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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-18 23:34 | 2026-06-16 | GKOS | GLAUKOS Corp | Navratil Tomas | Officer | SELL | $130.68 | 1,537 | $200,855 | 88,833 |
| 2026-06-17 20:36 | 2026-06-15 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Webster Brian Daniel | Director, Officer | SELL | $20.81 | 15,000 | $312,143 | 395,467 |
| 2026-06-17 20:44 | 2026-06-16 | MDLN | Medline Inc. | Golwas Douglas P | Officer, 10% owner | OPT+S | $36.77 | 100,000 | $3,677,120 | 23,899 |
| 2026-06-17 20:32 | 2026-06-15 | DXCM | DEXCOM INC | FOLETTA MARK G | Director | SELL | $74.13 | 4,000 | $296,540 | 52,852 |
| 2026-06-17 20:32 | 2026-06-15 | DXCM | DEXCOM INC | Brown Michael Jon | Officer | SELL | $75.55 | 1,700 | $128,435 | 106,353 |
| 2026-06-17 20:18 | 2026-06-16 | WOK | WORK Medical Technology Group LTD | HRT FINANCIAL LP | 10% owner | SELL | $0.06 | 2,904,567 | $168,465 | 391,456 |
| 2026-06-17 20:18 | 2026-06-15 | WOK | WORK Medical Technology Group LTD | HRT FINANCIAL LP | 10% owner | BUY | $0.10 | 268,927 | $25,548 | 3,296,023 |
| 2026-06-16 20:35 | 2026-06-12 | SI | SHOULDER INNOVATIONS, INC. | Ahearn Matthew Fraser | Director, Officer | SELL | $18.71 | 20,000 | $374,254 | 269,176 |
| 2026-06-16 13:41 | 2026-06-12 | WOK | WORK Medical Technology Group LTD | HRT FINANCIAL LP | 10% owner | BUY | $0.08 | 48,108 | $3,849 | 3,027,096 |
| 2026-06-16 11:00 | 2026-06-15 | CTSO | Cytosorbents Corp | MARIANI PETER J | Officer | BUY | $0.44 | 100,000 | $44,000 | 638,113 |
| 2026-06-15 20:34 | 2026-06-11 | KRMD | KORU Medical Systems, Inc. | KALBERMATTEN ADAM R | Officer | BUY | $3.94 | 12,500 | $49,275 | 312,500 |
| 2026-06-15 22:24 | 2026-06-12 | CTSO | Cytosorbents Corp | Chan Phillip P. | Director, Officer | BUY | $0.40 | 261,469 | $104,901 | 1,744,432 |
| 2026-06-15 22:06 | 2026-06-12 | GUTS | FRACTYL HEALTH, INC. | Royan Ajay | Director | BUY | $0.85 | 23,000 | $19,596 | 40,901 |
| 2026-06-15 21:39 | 2026-06-11 | NXGL | NEXGEL, INC. | Levy Adam R. | Director, Officer | SELL | $0.61 | 3,000 | $1,841 | 333,692 |
| 2026-06-15 19:28 | 2025-12-31 | GIPL | Global Innovative Platforms Inc. | Brown Andrew Nicholas | Director, Officer, 10% owner | BUY | $0.06 | 500,000 | $30,500 | 1,081,055 |
| 2026-06-15 15:28 | 2026-06-11 | AORT | ARTIVION, INC. | GREEN ANDREW M | Officer | OPT+S | $20.70 | 44,001 | $910,737 | 60,259 |
| 2026-06-15 15:18 | 2026-06-12 | UFPT | UFP TECHNOLOGIES INC | FELDMANN CYNTHIA L | Director | OPT+S | $239.29 | 1,200 | $287,149 | 5,476 |
| 2026-06-12 20:05 | 2026-06-11 | NVNO | enVVeno Medical Corp | Duhay Francis | Director | SELL | $10.31 | 140 | $1,443 | 2,362 |
| 2026-06-12 19:58 | 2026-06-10 | WOK | WORK Medical Technology Group LTD | HRT FINANCIAL LP | 10% owner | BUY | $0.10 | 3,794,711 | $363,533 | 2,978,988 |
| 2026-06-12 22:55 | 2026-06-10 | HTFL | Heartflow, Inc. | Farquhar John C.M. | Director, Officer | SELL | $28.50 | 22,562 | $643,017 | 496,835 |
| 2026-06-12 21:54 | 2026-06-11 | ATEC | Alphatec Holdings, Inc. | MCGINNIS KAREN K | Director | SELL | $8.01 | 6,050 | $48,461 | 94,671 |
| 2026-06-12 13:26 | 2026-06-10 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Treace John T. | Director, Officer, 10% owner | BUY | $4.03 | 24,606 | $99,197 | 7,348,439 |
| 2026-06-11 20:52 | 2026-06-10 | TMCI | TREACE MEDICAL CONCEPTS, INC. | Treace John T. | Director, Officer, 10% owner | BUY | $4.03 | 52,317 | $210,968 | 7,376,150 |
| 2026-06-11 20:08 | 2026-06-09 | PETV | PetVivo Holdings, Inc. | A.L. Sarroff Fund, LLC | 10% owner | BUY | $0.00 | 187,500 | $0 | 10,439,729 |
| 2026-06-11 21:21 | 2026-06-10 | BDX | BECTON DICKINSON & CO | Garrison Michael David | Officer | SELL | $151.48 | 1,100 | $166,628 | 14,272 |
| 2026-06-12 01:17 | 2026-06-09 | CERS | CERUS CORP | BJERKHOLT ERIC | Director | SELL | $2.60 | 20,454 | $53,180 | 261,679 |
| 2026-06-11 23:10 | 2026-06-09 | MOBI | Mobia Medical, Inc. | Curnes Nelson Bunker | Officer | BUY | $12.79 | 5,000 | $63,969 | 366,997 |
| 2026-06-11 20:59 | 2026-06-10 | GUTS | FRACTYL HEALTH, INC. | Rajagopalan Harith | Director, Officer | BUY | $0.73 | 25,000 | $18,253 | 540,557 |
| 2026-06-11 21:00 | 2026-06-10 | GUTS | FRACTYL HEALTH, INC. | Sheffield Ian | Director | BUY | $0.73 | 35,000 | $25,529 | 35,000 |
| 2026-06-11 21:04 | 2026-06-10 | GUTS | FRACTYL HEALTH, INC. | BRADLEY WILLIAM | Director | BUY | $0.73 | 68,493 | $50,329 | 84,622 |
| 2026-06-11 20:43 | 2026-06-10 | SGHT | Sight Sciences, Inc. | Encrantz Staffan | Director, 10% owner | BUY | $4.88 | 14,100 | $68,794 | 1,434,283 |
| 2026-06-10 20:21 | 2026-06-08 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | SELL | $28.48 | 285 | $8,117 | 105,069 |
| 2026-06-11 01:17 | 2026-06-09 | RCEL | AVITA Medical, Inc. | Woody Joseph Fralin | Director | BUY | $4.00 | 5,200 | $20,800 | 107,961 |
| 2026-06-10 20:15 | 2026-06-08 | PRCT | PROCEPT BioRobotics Corp | Templin Barry L | Officer | SELL | $28.48 | 358 | $10,195 | 68,953 |
| 2026-06-10 20:18 | 2026-06-08 | PRCT | PROCEPT BioRobotics Corp | Waters Kevin | Officer | SELL | $28.48 | 357 | $10,167 | 151,201 |
| 2026-06-10 19:55 | 2026-06-09 | WOK | WORK Medical Technology Group LTD | HRT FINANCIAL LP | 10% owner | SELL | $0.11 | 3,463,022 | $363,617 | 0 |
| 2026-06-09 23:17 | 2026-06-04 | NXGL | NEXGEL, INC. | Levy Adam R. | Director, Officer | SELL | $0.57 | 6,000 | $3,422 | 336,692 |
| 2026-06-09 22:55 | 2026-06-08 | GUTS | FRACTYL HEALTH, INC. | Smith Weber Lara | Officer | BUY | $0.69 | 20,000 | $13,708 | 20,000 |
| 2026-06-09 20:58 | 2026-06-09 | RCEL | AVITA Medical, Inc. | Woody Joseph Fralin | Director | BUY | $4.19 | 10,000 | $41,900 | 102,761 |
| 2026-06-09 21:04 | 2026-06-05 | GMED | GLOBUS MEDICAL INC | Davidar David D | Director | OPT+S | $80.76 | 25,000 | $2,019,073 | 510,175 |
| 2026-06-09 20:30 | 2026-06-05 | MDLN | Medline Inc. | CORCORAN JESSI L | Officer | BUY | $34.15 | 5,000 | $170,750 | 5,000 |
| 2026-06-09 19:57 | 2026-06-08 | WOK | WORK Medical Technology Group LTD | HRT FINANCIAL LP | 10% owner | BUY | $0.11 | 2,261,118 | $239,679 | 2,647,299 |
| 2026-06-09 18:26 | 2026-06-08 | RMD | RESMED INC | Farrell Michael J. | Director, Officer | OPT+S | $193.96 | 4,991 | $968,064 | 466,256 |
| 2026-06-08 21:43 | 2026-06-05 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $15.25 | 3,575 | $54,505 | 16,057 |
| 2026-06-08 21:16 | 2026-06-04 | WOK | WORK Medical Technology Group LTD | HRT FINANCIAL LP | 10% owner | BUY | $0.10 | 1,424,537 | $148,864 | 386,181 |
| 2026-06-05 20:28 | 2026-06-04 | NVCR | NovoCure Ltd | Leonard Frank X | Officer | SELL | $17.93 | 34,273 | $614,635 | 459,520 |
| 2026-06-05 22:05 | 2026-06-04 | BBNX | Beta Bionics, Inc. | Jones Christy | Director | SELL | $14.00 | 2,811 | $39,354 | 27,400 |
| 2026-06-05 22:05 | 2026-06-04 | BBNX | Beta Bionics, Inc. | Hopman Mark | Officer | SELL | $12.31 | 275 | $3,385 | 130,612 |
| 2026-06-05 21:00 | 2026-06-03 | RCEL | AVITA Medical, Inc. | Woody Joseph Fralin | Director | BUY | $4.09 | 10,000 | $40,949 | 92,761 |
| 2026-06-05 20:17 | 2026-06-03 | DXCM | DEXCOM INC | Coleman Jon | Officer | SELL | $73.56 | 9,823 | $722,628 | 95,450 |
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.