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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-06-06 20:18 | 2023-06-02 | RMD | RESMED INC | Ghoshal Kaushik | Officer | SELL | $220.00 | 500 | $110,000 | 12,287 |
| 2023-06-06 23:11 | 2023-06-05 | PODD | INSULET CORP | BORIO LUCIANA | Director | SELL | $283.38 | 500 | $141,690 | 2,350 |
| 2023-06-05 23:07 | 2023-06-02 | IRTC | iRhythm Holdings, Inc. | Shrishrimal Sumi | Officer | SELL | $111.45 | 1,109 | $123,598 | 18,707 |
| 2023-06-06 00:24 | 2023-06-01 | SYK | STRYKER CORP | Datar Srikant M. | Director | SELL | $278.50 | 500 | $139,250 | 5,467 |
| 2023-06-05 23:12 | 2023-06-01 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Schwartz Eric | Officer | BUY | $37.89 | 2,640 | $100,035 | 48,597 |
| 2023-06-06 02:28 | 2023-06-01 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $309.30 | 900 | $278,368 | 66,337 |
| 2023-06-06 03:09 | 2023-06-02 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $60.00 | 142 | $8,520 | 673,963 |
| 2023-06-06 00:08 | 2023-06-02 | LMAT | LEMAITRE VASCULAR INC | Ross Bridget A | Director | OPT+S | $64.24 | 5,000 | $321,200 | 1,169 |
| 2023-06-02 23:10 | 2023-06-01 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | De Witte Jan | Director, Officer | BUY | $38.50 | 7,792 | $299,986 | 12,798 |
| 2023-06-03 02:20 | 2023-05-31 | NXGL | NEXGEL, INC. | Henry Scott Robert | Director | BUY | $2.35 | 3,000 | $7,050 | 95,000 |
| 2023-06-02 23:11 | 2023-05-31 | LYRA | Lyra Therapeutics, Inc. | ANDERSON EDWARD T | Director, 10% owner | BUY | $2.43 | 1,805,416 | $4,387,161 | 2,521,745 |
| 2023-06-02 23:11 | 2023-05-31 | LYRA | Lyra Therapeutics, Inc. | PERCEPTIVE ADVISORS LLC | Director, 10% owner | BUY | $2.49 | 3,610,832 | $8,999,999 | 11,469,117 |
| 2023-06-02 23:05 | 2023-06-01 | PODD | INSULET CORP | Petrovic Shacey | Director | SELL | $271.56 | 15,000 | $4,073,400 | 43,205 |
| 2023-06-02 23:25 | 2023-06-01 | ARAY | Accuray Incorporated | Chalke Sandeep | Officer | SELL | $3.55 | 26,168 | $92,896 | 542,232 |
| 2023-06-02 23:25 | 2023-06-01 | ARAY | Accuray Incorporated | Pervaiz Ali | Officer | SELL | $3.55 | 2,637 | $9,361 | 405,855 |
| 2023-06-02 23:15 | 2023-05-31 | LYRA | Lyra Therapeutics, Inc. | NBVM GP, LLC | 10% owner | BUY | $2.43 | 1,805,416 | $4,387,161 | 2,521,745 |
| 2023-06-03 01:51 | 2023-06-01 | LUNG | Pulmonx Corp | Sung Derrick | Officer | SELL | $11.49 | 4,222 | $48,507 | 395,260 |
| 2023-06-03 01:47 | 2023-06-01 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $11.48 | 2,845 | $32,661 | 257,048 |
| 2023-06-03 01:40 | 2023-06-01 | LUNG | Pulmonx Corp | Lehman David Aaron | Officer | SELL | $11.48 | 3,776 | $43,348 | 157,420 |
| 2023-06-03 01:38 | 2023-06-01 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $11.48 | 6,533 | $75,009 | 1,199,547 |
| 2023-06-01 23:01 | 2023-05-30 | ICU | SeaStar Medical Holding Corp | Chung Kevin | Officer | BUY | $0.47 | 12,543 | $5,953 | 68,125 |
| 2023-06-01 23:19 | 2023-05-30 | HAE | HAEMONETICS CORP | Lingamneni Anila | Officer | SELL | $83.33 | 2,304 | $191,992 | 16,800 |
| 2023-06-01 15:30 | 2023-05-30 | NXGL | NEXGEL, INC. | glassman steven mark | Director | BUY | $2.38 | 4,200 | $9,996 | 119,292 |
| 2023-06-02 00:59 | 2023-05-30 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | OPT+S | $294.90 | 529 | $156,002 | 4,613 |
| 2023-06-01 18:02 | 2023-05-30 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $46.29 | 10,000 | $462,905 | 462,950 |
| 2023-06-01 15:30 | 2023-05-30 | NXGL | NEXGEL, INC. | STEFANSKY DAVID | Director | BUY | $2.50 | 7,000 | $17,490 | 47,091 |
| 2023-05-31 17:10 | 2023-05-11 | SRTS | Sensus Healthcare, Inc. | Heinrich John | Director | BUY | $2.86 | 10,000 | $28,600 | 79,940 |
| 2023-05-31 23:14 | 2023-05-30 | OSUR | ORASURE TECHNOLOGIES INC | McGrath Kenneth J | Officer | BUY | $4.93 | 100,000 | $492,810 | 285,512 |
| 2023-05-31 23:38 | 2023-05-30 | WST | WEST PHARMACEUTICAL SERVICES INC | Witherspoon Charles | Officer | OPT+S | $343.05 | 1,000 | $343,050 | 1,829 |
| 2023-05-30 23:01 | 2023-05-25 | ICU | SeaStar Medical Holding Corp | Russell Richard D. | Director | BUY | $0.50 | 20,000 | $10,000 | 27,978 |
| 2023-05-30 23:05 | 2023-05-26 | NXGL | NEXGEL, INC. | ZELDIS JEROME B | Director | BUY | $2.34 | 5,000 | $11,689 | 93,028 |
| 2023-05-30 23:05 | 2023-05-26 | ATRC | AtriCure, Inc. | Yuen Maggie | Director | SELL | $47.04 | 4,313 | $202,884 | 4,682 |
| 2023-05-30 14:30 | 2023-05-25 | CTSO | Cytosorbents Corp | BLOCH KATHLEEN P. | Officer | BUY | $2.85 | 3,300 | $9,389 | 47,000 |
| 2023-05-30 22:45 | 2023-05-26 | CERS | CERUS CORP | Swisher Daniel N JR | Director | BUY | $1.91 | 5,000 | $9,535 | 118,808 |
| 2023-05-27 00:50 | 2023-05-24 | OFIX | Orthofix Medical Inc. | Kenny Kevin J. | Officer | SELL | $19.00 | 8,243 | $156,617 | 142,431 |
| 2023-05-26 23:10 | 2023-05-24 | STIM | Neuronetics, Inc. | BAKEWELL JOHN K | Director | SELL | $2.70 | 14,400 | $38,880 | 77,988 |
| 2023-05-26 23:28 | 2023-05-24 | BVS | Bioventus Inc. | HAWKINS WILLIAM A | Director | BUY | $2.68 | 88,000 | $235,567 | 184,310 |
| 2023-05-25 02:37 | 2023-05-23 | TNON | Tenon Medical, Inc. | FOSTER STEVEN M | Director, Officer | OPT+S | $1.26 | 27,791 | $35,017 | 44,686 |
| 2023-05-25 02:36 | 2023-05-23 | TNON | Tenon Medical, Inc. | GINN RICHARD | Director, Officer | OPT+S | $1.26 | 64,990 | $81,887 | 85,318 |
| 2023-05-25 00:40 | 2023-05-22 | NXGL | NEXGEL, INC. | Henry Scott Robert | Director | BUY | $1.96 | 7,000 | $13,720 | 92,000 |
| 2023-05-25 04:17 | 2023-05-23 | BVS | Bioventus Inc. | Bihl Anthony P III | Director, Officer | BUY | $2.33 | 125,000 | $290,988 | 125,000 |
| 2023-05-24 23:04 | 2023-05-22 | INSP | Inspire Medical Systems, Inc. | Griffin Jerry C | Director | OPT+S | $307.52 | 529 | $162,678 | 4,142 |
| 2023-05-25 00:12 | 2023-05-23 | UFPT | UFP TECHNOLOGIES INC | FELDMANN CYNTHIA L | Director | OPT+S | $153.97 | 2,056 | $316,564 | 4,168 |
| 2023-05-24 23:11 | 2023-05-23 | PODD | INSULET CORP | MINOGUE MICHAEL R | Director | BUY | $304.75 | 3,300 | $1,005,675 | 12,221 |
| 2023-05-25 02:18 | 2023-05-24 | CERS | CERUS CORP | SCHULZE GAIL | Director | BUY | $2.03 | 9,850 | $19,981 | 83,420 |
| 2023-05-24 04:16 | 2023-05-19 | BVS | Bioventus Inc. | Bartholdson John A. | Director | BUY | $1.96 | 1,315,673 | $2,573,193 | 5,909,136 |
| 2023-05-23 18:56 | 2023-05-22 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $45.95 | 10,000 | $459,507 | 472,950 |
| 2023-05-23 23:45 | 2023-05-22 | LNSR | LENSAR, Inc. | WEISNER AIMEE S | Director | BUY | $2.75 | 16,647 | $45,779 | 54,285 |
| 2023-05-24 03:38 | 2023-05-19 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $60.03 | 8 | $480 | 673,963 |
| 2023-05-24 00:04 | 2023-05-19 | LMAT | LEMAITRE VASCULAR INC | LeMaitre George W | Director, Officer, 10% owner | SELL | $62.67 | 7,098 | $444,810 | 2,346,310 |
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.