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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-07-12 22:35 | 2017-07-10 | IRTC | iRhythm Holdings, Inc. | Garrett Matthew C. | Officer | OPT+S | $42.06 | 25,086 | $1,055,117 | 14,630 |
| 2017-07-12 22:35 | 2017-07-10 | IRTC | iRhythm Holdings, Inc. | King Kevin M | Director, Officer | OPT+S | $42.08 | 110,000 | $4,628,250 | 43,042 |
| 2017-07-13 00:33 | 2017-07-12 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $71.86 | 6,000 | $431,174 | 326,680 |
| 2017-07-13 00:32 | 2017-07-10 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $71.55 | 3,200 | $228,972 | 103,233 |
| 2017-07-11 23:22 | 2017-07-07 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $18.07 | 274,359 | $4,956,570 | 464,965 |
| 2017-07-12 03:03 | 2017-07-07 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | SELL | $170.80 | 100,000 | $17,079,870 | 41,911 |
| 2017-07-12 03:12 | 2017-07-10 | ICUI | ICU MEDICAL INC/DE | Lamb Scott E | Officer | SELL | $170.02 | 23,772 | $4,041,635 | 6,052 |
| 2017-07-07 23:33 | 2017-07-05 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $18.14 | 160,138 | $2,905,256 | 739,324 |
| 2017-07-07 01:30 | 2017-07-03 | ANIK | Anika Therapeutics Inc. | SHERWOOD CHARLES H | Director, Officer | SELL | $50.03 | 14,201 | $710,544 | 238,504 |
| 2017-07-07 01:13 | 2017-07-05 | RMD | RESMED INC | FARRELL PETER C | Director | OPT+S | $76.50 | 20,000 | $1,530,064 | 301,557 |
| 2017-07-07 00:30 | 2017-07-03 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | OPT+S | $28.16 | 2,955 | $83,209 | 131,337 |
| 2017-07-07 00:26 | 2017-07-03 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $28.44 | 1,500 | $42,660 | 112,307 |
| 2017-07-06 01:22 | 2017-07-03 | TFX | TELEFLEX INC | Klasko Stephen K. M.D. | Director | OPT+S | $208.10 | 200 | $41,620 | 7,880 |
| 2017-07-06 00:50 | 2017-07-03 | BSX | BOSTON SCIENTIFIC CORP | Pratt Timothy A. | Officer | SELL | $27.87 | 10,000 | $278,653 | 205,846 |
| 2017-07-06 01:56 | 2017-07-03 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $77.44 | 1,250 | $96,800 | 60,508 |
| 2017-07-05 22:04 | 2017-07-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $77.36 | 6,364 | $492,319 | 78,112 |
| 2017-07-06 03:11 | 2017-06-30 | MMSI | MERIT MEDICAL SYSTEMS INC | EDELMAN RICHARD W | OPT+S | $37.62 | 20,000 | $752,380 | 15,000 | |
| 2017-07-03 21:58 | 2017-02-15 | IVOB | INVO Fertility, Inc. | Karloff Kathleen t | Director, Officer | SELL | $0.15 | 400,000 | $60,000 | 11,760,000 |
| 2017-06-29 23:54 | 2017-06-28 | MMSI | MERIT MEDICAL SYSTEMS INC | Millner F. Ann | Director | OPT+S | $38.15 | 6,744 | $257,297 | 2,503 |
| 2017-06-29 19:26 | 2017-06-27 | MMSI | MERIT MEDICAL SYSTEMS INC | Karras Nolan E. | Director | OPT+S | $37.15 | 7,000 | $260,057 | 1,000 |
| 2017-06-30 00:15 | 2017-06-29 | BSX | BOSTON SCIENTIFIC CORP | Phalen Michael P. | Officer | OPT+S | $28.02 | 15,500 | $434,290 | 101,919 |
| 2017-06-29 16:19 | 2017-06-27 | CRY | Artivion Inc. | Horton Amy | Officer | OPT+S | $20.00 | 9,577 | $191,540 | 102,705 |
| 2017-06-30 02:49 | 2017-06-27 | OSUR | ORASURE TECHNOLOGIES INC | Michels Douglas A | Director, Officer | OPT+S | $16.75 | 290,495 | $4,866,256 | 768,058 |
| 2017-06-29 23:53 | 2017-06-28 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Galen Partners V LP | 10% owner | SELL | $28.85 | 200,000 | $5,770,000 | 3,702,233 |
| 2017-06-28 01:55 | 2017-06-23 | RGNP | Sigyn Therapeutics, Inc. | Segelman Joseph | Director, Officer, 10% owner | BUY | $0.08 | 8,500 | $680 | 25,021,000 |
| 2017-06-27 23:11 | 2017-06-23 | NVCR | NovoCure Ltd | Pomona Capital VII, L.P. | 10% owner | SELL | $17.35 | 1,072,532 | $18,607,036 | 2,741,925 |
| 2017-06-28 02:34 | 2017-06-22 | RMD | RESMED INC | SULPIZIO RICHARD | Director | SELL | $77.82 | 65,887 | $5,127,260 | 0 |
| 2017-06-28 01:56 | 2017-06-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $78.22 | 3,187 | $249,273 | 25,420 |
| 2017-06-28 01:55 | 2017-06-23 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $78.19 | 1,450 | $113,378 | 113,524 |
| 2017-06-24 02:38 | 2017-06-23 | RGNP | Sigyn Therapeutics, Inc. | Segelman Joseph | Director, Officer, 10% owner | BUY | $0.18 | 8,500 | $1,530 | 25,021,000 |
| 2017-06-22 23:29 | 2017-06-21 | NVCR | NovoCure Ltd | Kirson Eilon D. | Officer | SELL | $16.78 | 66,361 | $1,113,206 | 222,722 |
| 2017-06-23 01:02 | 2017-06-21 | TFX | TELEFLEX INC | HAGGERTY GRETCHEN R | Director | BUY | $203.82 | 1,000 | $203,818 | 1,760 |
| 2017-06-23 00:10 | 2017-06-21 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Galen Partners V LP | 10% owner | SELL | $26.45 | 83,000 | $2,195,350 | 3,902,233 |
| 2017-06-21 23:19 | 2017-06-19 | NVCR | NovoCure Ltd | Kirson Eilon D. | Officer | SELL | $15.06 | 15,000 | $225,885 | 289,083 |
| 2017-06-21 23:17 | 2017-06-19 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $15.51 | 124,720 | $1,934,906 | 896,917 |
| 2017-06-20 23:50 | 2017-06-16 | MBOT | Microbot Medical Inc. | Lewkowicz Leon | 10% owner | SELL | $1.67 | 71,224 | $118,944 | 3,078,214 |
| 2017-06-20 02:30 | 2017-05-02 | DYNT | DYNATRONICS CORP | Ogilvie James Norman | Officer | BUY | $1.60 | 4,770 | $7,618 | 14,634 |
| 2017-06-20 00:02 | 2017-05-31 | DYNT | DYNATRONICS CORP | Provco Ventures 1 LP | 10% owner | BUY | $0.00 | 200,000 | $0 | 256,996 |
| 2017-06-19 23:31 | 2017-06-15 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $15.15 | 42,457 | $643,236 | 1,021,637 |
| 2017-06-20 02:16 | 2017-05-31 | DYNT | DYNATRONICS CORP | ENRIGHT ERIN S. | Director | BUY | $0.00 | 300,000 | $0 | 425,384 |
| 2017-06-19 23:56 | 2017-05-31 | DYNT | DYNATRONICS CORP | LARKIN BRIAN | Director | BUY | $0.00 | 20,000 | $0 | 37,297 |
| 2017-06-20 02:06 | 2017-05-31 | DYNT | DYNATRONICS CORP | ESSIG STUART | 10% owner | BUY | $0.00 | 300,000 | $0 | 425,384 |
| 2017-06-19 21:35 | 2017-06-15 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.27 | 2,690 | $726 | 2,514,956 |
| 2017-06-20 00:48 | 2017-06-15 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Thompson Maggie | Officer | OPT+S | $25.07 | 62,561 | $1,568,279 | 61,700 |
| 2017-06-16 23:05 | 2017-06-14 | MDXG | MIMEDX GROUP, INC. | Taylor William Charles | Director, Officer | OPT+S | $14.52 | 80,000 | $1,161,256 | 467,424 |
| 2017-06-16 18:20 | 2017-06-14 | RMD | RESMED INC | PACE GARY W | Director | OPT+S | $76.00 | 24,390 | $1,853,640 | 97,587 |
| 2017-06-15 23:28 | 2017-06-13 | NVCR | NovoCure Ltd | Kirson Eilon D. | Officer | SELL | $15.01 | 9,044 | $135,769 | 304,083 |
| 2017-06-15 23:17 | 2017-06-13 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $15.22 | 94,102 | $1,432,148 | 1,064,094 |
| 2017-06-15 23:19 | 2017-06-13 | ATRC | AtriCure, Inc. | Seith Douglas J | Officer | OPT+S | $21.39 | 58,112 | $1,243,016 | 239,479 |
| 2017-06-16 00:35 | 2017-06-13 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Thompson Maggie | Officer | OPT+S | $25.27 | 40,103 | $1,013,295 | 61,700 |
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.