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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-02-13 00:09 | 2024-02-09 | SYK | STRYKER CORP | Boehnlein Glenn S | Officer | SELL | $342.81 | 9,600 | $3,290,952 | 20,194 |
| 2024-02-13 03:08 | 2024-02-12 | EMBC | Embecta Corp. | Melcher David F | Director | BUY | $16.25 | 2,000 | $32,500 | 45,080 |
| 2024-02-13 02:41 | 2024-02-08 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $96.14 | 5,631 | $541,368 | 119,802 |
| 2024-02-10 01:09 | 2024-02-07 | PRCT | PROCEPT BioRobotics Corp | Waters Kevin | Officer | OPT+S | $50.09 | 29,581 | $1,481,579 | 33,523 |
| 2024-02-10 01:02 | 2024-02-07 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | OPT+S | $49.97 | 20,000 | $999,366 | 47,351 |
| 2024-02-10 02:33 | 2024-02-07 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | SELL | $95.74 | 583 | $55,817 | 54,035 |
| 2024-02-09 00:37 | 2024-02-06 | GUTS | FRACTYL HEALTH, INC. | Royan Ajay | Director, 10% owner | BUY | $15.00 | 333,333 | $4,999,995 | 1,251,900 |
| 2024-02-09 00:32 | 2024-02-06 | GUTS | FRACTYL HEALTH, INC. | Elia Marc | Director | BUY | $15.00 | 466,666 | $6,999,990 | 1,856,117 |
| 2024-02-09 00:35 | 2024-02-06 | GUTS | FRACTYL HEALTH, INC. | Mithril LP | 10% owner | BUY | $15.00 | 333,333 | $4,999,995 | 1,251,900 |
| 2024-02-08 23:40 | 2024-02-06 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.17 | 13,320 | $15,570 | 14,213,340 |
| 2024-02-07 22:05 | 2024-02-06 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director, Officer | BUY | $0.29 | 10,000 | $2,900 | 85,882 |
| 2024-02-08 01:33 | 2024-02-05 | SYK | STRYKER CORP | STRYKER RONDA E | Director, 10% owner | SELL | $341.97 | 293,442 | $100,349,388 | 3,662,832 |
| 2024-02-08 01:42 | 2024-02-06 | STIM | Neuronetics, Inc. | MACAN WILLIAM ANDREW | Officer | SELL | $3.39 | 5,385 | $18,255 | 433,357 |
| 2024-02-08 01:41 | 2024-02-06 | STIM | Neuronetics, Inc. | Furlong Stephen | Officer | SELL | $3.39 | 5,813 | $19,706 | 523,743 |
| 2024-02-07 03:16 | 2024-02-02 | NPCE | NeuroPace Inc | Morrell Martha | Officer | SELL | $15.09 | 17,589 | $265,400 | 77,762 |
| 2024-02-07 01:24 | 2024-02-02 | SYK | STRYKER CORP | Golston Allan C. | Director | OPT+S | $341.00 | 3,273 | $1,116,093 | 14,242 |
| 2024-02-07 04:39 | 2024-02-06 | GUTS | FRACTYL HEALTH, INC. | CVF, LLC | 10% owner | BUY | $15.00 | 333,333 | $4,999,995 | 4,673,870 |
| 2024-02-06 04:45 | 2024-01-31 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director, Officer | BUY | $0.36 | 10,200 | $3,647 | 75,882 |
| 2024-02-06 02:48 | 2024-02-02 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $16.47 | 36,620 | $603,131 | 639,918 |
| 2024-02-06 02:46 | 2024-02-02 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $16.51 | 39,056 | $644,764 | 1,266,069 |
| 2024-02-06 02:44 | 2024-02-02 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | SELL | $16.47 | 25,210 | $415,209 | 518,457 |
| 2024-02-05 19:15 | 2024-02-01 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.17 | 6,418 | $7,533 | 14,200,020 |
| 2024-02-06 03:53 | 2024-02-02 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | SELL | $20.30 | 335 | $6,799 | 44,383 |
| 2024-02-02 05:47 | 2024-01-30 | NPCE | NeuroPace Inc | Morrell Martha | Officer | SELL | $15.09 | 13,848 | $208,965 | 95,351 |
| 2024-02-01 22:01 | 2024-01-31 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.19 | 6,950 | $8,266 | 14,193,602 |
| 2024-02-01 01:35 | 2024-01-29 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $94.12 | 9,476 | $891,881 | 119,802 |
| 2024-01-27 02:04 | 2024-01-24 | NPCE | NeuroPace Inc | Morrell Martha | Officer | SELL | $15.03 | 828 | $12,441 | 109,199 |
| 2024-01-27 01:00 | 2024-01-25 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.22 | 2,497 | $3,048 | 14,186,652 |
| 2024-01-26 01:23 | 2024-01-23 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.22 | 5,539 | $6,776 | 14,184,155 |
| 2024-01-24 18:49 | 2024-01-22 | MMSI | MERIT MEDICAL SYSTEMS INC | Millner F. Ann | Director | OPT+S | $80.00 | 20,000 | $1,600,000 | 29,960 |
| 2024-01-25 00:32 | 2023-10-12 | INSP | Inspire Medical Systems, Inc. | Sparks Charisse Y | Officer | BUY | $153.50 | 100 | $15,350 | 998 |
| 2024-01-25 00:15 | 2024-01-22 | VTAK | Catheter Precision, Inc. | JENKINS DAVID A | Director, Officer | BUY | $0.51 | 19,056 | $9,787 | 329,856 |
| 2024-01-25 02:04 | 2024-01-22 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $94.01 | 524 | $49,261 | 119,802 |
| 2024-01-25 01:41 | 2024-01-22 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $13.13 | 1,184 | $15,546 | 244,233 |
| 2024-01-23 19:52 | 2024-01-19 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.22 | 5,546 | $6,766 | 14,178,616 |
| 2024-01-23 00:15 | 2024-01-18 | VTAK | Catheter Precision, Inc. | JENKINS DAVID A | Director, Officer | BUY | $0.42 | 16,940 | $7,086 | 310,800 |
| 2024-01-23 01:30 | 2024-01-18 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | SELL | $90.54 | 583 | $52,784 | 54,618 |
| 2024-01-23 02:05 | 2024-01-18 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $12.77 | 10,000 | $127,700 | 1,141,344 |
| 2024-01-20 00:49 | 2024-01-17 | SGHT | Sight Sciences, Inc. | Badawi Paul | Director, Officer | SELL | $5.16 | 15,917 | $82,195 | 5,319,539 |
| 2024-01-20 00:43 | 2024-01-17 | SGHT | Sight Sciences, Inc. | Badawi David | Director, Officer | SELL | $5.16 | 3,414 | $17,630 | 1,642,157 |
| 2024-01-20 00:39 | 2024-01-17 | SGHT | Sight Sciences, Inc. | HAYDEN JEREMY B. | Officer | SELL | $5.16 | 4,538 | $23,434 | 10,318 |
| 2024-01-20 00:28 | 2024-01-17 | SGHT | Sight Sciences, Inc. | Park Sam Boong | Officer | SELL | $5.16 | 5,443 | $28,108 | 100,735 |
| 2024-01-19 19:24 | 2024-01-17 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.20 | 4,495 | $5,381 | 14,173,070 |
| 2024-01-19 00:15 | 2024-01-16 | VTAK | Catheter Precision, Inc. | JENKINS DAVID A | Director, Officer | BUY | $0.39 | 16,263 | $6,323 | 293,860 |
| 2024-01-19 01:30 | 2024-01-16 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $89.17 | 4,890 | $436,041 | 119,802 |
| 2024-01-18 00:30 | 2024-01-16 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $15.00 | 2,500 | $37,500 | 555,280 |
| 2024-01-17 18:19 | 2024-01-12 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.19 | 8,743 | $10,370 | 14,168,575 |
| 2024-01-18 02:56 | 2024-01-16 | DXCM | DEXCOM INC | Stern Sadie | Officer | SELL | $123.63 | 2,902 | $358,788 | 79,051 |
| 2024-01-18 02:54 | 2024-01-16 | DXCM | DEXCOM INC | Sylvain Jereme M | Officer | SELL | $123.63 | 2,734 | $338,018 | 74,505 |
| 2024-01-18 02:49 | 2024-01-16 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $123.63 | 37,325 | $4,614,669 | 362,841 |
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.