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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-11 02:09 | 2026-02-09 | SGP | SpyGlass Pharma, Inc. | Nielsen Kirk G. | Director | BUY | $16.00 | 165,000 | $2,640,000 | 3,310,619 |
| 2026-02-11 00:40 | 2026-02-09 | MMM | 3M CO | Dickson Zoe L | Officer | OPT+S | $169.97 | 20,519 | $3,487,614 | 21,123 |
| 2026-02-10 21:33 | 2026-02-09 | RMD | RESMED INC | Farrell Michael J. | Director, Officer | OPT+S | $273.78 | 4,991 | $1,366,436 | 466,223 |
| 2026-02-06 19:05 | 2026-02-04 | RMD | RESMED INC | Rider Michael J | Officer | SELL | $260.00 | 50 | $13,000 | 9,691 |
| 2026-02-07 05:42 | 2026-02-05 | HTFL | Heartflow, Inc. | Cullivan Julie A | Director | SELL | $27.32 | 8,000 | $218,560 | 36,413 |
| 2026-02-07 00:58 | 2026-02-04 | HTFL | Heartflow, Inc. | Bain Capital Life Sciences Investors, LLC | 10% owner | SELL | $28.05 | 2,000,000 | $56,100,000 | 10,448,158 |
| 2026-02-07 02:57 | 2026-02-05 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $13.79 | 60,425 | $833,261 | 349,500 |
| 2026-02-07 02:21 | 2026-02-04 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $363.44 | 500,000 | $181,719,250 | 2,207,331 |
| 2026-02-06 19:07 | 2026-02-04 | RMD | RESMED INC | FARRELL PETER C | Director | SELL | $251.31 | 2,000 | $502,620 | 64,773 |
| 2026-02-05 03:00 | 2026-02-03 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $14.71 | 37,358 | $549,536 | 1,173,025 |
| 2026-02-05 02:11 | 2026-02-02 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $16.42 | 337 | $5,532 | 9,970 |
| 2026-02-04 00:09 | 2026-02-02 | SYK | STRYKER CORP | Pierce James Andrew | Officer | OPT+S | $368.87 | 475 | $175,215 | 70,563 |
| 2026-02-04 00:12 | 2026-02-02 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | OPT+S | $93.49 | 160,901 | $15,043,391 | 1,411,735 |
| 2026-02-03 23:06 | 2026-02-02 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $257.03 | 1,000 | $257,030 | 85,495 |
| 2026-02-03 01:01 | 2026-01-15 | NSPR | InspireMD, Inc. | Gleason Shane Thomas | Officer | SELL | $1.62 | 61,194 | $99,330 | 1,139,177 |
| 2026-01-28 17:46 | 2026-01-26 | BDX | BECTON DICKINSON & CO | Feld Michael | Officer | SELL | $202.73 | 75 | $15,205 | 16,431 |
| 2026-01-28 01:00 | 2026-01-26 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $100.65 | 5,000 | $503,255 | 2,262,500 |
| 2026-01-28 00:27 | 2026-01-26 | CLPT | ClearPoint Neuro, Inc. | BURNETT JOSEPH | Director, Officer | SELL | $15.57 | 2,943 | $45,823 | 214,116 |
| 2026-01-27 05:05 | 2026-01-22 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $127.68 | 10,498 | $1,340,379 | 92,366 |
| 2026-01-27 05:21 | 2026-01-22 | GKOS | GLAUKOS Corp | Stapley Marc | Director | OPT+S | $127.71 | 15,000 | $1,915,577 | 37,449 |
| 2026-01-24 04:42 | 2026-01-21 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $124.65 | 4,502 | $561,174 | 92,366 |
| 2026-01-22 00:09 | 2026-01-16 | OFIX | Orthofix Medical Inc. | Andrews Julie | Officer | SELL | $14.38 | 4,873 | $70,074 | 58,039 |
| 2026-01-22 00:56 | 2026-01-16 | SGHT | Sight Sciences, Inc. | Badawi David | Director, Officer | SELL | $6.62 | 4,836 | $32,014 | 1,912,273 |
| 2026-01-22 00:55 | 2026-01-16 | SGHT | Sight Sciences, Inc. | Rodberg James | Officer | SELL | $6.62 | 2,616 | $17,318 | 151,230 |
| 2026-01-22 00:54 | 2026-01-16 | SGHT | Sight Sciences, Inc. | Badawi Paul | Director, Officer, 10% owner | SELL | $6.62 | 22,362 | $148,036 | 6,025,840 |
| 2026-01-22 00:53 | 2026-01-16 | SGHT | Sight Sciences, Inc. | HAYDEN JEREMY B. | Officer | SELL | $6.62 | 6,308 | $41,759 | 267,611 |
| 2026-01-22 00:05 | 2026-01-20 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $101.85 | 5,000 | $509,225 | 2,267,500 |
| 2026-01-20 14:00 | 2026-01-15 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Webster Brian Daniel | Director, Officer | SELL | $22.80 | 15,000 | $342,024 | 394,786 |
| 2026-01-21 01:55 | 2026-01-15 | STSS | Sharps Technology Inc. | Saba Capital Management, L.P. | 10% owner | SELL | $2.32 | 37,182 | $86,370 | 1,511,988 |
| 2026-01-21 02:37 | 2026-01-08 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $115.00 | 275,000 | $31,625,000 | 153,775 |
| 2026-01-17 00:38 | 2024-10-18 | PETV | PetVivo Holdings, Inc. | A.L. Sarroff Fund, LLC | 10% owner | BUY | $0.50 | 154,840 | $77,993 | 7,740,579 |
| 2026-01-17 00:38 | 2024-04-05 | PETV | PetVivo Holdings, Inc. | A.L. Sarroff Fund, LLC | 10% owner | BUY | $0.68 | 718,358 | $485,323 | 6,610,930 |
| 2026-01-17 00:37 | 2023-12-15 | PETV | PetVivo Holdings, Inc. | A.L. Sarroff Fund, LLC | 10% owner | BUY | $0.90 | 111,112 | $100,001 | 1,859,363 |
| 2026-01-16 23:43 | 2026-01-15 | BDX | BECTON DICKINSON & CO | Garrison Michael David | Officer | OPT+S | $207.46 | 1,610 | $334,005 | 12,095 |
| 2026-01-15 20:48 | 2026-01-13 | STSS | Sharps Technology Inc. | Saba Capital Management, L.P. | 10% owner | SELL | $2.23 | 107,465 | $240,012 | 1,549,170 |
| 2026-01-14 01:46 | 2026-01-09 | OFIX | Orthofix Medical Inc. | Calafiore Massimo | Director, Officer | SELL | $15.52 | 19,397 | $300,956 | 217,237 |
| 2026-01-14 00:20 | 2026-01-12 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $97.45 | 5,000 | $487,231 | 2,272,500 |
| 2026-01-14 01:00 | 2026-01-09 | CLPT | ClearPoint Neuro, Inc. | BURNETT JOSEPH | Director, Officer | OPT+S | $16.12 | 20,000 | $322,400 | 11,565 |
| 2026-01-13 00:05 | 2026-01-09 | INSP | Inspire Medical Systems, Inc. | Rondoni John | Officer | SELL | $100.00 | 109 | $10,900 | 13,797 |
| 2026-01-13 01:40 | 2026-01-08 | GMED | GLOBUS MEDICAL INC | Kline Kyle | Officer | OPT+S | $101.10 | 3,594 | $363,353 | 0 |
| 2026-01-13 01:36 | 2026-01-08 | GMED | GLOBUS MEDICAL INC | Norwalk Leslie V | Director | SELL | $101.10 | 2,000 | $202,200 | 10,419 |
| 2026-01-13 02:07 | 2026-01-08 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $21.28 | 20,000 | $425,506 | 80,115 |
| 2026-01-09 15:33 | 2026-01-07 | RMD | RESMED INC | FARRELL PETER C | Director | SELL | $248.83 | 2,000 | $497,660 | 66,773 |
| 2026-01-08 20:57 | 2026-01-06 | MMSI | MERIT MEDICAL SYSTEMS INC | Peterson Neil W. | Officer | OPT+S | $90.00 | 5,000 | $450,000 | 28,369 |
| 2026-01-08 23:23 | 2026-01-07 | RMD | RESMED INC | Farrell Michael J. | Director, Officer | OPT+S | $248.46 | 4,991 | $1,240,065 | 466,223 |
| 2026-01-09 00:30 | 2026-01-06 | LYRA | Lyra Therapeutics, Inc. | Cavalier Jason | Officer | SELL | $3.36 | 769 | $2,587 | 518,547 |
| 2026-01-09 00:30 | 2026-01-06 | LYRA | Lyra Therapeutics, Inc. | Palasis Maria | Director, Officer | SELL | $3.36 | 1,702 | $5,726 | 1,096,733 |
| 2026-01-09 05:06 | 2026-01-06 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $312.64 | 186 | $58,151 | 8,230 |
| 2026-01-09 00:05 | 2025-11-25 | CVRX | CVRx, Inc. | JOHNSON & JOHNSON | 10% owner | SELL | $10.03 | 22,337 | $224,040 | 4,024,861 |
| 2026-01-08 00:16 | 2026-01-06 | BBNX | Beta Bionics, Inc. | Mensinger Mike | Officer | SELL | $30.10 | 2,200 | $66,221 | 80,752 |
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.