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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-09-03 16:37 | 2019-08-30 | SYK | STRYKER CORP | Berry William E Jr | Officer | SELL | $223.20 | 500 | $111,600 | 644 |
| 2019-09-03 23:10 | 2019-08-29 | BSX | BOSTON SCIENTIFIC CORP | Nanavaty Maulik | Officer | OPT+S | $42.65 | 34,035 | $1,451,423 | 255,194 |
| 2019-09-04 02:27 | 2019-09-03 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $72.00 | 2,000 | $144,000 | 3,311 |
| 2019-09-03 23:20 | 2019-08-29 | NVCR | NovoCure Ltd | VERNON W ANTHONY | Director | SELL | $91.03 | 100,000 | $9,103,100 | 158,589 |
| 2019-09-03 18:53 | 2019-08-30 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $139.21 | 3,000 | $417,630 | 76,145 |
| 2019-09-03 22:46 | 2019-08-29 | INFU | InfuSystem Holdings, Inc | Sansone Christopher R. | Director | BUY | $4.96 | 14,290 | $70,833 | 308,118 |
| 2019-09-03 23:22 | 2019-08-30 | NVCR | NovoCure Ltd | PHILLIPS CHARLES G III | Director | OPT+S | $91.14 | 22,000 | $2,005,117 | 9,504 |
| 2019-09-03 16:47 | 2019-08-30 | BDX | BECTON DICKINSON & CO | Conroy Alexandre | Officer | SELL | $256.72 | 46 | $11,809 | 16,489 |
| 2019-08-30 23:05 | 2019-08-28 | ANIK | Anika Therapeutics Inc. | Larsen Glenn R. | Director | SELL | $57.21 | 4,355 | $249,150 | 7,590 |
| 2019-08-30 23:19 | 2019-08-28 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director, Officer | SELL | $70.96 | 100,000 | $7,096,200 | 891,750 |
| 2019-08-30 00:11 | 2019-08-28 | OFIX | Orthofix Medical Inc. | Mason Brad | Director, Officer | SELL | $50.97 | 5,805 | $295,874 | 165,041 |
| 2019-08-30 02:56 | 2019-08-27 | TNDM | TANDEM DIABETES CARE INC | ROEDER DOUGLAS A | Director | SELL | $70.32 | 308,297 | $21,680,370 | 9,670 |
| 2019-08-30 00:00 | 2019-08-02 | GMED | GLOBUS MEDICAL INC | Huller Kelly | Officer | SELL | $49.90 | 3,000 | $149,700 | 9,384 |
| 2019-08-29 23:39 | 2019-08-29 | BDX | BECTON DICKINSON & CO | Conroy Alexandre | Officer | SELL | $255.06 | 9,829 | $2,506,985 | 16,535 |
| 2019-08-28 23:15 | 2019-08-27 | INSP | Inspire Medical Systems, Inc. | Herbert Timothy P. | Director, Officer | SELL | $65.96 | 15,000 | $989,340 | 99,624 |
| 2019-08-28 23:05 | 2019-08-28 | DRIO | DarioHealth Corp. | Raphael Erez | Director, Officer | BUY | $0.35 | 10,000 | $3,490 | 2,119,398 |
| 2019-08-28 23:09 | 2019-08-27 | TNDM | TANDEM DIABETES CARE INC | HANSEN BRIAN B | Officer | OPT+S | $70.00 | 6,969 | $487,830 | 2,991 |
| 2019-08-28 21:52 | 2019-04-24 | SNWW | SANUWAVE Health, Inc. | Stolarski Anthony Michael | Director | BUY | $0.11 | 11,036,864 | $1,207,433 | 17,011,490 |
| 2019-08-28 21:50 | 2019-08-28 | SNWW | SANUWAVE Health, Inc. | Richardson Kevin A II | Director, Officer | BUY | $0.11 | 5,569,910 | $612,690 | 7,153,226 |
| 2019-08-29 00:53 | 2019-08-26 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $59.16 | 4,631 | $273,970 | 47,528 |
| 2019-08-28 17:44 | 2019-08-27 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.74 | 2,100 | $1,556 | 14,372,052 |
| 2019-08-28 23:36 | 2019-08-26 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | OPT+S | $48.62 | 4,812 | $233,958 | 45,862 |
| 2019-08-27 23:45 | 2019-08-26 | TFX | TELEFLEX INC | Klasko Stephen K. M.D. | Director | OPT+S | $361.06 | 200 | $72,212 | 736 |
| 2019-08-27 22:13 | 2019-08-26 | SIBN | SI-BONE, Inc. | Skyline Venture Partners V LP | 10% owner | SELL | $18.40 | 152,424 | $2,805,181 | 3,819,985 |
| 2019-08-27 22:13 | 2019-08-26 | SIBN | SI-BONE, Inc. | Freund John Gordon | Director, 10% owner | SELL | $18.40 | 152,424 | $2,805,181 | 3,819,985 |
| 2019-08-26 23:11 | 2019-08-22 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | MOORADIAN JOHN | Officer | SELL | $61.42 | 7,000 | $429,958 | 15,410 |
| 2019-08-26 23:33 | 2019-08-22 | INFU | InfuSystem Holdings, Inc | Sansone Christopher R. | Director | BUY | $4.93 | 27,792 | $136,940 | 305,737 |
| 2019-08-26 23:08 | 2019-08-22 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | CARUSO RICHARD E | 10% owner | SELL | $61.77 | 80,000 | $4,941,600 | 11,902,410 |
| 2019-08-27 04:12 | 2019-08-23 | DXCM | DEXCOM INC | ACE HEATHER S | Officer | SELL | $174.80 | 7,243 | $1,266,062 | 59,091 |
| 2019-08-27 04:12 | 2019-08-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $175.14 | 2,016 | $353,088 | 2,016 |
| 2019-08-26 23:19 | 2019-08-22 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | SELL | $50.85 | 2,106 | $107,090 | 84,172 |
| 2019-08-26 23:19 | 2019-08-22 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | ROCHE KEVIN H | Director | SELL | $50.87 | 5,000 | $254,365 | 35,311 |
| 2019-08-24 01:34 | 2019-08-21 | SIBN | SI-BONE, Inc. | Skyline Venture Partners V LP | 10% owner | SELL | $20.15 | 47,576 | $958,471 | 3,972,409 |
| 2019-08-24 01:34 | 2019-08-21 | SIBN | SI-BONE, Inc. | Freund John Gordon | Director, 10% owner | SELL | $20.15 | 47,576 | $958,471 | 3,972,409 |
| 2019-08-22 23:15 | 2019-08-20 | INSP | Inspire Medical Systems, Inc. | Jain Mudit K. | Director | SELL | $68.89 | 1,250 | $86,118 | 6,370 |
| 2019-08-22 23:41 | 2019-08-20 | SIBN | SI-BONE, Inc. | Yerby Scott A | Officer | SELL | $20.07 | 9,600 | $192,702 | 101,715 |
| 2019-08-22 23:40 | 2019-08-20 | SIBN | SI-BONE, Inc. | Reckling W Carlton | Officer | OPT+S | $20.01 | 4,700 | $94,050 | 9,896 |
| 2019-08-22 23:05 | 2019-08-20 | ANIK | Anika Therapeutics Inc. | Bower Joseph L. | Director | SELL | $55.57 | 1,994 | $110,807 | 43,010 |
| 2019-08-22 23:37 | 2019-08-22 | NEPH | NEPHROS INC | Astor Andrew | Officer | BUY | $6.97 | 1,500 | $10,455 | 60,710 |
| 2019-08-22 23:09 | 2019-08-22 | NEPH | NEPHROS INC | Evans Daron | Director, Officer | BUY | $6.92 | 2,000 | $13,845 | 118,933 |
| 2019-08-22 00:31 | 2019-08-19 | HAE | HAEMONETICS CORP | Simon, Christopher | Director, Officer | SELL | $137.43 | 50,869 | $6,990,927 | 304,572 |
| 2019-08-22 03:30 | 2019-08-19 | PEN | Penumbra Inc | Rothman Lynn | Officer | SELL | $144.66 | 5,000 | $723,318 | 119,807 |
| 2019-08-22 03:27 | 2019-08-19 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $144.49 | 3,000 | $433,483 | 57,556 |
| 2019-08-22 00:29 | 2019-08-19 | IRMD | IRADIMED CORP | JOHNSON BRENT | Officer | OPT+S | $20.87 | 3,000 | $62,620 | 1,368 |
| 2019-08-21 20:37 | 2019-08-20 | RMD | RESMED INC | TAYLOR RONALD R | Director | SELL | $136.34 | 4,429 | $603,863 | 19,855 |
| 2019-08-20 23:28 | 2019-08-19 | INSP | Inspire Medical Systems, Inc. | Buchholz Richard | Officer | OPT+S | $66.86 | 4,000 | $267,426 | 2,706 |
| 2019-08-20 23:28 | 2019-08-16 | INSP | Inspire Medical Systems, Inc. | Jain Mudit K. | Director | SELL | $66.84 | 2,240 | $149,722 | 7,620 |
| 2019-08-21 02:22 | 2019-08-16 | MMSI | MERIT MEDICAL SYSTEMS INC | Karras Nolan E. | Director | OPT+S | $36.46 | 4,000 | $145,840 | 8,000 |
| 2019-08-21 00:14 | 2019-08-16 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Murphy Raymond G. | Director | SELL | $60.99 | 4,136 | $252,246 | 41,026 |
| 2019-08-21 00:58 | 2019-08-16 | INFU | InfuSystem Holdings, Inc | Sansone Christopher R. | Director | BUY | $4.96 | 16,300 | $80,784 | 301,105 |
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.