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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-28 00:10 | 2025-06-26 | OBIO | Orchestra BioMed Holdings, Inc. | Fain Eric S | Director | SELL | $3.05 | 2,683 | $8,183 | 50,949 |
| 2025-06-28 03:02 | 2025-06-25 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $253.40 | 15,890 | $4,026,588 | 122,441 |
| 2025-06-24 23:16 | 2025-06-23 | IRTC | iRhythm Holdings, Inc. | Wilson Daniel G. | Officer | SELL | $150.00 | 3,000 | $450,000 | 40,307 |
| 2025-06-24 23:15 | 2025-06-23 | IRTC | iRhythm Holdings, Inc. | Patterson Chad | Officer | SELL | $150.00 | 936 | $140,400 | 48,929 |
| 2025-06-23 23:15 | 2025-06-18 | OFIX | Orthofix Medical Inc. | McPherron Aviva | Officer | SELL | $10.51 | 3,728 | $39,181 | 46,322 |
| 2025-06-23 16:00 | 2025-06-18 | SINT | Sintx Technologies, Inc. | Anderson Mark Lewis | Director | BUY | $3.30 | 10,000 | $33,000 | 15,000 |
| 2025-06-18 18:48 | 2025-06-17 | AORT | Artivion Inc. | Stanton Marshall S. | Officer | SELL | $29.50 | 15,000 | $442,500 | 64,200 |
| 2025-06-19 02:46 | 2025-06-16 | PEN | Penumbra Inc | O'Rourke Bridget | Director | SELL | $259.78 | 50 | $12,989 | 5,373 |
| 2025-06-18 19:14 | 2025-06-17 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.66 | 21,687 | $14,274 | 15,440,673 |
| 2025-06-18 23:31 | 2025-06-16 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $83.13 | 2,750 | $228,605 | 56,621 |
| 2025-06-18 23:31 | 2025-06-16 | DXCM | DEXCOM INC | Brown Michael Jon | Officer | SELL | $82.80 | 500 | $41,400 | 95,102 |
| 2025-06-18 00:57 | 2025-06-13 | MMSI | MERIT MEDICAL SYSTEMS INC | Parra Raul Jr. | Officer | OPT+S | $93.75 | 15,181 | $1,423,219 | 24,201 |
| 2025-06-18 01:00 | 2025-06-13 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | SELL | $11.07 | 22,727 | $251,588 | 748,918 |
| 2025-06-18 00:33 | 2025-06-13 | DXCM | DEXCOM INC | AUGUSTINOS NICHOLAS | Director | SELL | $82.34 | 6,290 | $517,906 | 33,411 |
| 2025-06-17 03:22 | 2025-06-13 | AORT | Artivion Inc. | Stanton Marshall S. | Officer | SELL | $28.44 | 26,132 | $743,131 | 79,200 |
| 2025-06-17 03:00 | 2025-06-13 | NXGL | NEXGEL, INC. | Henry Scott Robert | Director | SELL | $2.57 | 3,000 | $7,704 | 129,053 |
| 2025-06-17 03:23 | 2025-06-12 | PLSE | PULSE BIOSCIENCES, INC. | UECKER DARRIN | Director, Officer | SELL | $16.19 | 30,000 | $485,700 | 122,872 |
| 2025-06-16 19:25 | 2025-06-13 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.66 | 19,769 | $13,014 | 15,418,986 |
| 2025-06-16 23:18 | 2025-06-13 | PODD | INSULET CORP | Singh Prem | Officer | OPT+S | $300.05 | 2,327 | $698,216 | 4,143 |
| 2025-06-16 23:16 | 2025-06-13 | PODD | INSULET CORP | Manea Dan | Officer | SELL | $300.05 | 1,300 | $390,065 | 9,090 |
| 2025-06-16 23:10 | 2025-06-13 | ARAY | Accuray Incorporated | WHITTERS JOSEPH E | Director | BUY | $1.25 | 50,000 | $62,335 | 611,053 |
| 2025-06-13 23:10 | 2025-06-11 | OFIX | Orthofix Medical Inc. | REINHARDT MAX | Officer | SELL | $11.64 | 1,643 | $19,125 | 27,481 |
| 2025-06-14 02:33 | 2025-06-11 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $253.67 | 15,910 | $4,035,890 | 110,355 |
| 2025-06-14 00:30 | 2025-06-11 | ATEC | Alphatec Holdings, Inc. | MCGINNIS KAREN K | Director | SELL | $12.11 | 3,963 | $47,992 | 68,709 |
| 2025-06-14 00:38 | 2025-06-12 | LUNG | Pulmonx Corp | Ferrari Richard | Director | SELL | $3.16 | 8,000 | $25,280 | 87,024 |
| 2025-06-13 01:11 | 2025-06-10 | MMSI | MERIT MEDICAL SYSTEMS INC | Lampropoulos Fred P. | Director, Officer | SELL | $95.61 | 400 | $38,244 | 1,045,628 |
| 2025-06-13 02:28 | 2025-06-10 | PRCT | PROCEPT BioRobotics Corp | Desai Antal Rohit | Director | SELL | $62.93 | 75,000 | $4,719,495 | 14,363 |
| 2025-06-13 02:26 | 2025-06-10 | CLPT | ClearPoint Neuro, Inc. | Richards Timothy T. | Director | SELL | $13.28 | 10,000 | $132,800 | 77,381 |
| 2025-06-12 18:18 | 2025-06-11 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.67 | 8,758 | $5,862 | 15,399,217 |
| 2025-06-12 03:00 | 2025-06-09 | NXGL | NEXGEL, INC. | Levy Adam R. | Director, Officer | SELL | $2.36 | 4,000 | $9,439 | 362,284 |
| 2025-06-11 23:21 | 2025-06-10 | IRTC | iRhythm Holdings, Inc. | Patterson Chad | Officer | SELL | $150.00 | 363 | $54,450 | 49,865 |
| 2025-06-12 04:50 | 2025-06-09 | CLPT | ClearPoint Neuro, Inc. | BURNETT JOSEPH | Director, Officer | SELL | $13.29 | 21,247 | $282,373 | 243,522 |
| 2025-06-11 01:35 | 2025-06-09 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $251.21 | 8,009 | $2,011,910 | 455,503 |
| 2025-06-10 23:17 | 2025-06-09 | PODD | INSULET CORP | BORIO LUCIANA | Director | SELL | $305.73 | 481 | $147,056 | 3,087 |
| 2025-06-09 21:52 | 2025-06-05 | MMSI | MERIT MEDICAL SYSTEMS INC | Lampropoulos Fred P. | Director, Officer | SELL | $95.19 | 10,000 | $951,900 | 1,046,028 |
| 2025-06-10 02:50 | 2025-06-05 | SNWV | SANUWAVE Health, Inc. | Stegagno Peter | Officer | OPT+S | $27.71 | 1,862 | $51,596 | 2,032 |
| 2025-06-06 23:02 | 2025-06-06 | PRCT | PROCEPT BioRobotics Corp | Shiblaq Hisham | Officer | OPT+S | $64.13 | 20,000 | $1,282,638 | 63,133 |
| 2025-06-07 04:10 | 2025-06-04 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $4.22 | 90,525 | $381,961 | 1,377,964 |
| 2025-06-07 03:00 | 2025-06-04 | NXGL | NEXGEL, INC. | Levy Adam R. | Director, Officer | SELL | $2.31 | 2,000 | $4,613 | 366,284 |
| 2025-06-07 01:30 | 2025-06-04 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $12.34 | 200,000 | $2,468,280 | 1,450,018 |
| 2025-06-06 22:22 | 2025-06-04 | RMD | RESMED INC | FARRELL PETER C | Director | SELL | $247.32 | 2,000 | $494,640 | 69,218 |
| 2025-06-07 02:48 | 2025-06-05 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $19.05 | 3,377 | $64,335 | 17,354 |
| 2025-06-06 03:05 | 2025-06-03 | PRCT | PROCEPT BioRobotics Corp | Desai Antal Rohit | Director | SELL | $62.16 | 75,000 | $4,661,858 | 89,363 |
| 2025-06-05 23:08 | 2025-06-04 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Christianson Mark | Officer | SELL | $0.58 | 10,000 | $5,804 | 261,491 |
| 2025-06-06 00:11 | 2025-06-04 | OFIX | Orthofix Medical Inc. | Bazaar Alan Lee | Director | BUY | $10.92 | 2,250 | $24,570 | 30,983 |
| 2025-06-05 23:17 | 2025-06-03 | CLPT | ClearPoint Neuro, Inc. | FALLON LYNNETTE C | Director | SELL | $12.57 | 10,200 | $128,226 | 40,901 |
| 2025-06-05 20:38 | 2025-06-04 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.66 | 8,000 | $5,280 | 15,390,459 |
| 2025-06-06 03:39 | 2025-06-05 | LUNG | Pulmonx Corp | Florin Daniel P | Director | BUY | $3.06 | 23,321 | $71,362 | 117,231 |
| 2025-06-05 02:30 | 2025-06-02 | BBNX | Beta Bionics, Inc. | Hopman Mark | Officer | SELL | $17.89 | 868 | $15,529 | 34,132 |
| 2025-06-05 02:30 | 2025-06-02 | BBNX | Beta Bionics, Inc. | Russell Steven Jon | Officer | SELL | $17.89 | 1,039 | $18,588 | 72,032 |
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.