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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-08-03 01:46 | 2023-08-02 | IRTC | iRhythm Holdings, Inc. | Patterson Chad | Officer | SELL | $100.49 | 1,896 | $190,529 | 30,200 |
| 2023-08-03 01:29 | 2023-07-31 | CVRX | CVRx, Inc. | VERRASTRO PAUL | Officer | OPT+S | $17.49 | 1,122 | $19,629 | 2,628 |
| 2023-08-02 01:26 | 2023-07-31 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | OPT+S | $290.47 | 529 | $153,659 | 8,852 |
| 2023-07-31 23:05 | 2023-07-27 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | OPT+S | $40.00 | 7,903 | $316,129 | 46,933 |
| 2023-07-28 15:39 | 2023-07-26 | ATRC | AtriCure, Inc. | Dahlquist Karl S. | Officer | SELL | $57.09 | 3,417 | $195,077 | 32,037 |
| 2023-07-26 23:15 | 2023-07-24 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | OPT+S | $304.99 | 529 | $161,340 | 8,381 |
| 2023-07-27 03:05 | 2023-07-24 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $45.31 | 10,000 | $453,074 | 382,950 |
| 2023-07-26 02:50 | 2023-07-21 | STIM | Neuronetics, Inc. | Sullivan Keith J | Director, Officer | SELL | $2.04 | 6,551 | $13,364 | 1,177,658 |
| 2023-07-25 01:30 | 2023-07-20 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $12.68 | 15,000 | $190,200 | 1,174,547 |
| 2023-07-25 00:18 | 2023-07-24 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $130.58 | 412 | $53,799 | 126,419 |
| 2023-07-22 01:15 | 2023-07-19 | STIM | Neuronetics, Inc. | Sullivan Keith J | Director, Officer | SELL | $2.07 | 12,989 | $26,822 | 1,184,209 |
| 2023-07-21 23:23 | 2023-07-19 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $80.01 | 200 | $16,002 | 673,963 |
| 2023-07-20 23:17 | 2023-07-18 | HAE | HAEMONETICS CORP | Llorens Josep | Officer | OPT+S | $90.00 | 4,928 | $443,520 | 18,463 |
| 2023-07-19 19:13 | 2023-07-17 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $221.27 | 5,675 | $1,255,686 | 436,930 |
| 2023-07-19 23:50 | 2023-07-17 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | OPT+S | $326.84 | 529 | $172,898 | 7,910 |
| 2023-07-19 00:44 | 2023-07-17 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | OPT+S | $52.85 | 11,671 | $616,774 | 67,584 |
| 2023-07-19 00:02 | 2023-07-17 | RMD | RESMED INC | Douglas Robert Andrew | Officer | SELL | $222.22 | 1,500 | $333,330 | 252,026 |
| 2023-07-18 23:15 | 2023-07-17 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $45.70 | 10,000 | $456,983 | 392,950 |
| 2023-07-19 04:59 | 2023-07-14 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $78.34 | 42,099 | $3,298,036 | 120,484 |
| 2023-07-19 03:42 | 2023-07-14 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $77.95 | 30,000 | $2,338,428 | 673,963 |
| 2023-07-17 23:54 | 2023-07-14 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $136.00 | 5,031 | $684,216 | 126,831 |
| 2023-07-14 19:26 | 2023-07-13 | RMD | RESMED INC | Ghoshal Kaushik | Officer | SELL | $220.00 | 500 | $110,000 | 11,787 |
| 2023-07-15 00:36 | 2023-07-12 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | OPT+S | $180.02 | 30,000 | $5,400,720 | 23,677 |
| 2023-07-14 23:21 | 2023-07-12 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $73.09 | 2,700 | $197,343 | 120,484 |
| 2023-07-13 23:15 | 2023-07-11 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $46.35 | 10,000 | $463,480 | 402,950 |
| 2023-07-14 04:08 | 2023-07-11 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $322.98 | 9,666 | $3,121,956 | 0 |
| 2023-07-13 01:00 | 2023-07-10 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | OPT+S | $310.42 | 529 | $164,212 | 7,439 |
| 2023-07-13 03:35 | 2023-07-11 | STIM | Neuronetics, Inc. | MACAN WILLIAM ANDREW | Officer | SELL | $2.13 | 2,645 | $5,634 | 385,202 |
| 2023-07-12 02:59 | 2023-07-07 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $70.86 | 13,573 | $961,790 | 673,963 |
| 2023-07-11 00:40 | 2023-07-10 | DXCM | DEXCOM INC | Stern Sadie | Officer | SELL | $128.05 | 392 | $50,196 | 82,074 |
| 2023-07-11 00:39 | 2023-07-10 | DXCM | DEXCOM INC | Regan Barry J. | Officer | SELL | $128.05 | 1,989 | $254,691 | 66,269 |
| 2023-07-07 23:15 | 2023-07-05 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $45.86 | 10,000 | $458,613 | 412,950 |
| 2023-07-07 00:26 | 2023-07-03 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | OPT+S | $322.09 | 529 | $170,386 | 6,968 |
| 2023-07-07 03:23 | 2023-07-03 | PEN | Penumbra Inc | Sarna Surbhi | Director | SELL | $341.45 | 27 | $9,219 | 2,550 |
| 2023-07-07 03:22 | 2023-07-03 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $340.18 | 900 | $306,162 | 65,437 |
| 2023-07-07 00:01 | 2023-07-03 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $69.59 | 31,427 | $2,187,030 | 673,963 |
| 2023-07-06 23:11 | 2023-07-03 | PODD | INSULET CORP | McMillan Wayde D. | Officer | SELL | $282.94 | 1,388 | $392,721 | 21,477 |
| 2023-07-05 21:13 | 2023-07-03 | RMD | RESMED INC | Rider Michael J | Officer | SELL | $217.21 | 25 | $5,430 | 5,211 |
| 2023-07-05 23:05 | 2023-06-30 | XAIR | Beyond Air, Inc. | Gaul Michael A. | Officer | BUY | $4.51 | 5,000 | $22,550 | 78,150 |
| 2023-07-06 01:13 | 2023-07-03 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $26.70 | 1,244 | $33,219 | 153,448 |
| 2023-07-06 01:11 | 2023-07-03 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $26.68 | 1,712 | $45,684 | 219,490 |
| 2023-07-06 00:11 | 2023-07-03 | BVS | Bioventus Inc. | CHURCH KATRINA J | Officer | SELL | $2.83 | 394 | $1,115 | 11,828 |
| 2023-07-04 02:23 | 2023-07-03 | IRTC | iRhythm Holdings, Inc. | Wilson Daniel G. | Officer | SELL | $103.48 | 1,490 | $154,185 | 33,847 |
| 2023-07-04 02:19 | 2023-07-03 | IRTC | iRhythm Holdings, Inc. | Turakhia Minang | Officer | SELL | $103.48 | 988 | $102,238 | 19,719 |
| 2023-07-04 00:00 | 2023-07-03 | ARAY | Accuray Incorporated | Winter Suzanne C | Officer | SELL | $3.82 | 17,085 | $65,265 | 1,492,073 |
| 2023-07-01 01:01 | 2023-06-28 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $70.19 | 26,810 | $1,881,794 | 673,963 |
| 2023-06-29 23:42 | 2023-06-26 | APYX | Apyx Medical Corporation | Hornsby Todd | Officer | OPT+S | $7.56 | 15,000 | $113,400 | 0 |
| 2023-06-28 21:01 | 2023-06-26 | APYX | Apyx Medical Corporation | Hornsby Todd | Officer | OPT+S | $7.56 | 15,000 | $113,400 | 40 |
| 2023-06-29 03:47 | 2023-06-27 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $18.00 | 107,029 | $1,926,522 | 1,120,427 |
| 2023-06-29 01:21 | 2023-06-26 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | OPT+S | $315.87 | 529 | $167,095 | 6,497 |
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.