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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-02-02 04:03 | 2017-01-30 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $70.98 | 21,400 | $1,518,991 | 1,235,838 |
| 2017-02-02 03:59 | 2017-01-30 | PEN | Penumbra Inc | Rothman Lynn | Officer | SELL | $70.99 | 4,414 | $313,355 | 185,893 |
| 2017-02-02 03:57 | 2017-01-30 | PEN | Penumbra Inc | Bose Arani | Director, Officer | OPT+S | $70.97 | 21,400 | $1,518,852 | 732,191 |
| 2017-02-02 03:55 | 2017-01-30 | PEN | Penumbra Inc | Davis Daniel Donen | Officer | SELL | $71.00 | 7,298 | $518,144 | 51,049 |
| 2017-02-02 01:29 | 2017-01-17 | OSUR | ORASURE TECHNOLOGIES INC | SPAIR RONALD H | Director, Officer | SELL | $8.71 | 938 | $8,171 | 163,213 |
| 2017-02-01 00:57 | 2017-01-27 | REPR | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $0.43 | 7,700 | $3,311 | 5,772,900 |
| 2017-01-31 18:42 | 2017-01-30 | SYK | STRYKER CORP | FRANCESCONI LOUISE | Director | SELL | $122.34 | 3,716 | $454,623 | 16,642 |
| 2017-01-28 00:04 | 2017-01-25 | REPR | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $0.41 | 15,000 | $6,150 | 5,765,200 |
| 2017-01-28 04:31 | 2017-01-25 | PEN | Penumbra Inc | Rothman Lynn | Officer | SELL | $74.24 | 7,000 | $519,688 | 190,307 |
| 2017-01-28 04:29 | 2017-01-25 | PEN | Penumbra Inc | Davis Daniel Donen | Officer | SELL | $74.25 | 10,970 | $814,564 | 58,347 |
| 2017-01-28 04:26 | 2017-01-25 | PEN | Penumbra Inc | Elsesser Adam | Director, Officer | OPT+S | $74.13 | 31,500 | $2,335,016 | 1,235,838 |
| 2017-01-28 04:24 | 2017-01-25 | PEN | Penumbra Inc | Kassing Don W. | Director | SELL | $74.50 | 3,000 | $223,511 | 8,500 |
| 2017-01-28 04:22 | 2017-01-25 | PEN | Penumbra Inc | Bose Arani | Director, Officer | OPT+S | $74.12 | 31,500 | $2,334,922 | 732,191 |
| 2017-01-26 04:49 | 2017-01-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $79.50 | 3,182 | $252,978 | 15,915 |
| 2017-01-26 04:49 | 2017-01-23 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | OPT+S | $79.99 | 9,637 | $770,908 | 110,409 |
| 2017-01-25 00:01 | 2017-01-20 | REPR | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $0.42 | 45,000 | $18,900 | 5,750,200 |
| 2017-01-24 01:33 | 2017-01-18 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.31 | 10,000 | $3,100 | 2,360,432 |
| 2017-01-21 02:37 | 2017-01-18 | DXCM | DEXCOM INC | ROPER JESS | Officer | SELL | $85.01 | 3,012 | $256,051 | 12,785 |
| 2017-01-20 00:26 | 2017-01-17 | REPR | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $0.42 | 5,000 | $2,100 | 5,705,200 |
| 2017-01-20 01:22 | 2017-01-17 | RMD | RESMED INC | Hollingshead James | Officer | OPT+S | $64.44 | 7,084 | $456,493 | 39,670 |
| 2017-01-20 01:02 | 2017-01-17 | OSUR | ORASURE TECHNOLOGIES INC | SPAIR RONALD H | Director, Officer | SELL | $8.71 | 3,341 | $29,103 | 160,810 |
| 2017-01-20 04:33 | 2017-01-17 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | OPT+S | $85.94 | 10,000 | $859,362 | 299,391 |
| 2017-01-18 22:27 | 2017-01-13 | ADMD | VIVOS INC | Korenko Michael K | Officer | BUY | $0.15 | 700,000 | $105,000 | 717,500 |
| 2017-01-19 03:38 | 2017-01-13 | DXCM | DEXCOM INC | LISTER JOHN | Officer | OPT+S | $79.36 | 15,000 | $1,190,400 | 70,598 |
| 2017-01-19 03:37 | 2017-01-13 | DXCM | DEXCOM INC | VALDES JORGE A | Officer | OPT+S | $80.00 | 26,100 | $2,088,000 | 72,334 |
| 2017-01-14 01:04 | 2017-01-12 | GKOS | GLAUKOS Corp | Calcaterra Chris M. | Officer | OPT+S | $40.01 | 18,136 | $725,552 | 240,000 |
| 2017-01-14 01:04 | 2017-01-12 | GKOS | GLAUKOS Corp | HARRISON RICHARD L | Officer | OPT+S | $40.00 | 20,634 | $825,424 | 1,388 |
| 2017-01-14 00:39 | 2017-01-12 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.89 | 2,000,000 | $1,780,000 | 12,065,642 |
| 2017-01-13 00:46 | 2017-01-10 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.30 | 10,000 | $3,000 | 2,350,432 |
| 2017-01-13 03:21 | 2017-01-10 | DXCM | DEXCOM INC | Balo Andrew K | Officer | OPT+S | $62.86 | 3,200 | $201,152 | 106,345 |
| 2017-01-12 00:31 | 2017-01-09 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | SELL | $37.60 | 40,000 | $1,504,000 | 260,240 |
| 2017-01-12 00:30 | 2017-01-09 | GKOS | GLAUKOS Corp | Calcaterra Chris M. | Officer | OPT+S | $38.02 | 20,000 | $760,400 | 240,000 |
| 2017-01-12 03:33 | 2017-01-09 | DXCM | DEXCOM INC | LISTER JOHN | Officer | OPT+S | $63.02 | 3,000 | $189,046 | 70,598 |
| 2017-01-12 03:31 | 2017-01-09 | DXCM | DEXCOM INC | VALDES JORGE A | Officer | OPT+S | $63.02 | 10,900 | $686,905 | 72,334 |
| 2017-01-11 00:20 | 2017-01-06 | REPR | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $0.43 | 22,500 | $9,700 | 5,700,200 |
| 2017-01-11 00:08 | 2017-01-09 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $22.24 | 10,232 | $227,546 | 25,600 |
| 2017-01-11 00:06 | 2017-01-09 | BSX | BOSTON SCIENTIFIC CORP | Pratt Timothy A. | Officer | SELL | $22.24 | 6,195 | $137,769 | 231,273 |
| 2017-01-10 00:00 | 2017-01-06 | GKOS | GLAUKOS Corp | HARRISON RICHARD L | Officer | OPT+S | $35.58 | 20,634 | $734,143 | 1,388 |
| 2017-01-10 03:44 | 2017-01-03 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.28 | 58,500 | $16,573 | 2,340,432 |
| 2017-01-05 21:00 | 2017-01-04 | SYK | STRYKER CORP | Becker Yin C | Officer | OPT+S | $120.22 | 11,660 | $1,401,724 | 16,939 |
| 2017-01-06 01:24 | 2017-01-04 | RMD | RESMED INC | FARRELL PETER C | Director | OPT+S | $62.14 | 20,000 | $1,242,760 | 301,557 |
| 2017-01-05 00:25 | 2016-12-29 | REPR | KORU Medical Systems, Inc. | Manko Joseph M. Jr. | Director, 10% owner | BUY | $0.47 | 321,821 | $150,838 | 5,677,700 |
| 2017-01-05 00:01 | 2017-01-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $61.95 | 6,365 | $394,312 | 77,896 |
| 2016-12-30 21:03 | 2016-12-29 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.26 | 4,500 | $1,185 | 2,281,932 |
| 2016-12-28 23:03 | 2016-12-28 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $120.60 | 5,194 | $626,410 | 7,789,916 |
| 2016-12-29 04:12 | 2016-12-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $62.17 | 3,182 | $197,831 | 19,097 |
| 2016-12-28 03:50 | 2016-12-22 | SYK | STRYKER CORP | STRYKER RONDA E | Director | SELL | $120.50 | 18,000 | $2,168,951 | 7,795,110 |
| 2016-12-24 00:05 | 2016-12-21 | TFX | TELEFLEX INC | GRAVES JEFFREY A | Director | OPT+S | $160.57 | 5,000 | $802,850 | 8,022 |
| 2016-12-23 22:25 | 2016-12-21 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.25 | 7,500 | $1,900 | 2,277,432 |
| 2016-12-23 00:59 | 2016-12-21 | NVCR | NovoCure Ltd | Ambrogi Michael J. | Officer | SELL | $8.27 | 27,500 | $227,304 | 131,584 |
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.