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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022-04-22 01:30 | 2022-04-19 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.89 | 206 | $595 | 3,131,119 |
| 2022-04-20 22:47 | 2022-04-19 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $6.25 | 1,600 | $10,000 | 429,100 |
| 2022-04-20 23:52 | 2022-04-19 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | SELL | $45.50 | 10,989 | $500,000 | 119,961 |
| 2022-04-20 22:41 | 2022-04-18 | SIBN | SI-BONE, Inc. | Pisetsky Michael A | Officer | SELL | $19.92 | 349 | $6,953 | 126,056 |
| 2022-04-20 22:36 | 2022-04-18 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $19.92 | 577 | $11,496 | 179,545 |
| 2022-04-20 22:39 | 2022-04-18 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $19.92 | 1,474 | $29,368 | 152,285 |
| 2022-04-19 20:52 | 2022-04-18 | DCTH | DELCATH SYSTEMS, INC. | Aharon Gil | Director | BUY | $6.35 | 2,000 | $12,697 | 404,000 |
| 2022-04-19 23:19 | 2022-04-18 | HAE | HAEMONETICS CORP | Lingamneni Anila | Officer | SELL | $56.55 | 189 | $10,688 | 14,013 |
| 2022-04-19 20:52 | 2022-04-18 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $6.35 | 2,000 | $12,697 | 431,500 |
| 2022-04-20 02:01 | 2022-04-14 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $9.83 | 8,789 | $86,378 | 3,325,709 | |
| 2022-04-20 03:34 | 2022-04-18 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $232.41 | 5,675 | $1,318,947 | 405,229 |
| 2022-04-19 21:09 | 2022-04-18 | RMD | RESMED INC | Douglas Robert Andrew | Officer | OPT+S | $233.29 | 8,000 | $1,866,320 | 17,175 |
| 2022-04-19 03:49 | 2022-04-13 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | BUY | $4.25 | 29,400 | $124,950 | 890,406 |
| 2022-04-19 03:47 | 2022-04-14 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director, Officer | BUY | $2.21 | 7,000 | $15,499 | 7,000 |
| 2022-04-19 03:45 | 2022-04-14 | STSS | Sharps Technology Inc. | Blackman Alan R. | Director, Officer | BUY | $4.25 | 4,000 | $17,000 | 723,429 |
| 2022-04-19 04:23 | 2022-04-18 | DCTH | DELCATH SYSTEMS, INC. | MICHEL GERARD J | Director, Officer | BUY | $6.37 | 2,000 | $12,734 | 63,050 |
| 2022-04-14 20:47 | 2022-04-13 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $6.45 | 1,500 | $9,675 | 427,500 |
| 2022-04-15 00:20 | 2022-04-13 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $6.45 | 1,500 | $9,675 | 429,500 |
| 2022-04-14 23:37 | 2022-04-14 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | SELL | $44.47 | 7,500 | $333,518 | 147,413 |
| 2022-04-14 23:08 | 2022-04-12 | LYRA | Lyra Therapeutics, Inc. | ANDERSON EDWARD T | Director, 10% owner | BUY | $4.22 | 2,488,150 | $10,499,993 | 118,483 |
| 2022-04-14 23:53 | 2022-04-12 | LYRA | Lyra Therapeutics, Inc. | PERCEPTIVE ADVISORS LLC | Director, 10% owner | BUY | $4.22 | 5,924,170 | $24,999,997 | 7,858,285 |
| 2022-04-14 23:14 | 2022-04-12 | LYRA | Lyra Therapeutics, Inc. | NBVM GP, LLC | 10% owner | BUY | $4.22 | 2,369,667 | $9,999,995 | 1,318,133 |
| 2022-04-14 02:16 | 2022-04-12 | LYRA | Lyra Therapeutics, Inc. | Waksal Harlan | Director, Officer | BUY | $4.22 | 236,966 | $999,997 | 236,966 |
| 2022-04-14 00:46 | 2022-04-12 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $42.90 | 10,000 | $429,012 | 652,950 |
| 2022-04-13 23:07 | 2022-04-11 | ANGO | Angiodynamics Inc. | JOHNSON WESLEY | Director | SELL | $23.05 | 7,500 | $172,838 | 79,704 |
| 2022-04-13 23:43 | 2022-04-11 | DXCM | DEXCOM INC | Patterson Chad | Officer | SELL | $498.75 | 776 | $387,030 | 14,452 |
| 2022-04-14 00:42 | 2022-04-11 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.93 | 134,319 | $393,904 | 3,130,913 |
| 2022-04-13 00:58 | 2022-04-12 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $6.48 | 2,500 | $16,200 | 425,000 |
| 2022-04-13 01:42 | 2022-04-12 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $6.48 | 2,500 | $16,200 | 428,000 |
| 2022-04-13 00:54 | 2022-04-11 | RMD | RESMED INC | Sandercock Brett | Officer | OPT+S | $247.00 | 2,500 | $617,500 | 106,354 |
| 2022-04-12 14:53 | 2022-04-08 | ATRC | AtriCure, Inc. | Austin Tonya | Officer | SELL | $61.59 | 282 | $17,368 | 20,824 |
| 2022-04-11 17:07 | 2022-04-07 | TTOO | T2 Biosystems, Inc. | Sperzel John J III | Director, Officer | BUY | $0.50 | 30,000 | $15,000 | 221,773 |
| 2022-04-11 16:55 | 2022-04-08 | TTOO | T2 Biosystems, Inc. | Barclay Alec | Officer | BUY | $0.50 | 12,952 | $6,476 | 181,945 |
| 2022-04-11 16:50 | 2022-04-07 | TTOO | T2 Biosystems, Inc. | Gibbs Michael Terrence | Officer | BUY | $0.49 | 10,000 | $4,900 | 166,651 |
| 2022-04-11 16:40 | 2022-04-08 | TTOO | T2 Biosystems, Inc. | Sprague John M | Officer | BUY | $0.48 | 10,000 | $4,767 | 152,350 |
| 2022-04-11 16:38 | 2022-04-08 | TTOO | T2 Biosystems, Inc. | Giffin Brett A. | Officer | BUY | $0.49 | 10,600 | $5,183 | 10,600 |
| 2022-04-11 23:11 | 2022-04-11 | DCTH | DELCATH SYSTEMS, INC. | Purpura John | Officer | BUY | $6.59 | 5,000 | $32,950 | 23,721 |
| 2022-04-12 00:06 | 2022-04-08 | GMED | GLOBUS MEDICAL INC | Huller Kelly | Officer | OPT+S | $75.59 | 2,500 | $188,963 | 0 |
| 2022-04-12 01:54 | 2022-04-07 | ATEC | Alphatec Holdings, Inc. | TULLIS JAMES L L | Director | SELL | $12.99 | 69,320 | $900,467 | 997,606 |
| 2022-04-08 18:23 | 2022-04-06 | DCTH | DELCATH SYSTEMS, INC. | SALAMON STEVEN A J | Director | BUY | $6.45 | 2,000 | $12,900 | 423,500 |
| 2022-04-08 16:43 | 2022-04-06 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $6.45 | 2,000 | $12,900 | 425,500 |
| 2022-04-09 02:42 | 2022-04-06 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.15 | 10,000 | $1,500 | 5,471,647 |
| 2022-04-08 23:08 | 2022-04-07 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $45.35 | 10,000 | $453,530 | 662,950 |
| 2022-04-09 01:25 | 2022-04-08 | DCTH | DELCATH SYSTEMS, INC. | MICHEL GERARD J | Director, Officer | BUY | $6.57 | 2,000 | $13,136 | 61,050 |
| 2022-04-08 23:15 | 2022-04-01 | INSP | Inspire Medical Systems, Inc. | NELSON MARILYN C | Director | SELL | $267.50 | 10,000 | $2,675,000 | 76,130 |
| 2022-04-09 00:49 | 2022-04-06 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $3.16 | 2,829 | $8,940 | 2,996,594 |
| 2022-04-07 23:07 | 2022-04-05 | BAX | BAXTER INTERNATIONAL INC | STROUCKEN ALBERT P L | Director | OPT+S | $76.02 | 4,020 | $305,612 | 34,127 |
| 2022-04-07 23:05 | 2022-04-05 | BAX | BAXTER INTERNATIONAL INC | HELLMAN PETER S | Director | OPT+S | $76.02 | 4,020 | $305,593 | 27,629 |
| 2022-04-06 23:15 | 2022-04-05 | XAIR | Beyond Air, Inc. | Carey Robert | Director | BUY | $6.71 | 20,000 | $134,200 | 567,323 |
| 2022-04-07 00:17 | 2022-03-22 | ATAO | Premier Air Charter Holdings Inc. | Lovallo Leonard | Director, Officer | SELL | $0.03 | 150,000 | $3,795 | 39,130,000 |
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.