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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-23 00:17 | 2025-08-20 | LUCD | Lucid Diagnostics Inc. | Matheis Dennis | Director | BUY | $1.02 | 100,000 | $101,840 | 665,443 |
| 2025-08-23 01:27 | 2025-08-22 | IRTC | iRhythm Holdings, Inc. | Shrishrimal Sumi | Officer | SELL | $167.12 | 653 | $109,129 | 34,032 |
| 2025-08-23 00:33 | 2025-08-22 | INFU | InfuSystem Holdings, Inc | Shuda Scott | Director | SELL | $9.67 | 5,752 | $55,622 | 94,000 |
| 2025-08-23 02:48 | 2025-08-20 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $254.53 | 15,900 | $4,046,952 | 170,280 |
| 2025-08-22 23:16 | 2025-08-21 | PODD | INSULET CORP | Benjamin Eric | Officer | SELL | $332.23 | 4,263 | $1,416,296 | 16,736 |
| 2025-08-22 03:19 | 2025-08-19 | ECIA | ENCISION INC | Shepard Brandon Jason | Officer | BUY | $0.10 | 1,000,000 | $100,000 | 1,000,000 |
| 2025-08-21 23:06 | 2025-08-20 | SYK | STRYKER CORP | Fletcher Robert S | Officer | SELL | $393.07 | 1,785 | $701,630 | 10,457 |
| 2025-08-22 03:27 | 2025-08-19 | ECIA | ENCISION INC | Trudel Gregory J. | Officer | BUY | $0.10 | 1,000,000 | $100,000 | 1,297,822 |
| 2025-08-22 02:09 | 2025-08-21 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | SELL | $16.01 | 6,323 | $101,231 | 658,707 |
| 2025-08-22 03:24 | 2025-08-19 | ECIA | ENCISION INC | FRIES ROBERT H | Director | BUY | $0.10 | 750,000 | $75,000 | 1,340,000 |
| 2025-08-21 16:04 | 2025-08-19 | ATRC | AtriCure, Inc. | WEHRWEIN SVEN | Director | OPT+S | $36.00 | 5,000 | $180,000 | 34,374 |
| 2025-08-22 03:30 | 2025-08-19 | ECIA-PK | ENCISION INC | CMED PARTNERS LLLP | 10% owner | BUY | $0.10 | 2,000,000 | $200,000 | 5,196,249 |
| 2025-08-20 23:08 | 2025-08-18 | OFIX | Orthofix Medical Inc. | Fisher Patrick | Officer | SELL | $14.21 | 1,996 | $28,363 | 30,116 |
| 2025-08-21 04:30 | 2025-08-19 | BBNX | Beta Bionics, Inc. | Hopman Mark | Officer | OPT+S | $16.61 | 16,158 | $268,376 | 34,132 |
| 2025-08-21 04:30 | 2025-08-19 | BBNX | Beta Bionics, Inc. | Feider Stephen | Officer | OPT+S | $17.03 | 5,587 | $95,172 | 45,503 |
| 2025-08-21 00:35 | 2025-08-18 | SIBN | SI-BONE, Inc. | PISETSKY MICHAEL A. | Officer | SELL | $15.64 | 3,329 | $52,055 | 258,352 |
| 2025-08-21 00:34 | 2025-08-18 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $15.57 | 3,461 | $53,881 | 214,445 |
| 2025-08-21 01:11 | 2025-08-19 | RCEL | AVITA Medical, Inc. | McNamara Robert | Director | BUY | $5.00 | 10,000 | $50,000 | 76,771 |
| 2025-08-21 00:31 | 2025-08-18 | SIBN | SI-BONE, Inc. | FRANCIS LAURA | Director, Officer | SELL | $15.60 | 11,343 | $176,939 | 419,704 |
| 2025-08-21 00:35 | 2025-08-18 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $15.62 | 3,833 | $59,875 | 275,288 |
| 2025-08-20 18:02 | 2025-08-19 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.80 | 9,042 | $7,200 | 15,645,325 |
| 2025-08-19 20:10 | 2025-08-18 | RMD | RESMED INC | Hernandez John | Director | OPT+S | $287.10 | 2,575 | $739,289 | 4,045 |
| 2025-08-19 18:28 | 2025-08-15 | AORT | Artivion Inc. | Mackin James P | Officer | SELL | $42.32 | 12,500 | $528,988 | 852,783 |
| 2025-08-19 18:49 | 2025-08-18 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.80 | 32,935 | $26,183 | 15,636,283 |
| 2025-08-19 00:02 | 2025-08-15 | SOLV | Solventum Corp | 3M CO | 10% owner | SELL | $73.45 | 8,800,000 | $646,360,000 | 25,569,190 |
| 2025-08-19 00:10 | 2025-08-14 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.79 | 14,083 | $11,171 | 15,603,348 |
| 2025-08-19 00:56 | 2025-08-15 | DXCM | DEXCOM INC | Brown Michael Jon | Officer | SELL | $80.29 | 500 | $40,145 | 94,102 |
| 2025-08-19 00:53 | 2025-08-15 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $81.06 | 2,750 | $222,903 | 51,121 |
| 2025-08-16 00:42 | 2025-08-13 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | SELL | $16.00 | 9,302 | $148,832 | 665,030 |
| 2025-08-16 02:49 | 2025-08-13 | PEN | Penumbra Inc | Yuen Maggie | Officer | OPT+S | $250.00 | 2,000 | $500,000 | 12,943 |
| 2025-08-16 02:44 | 2025-08-13 | PEN | Penumbra Inc | Bose Arani | Director | SELL | $250.65 | 12,000 | $3,007,776 | 558 |
| 2025-08-14 16:56 | 2025-08-12 | AORT | Artivion Inc. | Davis John E | Officer | OPT+S | $43.67 | 10,802 | $471,756 | 208,778 |
| 2025-08-14 16:58 | 2025-08-12 | AORT | Artivion Inc. | Holloway Jean F | Officer | OPT+S | $43.01 | 23,356 | $1,004,609 | 172,129 |
| 2025-08-14 18:06 | 2025-08-13 | SRTS | Sensus Healthcare, Inc. | Sardano Michael | Director, Officer | BUY | $3.37 | 1,000 | $3,370 | 116,839 |
| 2025-08-14 21:46 | 2025-08-14 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.08 | 100,000 | $7,660 | 10,535,090 |
| 2025-08-15 02:07 | 2025-08-14 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | BUY | $112.84 | 21,929 | $2,474,374 | 130,149 |
| 2025-08-14 23:18 | 2025-08-13 | PRCT | PROCEPT BioRobotics Corp | MOLL FREDERIC H | Director | BUY | $39.26 | 20,000 | $785,138 | 863,159 |
| 2025-08-14 18:54 | 2025-08-13 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.80 | 3,983 | $3,192 | 15,593,248 |
| 2025-08-14 23:30 | 2025-08-12 | LMAT | LEMAITRE VASCULAR INC | Jasinski Lawrence J | Director | SELL | $92.78 | 976 | $90,553 | 4,773 |
| 2025-08-14 02:40 | 2025-08-11 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $238.94 | 600 | $143,363 | 65,457 |
| 2025-08-14 02:44 | 2025-08-12 | PEN | Penumbra Inc | Wilder Thomas | Director | SELL | $240.16 | 372 | $89,340 | 372 |
| 2025-08-13 18:37 | 2025-08-12 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.82 | 8,411 | $6,922 | 15,589,265 |
| 2025-08-14 00:08 | 2025-08-11 | LMAT | LEMAITRE VASCULAR INC | Roberts David B | Director, Officer | OPT+S | $92.39 | 10,815 | $999,173 | 17,976 |
| 2025-08-13 15:55 | 2025-08-08 | LMAT | LEMAITRE VASCULAR INC | Ross Bridget A | Director | OPT+S | $94.00 | 2,500 | $235,000 | 2,916 |
| 2025-08-13 15:54 | 2025-08-08 | LMAT | LEMAITRE VASCULAR INC | Roush John A | Director | OPT+S | $92.67 | 7,500 | $695,015 | 2,916 |
| 2025-08-12 19:12 | 2025-08-11 | MMSI | MERIT MEDICAL SYSTEMS INC | Ward Lynne N. | Director | OPT+S | $84.89 | 2,433 | $206,536 | 12,809 |
| 2025-08-12 23:30 | 2025-08-12 | RCEL | AVITA Medical, Inc. | O'Toole David D | Officer | BUY | $4.81 | 2,000 | $9,620 | 29,657 |
| 2025-08-12 23:39 | 2025-08-11 | IRTC | iRhythm Holdings, Inc. | Rosenbaum Marc Wade | Officer | SELL | $158.93 | 226 | $35,918 | 10,879 |
| 2025-08-12 23:38 | 2025-08-11 | IRTC | iRhythm Holdings, Inc. | TALWALKAR ABHIJIT Y | Director | OPT+S | $158.02 | 5,312 | $839,380 | 20,299 |
| 2025-08-12 23:15 | 2025-08-08 | STIM | Neuronetics, Inc. | Madryn Asset Management, LP | 10% owner | SELL | $3.72 | 3,500,000 | $13,020,000 | 2,261,168 |
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.