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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-08-06 00:35 | 2024-05-31 | IRTC | iRhythm Holdings, Inc. | Patterson Chad | Officer | BUY | $74.98 | 280 | $20,994 | 40,145 |
| 2024-08-06 00:35 | 2024-08-02 | IRTC | iRhythm Holdings, Inc. | Smith Mervin | Officer | SELL | $74.66 | 688 | $51,366 | 10,360 |
| 2024-08-05 21:49 | 2024-08-02 | ATEC | Alphatec Holdings, Inc. | Demski David M | Director | BUY | $6.56 | 40,000 | $262,400 | 238,441 |
| 2024-08-05 21:48 | 2024-08-02 | ATEC | Alphatec Holdings, Inc. | Valentine Keith | Director | BUY | $6.55 | 39,000 | $255,450 | 82,140 |
| 2024-08-05 23:56 | 2024-08-05 | CVRX | CVRx, Inc. | Hykes Kevin | Director, Officer | BUY | $8.36 | 30,000 | $250,767 | 30,000 |
| 2024-08-05 17:49 | 2024-08-01 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.12 | 16,836 | $18,774 | 14,572,306 |
| 2024-08-02 23:17 | 2024-08-02 | SYK | STRYKER CORP | Boehnlein Glenn S | Officer | SELL | $333.00 | 20,000 | $6,660,000 | 2,852 |
| 2024-08-02 16:00 | 2024-08-01 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.09 | 50,000 | $4,360 | 10,235,090 |
| 2024-08-02 00:13 | 2024-08-01 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | OPT+S | $74.12 | 6,983 | $517,580 | 40,188 |
| 2024-08-02 02:23 | 2024-07-31 | DXCM | DEXCOM INC | Brown Michael Jon | Officer | SELL | $69.55 | 652 | $45,347 | 66,249 |
| 2024-07-30 21:56 | 2024-07-29 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.13 | 4,465 | $5,045 | 14,555,470 |
| 2024-07-29 20:16 | 2024-07-29 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.09 | 50,000 | $4,675 | 10,185,090 |
| 2024-07-30 00:03 | 2024-07-26 | HAE | HAEMONETICS CORP | Strong Stewart W | Officer | SELL | $91.15 | 4,312 | $393,039 | 18,196 |
| 2024-07-25 00:29 | 2024-07-23 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.09 | 8,788 | $9,579 | 14,551,005 |
| 2024-07-23 00:23 | 2024-07-18 | STIM | Neuronetics, Inc. | Sullivan Keith J | Director, Officer | SELL | $1.90 | 24,162 | $45,908 | 1,324,354 |
| 2024-07-20 02:31 | 2024-07-17 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | SELL | $202.52 | 15,000 | $3,037,745 | 927,582 |
| 2024-07-19 19:04 | 2024-07-17 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.13 | 12,710 | $14,352 | 14,542,217 |
| 2024-07-19 00:21 | 2024-07-16 | STIM | Neuronetics, Inc. | Sullivan Keith J | Director, Officer | SELL | $1.94 | 23,762 | $46,086 | 1,348,516 |
| 2024-07-19 01:22 | 2024-07-16 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer | SELL | $86.69 | 57,372 | $4,973,791 | 1,900,956 |
| 2024-07-17 16:17 | 2022-05-10 | SRTS | Sensus Healthcare, Inc. | McCall William H | Director | SELL | $7.54 | 10,000 | $75,400 | 10,000 |
| 2024-07-17 19:30 | 2024-07-15 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.14 | 91 | $104 | 14,529,507 |
| 2024-07-18 00:08 | 2024-07-15 | SSKN | STRATA Skin Sciences, Inc. | Geiger Uri | Director, 10% owner | BUY | $3.14 | 230,573 | $723,999 | 1,441,835 |
| 2024-07-18 00:08 | 2024-07-15 | SSKN | STRATA Skin Sciences, Inc. | Accelmed Partners, L.P. | 10% owner | BUY | $3.14 | 230,573 | $723,999 | 1,441,835 |
| 2024-07-18 00:01 | 2024-07-15 | SSKN | STRATA Skin Sciences, Inc. | Rafaeli Dolev | Director, Officer | BUY | $3.14 | 19,100 | $59,974 | 143,156 |
| 2024-07-16 23:20 | 2024-07-12 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer | SELL | $86.21 | 40,006 | $3,448,753 | 1,958,328 |
| 2024-07-15 23:27 | 2024-07-11 | HAE | HAEMONETICS CORP | Lingamneni Anila | Officer | SELL | $90.00 | 2,215 | $199,350 | 21,331 |
| 2024-07-15 23:25 | 2024-07-11 | GMED | GLOBUS MEDICAL INC | Norwalk Leslie V | Director | SELL | $70.00 | 1,000 | $70,000 | 16,419 |
| 2024-07-10 19:04 | 2024-07-08 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $192.97 | 14,683 | $2,833,330 | 440,799 |
| 2024-07-10 00:27 | 2024-07-08 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $194.35 | 1,000 | $194,350 | 90,056 |
| 2024-07-10 00:10 | 2024-07-05 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $121.39 | 2,250 | $273,128 | 101,845 |
| 2024-07-09 22:18 | 2024-07-08 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.12 | 8,411 | $9,420 | 14,529,416 |
| 2024-07-09 00:07 | 2024-07-05 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.14 | 8,788 | $10,018 | 14,521,005 |
| 2024-07-06 00:41 | 2024-07-02 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $12.90 | 3,309 | $42,694 | 201,180 |
| 2024-07-06 00:48 | 2024-07-02 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $12.95 | 4,229 | $54,762 | 242,709 |
| 2024-07-04 02:54 | 2024-07-02 | SGHT | Sight Sciences, Inc. | HAYDEN JEREMY B. | Officer | SELL | $6.21 | 5,055 | $31,402 | 163,565 |
| 2024-07-04 02:54 | 2024-07-01 | SGHT | Sight Sciences, Inc. | Badawi David | Director, Officer | SELL | $6.42 | 3,128 | $20,072 | 1,759,648 |
| 2024-07-04 02:54 | 2024-07-01 | SGHT | Sight Sciences, Inc. | Badawi Paul | Director, Officer | SELL | $6.42 | 12,569 | $80,655 | 5,738,160 |
| 2024-07-04 02:52 | 2024-07-02 | SGHT | Sight Sciences, Inc. | Park Sam Boong | Officer | SELL | $6.21 | 3,525 | $21,897 | 258,229 |
| 2024-07-04 02:50 | 2024-07-02 | SGHT | Sight Sciences, Inc. | Bauerlein Alison | Officer | SELL | $6.21 | 10,497 | $65,207 | 402,685 |
| 2024-07-03 22:35 | 2024-07-02 | IRTC | iRhythm Holdings, Inc. | Turakhia Minang | Officer | SELL | $105.65 | 1,404 | $148,333 | 27,255 |
| 2024-07-04 03:02 | 2024-07-01 | PEN | Penumbra Inc | Kassing Don W. | Director | SELL | $179.99 | 170 | $30,598 | 1,005 |
| 2024-07-04 03:01 | 2024-07-01 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $179.20 | 600 | $107,519 | 62,288 |
| 2024-07-02 17:14 | 2024-06-28 | MMSI | MERIT MEDICAL SYSTEMS INC | Millner F. Ann | Director | OPT+S | $85.00 | 12,500 | $1,062,500 | 32,391 |
| 2024-07-02 18:47 | 2024-06-21 | HRGN | Harvard Apparatus Regenerative Technology, Inc. | He Junli | Director, Officer | BUY | $2.80 | 1,600 | $4,480 | 254,600 |
| 2024-07-02 23:13 | 2024-07-01 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | OPT+S | $77.30 | 6,983 | $539,786 | 42,908 |
| 2024-07-02 23:54 | 2024-06-28 | TELA | TELA Bio, Inc. | ORBIMED ADVISORS LLC | 10% owner | SELL | $4.72 | 428,300 | $2,022,004 | 2,407,242 |
| 2024-06-29 00:34 | 2024-06-28 | DXCM | DEXCOM INC | Brown Michael Jon | Officer | SELL | $114.29 | 659 | $75,317 | 66,901 |
| 2024-06-27 03:11 | 2024-06-24 | PDEX | PRO DEX INC | Domingo Angelita Rebamontan | Director | SELL | $18.30 | 2,585 | $47,295 | 8,191 |
| 2024-06-27 00:36 | 2024-06-24 | SSII | SS Innovations International, Inc. | Cohen Barry F | Director, Officer | BUY | $3.41 | 1,353 | $4,608 | 8,958,783 |
| 2024-06-26 23:15 | 2024-06-25 | OBIO | Orchestra BioMed Holdings, Inc. | Hochman David P | Director, Officer | BUY | $6.95 | 1,000 | $6,950 | 333,502 |
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.