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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-06-04 02:15 | 2021-06-01 | STIM | Neuronetics, Inc. | CONLEY SHERYL L | Director | SELL | $14.03 | 6,200 | $87,005 | 39,672 |
| 2021-06-04 00:10 | 2021-06-01 | TNDM | TANDEM DIABETES CARE INC | ROBERTSON REBECCA B | Director | OPT+S | $85.11 | 1,000 | $85,115 | 1,892 |
| 2021-06-03 23:06 | 2021-06-02 | PODD | INSULET CORP | Alpuche Charles | Officer | SELL | $262.67 | 1,900 | $499,073 | 47,777 |
| 2021-06-04 01:38 | 2021-06-03 | ICUI | ICU MEDICAL INC/DE | SWINNEY ROBERT S | Director | OPT+S | $203.07 | 4,500 | $913,794 | 22,973 |
| 2021-06-02 20:56 | 2021-06-01 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $207.13 | 1,500 | $310,695 | 27,165 |
| 2021-06-02 23:19 | 2021-06-01 | BSX | BOSTON SCIENTIFIC CORP | Mackey Edward F | Officer | SELL | $42.71 | 68,173 | $2,911,580 | 23,722 |
| 2021-06-02 21:39 | 2021-06-01 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $206.03 | 2,400 | $494,475 | 78,338 |
| 2021-06-02 23:19 | 2021-05-28 | BSX | BOSTON SCIENTIFIC CORP | Nanavaty Maulik | Officer | SELL | $42.59 | 78,192 | $3,330,440 | 166,869 |
| 2021-06-02 15:50 | 2021-05-28 | BDX | BECTON DICKINSON & CO | Lim James C | Officer | SELL | $241.68 | 3,429 | $828,721 | 801 |
| 2021-06-01 23:07 | 2021-05-28 | PETV | PetVivo Holdings, Inc. | Folkes Robert J. | Officer | BUY | $7.00 | 3,000 | $21,000 | 3,000 |
| 2021-06-01 16:58 | 2021-05-27 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.28 | 5,000 | $1,400 | 5,648,252 |
| 2021-06-02 02:27 | 2021-05-28 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $86.47 | 3,619 | $312,933 | 4,042 |
| 2021-06-02 00:33 | 2021-05-27 | SIBN | SI-BONE, Inc. | Freund John Gordon | Director | SELL | $30.38 | 71,587 | $2,174,971 | 383,458 |
| 2021-06-02 01:30 | 2021-05-27 | STIM | Neuronetics, Inc. | Shook Bruce Joseph | Director | SELL | $13.35 | 15,200 | $202,868 | 29,937 |
| 2021-06-02 01:28 | 2021-05-28 | STIM | Neuronetics, Inc. | CONLEY SHERYL L | Director | SELL | $13.78 | 6,800 | $93,684 | 45,872 |
| 2021-06-02 04:14 | 2021-05-28 | DXCM | DEXCOM INC | Blackford Quentin S. | Officer | SELL | $375.00 | 7,223 | $2,708,625 | 37,942 |
| 2021-05-28 23:36 | 2021-05-27 | NVCR | NovoCure Ltd | Benaim Ely | Officer | OPT+S | $200.00 | 1,833 | $366,600 | 29,054 |
| 2021-05-28 23:05 | 2021-05-26 | ATRC | AtriCure, Inc. | GROVES REGINA E | Director | SELL | $71.95 | 4,208 | $302,766 | 19,350 |
| 2021-05-29 00:33 | 2021-05-26 | DRIO | DarioHealth Corp. | MCGRATH DENNIS M | Director | SELL | $16.98 | 67,787 | $1,151,186 | 29,616 |
| 2021-05-28 23:09 | 2021-05-26 | HAE | HAEMONETICS CORP | KROLL MARK W | Director | OPT+S | $55.10 | 11,813 | $650,896 | 18,440 |
| 2021-05-28 16:57 | 2021-05-27 | BDX | BECTON DICKINSON & CO | Fraser Claire | Director | SELL | $241.36 | 390 | $94,130 | 20,607 |
| 2021-05-28 00:02 | 2021-05-25 | CRY | Artivion Inc. | Davis John E | Officer | OPT+S | $29.66 | 12,739 | $377,880 | 71,899 |
| 2021-05-27 22:11 | 2021-05-21 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $13.30 | 2,827 | $37,612 | 1,694,061 | |
| 2021-05-28 00:28 | 2021-05-25 | DXCM | DEXCOM INC | Shrishrimal Sumi | Officer | SELL | $354.79 | 1,461 | $518,348 | 13,386 |
| 2021-05-28 00:27 | 2021-05-26 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $350.00 | 500 | $175,000 | 18,741 |
| 2021-05-27 23:55 | 2021-05-25 | CRY | Artivion Inc. | McCall Ronald D | Director | SELL | $29.55 | 5,783 | $170,888 | 123,012 |
| 2021-05-27 00:24 | 2021-05-24 | MMSI | MERIT MEDICAL SYSTEMS INC | Parra Raul Jr. | Officer | OPT+S | $63.59 | 7,000 | $445,120 | 2,343 |
| 2021-05-26 23:04 | 2021-04-24 | PETV | PetVivo Holdings, Inc. | Martin James Joseph | Director | BUY | $7.00 | 3,000 | $21,000 | 67,384 |
| 2021-05-27 01:09 | 2021-05-26 | EMED | Electromedical Technologies, Inc | STEINBERG DONALD J | 10% owner | SELL | $0.08 | 29,000 | $2,387 | 3,478,166 |
| 2021-05-27 02:49 | 2021-05-24 | SIBN | SI-BONE, Inc. | Freund John Gordon | Director | SELL | $32.37 | 69,861 | $2,261,540 | 455,045 |
| 2021-05-26 23:55 | 2021-05-24 | UFPT | UFP TECHNOLOGIES INC | OBERDORF THOMAS | Director | SELL | $55.17 | 10,097 | $557,085 | 41,518 |
| 2021-05-27 01:22 | 2021-05-24 | LMAT | LEMAITRE VASCULAR INC | Roush John A | Director | OPT+S | $50.23 | 7,500 | $376,752 | 7,500 |
| 2021-05-26 23:58 | 2021-05-24 | DXCM | DEXCOM INC | Sylvain Jereme M | Officer | SELL | $346.74 | 600 | $208,044 | 14,508 |
| 2021-05-26 23:57 | 2021-05-24 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $348.71 | 1,079 | $376,260 | 52,321 |
| 2021-05-26 04:45 | 2021-05-25 | VVOS | Vivos Therapeutics, Inc. | Huntsman Ronald Kirk | Director, Officer | BUY | $5.38 | 4,000 | $21,520 | 5,500 |
| 2021-05-26 00:15 | 2021-05-21 | HJLI | enVVeno Medical Corp | Glickman Marc H. | Officer | BUY | $5.90 | 1,600 | $9,440 | 1,600 |
| 2021-05-26 04:48 | 2021-05-25 | PDEX | PRO DEX INC | Charlton Alisha | Officer | SELL | $33.90 | 978 | $33,150 | 4,774 |
| 2021-05-26 04:45 | 2021-05-25 | VVOS | Vivos Therapeutics, Inc. | Amman Bradford K. | Officer | BUY | $5.29 | 1,000 | $5,290 | 2,000 |
| 2021-05-25 23:51 | 2021-05-21 | PODD | INSULET CORP | Fallon John A. | Director | OPT+S | $253.36 | 5,822 | $1,475,054 | 14,498 |
| 2021-05-26 00:18 | 2021-05-24 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $40.88 | 4,797 | $196,085 | 163,285 |
| 2021-05-26 01:08 | 2021-05-21 | RCLFU | Spectral AI, Inc. | GLAZER CAPITAL, LLC | 10% owner | SELL | $9.89 | 1,125 | $11,126 | 2,512,808 |
| 2021-05-26 00:25 | 2021-05-21 | IDXG | INTERPACE BIOSCIENCES, INC. | Burnell Thomas W. | Director, Officer | BUY | $8.68 | 10,855 | $94,221 | 10,855 |
| 2021-05-24 22:30 | 2021-05-21 | MMSI | MERIT MEDICAL SYSTEMS INC | Wright Joseph | Officer | OPT+S | $62.03 | 15,000 | $930,450 | 12,343 |
| 2021-05-24 18:13 | 2021-05-21 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $202.01 | 2,400 | $484,824 | 80,738 |
| 2021-05-25 00:12 | 2021-05-20 | STIM | Neuronetics, Inc. | Furlong Stephen | Officer | SELL | $15.04 | 30,486 | $458,394 | 259,485 |
| 2021-05-22 04:51 | 2021-05-19 | GBS | INTELLIGENT BIO SOLUTIONS INC. | Sakiris Spiro Kevin | Officer | BUY | $3.07 | 10,000 | $30,660 | 16,258 |
| 2021-05-21 13:26 | 2021-05-19 | HAE | HAEMONETICS CORP | Scanlan Jacqueline | Officer | SELL | $55.19 | 112 | $6,181 | 4,411 |
| 2021-05-21 19:09 | 2021-05-18 | INFU | InfuSystem Holdings, Inc | RUIZ THOMAS MARK | Officer | BUY | $0.00 | 0 | $0 | 6,524 |
| 2021-05-21 18:28 | 2021-05-18 | INFU | InfuSystem Holdings, Inc | Lachance Carrie | Director, Officer | BUY | $0.00 | 0 | $0 | 86,261 |
| 2021-05-21 18:11 | 2021-05-18 | INFU | InfuSystem Holdings, Inc | Sheehan Jeannine | Officer | BUY | $0.00 | 0 | $0 | 345 |
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.