTON SCIENTIFIC CORP | Sorenson John Bradley | Officer | SELL | $39.06 | 7,500 | $292,971 | 38,171 |
| 2020-08-27 23:17 | 2020-08-26 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | SELL | $39.16 | 10,200 | $399,401 | 178,973 |
| 2020-08-28 00:38 | 2020-08-25 | XAIR | Beyond Air, Inc. | Avniel Amir | Director, Officer | SELL | $5.97 | 3,187 | $19,012 | 326,785 |
| 2020-08-28 00:40 | 2020-08-25 | XAIR | Beyond Air, Inc. | BENTSUR RON | Director | SELL | $5.95 | 1,580 | $9,406 | 189,636 |
| 2020-08-27 23:13 | 2020-08-25 | NVCR | NovoCure Ltd | LEUNG GABRIEL | Director | OPT+S | $80.13 | 7,112 | $569,892 | 72,045 |
| 2020-08-27 00:00 | 2020-08-24 | XAIR | Beyond Air, Inc. | Carey Robert | Director | BUY | $5.70 | 10,000 | $57,000 | 99,418 |
| 2020-08-26 23:41 | 2020-08-25 | TFX | TELEFLEX INC | Klasko Stephen K. M.D. | Director | OPT+S | $373.74 | 200 | $74,748 | 1,121 |
| 2020-08-26 22:16 | 2020-08-24 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $217.80 | 5,264 | $1,146,503 | 16,003 |
| 2020-08-26 23:30 | 2020-08-25 | GMED | GLOBUS MEDICAL INC | TOBIN JAMES R | Director | OPT+S | $54.40 | 17,400 | $946,560 | 0 |
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.