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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-03-21 23:41 | 2019-03-21 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.82 | 14,937 | $12,278 | 14,002,178 |
| 2019-03-20 23:59 | 2019-03-18 | BAX | BAXTER INTERNATIONAL INC | Accogli Giuseppe | Officer | OPT+S | $76.78 | 38,297 | $2,940,444 | 58,666 |
| 2019-03-19 23:18 | 2019-03-18 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $39.13 | 14,739 | $576,762 | 24,201 |
| 2019-03-19 21:01 | 2019-03-18 | SYK | STRYKER CORP | Scannell Timothy J | Officer | OPT+S | $193.28 | 4,666 | $901,829 | 133,584 |
| 2019-03-19 22:01 | 2019-03-15 | IRTC | iRhythm Holdings, Inc. | King Kevin M | Officer | OPT+S | $88.76 | 60,000 | $5,325,696 | 224,384 |
| 2019-03-20 00:31 | 2019-03-15 | RMD | RESMED INC | Douglas Robert Andrew | Officer | OPT+S | $100.90 | 4,298 | $433,668 | 153,335 |
| 2019-03-19 16:59 | 2019-03-18 | INFU | InfuSystem Holdings, Inc | Sansone Christopher R. | Director | BUY | $4.36 | 25,000 | $109,033 | 298,388 |
| 2019-03-20 01:24 | 2019-03-15 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $150.28 | 1,000 | $150,279 | 15,095 |
| 2019-03-20 00:04 | 2019-03-15 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $62.70 | 3,000 | $188,100 | 52,681 |
| 2019-03-18 23:05 | 2019-03-15 | REPR | KORU Medical Systems, Inc. | Beck James M | Director | BUY | $1.55 | 35,000 | $54,250 | 35,556 |
| 2019-03-19 01:53 | 2019-03-14 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Ballintyn Rhonda Germany | Director | BUY | $56.08 | 1,933 | $108,399 | 3,665 |
| 2019-03-19 01:54 | 2019-03-15 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Evoli Lisa | Officer | SELL | $55.90 | 1,291 | $72,167 | 4,968 |
| 2019-03-18 23:22 | 2019-03-15 | BSX | BOSTON SCIENTIFIC CORP | Nanavaty Maulik | Officer | OPT+S | $40.11 | 3,038 | $121,854 | 254,469 |
| 2019-03-19 00:59 | 2019-03-15 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $90.00 | 4,286 | $385,740 | 19,839 |
| 2019-03-18 23:15 | 2019-03-13 | IRMD | IRADIMED CORP | JOHNSON BRENT | Officer | OPT+S | $24.50 | 60,163 | $1,473,837 | 1,368 |
| 2019-03-19 00:56 | 2019-03-18 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.81 | 13,401 | $10,882 | 13,987,241 |
| 2019-03-18 17:27 | 2019-03-15 | BDX | BECTON DICKINSON & CO | FORLENZA VINCENT A | Director, Officer | OPT+S | $255.13 | 8,309 | $2,119,875 | 210,907 |
| 2019-03-18 17:13 | 2019-03-15 | BDX | BECTON DICKINSON & CO | Mas Ribo Alberto | Officer | OPT+S | $255.00 | 2,104 | $536,520 | 15,482 |
| 2019-03-18 21:28 | 2019-03-15 | ICUI | ICU MEDICAL INC/DE | SWINNEY ROBERT S | Director | SELL | $234.65 | 1,464 | $343,528 | 16,576 |
| 2019-03-16 01:10 | 2019-03-14 | MMSI | MERIT MEDICAL SYSTEMS INC | Parra Raul Jr. | Officer | OPT+S | $60.20 | 5,000 | $301,020 | 0 |
| 2019-03-15 23:13 | 2019-03-14 | BSX | BOSTON SCIENTIFIC CORP | Brennan Daniel J. | Officer | SELL | $40.02 | 46,360 | $1,855,545 | 214,960 |
| 2019-03-16 02:07 | 2019-03-15 | TNDM | TANDEM DIABETES CARE INC | HANSEN BRIAN B | Officer | OPT+S | $72.00 | 10,000 | $720,000 | 1,381 |
| 2019-03-16 01:13 | 2019-03-14 | MMSI | MERIT MEDICAL SYSTEMS INC | Miller Franklin J | Director | OPT+S | $60.44 | 20,000 | $1,208,760 | 14,038 |
| 2019-03-16 00:17 | 2019-03-13 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | CARUSO RICHARD E | 10% owner | OPT+S | $56.06 | 30,128 | $1,688,955 | 134,134 |
| 2019-03-15 23:24 | 2019-03-13 | BAX | BAXTER INTERNATIONAL INC | FORSYTH JOHN D | Director | OPT+S | $75.92 | 1,500 | $113,880 | 30,203 |
| 2019-03-15 01:52 | 2019-03-12 | HJLI | enVVeno Medical Corp | BERMAN ROBERT ANDREW | Director, Officer | BUY | $1.15 | 21,740 | $25,001 | 21,740 |
| 2019-03-15 00:07 | 2019-03-12 | PODD | INSULET CORP | Abdel-Malek Aiman | Officer | OPT+S | $94.03 | 27,349 | $2,571,613 | 23,992 |
| 2019-03-15 00:06 | 2019-03-12 | PODD | INSULET CORP | Fallon John A. | Director | OPT+S | $95.00 | 5,000 | $475,000 | 11,743 |
| 2019-03-14 23:52 | 2019-03-12 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | OPT+S | $66.04 | 5,000 | $330,200 | 109,154 |
| 2019-03-14 23:44 | 2019-03-12 | CERS | CERUS CORP | Moore Carol | Officer | OPT+S | $6.01 | 10,886 | $65,428 | 66,198 |
| 2019-03-14 23:43 | 2019-03-12 | CERS | CERUS CORP | Menard Chrystal | Officer | OPT+S | $6.01 | 10,783 | $64,763 | 47,962 |
| 2019-03-14 23:42 | 2019-03-12 | CERS | CERUS CORP | Greenman William Mariner | Director, Officer | OPT+S | $6.00 | 45,459 | $272,709 | 628,385 |
| 2019-03-13 23:14 | 2019-03-12 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | OPT+S | $40.00 | 24,219 | $968,760 | 171,339 |
| 2019-03-14 03:06 | 2019-03-12 | ATEC | Alphatec Holdings, Inc. | Williams Donald Allen | Director | BUY | $2.47 | 4,000 | $9,890 | 46,433 |
| 2019-03-13 21:12 | 2019-03-11 | INFU | InfuSystem Holdings, Inc | Dilorio Richard | Director, Officer | BUY | $4.22 | 3,900 | $16,458 | 92,028 |
| 2019-03-14 01:18 | 2019-03-11 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | SELL | $139.86 | 8,000 | $1,118,843 | 6,144 |
| 2019-03-14 01:15 | 2019-03-11 | PEN | Penumbra Inc | Kosaraju Sridhar | Officer | SELL | $139.84 | 5,000 | $699,220 | 120,750 |
| 2019-03-14 00:05 | 2019-03-11 | IRMD | IRADIMED CORP | JOHNSON BRENT | Officer | OPT+S | $25.31 | 20,691 | $523,760 | 1,368 |
| 2019-03-14 02:10 | 2019-03-11 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director, Officer | SELL | $64.95 | 200,000 | $12,990,440 | 991,750 |
| 2019-03-13 19:05 | 2019-03-12 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.73 | 1,826 | $1,335 | 13,973,840 |
| 2019-03-14 02:01 | 2019-03-11 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $142.83 | 32,566 | $4,651,307 | 312,100 |
| 2019-03-14 02:01 | 2019-03-12 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $142.79 | 10,811 | $1,543,726 | 103,913 |
| 2019-03-14 02:01 | 2019-03-12 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $142.79 | 3,962 | $565,743 | 36,660 |
| 2019-03-14 02:01 | 2019-03-12 | DXCM | DEXCOM INC | MOY JEFFREY | Officer | SELL | $142.79 | 8,531 | $1,218,160 | 27,358 |
| 2019-03-14 02:00 | 2019-03-12 | DXCM | DEXCOM INC | Leach Jacob Steven | Officer | SELL | $142.79 | 8,555 | $1,221,587 | 116,083 |
| 2019-03-14 02:00 | 2019-03-12 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $142.79 | 10,811 | $1,543,726 | 72,570 |
| 2019-03-14 02:00 | 2019-03-12 | DXCM | DEXCOM INC | Blackford Quentin S. | Officer | SELL | $142.79 | 5,358 | $765,081 | 100,614 |
| 2019-03-14 02:00 | 2019-03-12 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $142.79 | 10,917 | $1,558,862 | 77,217 |
| 2019-03-14 02:00 | 2019-03-11 | DXCM | DEXCOM INC | ACE HEATHER S | Officer | SELL | $142.90 | 10,461 | $1,494,833 | 66,334 |
| 2019-03-14 01:59 | 2019-03-12 | DXCM | DEXCOM INC | Abbey Donald | Officer | SELL | $142.79 | 7,653 | $1,092,789 | 95,423 |
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.