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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-07 00:05 | 2025-11-05 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | GRAVES JEFFREY A | Director | BUY | $11.35 | 9,000 | $102,150 | 41,086 |
| 2025-11-06 18:53 | 2025-11-05 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.83 | 7,500 | $6,195 | 15,825,391 |
| 2025-11-06 05:45 | 2025-10-31 | BBNX | Beta Bionics, Inc. | Lezack Adam | Director | SELL | $26.87 | 1,406 | $37,780 | 9,841 |
| 2025-11-06 05:45 | 2025-10-31 | BBNX | Beta Bionics, Inc. | Palasis Maria | Director | SELL | $26.91 | 1,406 | $37,834 | 9,841 |
| 2025-11-06 02:30 | 2025-11-03 | ATEC | Alphatec Holdings, Inc. | Rydin Jeffrey P | Director | SELL | $19.32 | 200,000 | $3,864,000 | 385,441 |
| 2025-11-06 02:30 | 2025-11-03 | ATEC | Alphatec Holdings, Inc. | Miles Patrick | Director, Officer | SELL | $18.96 | 100,000 | $1,896,000 | 5,364,078 |
| 2025-11-05 16:30 | 2025-11-04 | PSTV | PLUS THERAPEUTICS, INC. | Sims Andrew John Hugh MacIntyre | Officer | BUY | $0.51 | 20,000 | $10,200 | 68,138 |
| 2025-11-05 00:15 | 2025-11-03 | BSX | BOSTON SCIENTIFIC CORP | Fitzgerald Joseph Michael | Officer | OPT+S | $99.47 | 50,000 | $4,973,340 | 178,342 |
| 2025-11-05 01:04 | 2025-11-03 | IRTC | iRhythm Holdings, Inc. | Blackford Quentin S. | Director, Officer | SELL | $182.94 | 14,059 | $2,571,907 | 164,979 |
| 2025-11-05 00:02 | 2025-11-03 | RMD | RESMED INC | Sandercock Brett | Officer | OPT+S | $247.54 | 3,000 | $742,620 | 85,745 |
| 2025-11-05 00:05 | 2025-11-03 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $82.64 | 5,000 | $413,216 | 2,322,500 |
| 2025-11-05 02:51 | 2025-11-03 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $14.80 | 293 | $4,338 | 10,831 |
| 2025-11-04 00:30 | 2025-10-31 | IRTC | iRhythm Holdings, Inc. | Wilson Daniel G. | Officer | SELL | $207.44 | 8,000 | $1,659,520 | 26,470 |
| 2025-11-01 01:30 | 2025-10-31 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $19.95 | 100,000 | $1,995,000 | 1,289,142 |
| 2025-10-31 19:18 | 2025-10-30 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.86 | 15,000 | $12,915 | 15,817,891 |
| 2025-10-30 23:34 | 2025-10-29 | MMM | 3M CO | Murphy Mark W. | Officer | OPT+S | $166.55 | 19,061 | $3,174,589 | 6,594 |
| 2025-10-29 16:20 | 2025-10-27 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $77.69 | 5,000 | $388,430 | 2,327,500 |
| 2025-10-29 21:22 | 2025-10-28 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.92 | 35,000 | $32,029 | 15,802,891 |
| 2025-10-29 00:44 | 2025-10-27 | BSX | BOSTON SCIENTIFIC CORP | Zane Ellen M | Director | SELL | $101.38 | 12,891 | $1,306,900 | 24,134 |
| 2025-10-28 22:40 | 2025-10-24 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $16.18 | 70,000 | $1,132,600 | 461,861 |
| 2025-10-28 21:02 | 2025-10-27 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.94 | 34,506 | $32,522 | 15,767,891 |
| 2025-10-28 18:58 | 2025-10-27 | BDX | BECTON DICKINSON & CO | Feld Michael | Officer | SELL | $186.01 | 57 | $10,603 | 8,245 |
| 2025-10-27 17:52 | 2025-10-23 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.95 | 356 | $339 | 15,733,385 |
| 2025-10-24 23:05 | 2023-10-23 | GIPL | Global Innovative Platforms Inc. | Brown Andrew Nicholas | Director, Officer, 10% owner | BUY | $0.00 | 10,088,888 | $6,053 | 6,775,486 |
| 2025-10-23 17:38 | 2025-10-22 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.96 | 10,000 | $9,600 | 15,733,029 |
| 2025-10-22 23:05 | 2025-10-21 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $74.82 | 5,000 | $374,081 | 2,332,500 |
| 2025-10-22 14:00 | 2025-10-21 | ANGO | Angiodynamics Inc. | Weiss Lawrence T | Officer | BUY | $11.81 | 10,000 | $118,100 | 93,597 |
| 2025-10-21 14:00 | 2025-10-20 | SINT | Sintx Technologies, Inc. | Olson Eric K. | Director, Officer | BUY | $3.40 | 5,800 | $19,720 | 30,775 |
| 2025-10-15 19:01 | 2025-10-14 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.93 | 14,204 | $13,147 | 15,723,029 |
| 2025-10-14 23:05 | 2025-10-13 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $72.59 | 5,000 | $362,964 | 2,337,500 |
| 2025-10-14 23:33 | 2025-10-10 | CLPT | ClearPoint Neuro, Inc. | BURNETT JOSEPH | Director, Officer | SELL | $26.98 | 26,463 | $714,019 | 217,059 |
| 2025-10-14 13:11 | 2025-10-13 | ANGO | Angiodynamics Inc. | Trowbridge Stephen A | Officer | BUY | $11.16 | 890 | $9,932 | 256,629 |
| 2025-10-09 18:03 | 2025-10-07 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $282.85 | 8,009 | $2,265,332 | 467,792 |
| 2025-10-10 02:09 | 2025-10-06 | SNWV | SANUWAVE Health, Inc. | Opaleye Management Inc. | 10% owner | BUY | $30.28 | 1,267 | $38,361 | 966,267 |
| 2025-10-10 04:09 | 2025-10-09 | ANGO | Angiodynamics Inc. | Clemmer James C | Director, Officer | BUY | $11.15 | 10,000 | $111,500 | 882,529 |
| 2025-10-09 18:05 | 2025-10-08 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.92 | 30,000 | $27,699 | 15,708,825 |
| 2025-10-09 03:12 | 2025-10-06 | SGHT | Sight Sciences, Inc. | Taylor Brenton | Officer | SELL | $3.37 | 591 | $1,992 | 185,249 |
| 2025-10-07 23:15 | 2025-10-03 | BBNX | Beta Bionics, Inc. | Feider Stephen | Officer | OPT+S | $21.69 | 4,982 | $108,077 | 44,041 |
| 2025-10-08 02:18 | 2025-10-02 | PLSE | PULSE BIOSCIENCES, INC. | Danahy Kevin Patrick | Officer | OPT+S | $18.53 | 4,600 | $85,238 | 43,298 |
| 2025-10-08 00:00 | 2025-10-06 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $71.72 | 5,000 | $358,614 | 2,342,500 |
| 2025-10-07 03:00 | 2025-10-02 | NXGL | NEXGEL, INC. | Henry Scott Robert | Director | SELL | $2.55 | 8,000 | $20,360 | 113,356 |
| 2025-10-07 03:00 | 2025-10-02 | NXGL | NEXGEL, INC. | Levy Adam R. | Director, Officer | SELL | $2.53 | 4,000 | $10,119 | 371,692 |
| 2025-10-07 01:10 | 2025-10-02 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $14.20 | 3,311 | $47,013 | 211,134 |
| 2025-10-07 01:10 | 2025-10-02 | SIBN | SI-BONE, Inc. | PISETSKY MICHAEL A. | Officer | SELL | $14.25 | 3,128 | $44,583 | 255,224 |
| 2025-10-07 01:09 | 2025-10-02 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $14.25 | 3,311 | $47,197 | 271,977 |
| 2025-10-03 23:31 | 2025-10-01 | BBNX | Beta Bionics, Inc. | Feider Stephen | Officer | OPT+S | $20.76 | 15,018 | $311,805 | 44,041 |
| 2025-10-04 00:53 | 2025-10-02 | SGHT | Sight Sciences, Inc. | Bauerlein Alison | Officer | SELL | $3.30 | 19,948 | $65,828 | 597,520 |
| 2025-10-04 00:53 | 2025-10-01 | SGHT | Sight Sciences, Inc. | Badawi Paul | Director, Officer, 10% owner | SELL | $3.34 | 24,441 | $81,633 | 5,962,502 |
| 2025-10-04 00:53 | 2025-10-03 | SGHT | Sight Sciences, Inc. | Badawi David | Director, Officer | SELL | $3.27 | 6,033 | $19,728 | 1,864,992 |
| 2025-10-04 00:52 | 2025-10-03 | SGHT | Sight Sciences, Inc. | HAYDEN JEREMY B. | Officer | SELL | $3.27 | 9,731 | $31,820 | 256,590 |
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.