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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2012-12-22 04:01 | 2012-12-19 | CYTX | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Director, Officer | BUY | $2.85 | 10,000 | $28,500 | 458,238 |
| 2012-12-20 02:52 | 2012-12-17 | ATRC | AtriCure, Inc. | Discovery Group I, LLC | 10% owner | SELL | $6.53 | 10,000 | $65,330 | 1,621,334 |
| 2012-12-19 22:34 | 2012-12-18 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $56.44 | 18,000 | $1,015,830 | 12,652,682 |
| 2012-12-20 00:41 | 2012-12-17 | PODD | INSULET CORP | Diehl R Anthony | Officer | OPT+S | $21.58 | 25,836 | $557,417 | 49,955 |
| 2012-12-19 01:09 | 2012-12-13 | MDXG | MIMEDX GROUP, INC. | YESTON NEIL | Director | BUY | $3.52 | 5,000 | $17,610 | 5,000 |
| 2012-12-17 20:51 | 2012-12-14 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $56.03 | 18,000 | $1,008,558 | 12,670,682 |
| 2012-12-17 23:47 | 2012-12-13 | HAE | HAEMONETICS CORP | GELBMAN RONALD G | Director | OPT+S | $40.07 | 11,310 | $453,202 | 37,524 |
| 2012-12-15 04:15 | 2012-08-09 | RMD | RESMED INC | QUINN MICHAEL A | Director | SELL | $3.40 | 240,000 | $816,000 | 400,000 |
| 2012-12-15 01:40 | 2012-12-13 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $13.97 | 12,760 | $178,224 | 0 |
| 2012-12-15 01:39 | 2012-12-12 | DXCM | DEXCOM INC | VALDES JORGE A | Officer | SELL | $14.05 | 31,872 | $447,894 | 0 |
| 2012-12-13 15:48 | 2012-12-11 | HAE | HAEMONETICS CORP | Nighan Warren JR | Officer | OPT+S | $40.21 | 8,258 | $332,072 | 7,908 |
| 2012-12-14 01:35 | 2012-12-11 | ATRC | AtriCure, Inc. | Discovery Group I, LLC | 10% owner | SELL | $6.21 | 53,234 | $330,413 | 1,674,768 |
| 2012-12-13 22:07 | 2012-12-12 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $55.93 | 18,000 | $1,006,805 | 12,688,682 |
| 2012-12-14 01:04 | 2012-12-11 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | OGRADY JUDITH | Officer | SELL | $40.02 | 8,000 | $320,157 | 25,674 |
| 2012-12-13 17:26 | 2012-12-12 | BDX | BECTON DICKINSON & CO | BECTON HENRY P JR | Director | SELL | $78.49 | 850 | $66,717 | 91,896 |
| 2012-12-13 02:48 | 2012-12-10 | LMAT | LEMAITRE VASCULAR INC | Gebauer Peter R | Officer | OPT+S | $6.32 | 4,165 | $26,327 | 20,195 |
| 2012-12-13 00:53 | 2012-12-10 | LMAT | LEMAITRE VASCULAR INC | LeMaitre Cornelia W | Director, Officer | SELL | $6.50 | 100 | $650 | 242,834 |
| 2012-12-13 04:03 | 2012-12-10 | DXCM | DEXCOM INC | ROPER JESS | Officer | SELL | $13.85 | 8,715 | $120,669 | 0 |
| 2012-12-13 03:47 | 2012-12-11 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | OPT+S | $14.26 | 10,000 | $142,645 | 166,052 |
| 2012-12-12 19:54 | 2012-12-10 | BDX | BECTON DICKINSON & CO | Sichak Stephen | Officer | OPT+S | $77.71 | 7,641 | $593,782 | 11,409 |
| 2012-12-12 01:43 | 2012-12-07 | OCLS | Sonoma Pharmaceuticals, Inc. | Alimi Hojabr | Director, Officer | BUY | $0.65 | 5,300 | $3,438 | 1,031,050 |
| 2012-12-11 21:24 | 2012-12-10 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $55.28 | 18,000 | $994,961 | 12,706,682 |
| 2012-12-11 20:23 | 2012-12-10 | UTMD | UTAH MEDICAL PRODUCTS INC | HOYER ERNST G | Director | SELL | $35.03 | 5,954 | $208,569 | 43,844 |
| 2012-12-11 03:46 | 2012-12-10 | OCLS | Sonoma Pharmaceuticals, Inc. | Alimi Hojabr | Director, Officer | BUY | $0.64 | 5,500 | $3,507 | 1,031,050 |
| 2012-12-11 01:06 | 2012-12-06 | ATRC | AtriCure, Inc. | Discovery Group I, LLC | 10% owner | SELL | $6.15 | 31,893 | $196,049 | 1,728,002 |
| 2012-12-10 18:49 | 2012-12-07 | BDX | BECTON DICKINSON & CO | BECTON HENRY P JR | Director | SELL | $77.44 | 850 | $65,824 | 92,746 |
| 2012-12-08 00:32 | 2012-12-06 | OCLS | Sonoma Pharmaceuticals, Inc. | Alimi Hojabr | Director, Officer | BUY | $0.63 | 9,000 | $5,702 | 1,020,250 |
| 2012-12-07 21:07 | 2012-12-06 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $54.18 | 18,000 | $975,155 | 12,724,682 |
| 2012-12-08 03:21 | 2012-12-05 | UTMD | UTAH MEDICAL PRODUCTS INC | HOYER ERNST G | Director | SELL | $35.02 | 599 | $20,977 | 49,798 |
| 2012-12-08 00:25 | 2012-12-05 | BAX | BAXTER INTERNATIONAL INC | Devitt Blake E | Director | OPT+S | $64.72 | 6,156 | $398,416 | 19,717 |
| 2012-12-06 22:37 | 2012-12-04 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $54.24 | 18,000 | $976,356 | 12,742,682 |
| 2012-12-05 22:03 | 2012-12-03 | HAE | HAEMONETICS CORP | CONCANNON BRIAN | Director, Officer | OPT+S | $40.75 | 13,000 | $529,738 | 116,286 |
| 2012-12-06 00:38 | 2012-12-03 | PODD | INSULET CORP | ROBERTS BRIAN K | Officer | OPT+S | $21.92 | 10,000 | $219,249 | 77,995 |
| 2012-12-06 00:34 | 2012-12-03 | DXCM | DEXCOM INC | GREGG TERRANCE H | Director, Officer | SELL | $13.24 | 5,000 | $66,192 | 925,889 |
| 2012-12-05 01:33 | 2012-11-30 | UFPT | UFP TECHNOLOGIES INC | Pierce Robert W Jr | Director | BUY | $16.52 | 12,000 | $198,200 | 30,551 |
| 2012-12-05 01:38 | 2012-11-30 | UFPT | UFP TECHNOLOGIES INC | Stevenson David K | Director | OPT+S | $16.60 | 2,000 | $33,200 | 18,246 |
| 2012-12-05 01:36 | 2012-11-30 | ATRC | AtriCure, Inc. | Discovery Group I, LLC | 10% owner | SELL | $6.52 | 32,200 | $209,931 | 202,880 |
| 2012-12-04 19:26 | 2012-11-30 | ATEC | Alphatec Holdings, Inc. | CROSS LESLIE H | Director, Officer | BUY | $1.60 | 20,000 | $31,900 | 394,965 |
| 2012-12-05 01:32 | 2012-12-03 | UFPT | UFP TECHNOLOGIES INC | GESTAL KENNETH L | Director | SELL | $16.50 | 10,000 | $165,000 | 30,623 |
| 2012-12-05 04:11 | 2012-11-30 | UTMD | UTAH MEDICAL PRODUCTS INC | HOYER ERNST G | Director | SELL | $35.16 | 946 | $33,263 | 50,397 |
| 2012-12-05 03:03 | 2012-11-30 | ARAY | Accuray Incorporated | Londy Kelly | Officer | SELL | $6.12 | 2,600 | $15,920 | 48,200 |
| 2012-12-03 20:08 | 2012-11-29 | ATEC | Alphatec Holdings, Inc. | CROSS LESLIE H | Director, Officer | BUY | $1.55 | 10,819 | $16,769 | 374,965 |
| 2012-12-04 01:41 | 2012-11-30 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $54.29 | 18,000 | $977,267 | 12,760,682 |
| 2012-12-03 18:15 | 2012-11-30 | BDX | BECTON DICKINSON & CO | BECTON HENRY P JR | Director | SELL | $76.62 | 850 | $65,127 | 93,596 |
| 2012-12-03 17:36 | 2012-11-30 | WST | WEST PHARMACEUTICAL SERVICES INC | GAILEY JOHN R | Officer | OPT+S | $53.81 | 11,000 | $591,930 | 24,257 |
| 2012-12-04 00:22 | 2012-11-30 | CRY | Artivion Inc. | SEERY GERALD B | Officer | SELL | $5.94 | 4,360 | $25,906 | 71,999 |
| 2012-12-01 00:05 | 2012-11-28 | PDEX | PRO DEX INC | Holder David | Director | SELL | $1.93 | 966 | $1,861 | 966 |
| 2012-12-01 02:13 | 2012-11-28 | ATEC | Alphatec Holdings, Inc. | HEALTHPOINTCAPITAL PARTNERS II L P | 10% owner | SELL | $1.51 | 100,000 | $151,000 | 21,010,565 |
| 2012-12-01 02:10 | 2012-11-28 | ATEC | Alphatec Holdings, Inc. | HealthpointCapital Partners LP | 10% owner | SELL | $1.51 | 100,000 | $151,000 | 10,777,173 |
| 2012-12-01 02:07 | 2012-11-28 | ATEC | Alphatec Holdings, Inc. | HGP II, LLC | 10% owner | SELL | $1.51 | 100,000 | $151,000 | 21,010,565 |
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.