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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-26 02:02 | 2025-11-21 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $20.01 | 1,300 | $26,016 | 203,773 |
| 2025-11-26 03:00 | 2025-11-24 | ATEC | Alphatec Holdings, Inc. | Squadron Capital LLC | 10% owner | SELL | $20.62 | 250,000 | $5,155,000 | 10,895,045 |
| 2025-11-26 03:00 | 2025-11-24 | ATEC | Alphatec Holdings, Inc. | Pelizzon David R | Director, 10% owner | SELL | $20.62 | 250,000 | $5,155,000 | 10,895,045 |
| 2025-11-25 17:01 | 2025-11-21 | ATRC | AtriCure, Inc. | Yuen Maggie | Director | SELL | $35.72 | 3,000 | $107,160 | 11,371 |
| 2025-11-26 03:59 | 2025-11-21 | PEN | Penumbra Inc | Bose Arani | Director | SELL | $290.56 | 7,500 | $2,179,213 | 282,761 |
| 2025-11-25 20:54 | 2025-11-21 | CVRX | CVRx, Inc. | JOHNSON & JOHNSON | 10% owner | SELL | $10.05 | 2,700 | $27,132 | 4,047,198 |
| 2025-11-25 02:00 | 2025-11-21 | MMSI | MERIT MEDICAL SYSTEMS INC | Lampropoulos Fred P. | Director, Officer | SELL | $87.31 | 25,000 | $2,182,750 | 1,029,955 |
| 2025-11-25 01:23 | 2025-11-21 | AORT | Artivion Inc. | Stanton Marshall S. | Officer | OPT+S | $45.04 | 47,376 | $2,133,919 | 44,753 |
| 2025-11-24 17:35 | 2025-11-20 | AORT | Artivion Inc. | Stanton Marshall S. | Officer | OPT+S | $44.18 | 15,276 | $674,825 | 44,753 |
| 2025-11-25 04:40 | 2025-05-08 | INSP | Inspire Medical Systems, Inc. | Curet Myriam | Director | SELL | $102.59 | 6 | $616 | 3,365 |
| 2025-11-25 04:40 | 2025-03-20 | INSP | Inspire Medical Systems, Inc. | Curet Myriam | Director | BUY | $160.72 | 5 | $804 | 3,371 |
| 2025-11-25 01:00 | 2025-11-24 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $90.36 | 5,000 | $451,815 | 2,307,500 |
| 2025-11-21 18:47 | 2025-11-20 | MMSI | MERIT MEDICAL SYSTEMS INC | Lampropoulos Fred P. | Director, Officer | SELL | $85.13 | 20,000 | $1,702,650 | 1,054,955 |
| 2025-11-21 22:28 | 2025-11-21 | SRTS | Sensus Healthcare, Inc. | Sachetta Eric | Director | BUY | $3.93 | 7,000 | $27,510 | 140,113 |
| 2025-11-22 04:02 | 2025-11-20 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | OPT+S | $19.80 | 25,000 | $495,000 | 672,207 |
| 2025-11-22 04:03 | 2025-11-20 | ATEC | Alphatec Holdings, Inc. | Marshall Tyson Eliot | Officer | SELL | $19.51 | 70,000 | $1,365,700 | 368,331 |
| 2025-11-22 00:05 | 2025-11-20 | IRMD | IRADIMED CORP | HAWKINS JAMES B | Director | SELL | $88.24 | 3,000 | $264,716 | 30,545 |
| 2025-11-21 00:37 | 2025-11-18 | MMSI | MERIT MEDICAL SYSTEMS INC | Lampropoulos Fred P. | Director, Officer | SELL | $84.83 | 5,000 | $424,130 | 1,074,955 |
| 2025-11-21 00:22 | 2025-11-20 | SYK | STRYKER CORP | Wells Preston Wendell | Officer | SELL | $365.88 | 165 | $60,370 | 6,694 |
| 2025-11-20 22:03 | 2025-11-13 | SRTS | Sensus Healthcare, Inc. | Sachetta Eric | Director | BUY | $4.50 | 2,500 | $11,250 | 133,113 |
| 2025-11-21 03:34 | 2025-11-20 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.06 | 100,000 | $6,220 | 10,635,090 |
| 2025-11-21 03:56 | 2025-11-18 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | SELL | $90.00 | 19,340 | $1,740,600 | 92,366 |
| 2025-11-19 21:49 | 2025-11-18 | AORT | Artivion Inc. | Hoff Elizabeth A | Director | SELL | $45.10 | 4,200 | $189,412 | 27,189 |
| 2025-11-19 17:15 | 2025-11-18 | SRTS | Sensus Healthcare, Inc. | Sardano Michael | Director, Officer | BUY | $3.80 | 1,000 | $3,800 | 118,839 |
| 2025-11-20 03:03 | 2025-11-17 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $17.43 | 3,460 | $60,297 | 205,073 |
| 2025-11-20 03:04 | 2025-11-17 | SIBN | SI-BONE, Inc. | PISETSKY MICHAEL A. | Officer | SELL | $17.41 | 3,328 | $57,933 | 251,896 |
| 2025-11-19 20:05 | 2025-11-18 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $85.59 | 5,000 | $427,958 | 2,312,500 |
| 2025-11-19 17:34 | 2025-11-18 | SRTS | Sensus Healthcare, Inc. | Sardano Joseph C | Director, Officer | BUY | $4.03 | 25,000 | $100,750 | 1,200,293 |
| 2025-11-20 03:02 | 2025-11-17 | SIBN | SI-BONE, Inc. | FRANCIS LAURA | Director, Officer | SELL | $17.51 | 16,752 | $293,384 | 351,319 |
| 2025-11-20 03:05 | 2025-11-17 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $17.44 | 3,833 | $66,832 | 268,144 |
| 2025-11-20 01:18 | 2025-11-19 | ARAY | Accuray Incorporated | La Neve Stephen R. | Director, Officer | BUY | $0.97 | 20,000 | $19,410 | 20,000 |
| 2025-11-18 21:03 | 2025-11-14 | AORT | Artivion Inc. | Davis John E | Officer | OPT+S | $44.92 | 12,787 | $574,392 | 198,842 |
| 2025-11-19 04:42 | 2025-11-14 | TNON | Tenon Medical, Inc. | FOSTER STEVEN M | Director, Officer | BUY | $0.00 | 19,455 | $0 | 22,878 |
| 2025-11-19 04:01 | 2025-11-14 | TNON | Tenon Medical, Inc. | Geist Wyatt D. | Officer | BUY | $0.00 | 19,455 | $0 | 157,569 |
| 2025-11-19 04:01 | 2025-11-14 | TNON | Tenon Medical, Inc. | Grawey Nathaniel A. | Officer | BUY | $0.00 | 101,167 | $0 | 239,281 |
| 2025-11-18 21:11 | 2025-11-14 | AORT | Artivion Inc. | Holloway Jean F | Officer | OPT+S | $45.09 | 12,787 | $576,502 | 163,408 |
| 2025-11-19 01:24 | 2025-11-17 | SGHT | Sight Sciences, Inc. | Taylor Brenton | Officer | SELL | $7.06 | 14,418 | $101,791 | 170,831 |
| 2025-11-19 00:31 | 2025-11-11 | SRTS | Sensus Healthcare, Inc. | Sardano Michael | Director, Officer | BUY | $4.27 | 2,000 | $8,546 | 1,000 |
| 2025-11-18 20:57 | 2025-11-17 | AORT | Artivion Inc. | Horton Amy | Officer | SELL | $45.73 | 6,000 | $274,380 | 135,380 |
| 2025-11-19 00:35 | 2025-11-18 | SSKN | STRATA Skin Sciences, Inc. | Rubinstein Samuel | Director | BUY | $1.41 | 5,000 | $7,029 | 8,766 |
| 2025-11-19 00:35 | 2025-11-17 | SSKN | STRATA Skin Sciences, Inc. | Rubinstein Samuel | Director | SELL | $1.33 | 14,094 | $18,804 | 3,766 |
| 2025-11-18 00:21 | 2025-11-14 | SYK | STRYKER CORP | Berry William E Jr | Officer | OPT+S | $365.49 | 1,953 | $713,802 | 2,833 |
| 2025-11-18 00:26 | 2025-11-17 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | 10% owner | BUY | $1.11 | 3,604,000 | $4,000,440 | 7,714,709 |
| 2025-11-18 01:00 | 2025-11-14 | OBIO | Orchestra BioMed Holdings, Inc. | Hochman David P | Director, Officer | BUY | $4.07 | 5,000 | $20,350 | 612,822 |
| 2025-11-17 19:29 | 2025-11-14 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.77 | 5,731 | $4,424 | 15,831,222 |
| 2025-11-18 01:52 | 2025-11-14 | DXCM | DEXCOM INC | Collins Richard Alexander | Director | SELL | $59.05 | 2,906 | $171,599 | 35,088 |
| 2025-11-15 01:30 | 2025-11-13 | MMM | 3M CO | Dickson Zoe L | Officer | OPT+S | $169.82 | 13,629 | $2,314,538 | 6,162 |
| 2025-11-15 01:22 | 2025-11-13 | MMM | 3M CO | Dickson Zoe L | Officer | OPT+S | $169.78 | 13,826 | $2,347,371 | 6,162 |
| 2025-11-14 20:07 | 2025-11-13 | AORT | Artivion Inc. | Stanton Marshall S. | Officer | SELL | $45.86 | 4,993 | $228,969 | 56,641 |
| 2025-11-14 20:10 | 2025-11-13 | AORT | Artivion Inc. | Davis John E | Officer | SELL | $45.86 | 6,563 | $300,966 | 198,842 |
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.