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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-03-12 01:43 | 2021-03-10 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $185.00 | 2,500 | $462,500 | 97,422 |
| 2021-03-12 00:39 | 2021-03-09 | GMED | GLOBUS MEDICAL INC | Lemaitre Dan | Director | OPT+S | $62.47 | 15,384 | $961,038 | 0 |
| 2021-03-12 04:20 | 2021-03-09 | ATEC | Alphatec Holdings, Inc. | TULLIS JAMES L L | Director | SELL | $16.24 | 22,500 | $365,400 | 545,747 |
| 2021-03-12 01:09 | 2021-03-09 | STIM | Neuronetics, Inc. | Harper Gregory | Officer | SELL | $14.65 | 5,524 | $80,927 | 162,554 |
| 2021-03-12 01:06 | 2021-03-09 | STIM | Neuronetics, Inc. | Furlong Stephen | Officer | SELL | $14.64 | 6,521 | $95,467 | 289,971 |
| 2021-03-12 01:03 | 2021-03-09 | STIM | Neuronetics, Inc. | MACAN WILLIAM ANDREW | Officer | SELL | $14.65 | 8,537 | $125,067 | 213,082 |
| 2021-03-12 03:19 | 2021-03-09 | LMAT | LEMAITRE VASCULAR INC | Roberts David B | Director, Officer | SELL | $47.63 | 22,193 | $1,057,019 | 24,355 |
| 2021-03-11 00:11 | 2021-03-08 | HAE | HAEMONETICS CORP | Scanlan Jacqueline | Officer | SELL | $120.07 | 107 | $12,847 | 4,380 |
| 2021-03-11 00:08 | 2021-03-08 | HAE | HAEMONETICS CORP | Basil Michelle L | Officer | SELL | $120.07 | 385 | $46,227 | 15,607 |
| 2021-03-11 00:10 | 2021-03-08 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | SELL | $130.97 | 6,151 | $805,588 | 101,272 |
| 2021-03-11 00:09 | 2021-03-08 | NVCR | NovoCure Ltd | Cordova Ashley | Officer | SELL | $130.81 | 765 | $100,067 | 35,893 |
| 2021-03-11 00:08 | 2021-03-08 | NVCR | NovoCure Ltd | Longsworth Todd Christopher | Officer | SELL | $130.81 | 2,404 | $314,458 | 67,714 |
| 2021-03-11 00:07 | 2021-03-08 | NVCR | NovoCure Ltd | Leonard Frank X | Officer | SELL | $130.81 | 765 | $100,067 | 90,045 |
| 2021-03-11 05:14 | 2021-03-09 | ATEC | Alphatec Holdings, Inc. | Black Jeffrey G. | Officer | SELL | $16.69 | 7,000 | $116,830 | 620,770 |
| 2021-03-11 00:48 | 2021-03-08 | ATEC | Alphatec Holdings, Inc. | Pelizzon David R | Director, 10% owner | BUY | $15.56 | 4,698 | $73,118 | 148,837 |
| 2021-03-11 00:06 | 2021-03-08 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | SELL | $130.81 | 3,004 | $392,941 | 153,684 |
| 2021-03-10 20:29 | 2021-03-08 | UFPT | UFP TECHNOLOGIES INC | KOZIN MARC D | Director | SELL | $54.10 | 10,000 | $540,957 | 31,400 |
| 2021-03-11 02:49 | 2021-03-10 | UTMD | UTAH MEDICAL PRODUCTS INC | PAYNE BARBARA A | Director | SELL | $90.00 | 1,000 | $90,000 | 11,838 |
| 2021-03-11 03:29 | 2021-03-09 | DXCM | DEXCOM INC | Selvaraj Shelly Ramasamy | Officer | SELL | $356.94 | 152 | $54,255 | 20,703 |
| 2021-03-11 03:29 | 2021-03-09 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $361.11 | 3,857 | $1,392,796 | 131,522 |
| 2021-03-10 00:17 | 2021-03-05 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | OPT+S | $131.53 | 4,550 | $598,462 | 107,423 |
| 2021-03-10 00:16 | 2021-03-05 | NVCR | NovoCure Ltd | Benaim Ely | Officer | SELL | $131.53 | 2,918 | $383,805 | 33,259 |
| 2021-03-10 01:35 | 2021-03-05 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Moen Brent | Officer | SELL | $47.33 | 174 | $8,235 | 25,691 |
| 2021-03-10 01:34 | 2021-03-05 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $47.15 | 196 | $9,242 | 37,567 |
| 2021-03-09 00:25 | 2021-03-04 | NVCR | NovoCure Ltd | Longsworth Todd Christopher | Officer | SELL | $137.55 | 3,084 | $424,217 | 70,118 |
| 2021-03-09 00:24 | 2021-03-04 | NVCR | NovoCure Ltd | Leonard Frank X | Officer | SELL | $137.55 | 567 | $77,993 | 90,810 |
| 2021-03-09 00:23 | 2021-03-04 | NVCR | NovoCure Ltd | Cordova Ashley | Officer | SELL | $137.55 | 567 | $77,993 | 37,568 |
| 2021-03-09 02:43 | 2021-03-02 | EMED | Electromedical Technologies, Inc | STEINBERG DONALD J | 10% owner | SELL | $0.32 | 22,500 | $7,187 | 3,745,469 |
| 2021-03-09 00:26 | 2021-03-04 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | SELL | $137.55 | 3,854 | $530,133 | 156,688 |
| 2021-03-09 02:03 | 2021-03-04 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | SELL | $49.07 | 1,400 | $68,704 | 2,692,833 |
| 2021-03-09 00:39 | 2021-03-05 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director, Officer | SELL | $28.65 | 40,000 | $1,145,860 | 35,940 |
| 2021-03-06 01:43 | 2021-03-03 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | SELL | $143.50 | 4,832 | $693,414 | 97,986 |
| 2021-03-06 01:44 | 2021-03-03 | NVCR | NovoCure Ltd | Benaim Ely | Officer | OPT+S | $146.12 | 5,363 | $783,662 | 36,177 |
| 2021-03-05 15:42 | 2021-03-04 | XAIR | Beyond Air, Inc. | Carey Robert | Director | BUY | $5.70 | 17,000 | $96,900 | 131,418 |
| 2021-03-05 14:15 | 2021-03-04 | PSTV | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Director, Officer | BUY | $2.50 | 2,500 | $6,250 | 16,397 |
| 2021-03-05 01:55 | 2021-03-02 | NVCR | NovoCure Ltd | Leonard Frank X | Officer | SELL | $152.05 | 430 | $65,383 | 82,668 |
| 2021-03-05 01:52 | 2021-03-02 | NVCR | NovoCure Ltd | Cordova Ashley | Officer | SELL | $152.05 | 428 | $65,079 | 27,249 |
| 2021-03-05 01:46 | 2021-03-02 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | SELL | $152.05 | 912 | $138,672 | 91,932 |
| 2021-03-05 01:44 | 2021-03-02 | NVCR | NovoCure Ltd | Longsworth Todd Christopher | Officer | SELL | $152.05 | 2,355 | $358,085 | 62,860 |
| 2021-03-05 00:07 | 2021-03-02 | BSX | BOSTON SCIENTIFIC CORP | Brennan Daniel J. | Officer | SELL | $38.76 | 21,602 | $837,209 | 263,243 |
| 2021-03-05 00:07 | 2021-03-02 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $38.90 | 1,360 | $52,904 | 9,660 |
| 2021-03-05 01:50 | 2021-03-02 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | SELL | $152.05 | 2,392 | $363,711 | 148,023 |
| 2021-03-04 22:09 | 2021-03-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | SELL | $191.80 | 1,487 | $285,207 | 130,781 |
| 2021-03-04 14:15 | 2021-03-03 | PSTV | PLUS THERAPEUTICS, INC. | Clowes Howard | Director | BUY | $2.42 | 3,000 | $7,260 | 3,000 |
| 2021-03-04 00:19 | 2021-03-02 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | McBreen Michael J. | Officer | SELL | $69.00 | 2,205 | $152,145 | 17,233 |
| 2021-03-04 03:24 | 2021-03-02 | GBS | INTELLIGENT BIO SOLUTIONS INC. | Gavrilenko Victoria | Director | BUY | $8.09 | 37 | $296 | 37 |
| 2021-03-04 00:39 | 2021-03-02 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Mosebrook Jeffrey | Officer | SELL | $68.70 | 1,058 | $72,684 | 5,586 |
| 2021-03-04 03:49 | 2021-03-01 | SYK | STRYKER CORP | Boehnlein Glenn S | Officer | SELL | $246.01 | 2,000 | $492,028 | 12,321 |
| 2021-03-03 19:03 | 2021-03-01 | KIDS | ORTHOPEDIATRICS CORP | Gerritzen Daniel J | Officer | SELL | $55.85 | 2,633 | $147,053 | 29,004 |
| 2021-03-03 19:03 | 2021-03-01 | KIDS | ORTHOPEDIATRICS CORP | Odle Gregory A | Officer | SELL | $55.88 | 8,193 | $457,825 | 64,288 |
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.