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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-08-20 00:13 | 2024-08-16 | STIM | Neuronetics, Inc. | CASCELLA ROBERT | Director | BUY | $1.07 | 39,000 | $41,660 | 353,098 |
| 2024-08-20 00:15 | 2024-08-15 | GKOS | GLAUKOS Corp | Stapley Marc | Director | OPT+S | $125.93 | 6,250 | $787,086 | 34,076 |
| 2024-08-19 16:00 | 2024-08-15 | TMCI | TREACE MEDICAL CONCEPTS, INC. | TREACE JAMES T | Director | BUY | $5.96 | 84,000 | $501,035 | 1,223,441 |
| 2024-08-19 21:00 | 2024-08-15 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.99 | 3,652 | $3,615 | 14,605,340 |
| 2024-08-19 23:35 | 2024-08-15 | CERS | CERUS CORP | Jensen Chrystal | Officer | SELL | $2.07 | 16,667 | $34,417 | 474,245 |
| 2024-08-16 18:38 | 2024-08-15 | AORT | Artivion Inc. | Holloway Jean F | Officer | SELL | $25.76 | 2,383 | $61,393 | 165,099 |
| 2024-08-17 00:22 | 2024-08-16 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | OPT+S | $156.04 | 12,000 | $1,872,480 | 104,593 |
| 2024-08-17 00:25 | 2024-08-16 | TFX | TELEFLEX INC | RANDLE STUART A | Director | OPT+S | $238.93 | 2,674 | $638,899 | 5,496 |
| 2024-08-17 00:15 | 2024-08-14 | STIM | Neuronetics, Inc. | CASCELLA ROBERT | Director | BUY | $0.84 | 70,000 | $58,450 | 314,098 |
| 2024-08-17 00:15 | 2024-08-14 | STIM | Neuronetics, Inc. | MUIR GLENN P | Director | BUY | $0.75 | 25,171 | $18,878 | 214,818 |
| 2024-08-16 22:23 | 2024-08-14 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $316.87 | 44,813 | $14,199,730 | 90,044 |
| 2024-08-15 17:37 | 2024-08-13 | AORT | Artivion Inc. | SEMEDO ANTHONY B. | Director | SELL | $24.99 | 9,709 | $242,628 | 34,159 |
| 2024-08-16 00:09 | 2024-08-14 | XAIR | Beyond Air, Inc. | Lucera Erick | Director | BUY | $0.40 | 39,266 | $15,565 | 43,608 |
| 2024-08-16 00:09 | 2024-08-14 | XAIR | Beyond Air, Inc. | Lisi Steven A. | Director, Officer | BUY | $0.39 | 100,000 | $38,640 | 1,722,785 |
| 2024-08-16 00:30 | 2024-08-14 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Treace John T. | Director, Officer, 10% owner | BUY | $6.00 | 85,000 | $510,315 | 6,473,095 |
| 2024-08-16 00:09 | 2024-08-14 | XAIR | Beyond Air, Inc. | Carey Robert | Director | BUY | $0.40 | 100,000 | $39,680 | 3,076,864 |
| 2024-08-16 02:41 | 2024-08-13 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $175.98 | 600 | $105,587 | 61,688 |
| 2024-08-16 00:30 | 2024-08-14 | OBIO | Orchestra BioMed Holdings, Inc. | Hochman David P | Director, Officer | BUY | $5.84 | 2,500 | $14,600 | 567,998 |
| 2024-08-16 02:18 | 2024-08-15 | CVRX | CVRx, Inc. | SLATTERY JOSEPH P | Director | BUY | $8.10 | 3,000 | $24,300 | 30,645 |
| 2024-08-15 18:20 | 2024-08-14 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.00 | 13,924 | $13,934 | 14,601,688 |
| 2024-08-16 01:48 | 2024-08-13 | LMAT | LEMAITRE VASCULAR INC | Roberts David B | Director, Officer | OPT+S | $82.07 | 3,063 | $251,380 | 14,114 |
| 2024-08-15 03:31 | 2024-08-12 | LNSR | LENSAR, Inc. | Winer Gary M | Director | BUY | $4.14 | 1,500 | $6,215 | 76,845 |
| 2024-08-15 00:59 | 2024-08-12 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $310.24 | 5,567 | $1,727,102 | 134,857 |
| 2024-08-14 23:26 | 2024-08-12 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Ferstler Sherri Lee | Officer | SELL | $13.07 | 1,550 | $20,263 | 38,764 |
| 2024-08-13 22:51 | 2024-08-12 | RMD | RESMED INC | Ghoshal Kaushik | Officer | OPT+S | $216.60 | 10,000 | $2,166,000 | 13,032 |
| 2024-08-14 01:57 | 2024-08-09 | SSII | SS Innovations International, Inc. | Cohen Barry F | Director, Officer | BUY | $4.24 | 498 | $2,112 | 8,959,281 |
| 2024-08-13 20:58 | 2024-08-13 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.11 | 50,000 | $5,595 | 10,335,090 |
| 2024-08-14 01:56 | 2024-08-13 | APYX | Apyx Medical Corporation | HILL MATTHEW C | Officer | BUY | $1.13 | 5,336 | $6,030 | 7,836 |
| 2024-08-14 00:00 | 2024-08-12 | SKIN | Beauty Health Co | SAUNDERS BRENT L | Director | BUY | $1.08 | 40,450 | $43,686 | 5,921,769 |
| 2024-08-13 03:24 | 2024-08-09 | IRTC | iRhythm Holdings, Inc. | Bobzien Brice | Officer | SELL | $70.34 | 1,372 | $96,506 | 24,428 |
| 2024-08-12 18:57 | 2024-08-08 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $212.16 | 1,000 | $212,160 | 89,056 |
| 2024-08-13 00:05 | 2024-08-08 | GKOS | GLAUKOS Corp | WEISNER AIMEE S | Director | OPT+S | $120.00 | 25,000 | $3,000,000 | 30,119 |
| 2024-08-13 00:22 | 2024-08-08 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $310.44 | 14,433 | $4,480,534 | 140,424 |
| 2024-08-09 18:53 | 2024-08-07 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $214.25 | 14,683 | $3,145,905 | 440,799 |
| 2024-08-08 23:56 | 2024-08-08 | ICUI | ICU MEDICAL INC/DE | Sanzone Virginia Ruth | Officer | SELL | $144.11 | 2,050 | $295,426 | 4,482 |
| 2024-08-08 15:02 | 2024-08-07 | MMM | 3M CO | Roman Michael F | Director, Officer | SELL | $123.46 | 5,675 | $700,608 | 174,036 |
| 2024-08-08 23:23 | 2024-08-06 | SYK | STRYKER CORP | STRYKER RONDA E | Director, 10% owner | SELL | $323.46 | 190,000 | $61,457,153 | 3,316,608 |
| 2024-08-08 23:18 | 2024-08-08 | CVRX | CVRx, Inc. | SLATTERY JOSEPH P | Director | BUY | $8.24 | 3,000 | $24,716 | 27,645 |
| 2024-08-08 23:16 | 2024-08-06 | WST | WEST PHARMACEUTICAL SERVICES INC | Green Eric Mark | Director, Officer | OPT+S | $304.71 | 30,732 | $9,364,409 | 161,898 |
| 2024-08-07 15:56 | 2024-08-06 | MMM | 3M CO | Reinseth Theresa E | Officer | SELL | $124.12 | 2,100 | $260,652 | 4,364 |
| 2024-08-07 20:26 | 2024-08-07 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.12 | 50,000 | $5,880 | 10,285,090 |
| 2024-08-07 23:37 | 2024-08-05 | LMAT | LEMAITRE VASCULAR INC | Kamke Trent G | Officer | OPT+S | $81.82 | 182 | $14,891 | 4,561 |
| 2024-08-07 23:07 | 2024-08-02 | CERS | CERUS CORP | Benjamin Richard J | Officer | SELL | $2.50 | 21,605 | $54,013 | 438,007 |
| 2024-08-07 00:51 | 2024-08-05 | RMD | RESMED INC | Leong Justin | Officer | SELL | $217.07 | 48,000 | $10,419,552 | 18,741 |
| 2024-08-07 01:20 | 2024-08-02 | UFPT | UFP TECHNOLOGIES INC | LATAILLE RONALD J | Officer | SELL | $303.82 | 13,064 | $3,969,124 | 46,130 |
| 2024-08-06 23:43 | 2024-08-06 | CVRX | CVRx, Inc. | SLATTERY JOSEPH P | Director | BUY | $9.09 | 2,500 | $22,725 | 24,645 |
| 2024-08-06 23:52 | 2024-08-05 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.99 | 15,458 | $15,252 | 14,587,764 |
| 2024-08-07 00:38 | 2024-08-02 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $14.32 | 343 | $4,912 | 26,792 |
| 2024-08-05 23:25 | 2024-08-02 | NVCR | NovoCure Ltd | Cordova Ashley | Officer | SELL | $20.14 | 688 | $13,857 | 219,179 |
| 2024-08-06 00:35 | 2024-08-02 | IRTC | iRhythm Holdings, Inc. | Patterson Chad | Officer | SELL | $74.66 | 3,012 | $224,876 | 37,133 |
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.