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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-09-12 23:25 | 2019-09-10 | DXCM | DEXCOM INC | Blackford Quentin S. | Officer | SELL | $141.25 | 10,320 | $1,457,692 | 69,754 |
| 2019-09-12 23:13 | 2019-09-10 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | OPT+S | $48.69 | 4,813 | $234,365 | 45,862 |
| 2019-09-11 23:34 | 2019-09-09 | HAE | HAEMONETICS CORP | Scanlan Jacqueline | Officer | OPT+S | $127.44 | 1,531 | $195,111 | 4,695 |
| 2019-09-11 23:11 | 2019-09-09 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | OPT+S | $78.19 | 50,000 | $3,909,380 | 87,179 |
| 2019-09-11 23:15 | 2019-09-09 | INSP | Inspire Medical Systems, Inc. | NELSON MARILYN C | Director | SELL | $66.71 | 60,000 | $4,002,582 | 300,517 |
| 2019-09-12 04:45 | 2019-09-09 | DXCM | DEXCOM INC | MOY JEFFREY | Officer | SELL | $149.85 | 4,601 | $689,475 | 34,869 |
| 2019-09-12 04:42 | 2019-09-09 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $151.56 | 9,107 | $1,380,234 | 60,302 |
| 2019-09-12 04:36 | 2019-09-09 | DXCM | DEXCOM INC | Blackford Quentin S. | Officer | SELL | $149.86 | 11,686 | $1,751,231 | 80,074 |
| 2019-09-12 04:32 | 2019-09-09 | DXCM | DEXCOM INC | ACE HEATHER S | Officer | SELL | $151.22 | 6,415 | $970,072 | 52,676 |
| 2019-09-12 04:30 | 2019-09-09 | DXCM | DEXCOM INC | Abbey Donald | Officer | SELL | $149.85 | 5,843 | $875,598 | 80,550 |
| 2019-09-12 04:29 | 2019-09-09 | DXCM | DEXCOM INC | Leach Jacob Steven | Officer | SELL | $149.86 | 4,712 | $706,118 | 111,105 |
| 2019-09-12 04:29 | 2019-09-09 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $149.86 | 5,843 | $875,620 | 83,815 |
| 2019-09-12 04:28 | 2019-09-09 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $149.86 | 2,495 | $373,897 | 32,965 |
| 2019-09-12 04:28 | 2019-09-09 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $149.85 | 5,843 | $875,595 | 66,821 |
| 2019-09-12 04:27 | 2019-09-09 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $149.86 | 14,322 | $2,146,269 | 232,937 |
| 2019-09-11 23:27 | 2019-09-09 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | NIGON RICHARD | Director | SELL | $49.59 | 9,937 | $492,754 | 16,785 |
| 2019-09-10 23:22 | 2019-09-06 | INSP | Inspire Medical Systems, Inc. | Herbert Timothy P. | Director, Officer | SELL | $70.00 | 10,000 | $700,000 | 79,624 |
| 2019-09-10 21:11 | 2019-09-09 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $137.38 | 6,651 | $913,714 | 304,324 |
| 2019-09-10 23:10 | 2019-09-06 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Arduini Peter J | Director, Officer | OPT+S | $60.55 | 250,000 | $15,137,150 | 183,017 |
| 2019-09-10 17:50 | 2019-09-06 | BDX | BECTON DICKINSON & CO | FORLENZA VINCENT A | Director, Officer | OPT+S | $260.38 | 11,532 | $3,002,702 | 221,088 |
| 2019-09-10 02:15 | 2019-09-06 | MMSI | MERIT MEDICAL SYSTEMS INC | LAMPROPOULOS FRED P | Director, Officer | SELL | $30.70 | 161,817 | $4,967,086 | 1,269 |
| 2019-09-09 23:53 | 2019-09-05 | HAE | HAEMONETICS CORP | Llorens Josep | Officer | SELL | $129.94 | 101 | $13,124 | 2,770 |
| 2019-09-09 23:20 | 2019-09-06 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Officer | OPT+S | $70.03 | 9,538 | $667,946 | 2,501 |
| 2019-09-10 00:21 | 2019-09-09 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.85 | 7,000 | $5,964 | 14,383,552 |
| 2019-09-09 20:50 | 2019-09-06 | BDX | BECTON DICKINSON & CO | Polen Thomas E Jr | Officer | OPT+S | $260.26 | 5,823 | $1,515,494 | 16,455 |
| 2019-09-09 20:19 | 2019-09-06 | BDX | BECTON DICKINSON & CO | Bodner Charles R | Officer | OPT+S | $260.08 | 1,514 | $393,761 | 2,037 |
| 2019-09-09 17:55 | 2019-09-06 | BDX | BECTON DICKINSON & CO | Lim James C | Officer | OPT+S | $263.53 | 9,299 | $2,450,565 | 17,193 |
| 2019-09-06 23:42 | 2019-09-05 | INFU | InfuSystem Holdings, Inc | Shuda Scott | Director, 10% owner | BUY | $5.00 | 5,004 | $25,019 | 3,526,521 |
| 2019-09-07 02:28 | 2019-09-06 | TFX | TELEFLEX INC | POWELL THOMAS E | Officer | OPT+S | $355.52 | 7,500 | $2,666,427 | 10,697 |
| 2019-09-06 23:49 | 2019-09-04 | STIM | Neuronetics, Inc. | Thatcher Christopher | Director, Officer | OPT+S | $10.74 | 20,000 | $214,700 | 54,811 |
| 2019-09-06 14:59 | 2019-09-04 | ARAY | Accuray Incorporated | WHITTERS JOSEPH E | Director | BUY | $2.62 | 12,500 | $32,750 | 116,780 |
| 2019-09-06 23:15 | 2019-09-05 | BAX | BAXTER INTERNATIONAL INC | Kunzler Jacqueline | Officer | SELL | $88.12 | 5,934 | $522,904 | 3,089 |
| 2019-09-06 23:15 | 2019-09-04 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | NIGON RICHARD | Director | SELL | $49.35 | 1,939 | $95,690 | 26,722 |
| 2019-09-05 22:39 | 2019-09-04 | ICUI | ICU MEDICAL INC/DE | Sanzone Virginia Ruth | Officer | SELL | $154.08 | 3,000 | $462,241 | 55 |
| 2019-09-05 23:09 | 2019-09-03 | NVCR | NovoCure Ltd | Longsworth Todd Christopher | Officer | OPT+S | $87.87 | 158,440 | $13,922,582 | 53,900 |
| 2019-09-05 23:16 | 2019-09-03 | INSP | Inspire Medical Systems, Inc. | Herbert Timothy P. | Director, Officer | SELL | $67.19 | 10,000 | $671,885 | 89,624 |
| 2019-09-06 03:00 | 2019-09-03 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $144.81 | 475 | $68,785 | 13,113 |
| 2019-09-06 02:57 | 2019-09-03 | PEN | Penumbra Inc | O'Rourke Bridget | Director | SELL | $145.88 | 175 | $25,530 | 3,074 |
| 2019-09-05 22:17 | 2019-09-03 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | OPT+S | $18.98 | 1,200 | $22,771 | 18,854 |
| 2019-09-05 18:07 | 2019-09-04 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.79 | 4,000 | $3,176 | 14,376,552 |
| 2019-09-05 23:13 | 2019-09-03 | PODD | INSULET CORP | Petrovic Shacey | Director, Officer | SELL | $152.40 | 649 | $98,908 | 95,199 |
| 2019-09-05 23:16 | 2019-09-03 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $170.00 | 37 | $6,290 | 69,409 |
| 2019-09-05 23:16 | 2019-09-03 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $170.13 | 10,000 | $1,701,274 | 247,259 |
| 2019-09-05 00:21 | 2019-09-03 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $138.11 | 1,350 | $186,449 | 34,707 |
| 2019-09-05 00:16 | 2019-09-03 | RMD | RESMED INC | Hollingshead James | Officer | OPT+S | $138.11 | 1,600 | $220,976 | 86,102 |
| 2019-09-04 23:25 | 2019-09-03 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | OPT+S | $42.50 | 5,000 | $212,500 | 24,201 |
| 2019-09-04 23:58 | 2019-09-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $138.11 | 4,367 | $603,126 | 122,251 |
| 2019-09-04 18:49 | 2019-09-03 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.76 | 500 | $380 | 14,372,552 |
| 2019-09-03 23:46 | 2019-08-30 | HAE | HAEMONETICS CORP | Bolorforosh Said | Officer | OPT+S | $133.73 | 657 | $87,861 | 2,316 |
| 2019-09-03 23:24 | 2019-08-29 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $91.13 | 124,181 | $11,316,192 | 134,601 |
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.