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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-18 02:34 | 2025-04-15 | PEN | Penumbra Inc | O'Rourke Bridget | Director | SELL | $271.21 | 50 | $13,561 | 5,523 |
| 2025-04-17 18:24 | 2025-04-16 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.69 | 166 | $115 | 15,201,278 |
| 2025-04-17 01:12 | 2025-04-14 | SSII | SS Innovations International, Inc. | Cohen Barry F | Director, Officer | BUY | $9.22 | 210 | $1,936 | 8,843,780 |
| 2025-04-16 00:50 | 2025-04-11 | BVS | Bioventus Inc. | Singleton Mark Leonard | Officer | SELL | $7.57 | 3,875 | $29,334 | 141,088 |
| 2025-04-16 00:50 | 2025-04-11 | BVS | Bioventus Inc. | D'Adamio Anthony | Officer | SELL | $7.57 | 2,958 | $22,392 | 131,416 |
| 2025-04-16 00:49 | 2025-04-11 | BVS | Bioventus Inc. | CHURCH KATRINA J | Officer | SELL | $7.57 | 1,283 | $9,712 | 55,557 |
| 2025-04-15 00:00 | 2025-04-10 | NXGL | NEXGEL, INC. | Henry Scott Robert | Director | SELL | $2.61 | 3,000 | $7,825 | 135,053 |
| 2025-04-14 20:48 | 2025-04-11 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.69 | 33,524 | $23,145 | 15,201,112 |
| 2025-04-15 02:14 | 2025-04-10 | XTNT | Xtant Medical Holdings, Inc. | ORBIMED ADVISORS LLC | 10% owner | SELL | $0.42 | 73,114,592 | $30,708,129 | 0 |
| 2025-04-11 01:01 | 2025-04-08 | SSII | SS Innovations International, Inc. | Cohen Barry F | Director, Officer | BUY | $8.91 | 1,000 | $8,906 | 8,843,570 |
| 2025-04-11 01:14 | 2025-04-08 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $215.58 | 1,000 | $215,580 | 89,864 |
| 2025-04-10 20:56 | 2025-04-09 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.67 | 332 | $221 | 15,167,588 |
| 2025-04-10 20:56 | 2025-04-09 | BDX | BECTON DICKINSON & CO | Garrison Michael David | Officer | SELL | $197.28 | 479 | $94,497 | 4,887 |
| 2025-04-09 17:52 | 2025-04-07 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $209.85 | 8,009 | $1,680,699 | 455,472 |
| 2025-04-08 18:03 | 2025-04-04 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.67 | 15,000 | $10,080 | 15,167,256 |
| 2025-04-07 23:47 | 2025-04-04 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | McClurg Ronald W. | Officer | BUY | $0.50 | 200,000 | $100,000 | 444,117 |
| 2025-04-07 23:38 | 2025-04-04 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Rosa David A | Director, Officer | BUY | $0.50 | 100,000 | $50,000 | 1,161,289 |
| 2025-04-04 23:23 | 2025-04-02 | OFIX | Orthofix Medical Inc. | Gillespie Geoffrey C | Officer | SELL | $15.74 | 76 | $1,196 | 42,445 |
| 2025-04-05 00:24 | 2025-04-02 | PDEX | PRO DEX INC | Swenson Nicholas John | Director, 10% owner | SELL | $0.00 | 4,526 | $0 | 922,204 |
| 2025-04-05 00:14 | 2025-04-02 | SIBN | SI-BONE, Inc. | Pisetsky Michael A | Officer | SELL | $14.14 | 3,128 | $44,219 | 244,878 |
| 2025-04-05 00:12 | 2025-04-02 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $14.11 | 3,311 | $46,724 | 270,293 |
| 2025-04-05 03:38 | 2025-04-02 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $272.24 | 16,565 | $4,509,728 | 52,495 |
| 2025-04-05 03:36 | 2025-04-02 | PEN | Penumbra Inc | Wilder Thomas | Director | SELL | $266.93 | 360 | $96,095 | 4,692 |
| 2025-04-05 00:13 | 2025-04-02 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $14.15 | 3,311 | $46,853 | 284,555 |
| 2025-04-04 19:47 | 2025-04-02 | RMD | RESMED INC | FARRELL PETER C | Director | SELL | $219.74 | 2,000 | $439,480 | 73,218 |
| 2025-04-04 17:51 | 2025-04-03 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.68 | 1,534 | $1,046 | 15,152,256 |
| 2025-04-03 19:59 | 2025-04-01 | RMD | RESMED INC | Rider Michael J | Officer | SELL | $222.86 | 64 | $14,263 | 8,846 |
| 2025-04-04 04:57 | 2025-04-02 | SGHT | Sight Sciences, Inc. | HAYDEN JEREMY B. | Officer | SELL | $2.31 | 9,395 | $21,693 | 275,481 |
| 2025-04-04 04:56 | 2025-04-01 | SGHT | Sight Sciences, Inc. | Badawi Paul | Director, Officer | SELL | $2.30 | 24,174 | $55,673 | 6,010,580 |
| 2025-04-04 04:56 | 2025-04-02 | SGHT | Sight Sciences, Inc. | Link Matthew | Officer | SELL | $2.31 | 5,042 | $11,642 | 830,551 |
| 2025-04-04 04:55 | 2025-04-01 | SGHT | Sight Sciences, Inc. | Badawi David | Director, Officer | SELL | $2.30 | 5,980 | $13,772 | 1,836,704 |
| 2025-04-04 04:54 | 2025-04-02 | SGHT | Sight Sciences, Inc. | Bauerlein Alison | Officer | SELL | $2.31 | 19,397 | $44,788 | 649,794 |
| 2025-04-02 23:54 | 2025-04-01 | MMSI | MERIT MEDICAL SYSTEMS INC | Peterson Neil | Officer | OPT+S | $104.53 | 5,000 | $522,650 | 28,369 |
| 2025-04-02 23:12 | 2025-04-01 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | OPT+S | $100.01 | 164,442 | $16,445,072 | 1,594,530 |
| 2025-04-03 00:45 | 2025-03-31 | SSII | SS Innovations International, Inc. | Cohen Barry F | Director, Officer | BUY | $9.66 | 3,090 | $29,847 | 8,842,570 |
| 2025-04-03 00:00 | 2025-04-01 | NXGL | NEXGEL, INC. | Levy Adam R. | Director, Officer | SELL | $3.01 | 4,000 | $12,038 | 370,284 |
| 2025-04-03 02:34 | 2025-03-31 | PEN | Penumbra Inc | Wilder Thomas | Director | SELL | $264.58 | 360 | $95,249 | 4,533 |
| 2025-04-03 02:33 | 2025-04-01 | PEN | Penumbra Inc | Roberts Johanna | Officer | OPT+S | $269.11 | 600 | $161,466 | 66,353 |
| 2025-04-03 02:33 | 2025-04-01 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $267.17 | 200 | $53,434 | 9,074 |
| 2025-04-01 23:15 | 2025-03-28 | ALUR | Allurion Technologies Inc. | Gaur Shantanu | Director, Officer | BUY | $3.35 | 8,000 | $26,800 | 8,000 |
| 2025-04-02 00:24 | 2025-02-28 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director, Officer | BUY | $0.04 | 300,000 | $10,740 | 400,882 |
| 2025-04-01 19:04 | 2025-03-28 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.70 | 24,004 | $16,760 | 15,150,722 |
| 2025-04-02 01:55 | 2025-04-01 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director, 10% owner | SELL | $50.01 | 7,263 | $363,223 | 270,846 |
| 2025-04-01 04:01 | 2025-03-28 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director, 10% owner | SELL | $50.00 | 1,678 | $83,900 | 278,109 |
| 2025-03-28 19:10 | 2025-03-27 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.74 | 6,736 | $4,969 | 15,126,718 |
| 2025-03-28 03:01 | 2025-03-25 | PEN | Penumbra Inc | Bose Arani | Director | SELL | $283.77 | 12,000 | $3,405,252 | 314,819 |
| 2025-03-28 02:14 | 2025-03-25 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | SELL | $106.84 | 1,520 | $162,399 | 53,431 |
| 2025-03-28 02:18 | 2025-03-26 | PDEX | PRO DEX INC | CABILLOT RAYMOND E | Director, 10% owner | SELL | $50.13 | 3,096 | $155,202 | 279,787 |
| 2025-03-26 20:11 | 2025-03-25 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.73 | 982 | $718 | 15,119,982 |
| 2025-03-26 23:22 | 2025-03-25 | PODD | INSULET CORP | Frederick Wayne A.I. | Director | SELL | $275.00 | 1,825 | $501,875 | 3,231 |
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.