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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-05 01:45 | 2025-09-02 | BBNX | Beta Bionics, Inc. | Feider Stephen | Officer | SELL | $18.86 | 1,462 | $27,578 | 44,041 |
| 2025-09-05 00:14 | 2025-09-03 | IRTC | iRhythm Holdings, Inc. | Wilson Daniel G. | Officer | SELL | $175.00 | 5,000 | $875,000 | 34,470 |
| 2025-09-05 02:36 | 2025-09-02 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $270.58 | 600 | $162,347 | 64,857 |
| 2025-09-05 02:36 | 2025-09-03 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $269.65 | 15,800 | $4,260,457 | 182,460 |
| 2025-09-05 02:36 | 2025-09-02 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $272.19 | 186 | $50,627 | 8,888 |
| 2025-09-05 02:00 | 2025-09-02 | ATEC | Alphatec Holdings, Inc. | Miles Patrick | Director, Officer | SELL | $15.73 | 300,000 | $4,719,000 | 5,564,078 |
| 2025-09-04 18:08 | 2025-09-03 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.78 | 3,000 | $2,346 | 15,653,825 |
| 2025-09-04 23:13 | 2025-09-02 | DXCM | DEXCOM INC | Sylvain Jereme M | Officer | SELL | $74.17 | 4,824 | $357,796 | 118,657 |
| 2025-09-03 23:17 | 2025-09-02 | BSX | BOSTON SCIENTIFIC CORP | Fitzgerald Joseph Michael | Officer | OPT+S | $105.43 | 50,000 | $5,271,415 | 178,342 |
| 2025-09-03 23:30 | 2025-09-02 | IRTC | iRhythm Holdings, Inc. | Wilson Daniel G. | Officer | SELL | $167.28 | 737 | $123,285 | 39,470 |
| 2025-09-04 00:39 | 2025-09-02 | RMD | RESMED INC | Sandercock Brett | Officer | OPT+S | $270.77 | 3,000 | $812,310 | 87,745 |
| 2025-09-03 18:15 | 2025-09-02 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.80 | 5,500 | $4,417 | 15,650,825 |
| 2025-09-04 00:14 | 2025-09-02 | LUNG | Pulmonx Corp | Williamson Steven S. | Director, Officer | SELL | $1.60 | 9,648 | $15,437 | 358,967 |
| 2025-09-04 00:12 | 2025-09-02 | LUNG | Pulmonx Corp | Joshi Mehul | Officer | SELL | $1.60 | 7,936 | $12,698 | 208,489 |
| 2025-09-04 00:10 | 2025-09-02 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $1.60 | 6,543 | $10,469 | 379,788 |
| 2025-09-04 00:08 | 2025-09-02 | LUNG | Pulmonx Corp | Lehman David Aaron | Officer | SELL | $1.60 | 9,769 | $15,630 | 263,270 |
| 2025-09-03 03:14 | 2025-08-29 | INSP | Inspire Medical Systems, Inc. | Buchholz Richard | Officer | SELL | $93.39 | 11,000 | $1,027,290 | 44,867 |
| 2025-09-02 16:04 | 2025-08-21 | HRGN | Harvard Apparatus Regenerative Technology, Inc. | He Junli | Director, Officer | BUY | $1.72 | 4,050 | $6,966 | 266,050 |
| 2025-08-30 03:00 | 2025-08-28 | NXGL | NEXGEL, INC. | Levy Adam R. | Director, Officer | SELL | $2.47 | 4,000 | $9,896 | 358,284 |
| 2025-08-29 23:30 | 2025-08-28 | RCEL | AVITA Medical, Inc. | McNamara Robert | Director | BUY | $4.50 | 10,000 | $45,000 | 86,771 |
| 2025-08-29 01:08 | 2025-08-27 | AORT | Artivion Inc. | Stanton Marshall S. | Officer | OPT+S | $44.02 | 18,200 | $801,219 | 64,200 |
| 2025-08-29 04:21 | 2025-08-27 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | SELL | $16.74 | 20,000 | $334,786 | 20,218 |
| 2025-08-29 00:28 | 2025-08-26 | ICU | SeaStar Medical Holding Corp | Van Heel Kenneth | Director | BUY | $0.88 | 35,000 | $30,814 | 49,400 |
| 2025-08-27 23:32 | 2025-08-25 | SYK | STRYKER CORP | Menon Viju | Officer | SELL | $390.61 | 500 | $195,305 | 12,511 |
| 2025-08-28 00:51 | 2025-08-27 | ICUI | ICU MEDICAL INC/DE | Greenberg David C. | Director | BUY | $126.42 | 1,200 | $151,698 | 7,960 |
| 2025-08-27 23:30 | 2025-08-27 | DRIO | DarioHealth Corp. | Nelson Steven Charles | Officer | BUY | $0.53 | 40,000 | $21,200 | 95,000 |
| 2025-08-27 15:00 | 2025-08-26 | SINT | Sintx Technologies, Inc. | Honigblum Gregg R. | Director, Officer | BUY | $3.70 | 50,000 | $185,000 | 64,000 |
| 2025-08-27 15:00 | 2025-08-26 | SINT | Sintx Technologies, Inc. | MOYES JAY M | Director | BUY | $3.59 | 3,000 | $10,756 | 3,000 |
| 2025-08-27 04:45 | 2025-08-25 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | BUY | $11.36 | 40,000 | $454,300 | 40,218 |
| 2025-08-27 04:24 | 2025-08-22 | STSS | Sharps Technology Inc. | Christiansen Soren Bo | Director | BUY | $6.41 | 80,000 | $512,800 | 80,000 |
| 2025-08-27 04:24 | 2025-08-22 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director | BUY | $6.41 | 100,000 | $641,000 | 100,000 |
| 2025-08-27 04:24 | 2025-08-22 | STSS | Sharps Technology Inc. | Monroe Jason L. | Director | BUY | $6.41 | 80,000 | $512,800 | 80,000 |
| 2025-08-27 04:24 | 2025-08-22 | STSS | Sharps Technology Inc. | Simpson Brenda Baird | Director | BUY | $6.41 | 20,000 | $128,200 | 20,000 |
| 2025-08-26 23:29 | 2025-08-22 | BBNX | Beta Bionics, Inc. | Feider Stephen | Officer | OPT+S | $17.01 | 4,413 | $75,083 | 45,503 |
| 2025-08-26 17:39 | 2025-08-25 | AORT | Artivion Inc. | Holloway Jean F | Officer | OPT+S | $44.37 | 10,000 | $443,700 | 172,129 |
| 2025-08-26 23:30 | 2025-08-26 | RCEL | AVITA Medical, Inc. | O'Toole David D | Officer | BUY | $4.52 | 2,000 | $9,040 | 31,657 |
| 2025-08-27 04:24 | 2025-08-22 | STSS | Sharps Technology Inc. | Crescenzo Andrew R. | Director, Officer | BUY | $6.41 | 40,000 | $256,400 | 40,000 |
| 2025-08-26 15:27 | 2025-08-22 | ATRC | AtriCure, Inc. | WEHRWEIN SVEN | Director | OPT+S | $37.00 | 5,000 | $185,000 | 34,374 |
| 2025-08-27 04:24 | 2025-08-22 | STSS | Sharps Technology Inc. | DANNER PAUL K | Director | BUY | $6.41 | 400,000 | $2,564,000 | 400,000 |
| 2025-08-26 22:41 | 2025-08-22 | BDX | BECTON DICKINSON & CO | Feld Michael | Officer | SELL | $197.99 | 57 | $11,285 | 8,360 |
| 2025-08-26 01:21 | 2025-08-22 | ICU | SeaStar Medical Holding Corp | Chung Kevin | Officer | BUY | $0.80 | 10,000 | $8,000 | 58,184 |
| 2025-08-25 19:06 | 2025-08-22 | MMSI | MERIT MEDICAL SYSTEMS INC | Ward Lynne N. | Director | OPT+S | $88.56 | 3,000 | $265,680 | 12,809 |
| 2025-08-26 02:01 | 2025-08-25 | OBIO | Orchestra BioMed Holdings, Inc. | Taylor Andrew Lawrence | Officer | BUY | $2.55 | 2,000 | $5,100 | 482,788 |
| 2025-08-26 02:04 | 2025-08-25 | OBIO | Orchestra BioMed Holdings, Inc. | Sherman Darren | Director, Officer | BUY | $2.62 | 3,000 | $7,860 | 926,837 |
| 2025-08-26 02:04 | 2025-08-25 | OBIO | Orchestra BioMed Holdings, Inc. | Fain Eric S | Director | BUY | $2.61 | 5,760 | $15,034 | 71,709 |
| 2025-08-25 17:24 | 2025-08-21 | KIDS | ORTHOPEDIATRICS CORP | Hite Fred | Director, Officer | BUY | $19.41 | 5,076 | $98,525 | 213,065 |
| 2025-08-26 02:03 | 2025-08-21 | OBIO | Orchestra BioMed Holdings, Inc. | Hochman David P | Director, Officer | BUY | $2.49 | 6,000 | $14,940 | 651,460 |
| 2025-08-26 00:14 | 2025-08-22 | SINT | Sintx Technologies, Inc. | Olson Eric K. | Director, Officer | BUY | $3.58 | 10,475 | $37,470 | 24,975 |
| 2025-08-25 14:30 | 2025-08-22 | PSTV | PLUS THERAPEUTICS, INC. | Lenk Robert P | Director | BUY | $0.49 | 110,000 | $53,779 | 139,327 |
| 2025-08-25 22:25 | 2025-08-25 | CERS | CERUS CORP | Gregory Dean A. | Director | BUY | $1.25 | 25,000 | $31,250 | 86,725 |
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.