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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018-09-13 04:20 | 2018-09-10 | DXCM | DEXCOM INC | Leach Jacob Steven | Officer | SELL | $143.76 | 4,614 | $663,286 | 94,284 |
| 2018-09-13 04:19 | 2018-09-10 | DXCM | DEXCOM INC | ACE HEATHER S | Officer | SELL | $143.76 | 1,832 | $263,360 | 69,339 |
| 2018-09-13 04:19 | 2018-09-10 | DXCM | DEXCOM INC | Abbey Donald | Officer | SELL | $143.76 | 2,303 | $331,068 | 98,639 |
| 2018-09-13 04:18 | 2018-09-10 | DXCM | DEXCOM INC | Blackford Quentin S. | Officer | SELL | $143.76 | 7,149 | $1,027,706 | 95,571 |
| 2018-09-13 04:17 | 2018-09-10 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | OPT+S | $143.62 | 25,495 | $3,661,574 | 320,837 |
| 2018-09-12 22:26 | 2018-09-10 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $35.61 | 3,443 | $122,605 | 511,095 |
| 2018-09-12 23:59 | 2018-09-10 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | SELL | $70.05 | 5,000 | $350,272 | 113,236 |
| 2018-09-11 23:29 | 2018-09-10 | BSX | BOSTON SCIENTIFIC CORP | Wang Xin Warren | Officer | SELL | $35.86 | 10,000 | $358,595 | 92,162 |
| 2018-09-11 23:22 | 2018-09-10 | BSX | BOSTON SCIENTIFIC CORP | Sorenson John Bradley | Officer | OPT+S | $35.86 | 10,000 | $358,607 | 34,636 |
| 2018-09-11 22:40 | 2018-09-10 | MMM | 3M CO | Hammes Eric D. | Officer | OPT+S | $216.00 | 1,272 | $274,752 | 4,362 |
| 2018-09-11 23:28 | 2018-09-10 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | SELL | $35.88 | 116,666 | $4,186,104 | 2,023,104 |
| 2018-09-12 00:11 | 2018-09-10 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.67 | 13,290 | $8,934 | 13,675,614 |
| 2018-09-10 18:23 | 2018-09-07 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.69 | 10,010 | $6,916 | 13,662,324 |
| 2018-09-10 21:11 | 2018-09-06 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $35.52 | 15,110 | $536,689 | 514,538 |
| 2018-09-11 02:46 | 2018-09-10 | CERS | CERUS CORP | Green Kevin Dennis | Officer | OPT+S | $7.24 | 2,783 | $20,141 | 60,825 |
| 2018-09-07 23:05 | 2018-09-05 | OFIX | Orthofix Medical Inc. | Mason Brad | Director, Officer | SELL | $53.02 | 2,500 | $132,555 | 147,841 |
| 2018-09-08 00:25 | 2018-09-05 | REPR | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $1.35 | 68,670 | $92,437 | 6,360,723 |
| 2018-09-08 00:58 | 2018-09-05 | INFU | InfuSystem Holdings, Inc | Shuda Scott | Director, 10% owner | BUY | $3.24 | 23,406 | $75,878 | 3,442,719 |
| 2018-09-08 04:55 | 2018-09-05 | CTSO | Cytosorbents Corp | Chan Phillip P. | Director, Officer | OPT+S | $14.65 | 11,418 | $167,246 | 438,281 |
| 2018-09-07 22:48 | 2018-09-06 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.69 | 1,500 | $1,037 | 13,652,314 |
| 2018-09-06 19:28 | 2018-09-05 | SYK | STRYKER CORP | Owen Katherine Ann | Officer | OPT+S | $166.84 | 37,866 | $6,317,707 | 7,729 |
| 2018-09-06 22:47 | 2018-09-05 | KIDS | ORTHOPEDIATRICS CORP | Gerritzen Daniel J | Officer | OPT+S | $33.73 | 9,525 | $321,255 | 23,218 |
| 2018-09-06 17:24 | 2018-09-05 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.69 | 1,500 | $1,035 | 13,650,814 |
| 2018-09-06 21:21 | 2018-09-05 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $35.64 | 590 | $21,028 | 529,648 |
| 2018-09-06 23:53 | 2018-09-04 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | OPT+S | $67.42 | 3,044 | $205,240 | 118,236 |
| 2018-09-06 23:21 | 2018-09-05 | CRY | Artivion Inc. | RONALD C ELKINS | Director | SELL | $34.53 | 5,000 | $172,672 | 64,843 |
| 2018-09-05 20:58 | 2018-09-04 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $111.59 | 600 | $66,954 | 71,223 |
| 2018-09-05 23:15 | 2018-09-04 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | OPT+S | $36.02 | 5,000 | $180,100 | 24,201 |
| 2018-09-05 20:59 | 2018-09-04 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $111.26 | 2,810 | $312,641 | 104,251 |
| 2018-09-06 01:14 | 2018-09-04 | PODD | INSULET CORP | Petrovic Shacey | Officer | SELL | $104.26 | 960 | $100,090 | 87,333 |
| 2018-09-05 21:09 | 2018-09-04 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $35.71 | 5,083 | $181,533 | 530,238 |
| 2018-09-05 01:59 | 2018-08-30 | CRY | Artivion Inc. | Capps Scott B | Officer | OPT+S | $34.10 | 6,332 | $215,921 | 141,087 |
| 2018-09-05 03:40 | 2018-08-30 | PEN | Penumbra Inc | Pray James Robert | Officer | SELL | $135.34 | 8,125 | $1,099,668 | 485,431 |
| 2018-09-05 02:03 | 2018-08-31 | TFX | TELEFLEX INC | POWELL THOMAS E | Officer | OPT+S | $247.55 | 5,200 | $1,287,272 | 10,151 |
| 2018-09-04 22:07 | 2018-08-30 | UFPT | UFP TECHNOLOGIES INC | LATAILLE RONALD J | Officer | SELL | $36.04 | 10,548 | $380,147 | 65,331 |
| 2018-09-04 23:40 | 2018-09-04 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.70 | 4,037 | $2,838 | 13,649,314 |
| 2018-09-04 22:07 | 2018-08-31 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $35.50 | 20,941 | $743,406 | 535,321 |
| 2018-09-01 00:42 | 2018-08-29 | INFU | InfuSystem Holdings, Inc | Shuda Scott | Director, 10% owner | BUY | $3.16 | 72,479 | $228,823 | 3,419,313 |
| 2018-08-31 19:31 | 2018-08-29 | GKOS | GLAUKOS Corp | Kliman Gilbert H | Director | SELL | $60.39 | 502,760 | $30,359,967 | 4,633 |
| 2018-09-01 03:19 | 2018-08-30 | CTSO | Cytosorbents Corp | Kraus Al | Director | OPT+S | $14.47 | 26,000 | $376,282 | 125,046 |
| 2018-08-31 22:35 | 2018-08-29 | CTSO | Cytosorbents Corp | Capponi Vincent | Officer | OPT+S | $14.00 | 20,000 | $280,000 | 332,768 |
| 2018-08-31 23:08 | 2018-08-30 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.72 | 700 | $505 | 13,645,277 |
| 2018-09-01 03:22 | 2018-08-29 | PEN | Penumbra Inc | Evans Robert D. | Officer | OPT+S | $135.08 | 3,000 | $405,237 | 15,667 |
| 2018-08-30 23:09 | 2018-08-28 | NVCR | NovoCure Ltd | Palti Yoram | Director, Officer | SELL | $40.27 | 4,334 | $174,549 | 1,041,054 |
| 2018-08-30 23:20 | 2018-08-28 | SRTS | Sensus Healthcare, Inc. | Golin Richard | Officer | SELL | $7.50 | 892 | $6,690 | 932,925 |
| 2018-08-30 23:19 | 2018-08-28 | SRTS | Sensus Healthcare, Inc. | Fishman Kalman | Officer | SELL | $7.50 | 892 | $6,690 | 932,925 |
| 2018-08-30 23:17 | 2018-08-28 | SRTS | Sensus Healthcare, Inc. | Cohen Stephen Brad | Officer | SELL | $7.50 | 892 | $6,690 | 932,925 |
| 2018-08-30 23:15 | 2018-08-28 | SRTS | Sensus Healthcare, Inc. | Levine Arthur | Officer | SELL | $7.50 | 86 | $645 | 201,503 |
| 2018-08-30 23:22 | 2018-08-28 | SRTS | Sensus Healthcare, Inc. | Sardano Joseph C | Director, Officer | SELL | $7.50 | 1,488 | $11,160 | 1,541,558 |
| 2018-08-30 23:01 | 2018-08-28 | CTSO | Cytosorbents Corp | Capponi Vincent | Officer | OPT+S | $13.00 | 9,565 | $124,345 | 332,768 |
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.