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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-05-14 23:08 | 2025-05-13 | PODD | INSULET CORP | Benjamin Eric | Officer | OPT+S | $320.00 | 3,001 | $960,320 | 20,906 |
| 2025-05-15 00:26 | 2025-05-12 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Birkemeyer Elaine M. | Officer | SELL | $9.94 | 2,921 | $29,037 | 99,111 |
| 2025-05-14 02:37 | 2025-05-13 | ICUI | ICU MEDICAL INC/DE | Greenberg David C. | Director | OPT+S | $143.66 | 1,942 | $278,992 | 6,760 |
| 2025-05-14 03:00 | 2025-05-12 | NXGL | NEXGEL, INC. | Henry Scott Robert | Director | SELL | $2.69 | 3,000 | $8,062 | 132,053 |
| 2025-05-14 02:12 | 2025-05-12 | CVRX | CVRx, Inc. | Jain Mudit K. | Director | BUY | $4.71 | 1,650 | $7,775 | 5,050 |
| 2025-05-12 21:31 | 2025-05-09 | AORT | Artivion Inc. | Stanton Marshall S. | Officer | SELL | $29.13 | 10,548 | $307,265 | 105,332 |
| 2025-05-13 02:14 | 2025-05-09 | OFIX | Orthofix Medical Inc. | Calafiore Massimo | Director, Officer | BUY | $12.54 | 10,000 | $125,400 | 234,603 |
| 2025-05-13 00:28 | 2025-05-08 | UFPT | UFP TECHNOLOGIES INC | Litterio Christopher P. | Officer | SELL | $220.12 | 1,473 | $324,241 | 12,585 |
| 2025-05-12 23:17 | 2025-05-09 | OFIX | Orthofix Medical Inc. | Bazaar Alan Lee | Director | BUY | $12.60 | 3,990 | $50,292 | 28,733 |
| 2025-05-13 02:07 | 2025-05-12 | CVRX | CVRx, Inc. | Hykes Kevin | Director, Officer | BUY | $4.84 | 5,000 | $24,200 | 133,000 |
| 2025-05-12 18:55 | 2025-05-09 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.75 | 3,000 | $2,246 | 15,264,367 |
| 2025-05-12 23:34 | 2025-05-08 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Dodd Sheri Louise | Director, Officer | SELL | $9.83 | 3,149 | $30,955 | 181,241 |
| 2025-05-09 18:01 | 2025-05-07 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $243.23 | 8,009 | $1,948,003 | 455,503 |
| 2025-05-10 02:00 | 2025-05-07 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $18.00 | 33,287 | $599,033 | 237,006 |
| 2025-05-10 02:35 | 2025-05-07 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $289.37 | 16,650 | $4,818,006 | 75,237 |
| 2025-05-10 02:01 | 2025-05-07 | SIBN | SI-BONE, Inc. | FRANCIS LAURA | Director, Officer | SELL | $17.18 | 38,504 | $661,368 | 302,958 |
| 2025-05-09 22:39 | 2025-05-08 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.75 | 8,113 | $6,063 | 15,261,367 |
| 2025-05-09 23:28 | 2025-05-08 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | BURKE WILLIAM W | Director | SELL | $9.67 | 3,300 | $31,911 | 48,520 |
| 2025-05-09 01:38 | 2025-05-07 | OFIX | Orthofix Medical Inc. | Engine Capital Management, LP | 10% owner | BUY | $12.31 | 100,000 | $1,231,000 | 362,212 |
| 2025-05-08 23:58 | 2025-05-06 | SYK | STRYKER CORP | STRYKER RONDA E | Director, 10% owner | SELL | $376.96 | 200,000 | $75,391,840 | 3,422,108 |
| 2025-05-09 00:38 | 2025-05-07 | RMD | RESMED INC | FARRELL PETER C | Director | SELL | $242.25 | 2,000 | $484,500 | 71,218 |
| 2025-05-08 18:44 | 2025-05-07 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.74 | 400 | $296 | 15,253,254 |
| 2025-05-07 18:46 | 2025-05-06 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.75 | 4,500 | $3,367 | 15,252,854 |
| 2025-05-06 23:37 | 2025-05-05 | BSX | BOSTON SCIENTIFIC CORP | Sorenson John Bradley | Officer | OPT+S | $104.54 | 4,572 | $477,957 | 18,705 |
| 2025-05-07 01:00 | 2025-05-05 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | SELL | $12.12 | 12,000 | $145,440 | 826,251 |
| 2025-05-07 02:30 | 2025-05-02 | PEN | Penumbra Inc | Yuen Maggie | Officer | OPT+S | $299.01 | 2,000 | $598,020 | 13,957 |
| 2025-05-06 19:09 | 2025-05-05 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.71 | 22,620 | $16,065 | 15,248,354 |
| 2025-05-06 00:16 | 2025-05-01 | BSX | BOSTON SCIENTIFIC CORP | Butcher Arthur C | Officer | OPT+S | $102.06 | 17,314 | $1,766,982 | 22,235 |
| 2025-05-05 23:17 | 2025-05-03 | NVCR | NovoCure Ltd | Paravasthu Mukund | Officer | SELL | $17.91 | 592 | $10,604 | 83,556 |
| 2025-05-06 00:16 | 2025-05-01 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | OPT+S | $102.48 | 164,443 | $16,851,971 | 1,535,706 |
| 2025-05-06 02:31 | 2025-05-02 | INSP | Inspire Medical Systems, Inc. | mcCormick Shawn | Director | SELL | $160.00 | 360 | $57,600 | 24,046 |
| 2025-05-05 23:11 | 2025-05-02 | IRTC | iRhythm Holdings, Inc. | Wilson Daniel G. | Officer | SELL | $125.00 | 2,000 | $250,000 | 43,307 |
| 2025-05-05 23:10 | 2025-05-02 | IRTC | iRhythm Holdings, Inc. | Patterson Chad | Officer | SELL | $120.55 | 8,510 | $1,025,898 | 49,930 |
| 2025-05-05 17:06 | 2025-05-02 | MDXG | MIMEDX GROUP, INC. | Capper Joseph H | Officer | BUY | $6.34 | 200,000 | $1,268,000 | 529,530 |
| 2025-05-05 17:58 | 2025-05-02 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.75 | 8,291 | $6,189 | 15,225,734 |
| 2025-05-03 00:08 | 2025-05-01 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $13.78 | 336 | $4,628 | 12,536 |
| 2025-05-01 15:18 | 2025-04-30 | OBIO | Orchestra BioMed Holdings, Inc. | RTW INVESTMENTS, LP | 10% owner | BUY | $2.99 | 49,900 | $149,201 | 8,306,063 |
| 2025-05-01 13:10 | 2025-04-22 | SINT | Sintx Technologies, Inc. | Honigblum Gregg R. | Director, Officer | BUY | $1.79 | 4,000 | $7,160 | 14,000 |
| 2025-05-01 02:06 | 2025-04-29 | SNWV | SANUWAVE Health, Inc. | Opaleye Management Inc. | 10% owner | BUY | $25.49 | 7,998 | $203,875 | 15,000 |
| 2025-04-30 21:25 | 2025-04-22 | SINT | Sintx Technologies, Inc. | Olson Eric K. | Director, Officer | BUY | $1.94 | 14,500 | $28,088 | 14,500 |
| 2025-04-30 21:24 | 2025-04-22 | SINT | Sintx Technologies, Inc. | Honigblum Gregg R. | Director, Officer | BUY | $1.77 | 10,000 | $17,666 | 10,000 |
| 2025-04-30 00:16 | 2025-04-29 | OBIO | Orchestra BioMed Holdings, Inc. | RTW INVESTMENTS, LP | 10% owner | BUY | $2.53 | 50,000 | $126,500 | 8,256,163 |
| 2025-04-30 02:34 | 2025-04-25 | PEN | Penumbra Inc | Bose Arani | Director | SELL | $298.73 | 12,000 | $3,584,776 | 302,819 |
| 2025-04-26 02:55 | 2025-04-24 | PEN | Penumbra Inc | Roberts Johanna | Officer | OPT+S | $300.01 | 600 | $180,006 | 66,159 |
| 2025-04-24 01:48 | 2025-04-22 | ATEC | Alphatec Holdings, Inc. | Koning John Todd | Officer | SELL | $10.71 | 37,500 | $401,625 | 466,536 |
| 2025-04-23 22:32 | 2025-04-21 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.69 | 16,165 | $11,191 | 15,217,443 |
| 2025-04-22 23:09 | 2025-04-21 | BSX | BOSTON SCIENTIFIC CORP | Brown Vance R | Officer | SELL | $95.09 | 4,826 | $458,904 | 36,193 |
| 2025-04-23 01:12 | 2025-04-17 | SSII | SS Innovations International, Inc. | Cohen Barry F | Director, Officer | BUY | $8.92 | 426 | $3,799 | 8,844,206 |
| 2025-04-18 23:18 | 2025-04-16 | OFIX | Orthofix Medical Inc. | Cedron Jorge Andres | Officer | SELL | $13.31 | 3,816 | $50,791 | 42,500 |
| 2025-04-19 02:38 | 2025-04-16 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $274.35 | 16,560 | $4,543,228 | 63,911 |
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.