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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-04-14 23:04 | 2021-04-12 | BAX | BAXTER INTERNATIONAL INC | Frye Andrew | Officer | SELL | $84.79 | 10,999 | $932,605 | 9,041 |
| 2021-04-14 00:23 | 2021-04-12 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $200.00 | 4,800 | $960,000 | 83,046 |
| 2021-04-14 00:22 | 2021-04-12 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $198.47 | 2,500 | $496,175 | 94,922 |
| 2021-04-12 18:42 | 2021-04-08 | SYK | STRYKER CORP | Fink M Kathryn | Officer | SELL | $250.00 | 4,000 | $1,000,000 | 10,243 |
| 2021-04-12 23:35 | 2021-04-09 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Coleman Glenn | Officer | OPT+S | $70.00 | 12,500 | $875,000 | 36,058 |
| 2021-04-12 23:13 | 2021-04-08 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | OPT+S | $16.57 | 30,840 | $510,871 | 1,002,521 |
| 2021-04-13 01:24 | 2021-04-08 | ICUI | ICU MEDICAL INC/DE | LOPEZ GEORGE A | Director, 10% owner | SELL | $204.07 | 25,000 | $5,101,760 | 936,843 |
| 2021-04-09 23:25 | 2021-03-23 | NVCR | NovoCure Ltd | Weinberg Uri | Officer | SELL | $140.00 | 2,835 | $396,900 | 33,471 |
| 2021-04-10 01:56 | 2021-04-07 | RCLFU | Spectral AI, Inc. | GLAZER CAPITAL, LLC | 10% owner | SELL | $9.96 | 42,435 | $422,627 | 2,635,092 |
| 2021-04-08 23:18 | 2020-02-28 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | SELL | $72.22 | 3,670 | $265,029 | 150,014 |
| 2021-04-08 23:20 | 2021-04-06 | LUNG | Pulmonx Corp | BOSTON SCIENTIFIC CORP | 10% owner | SELL | $43.60 | 650,000 | $28,340,000 | 3,988,106 |
| 2021-04-08 00:52 | 2021-04-06 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.23 | 20,000 | $4,628 | 5,851,244 |
| 2021-04-08 04:05 | 2021-04-05 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $47.65 | 4,797 | $228,557 | 104,267 |
| 2021-04-08 00:05 | 2021-04-05 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $366.67 | 6,221 | $2,281,082 | 111,257 |
| 2021-04-08 01:57 | 2021-04-05 | BAX | BAXTER INTERNATIONAL INC | STROUCKEN ALBERT P L | Director | OPT+S | $84.56 | 4,990 | $421,954 | 31,896 |
| 2021-04-08 01:55 | 2021-04-05 | BAX | BAXTER INTERNATIONAL INC | HELLMAN PETER S | Director | OPT+S | $84.56 | 4,990 | $421,954 | 25,399 |
| 2021-04-08 00:37 | 2021-04-05 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director, Officer | SELL | $30.56 | 40,000 | $1,222,320 | 68,918 |
| 2021-04-07 00:22 | 2021-04-05 | DYNT | DYNATRONICS CORP | Provco Ventures 1 LP | 10% owner | BUY | $0.00 | 32,564 | $0 | 991,813 |
| 2021-04-07 00:23 | 2021-04-05 | DYNT | DYNATRONICS CORP | Baker Brian D. | Director | BUY | $0.00 | 3,239 | $0 | 182,632 |
| 2021-04-07 00:22 | 2021-04-05 | DYNT | DYNATRONICS CORP | Baker Brian D. | Director | BUY | $0.00 | 4,571 | $0 | 76,030 |
| 2021-04-07 00:22 | 2021-04-05 | DYNT | DYNATRONICS CORP | ENRIGHT ERIN S. | Director | BUY | $0.00 | 65,164 | $0 | 189,141 |
| 2021-04-06 18:12 | 2021-04-05 | RMD | RESMED INC | PENDARVIS DAVID | Officer | SELL | $196.15 | 1,487 | $291,675 | 129,294 |
| 2021-04-07 00:22 | 2021-04-05 | DYNT | DYNATRONICS CORP | ESSIG STUART | 10% owner | BUY | $0.00 | 65,164 | $0 | 189,141 |
| 2021-04-07 02:41 | 2021-04-05 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $47.64 | 4,797 | $228,520 | 109,064 |
| 2021-04-07 02:40 | 2021-04-05 | LUNG | Pulmonx Corp | Sung Derrick | Officer | SELL | $47.36 | 10,000 | $473,622 | 218,659 |
| 2021-04-07 03:30 | 2021-04-01 | RCLFU | Spectral AI, Inc. | GLAZER CAPITAL, LLC | 10% owner | SELL | $9.95 | 23,450 | $233,328 | 2,677,527 |
| 2021-04-05 18:48 | 2021-04-01 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $194.14 | 1,500 | $291,210 | 30,088 |
| 2021-04-05 23:38 | 2021-02-11 | BVS | Bioventus Inc. | Pavesio Alessandra | Officer | BUY | $13.00 | 1,000 | $13,000 | 1,000 |
| 2021-04-05 23:37 | 2021-02-11 | BVS | Bioventus Inc. | D'Adamio Anthony | Officer | BUY | $13.00 | 1,000 | $13,000 | 1,000 |
| 2021-04-05 23:35 | 2021-02-11 | BVS | Bioventus Inc. | Anglum Gregory O. | Officer | BUY | $13.00 | 6,000 | $78,000 | 6,000 |
| 2021-04-05 23:31 | 2021-02-11 | BVS | Bioventus Inc. | Nosenzo John | Officer | BUY | $13.00 | 500 | $6,500 | 500 |
| 2021-04-05 23:31 | 2021-02-11 | BVS | Bioventus Inc. | Reali Kenneth Michael | Director, Officer | BUY | $13.00 | 9,375 | $121,875 | 9,375 |
| 2021-04-06 01:24 | 2021-04-01 | EMED | Electromedical Technologies, Inc | STEINBERG DONALD J | 10% owner | SELL | $0.19 | 52,220 | $9,823 | 3,648,249 |
| 2021-04-05 15:07 | 2021-04-01 | ATRC | AtriCure, Inc. | Collar Mark A | Director | SELL | $65.28 | 3,000 | $195,840 | 72,558 |
| 2021-04-05 19:34 | 2021-04-05 | DCTH | DELCATH SYSTEMS, INC. | MICHEL GERARD J | Director, Officer | BUY | $12.88 | 15,500 | $199,640 | 23,000 |
| 2021-04-05 23:30 | 2021-02-11 | BVS | Bioventus Inc. | CHURCH KATRINA J | Officer | BUY | $13.00 | 2,500 | $32,500 | 2,500 |
| 2021-04-06 00:49 | 2021-04-01 | ICUI | ICU MEDICAL INC/DE | LOPEZ GEORGE A | Director, 10% owner | SELL | $206.64 | 25,000 | $5,165,885 | 961,843 |
| 2021-04-02 23:13 | 2021-04-01 | BSX | BOSTON SCIENTIFIC CORP | Olson Scott | Officer | SELL | $38.61 | 700 | $27,027 | 12,844 |
| 2021-04-02 23:14 | 2021-04-01 | NVCR | NovoCure Ltd | DOYLE WILLIAM F | Director, Officer | OPT+S | $134.12 | 7,928 | $1,063,303 | 650,393 |
| 2021-04-03 01:28 | 2021-04-01 | PODD | INSULET CORP | Petrovic Shacey | Director, Officer | OPT+S | $266.17 | 15,000 | $3,992,550 | 41,589 |
| 2021-04-01 23:24 | 2021-03-30 | LUNG | Pulmonx Corp | BOSTON SCIENTIFIC CORP | 10% owner | SELL | $40.80 | 1,350,000 | $55,080,000 | 4,638,106 |
| 2021-03-31 23:16 | 2021-03-21 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.22 | 25,000 | $5,450 | 5,909,855 |
| 2021-03-31 22:20 | 2021-03-26 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.27 | 18,911 | $5,106 | 5,871,244 |
| 2021-03-31 22:05 | 2021-03-21 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.30 | 19,700 | $5,910 | 5,890,155 |
| 2021-03-31 00:18 | 2021-03-26 | EMED | Electromedical Technologies, Inc | STEINBERG DONALD J | 10% owner | SELL | $0.23 | 25,000 | $5,838 | 3,700,469 |
| 2021-03-31 00:33 | 2021-03-29 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Coleman Glenn | Officer | OPT+S | $68.50 | 15,500 | $1,061,750 | 36,058 |
| 2021-03-31 00:45 | 2021-03-26 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $350.00 | 500 | $175,000 | 19,741 |
| 2021-03-30 01:27 | 2021-03-25 | INFU | InfuSystem Holdings, Inc | GENDRON PAUL ANDREW | Director | BUY | $20.34 | 3,000 | $61,020 | 25,000 |
| 2021-03-27 00:02 | 2021-03-23 | RCLFU | Spectral AI, Inc. | GLAZER CAPITAL, LLC | 10% owner | SELL | $9.90 | 31,641 | $313,249 | 2,700,977 |
| 2021-03-25 23:40 | 2021-03-23 | NVCR | NovoCure Ltd | Weinberg Uri | Officer | OPT+S | $140.00 | 3,892 | $544,880 | 36,306 |
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.