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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2008-06-16 17:59 | 2008-06-13 | ATRC | AtriCure, Inc. | Drachman David J | Director, Officer | BUY | $10.56 | 3,200 | $33,804 | 8,400 |
| 2008-06-16 20:04 | 2008-06-13 | PDEX | PRO DEX INC | RITCHEY JEFFREY J | Officer | BUY | $1.07 | 2,000 | $2,136 | 136,000 |
| 2008-06-13 19:06 | 2008-06-05 | ATEC | Alphatec Holdings, Inc. | Kuyper Dirk | Director, Officer | BUY | $4.54 | 5,000 | $22,680 | 665,260 |
| 2008-06-13 19:30 | 2008-06-13 | DYNT | DYNATRONICS CORP | CARDON ROBERT J | Officer | BUY | $0.68 | 6,000 | $4,080 | 31,000 |
| 2008-06-13 17:10 | 2008-06-11 | PDII | INTERPACE BIOSCIENCES, INC. | Marquard Michael | Officer | BUY | $7.99 | 2,500 | $19,971 | 72,347 |
| 2008-06-12 23:31 | 2008-06-11 | ATRC | AtriCure, Inc. | Drachman David J | Director, Officer | BUY | $10.21 | 1,200 | $12,255 | 5,200 |
| 2008-06-13 01:32 | 2008-06-12 | PDEX | PRO DEX INC | MURPHY MARK PHILLIP | Director, Officer | BUY | $1.08 | 5,000 | $5,399 | 453,200 |
| 2008-06-12 23:20 | 2008-05-29 | NEP | NEPHROS INC | Stagg Capital Group LLC | 10% owner | SELL | $0.81 | 230,900 | $186,890 | 4,166,558 |
| 2008-06-13 00:41 | 2008-06-11 | CRY | Artivion Inc. | RONALD C ELKINS | Director | SELL | $10.55 | 2,000 | $21,094 | 70,500 |
| 2008-06-11 18:54 | 2008-06-10 | ATRC | AtriCure, Inc. | Drachman David J | Director, Officer | BUY | $10.69 | 4,000 | $42,744 | 4,000 |
| 2008-06-10 22:01 | 2008-06-10 | ATRC | AtriCure, Inc. | Krell Elizabeth D | Director | BUY | $10.70 | 500 | $5,350 | 500 |
| 2008-06-10 15:16 | 2008-06-09 | ATRC | AtriCure, Inc. | Hooven Michael D | Director | BUY | $10.36 | 9,600 | $99,492 | 98,607 |
| 2008-06-10 23:48 | 2008-06-09 | PDEX | PRO DEX INC | JOHNSON PATRICK L | Officer | SELL | $1.35 | 1,000 | $1,350 | 390,514 |
| 2008-06-11 02:03 | 2008-06-10 | CYTX | PLUS THERAPEUTICS, INC. | CALHOUN CHRISTOPHER J | Director, Officer | OPT+S | $8.34 | 53,190 | $443,780 | 100,000 |
| 2008-06-06 23:18 | 2008-06-05 | PDEX | PRO DEX INC | JOHNSON PATRICK L | Officer | SELL | $1.35 | 6,470 | $8,735 | 391,514 |
| 2008-06-06 00:00 | 2008-06-03 | LMAT | LEMAITRE VASCULAR INC | Kamke Trent G | Officer | OPT+S | $3.15 | 2,797 | $8,818 | 28,683 |
| 2008-06-05 00:36 | 2008-06-04 | BAX | BAXTER INTERNATIONAL INC | MARTIN JOSEPH B | Director | OPT+S | $61.32 | 10,030 | $615,067 | 2,024 |
| 2008-06-04 04:58 | 2008-03-31 | ATEC | Alphatec Holdings, Inc. | Kuyper Dirk | Director, Officer | SELL | $4.98 | 17,250 | $85,977 | 660,260 |
| 2008-06-03 23:26 | 2008-05-30 | LMAT | LEMAITRE VASCULAR INC | Kamke Trent G | Officer | OPT+S | $3.25 | 19,159 | $62,290 | 27,794 |
| 2008-06-03 22:08 | 2008-06-02 | PODD | INSULET CORP | Diehl R Anthony | Officer | OPT+S | $16.35 | 1,500 | $24,525 | 11,821 |
| 2008-06-02 20:27 | 2008-06-02 | RMD | RESMED INC | FARRELL PETER C | Director, Officer | SELL | $38.55 | 5,000 | $192,736 | 804,062 |
| 2008-06-03 00:15 | 2008-05-30 | LMAT | LEMAITRE VASCULAR INC | Linden Robert V | Officer | BUY | $3.38 | 650 | $2,197 | 28,055 |
| 2008-06-02 23:15 | 2008-05-29 | BDX | BECTON DICKINSON & CO | LUDWIG EDWARD J | Director, Officer | OPT+S | $85.19 | 42,308 | $3,604,219 | 160,393 |
| 2008-05-30 20:45 | 2008-05-28 | CRY | Artivion Inc. | ANDERSON STEVEN G | Director, Officer | OPT+S | $11.12 | 9,496 | $105,610 | 1,085,384 |
| 2008-05-31 00:02 | 2008-05-28 | PDEX | PRO DEX INC | JOHNSON PATRICK L | Officer | SELL | $1.35 | 14,476 | $19,557 | 397,984 |
| 2008-05-31 01:07 | 2008-02-04 | NEP | NEPHROS INC | Enso Capital Management LLC | 10% owner | BUY | $0.88 | 481,165 | $423,425 | 3,446,001 |
| 2008-05-31 01:07 | 2008-01-24 | NEP | NEPHROS INC | Enso Capital Management LLC | 10% owner | SELL | $0.72 | 481,165 | $344,033 | 221,637 |
| 2008-05-30 22:47 | 2008-05-27 | NEP | NEPHROS INC | Enso Capital Management LLC | 10% owner | BUY | $0.70 | 1,249,904 | $874,933 | 1,249,904 |
| 2008-05-30 21:44 | 2008-05-27 | NEP | NEPHROS INC | Southpaw Asset Management LP | 10% owner | SELL | $0.70 | 1,888,075 | $1,321,653 | 103,336 |
| 2008-05-31 00:10 | 2008-05-29 | LMAT | LEMAITRE VASCULAR INC | Pellegrino Joseph P JR | Officer | BUY | $3.59 | 2,000 | $7,180 | 34,231 |
| 2008-05-30 00:09 | 2008-05-27 | BAX | BAXTER INTERNATIONAL INC | GREISCH JOHN J | Officer | SELL | $59.72 | 5,500 | $328,452 | 74,383 |
| 2008-05-30 00:07 | 2008-05-27 | BAX | BAXTER INTERNATIONAL INC | GREISCH JOHN J | Officer | SELL | $59.92 | 10,729 | $642,931 | 79,883 |
| 2008-05-30 00:06 | 2008-05-27 | BAX | BAXTER INTERNATIONAL INC | GREISCH JOHN J | Officer | SELL | $60.10 | 9,761 | $586,684 | 90,612 |
| 2008-05-30 00:04 | 2008-05-27 | BAX | BAXTER INTERNATIONAL INC | GREISCH JOHN J | Officer | SELL | $60.28 | 9,100 | $548,585 | 100,373 |
| 2008-05-30 00:02 | 2008-05-27 | BAX | BAXTER INTERNATIONAL INC | GREISCH JOHN J | Officer | OPT+S | $60.46 | 5,860 | $354,301 | 109,473 |
| 2008-05-30 00:02 | 2008-05-27 | BAX | BAXTER INTERNATIONAL INC | GREISCH JOHN J | Officer | BUY | $60.15 | 5,000 | $300,750 | 74,383 |
| 2008-05-30 00:00 | 2008-05-27 | BAX | BAXTER INTERNATIONAL INC | BOOMER WALTER E | Director | OPT+S | $60.07 | 60,328 | $3,624,012 | 21,005 |
| 2008-05-29 19:35 | 2008-05-27 | CRY | Artivion Inc. | McCall Ronald D | Director | SELL | $11.00 | 9,550 | $105,050 | 140,126 |
| 2008-05-28 18:06 | 2008-05-27 | SYK | STRYKER CORP | STRYKER JON L | 10% owner | SELL | $62.34 | 7,000 | $436,365 | 4,500 |
| 2008-05-28 00:43 | 2008-05-22 | CRY | Artivion Inc. | ANDERSON STEVEN G | Director, Officer | OPT+S | $10.93 | 35,504 | $388,116 | 1,085,384 |
| 2008-05-28 01:32 | 2008-05-23 | DCTH | DELCATH SYSTEMS, INC. | Philips Laura A | Director | BUY | $1.73 | 10,000 | $17,334 | 12,000 |
| 2008-05-28 01:07 | 2008-05-22 | RMD | RESMED INC | EISEN PAUL | Officer | OPT+S | $40.24 | 8,166 | $328,561 | 0 |
| 2008-05-23 20:48 | 2008-05-21 | RMD | RESMED INC | Sandercock Brett | Officer | OPT+S | $41.13 | 4,000 | $164,500 | 6,435 |
| 2008-05-23 20:44 | 2008-05-21 | RMD | RESMED INC | QUINN MICHAEL A | Director | SELL | $41.21 | 10,000 | $412,112 | 139,600 |
| 2008-05-24 03:36 | 2008-05-21 | RMD | RESMED INC | ROBERTS CHRISTOPHER G | Director | SELL | $41.26 | 15,000 | $618,944 | 248,400 |
| 2008-05-23 15:55 | 2008-05-22 | WST | WEST PHARMACEUTICAL SERVICES INC | ELLERS STEVEN A | Officer | SELL | $47.25 | 10,000 | $472,485 | 122,889 |
| 2008-05-22 21:01 | 2008-05-21 | UFPT | UFP TECHNOLOGIES INC | GESTAL KENNETH L | Director | SELL | $14.21 | 10,000 | $142,050 | 10,000 |
| 2008-05-22 21:09 | 2008-05-22 | WST | WEST PHARMACEUTICAL SERVICES INC | JOHNSON L ROBERT | Director | SELL | $47.06 | 2,500 | $117,659 | 19,532 |
| 2008-05-22 17:34 | 2008-05-21 | WST | WEST PHARMACEUTICAL SERVICES INC | MOREL DONALD E JR | Officer | SELL | $46.47 | 10,000 | $464,727 | 248,054 |
| 2008-05-22 21:04 | 2008-05-21 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer, 10% owner | SELL | $14.42 | 400 | $5,767 | 546,347 |
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.