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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-12-23 02:05 | 2023-12-21 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $84.80 | 25,000 | $2,120,063 | 120,001 |
| 2023-12-23 02:04 | 2023-12-21 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | SELL | $85.14 | 583 | $49,637 | 55,242 |
| 2023-12-23 02:03 | 2023-12-21 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $85.21 | 79,685 | $6,789,959 | 55,835 |
| 2023-12-22 19:35 | 2023-12-20 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.11 | 4,806 | $5,357 | 14,130,480 |
| 2023-12-23 02:12 | 2023-12-21 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $12.42 | 10,000 | $124,200 | 1,151,344 |
| 2023-12-22 03:42 | 2023-12-19 | STIM | Neuronetics, Inc. | MACAN WILLIAM ANDREW | Officer | SELL | $2.49 | 34,991 | $87,012 | 348,742 |
| 2023-12-22 00:04 | 2023-12-19 | OSUR | ORASURE TECHNOLOGIES INC | Weber Kathleen Gallagher | Officer | OPT+S | $8.05 | 24,129 | $194,219 | 254,700 |
| 2023-12-21 20:54 | 2023-12-04 | WST | WEST PHARMACEUTICAL SERVICES INC | Winters Chad | Officer | OPT+S | $349.00 | 1,013 | $353,541 | 1,270 |
| 2023-12-21 00:05 | 2023-12-18 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $44.61 | 10,000 | $446,099 | 172,950 |
| 2023-12-20 20:04 | 2023-12-18 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.10 | 4,983 | $5,487 | 14,125,674 |
| 2023-12-20 22:05 | 2023-12-19 | AURX | Nuo Therapeutics, Inc. | SHEEDY CHARLES E | 10% owner | BUY | $0.50 | 150,000 | $75,000 | 11,212,500 |
| 2023-12-20 01:15 | 2023-12-18 | XAIR | Beyond Air, Inc. | Lisi Steven A. | Director, Officer | BUY | $1.63 | 77,775 | $126,797 | 1,536,471 |
| 2023-12-20 01:13 | 2023-12-18 | XAIR | Beyond Air, Inc. | Carey Robert | Director | BUY | $1.64 | 1,200,000 | $1,962,000 | 2,374,454 |
| 2023-12-20 01:23 | 2023-12-15 | AORT | Artivion Inc. | Horton Amy | Officer | OPT+S | $19.00 | 14,397 | $273,543 | 124,040 |
| 2023-12-19 01:30 | 2023-12-14 | HRGN | Harvard Apparatus Regenerative Technology, Inc. | He Junli | Director, Officer | BUY | $4.92 | 900 | $4,428 | 250,300 |
| 2023-12-19 00:11 | 2023-12-15 | BSX | BOSTON SCIENTIFIC CORP | Carruthers Wendy | Officer | OPT+S | $55.61 | 11,672 | $649,075 | 41,269 |
| 2023-12-19 04:41 | 2023-12-15 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | SELL | $79.80 | 1,270 | $101,346 | 55,825 |
| 2023-12-19 04:40 | 2023-12-14 | GKOS | GLAUKOS Corp | Stapley Marc | Director | OPT+S | $75.93 | 16,250 | $1,233,876 | 31,316 |
| 2023-12-19 04:39 | 2023-12-14 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $79.26 | 90,000 | $7,133,805 | 55,835 |
| 2023-12-18 20:27 | 2023-12-14 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.12 | 4,706 | $5,279 | 14,120,691 |
| 2023-12-19 00:01 | 2023-12-15 | PODD | INSULET CORP | BORIO LUCIANA | Director | SELL | $207.08 | 72 | $14,910 | 2,278 |
| 2023-12-19 00:32 | 2023-12-15 | DXCM | DEXCOM INC | AUGUSTINOS NICHOLAS | Director | SELL | $123.02 | 3,976 | $489,128 | 34,040 |
| 2023-12-19 00:31 | 2023-12-15 | DXCM | DEXCOM INC | ALTMAN STEVEN R | Director | SELL | $122.77 | 2,000 | $245,548 | 54,700 |
| 2023-12-19 02:49 | 2023-12-15 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $178.69 | 17,289 | $3,089,349 | 27,090 |
| 2023-12-16 00:05 | 2023-12-13 | KRMD | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | SELL | $2.40 | 145,833 | $349,999 | 2,198,825 |
| 2023-12-16 00:05 | 2023-12-13 | KRMD | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $2.40 | 145,833 | $349,999 | 7,609,751 |
| 2023-12-16 02:28 | 2023-12-14 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | OPT+S | $42.96 | 15,000 | $644,462 | 46,933 |
| 2023-12-16 02:19 | 2023-12-13 | PRCT | PROCEPT BioRobotics Corp | Waters Kevin | Officer | OPT+S | $40.05 | 71,465 | $2,862,216 | 33,523 |
| 2023-12-16 00:35 | 2023-12-13 | CTSO | Cytosorbents Corp | Sobel Alan D. | Director | BUY | $1.33 | 22,557 | $30,001 | 101,857 |
| 2023-12-16 00:34 | 2023-12-13 | CTSO | Cytosorbents Corp | Deliargyris Efthymios | Officer | BUY | $1.33 | 22,557 | $30,001 | 348,433 |
| 2023-12-16 00:34 | 2023-12-13 | CTSO | Cytosorbents Corp | Capponi Vincent | Officer | BUY | $1.33 | 18,797 | $25,000 | 584,134 |
| 2023-12-16 00:33 | 2023-12-13 | CTSO | Cytosorbents Corp | BATOR MICHAEL G. | Director | BUY | $1.33 | 37,594 | $50,000 | 125,394 |
| 2023-12-16 00:32 | 2023-12-13 | CTSO | Cytosorbents Corp | Jones Edward Raymond | Director | BUY | $1.33 | 7,519 | $10,000 | 88,834 |
| 2023-12-16 00:32 | 2023-12-13 | CTSO | Cytosorbents Corp | BLOCH KATHLEEN P. | Officer | BUY | $1.33 | 37,594 | $50,000 | 467,941 |
| 2023-12-16 00:31 | 2023-12-13 | CTSO | Cytosorbents Corp | Kim Jiny | Director | BUY | $1.33 | 7,519 | $10,000 | 77,819 |
| 2023-12-16 00:30 | 2023-12-13 | CTSO | Cytosorbents Corp | Chan Phillip P. | Director, Officer | BUY | $1.33 | 75,188 | $100,000 | 1,068,704 |
| 2023-12-16 01:09 | 2023-11-20 | PSTV | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Director, Officer | SELL | $1.96 | 2,068 | $4,053 | 170 |
| 2023-12-16 02:19 | 2023-12-14 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $180.78 | 20,249 | $3,660,659 | 44,379 |
| 2023-12-15 00:17 | 2023-12-13 | BJDX | Bluejay Diagnostics, Inc. | Dey Svetlana | Director | BUY | $3.07 | 500 | $1,535 | 1,500 |
| 2023-12-15 00:16 | 2023-12-13 | BJDX | Bluejay Diagnostics, Inc. | Dey Indranil | Director, Officer, 10% owner | BUY | $3.27 | 500 | $1,635 | 28,526 |
| 2023-12-15 00:20 | 2023-12-12 | DCTH | DELCATH SYSTEMS, INC. | Vukovic Vojo | Officer | BUY | $3.00 | 40,000 | $120,000 | 100,000 |
| 2023-12-15 04:05 | 2023-12-12 | IRMD | IRADIMED CORP | HAWKINS JAMES B | Director | OPT+S | $43.60 | 10,468 | $456,407 | 39,348 |
| 2023-12-14 17:00 | 2023-12-12 | APYX | Apyx Medical Corporation | HILL MATTHEW C | Officer | BUY | $2.19 | 2,500 | $5,475 | 2,500 |
| 2023-12-15 01:01 | 2023-12-13 | RCEL | AVITA Medical, Inc. | COOK JEREMY CURNOCK | Director | SELL | $12.27 | 2,518 | $30,896 | 20,596 |
| 2023-12-14 19:02 | 2023-12-12 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.13 | 5,137 | $5,815 | 14,115,985 |
| 2023-12-15 03:37 | 2023-12-12 | PLSE | PULSE BIOSCIENCES, INC. | DUGGAN ROBERT W | Director, 10% owner | BUY | $9.15 | 17,999 | $164,691 | 36,984,179 |
| 2023-12-14 00:05 | 2023-12-11 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $42.03 | 10,000 | $420,304 | 182,950 |
| 2023-12-14 00:18 | 2023-12-12 | DXCM | DEXCOM INC | ALTMAN STEVEN R | Director | SELL | $120.00 | 3,000 | $360,004 | 56,700 |
| 2023-12-14 02:03 | 2023-12-11 | PLSE | PULSE BIOSCIENCES, INC. | DUGGAN ROBERT W | Director, 10% owner | BUY | $9.36 | 90,118 | $843,504 | 36,966,180 |
| 2023-12-14 01:55 | 2023-12-13 | CERS | CERUS CORP | BJERKHOLT ERIC | Director | BUY | $1.62 | 10,000 | $16,200 | 142,133 |
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.