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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-03-25 00:53 | 2017-03-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $76.38 | 3,182 | $243,029 | 9,551 |
| 2017-03-25 00:53 | 2017-03-22 | DXCM | DEXCOM INC | ROPER JESS | Officer | SELL | $75.97 | 2,000 | $151,937 | 8,452 |
| 2017-03-24 03:28 | 2017-03-23 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director, Officer | BUY | $1.25 | 1,600,000 | $2,000,000 | 2,007,939 |
| 2017-03-23 23:41 | 2017-03-21 | OSUR | ORASURE TECHNOLOGIES INC | TANG STEPHEN S PHD | Director | SELL | $12.00 | 220 | $2,640 | 31,748 |
| 2017-03-22 00:22 | 2017-03-17 | ATRC | AtriCure, Inc. | LUX ANDREW L | Officer | OPT+S | $18.85 | 20,000 | $377,000 | 65,589 |
| 2017-03-22 00:52 | 2017-03-17 | NEPH | NEPHROS INC | Astor Andrew | Officer | BUY | $0.00 | 166,666 | $0 | 166,666 |
| 2017-03-22 00:52 | 2017-03-17 | NEPH | NEPHROS INC | Evans Daron | Director, Officer | BUY | $0.00 | 83,332 | $0 | 41,666 |
| 2017-03-22 01:03 | 2017-03-17 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | OPT+S | $77.82 | 10,000 | $778,158 | 343,680 |
| 2017-03-21 04:48 | 2017-03-17 | PLSE | PULSE BIOSCIENCES, INC. | Zanganeh Maky | Director | BUY | $23.34 | 18,240 | $425,669 | 46,714 |
| 2017-03-21 04:50 | 2017-03-16 | PLSE | PULSE BIOSCIENCES, INC. | DUGGAN ROBERT W | 10% owner | BUY | $23.56 | 205,127 | $4,831,931 | 2,378,486 |
| 2017-03-17 23:25 | 2017-03-15 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | VINHAIS JOSEPH | Officer | SELL | $43.48 | 1,670 | $72,603 | 10,202 |
| 2017-03-17 23:24 | 2017-03-15 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Coleman Glenn | Officer | SELL | $43.19 | 4,462 | $192,733 | 40,309 |
| 2017-03-17 18:56 | 2017-03-15 | TTOO | T2 Biosystems, Inc. | Elsbree David B | Director | BUY | $5.97 | 10,000 | $59,700 | 40,000 |
| 2017-03-16 23:06 | 2017-03-14 | NVCR | NovoCure Ltd | Perlhagen Gert L. | Director | BUY | $6.93 | 125,000 | $866,250 | 6,125,000 |
| 2017-03-17 01:04 | 2017-03-14 | DXCM | DEXCOM INC | KAHN BARBARA | Director | SELL | $77.36 | 3,000 | $232,080 | 21,304 |
| 2017-03-17 00:43 | 2017-03-15 | ICUI | ICU MEDICAL INC/DE | LOPEZ GEORGE A | Director, 10% owner | BUY | $155.60 | 12,000 | $1,867,242 | 577,716 |
| 2017-03-15 23:52 | 2017-03-13 | MDXG | MIMEDX GROUP, INC. | KOOB CHARLES E | Director | SELL | $8.50 | 50,486 | $429,136 | 1,312,306 |
| 2017-03-16 03:40 | 2017-03-09 | DXCM | DEXCOM INC | Leach Jacob Steven | Officer | OPT+S | $77.63 | 21,317 | $1,654,888 | 82,155 |
| 2017-03-15 23:33 | 2017-03-13 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | NIGON RICHARD | Director | BUY | $20.11 | 20,000 | $402,148 | 35,288 |
| 2017-03-16 03:24 | 2017-03-14 | CERS | CERUS CORP | Moore Carol | Officer | OPT+S | $4.15 | 2,377 | $9,865 | 25,583 |
| 2017-03-16 03:21 | 2017-03-14 | CERS | CERUS CORP | Menard Chrystal | Officer | OPT+S | $4.15 | 2,259 | $9,375 | 7,354 |
| 2017-03-16 03:18 | 2017-03-15 | CERS | CERUS CORP | Greenman William Mariner | Director, Officer | OPT+S | $4.21 | 8,786 | $36,990 | 316,938 |
| 2017-03-16 03:17 | 2017-03-15 | CERS | CERUS CORP | Green Kevin Dennis | Officer | OPT+S | $4.21 | 2,343 | $9,864 | 52,062 |
| 2017-03-16 03:15 | 2017-03-14 | CERS | CERUS CORP | Benjamin Richard J | Officer | OPT+S | $4.15 | 1,189 | $4,934 | 1,832 |
| 2017-03-15 02:47 | 2017-03-10 | GKOS | GLAUKOS Corp | SILVERSTEIN JONATHAN | Director | SELL | $45.33 | 382,538 | $17,339,223 | 16,435 |
| 2017-03-14 23:45 | 2017-03-13 | PODD | INSULET CORP | SOMMER REGINA O | Director | OPT+S | $45.00 | 40,000 | $1,800,132 | 20,330 |
| 2017-03-15 02:59 | 2017-03-13 | DXCM | DEXCOM INC | VALDES JORGE A | Officer | SELL | $77.74 | 14,400 | $1,119,514 | 10,442 |
| 2017-03-15 02:57 | 2017-03-10 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $77.71 | 3,200 | $248,672 | 129,463 |
| 2017-03-15 01:17 | 2017-03-14 | ICUI | ICU MEDICAL INC/DE | SHERMAN RICHARD MD | Director | SELL | $152.20 | 3,000 | $456,600 | 69,199 |
| 2017-03-15 02:39 | 2017-03-10 | GKOS | GLAUKOS Corp | ORBIMED ADVISORS LLC | Director | SELL | $45.33 | 382,538 | $17,339,223 | 16,435 |
| 2017-03-14 00:10 | 2017-03-09 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | SELL | $150.00 | 22,143 | $3,321,450 | 41,946 |
| 2017-03-14 01:17 | 2017-03-09 | SNOA | Sonoma Pharmaceuticals, Inc. | Miller Robert E | Officer | BUY | $7.02 | 750 | $5,267 | 8,464 |
| 2017-03-14 03:06 | 2017-03-09 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.27 | 9,500 | $2,600 | 2,418,916 |
| 2017-03-14 02:09 | 2017-03-13 | ICUI | ICU MEDICAL INC/DE | SWINNEY ROBERT S | Director | SELL | $155.09 | 646 | $100,188 | 14,644 |
| 2017-03-11 00:14 | 2017-03-10 | LMAT | LEMAITRE VASCULAR INC | Roberts David B | Director, Officer | SELL | $22.44 | 5,900 | $132,380 | 46,945 |
| 2017-03-11 04:49 | 2017-03-09 | DXCM | DEXCOM INC | LISTER JOHN | Officer | OPT+S | $77.67 | 3,000 | $233,002 | 93,732 |
| 2017-03-11 02:27 | 2017-03-10 | ICUI | ICU MEDICAL INC/DE | SWINNEY ROBERT S | Director | SELL | $151.23 | 1,235 | $186,774 | 15,290 |
| 2017-03-10 02:16 | 2017-03-08 | SNOA | Sonoma Pharmaceuticals, Inc. | Miller Robert E | Officer | BUY | $6.93 | 1,000 | $6,930 | 7,714 |
| 2017-03-09 00:11 | 2017-03-06 | MDXG | MIMEDX GROUP, INC. | Taylor William Charles | Director, Officer | SELL | $8.18 | 26,000 | $212,792 | 566,460 |
| 2017-03-09 00:26 | 2017-03-06 | SNOA | Sonoma Pharmaceuticals, Inc. | Umscheid Marc | Officer | BUY | $6.82 | 750 | $5,115 | 750 |
| 2017-03-09 01:52 | 2017-03-08 | ICUI | ICU MEDICAL INC/DE | SAUCEDO JOSEPH R | Director | SELL | $149.56 | 1,500 | $224,337 | 2,348 |
| 2017-03-08 23:51 | 2017-03-06 | RMD | RESMED INC | FARRELL PETER C | Director | OPT+S | $71.70 | 20,000 | $1,434,000 | 301,557 |
| 2017-03-09 00:57 | 2017-03-06 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.30 | 20,000 | $6,034 | 2,409,416 |
| 2017-03-09 01:19 | 2017-03-06 | PODD | INSULET CORP | Lemoine David A | Director | SELL | $45.15 | 1,282 | $57,882 | 8,938 |
| 2017-03-09 02:28 | 2017-03-06 | DXCM | DEXCOM INC | SKYLER JAY S | Director | OPT+S | $78.13 | 31,890 | $2,491,572 | 17,246 |
| 2017-03-08 02:12 | 2017-03-06 | ICUI | ICU MEDICAL INC/DE | Jain Vivek | Director, Officer | SELL | $150.00 | 589 | $88,350 | 64,089 |
| 2017-03-08 00:02 | 2017-03-03 | SNOA | Sonoma Pharmaceuticals, Inc. | Schutz James J | Director, Officer | BUY | $6.78 | 800 | $5,421 | 11,840 |
| 2017-03-08 02:52 | 2017-03-03 | GKOS | GLAUKOS Corp | SILVERSTEIN JONATHAN | Director | SELL | $47.05 | 55,772 | $2,624,073 | 20,044 |
| 2017-03-08 02:48 | 2017-03-03 | GKOS | GLAUKOS Corp | ORBIMED ADVISORS LLC | Director | SELL | $47.05 | 55,772 | $2,624,073 | 20,044 |
| 2017-03-07 04:05 | 2017-03-06 | ICUI | ICU MEDICAL INC/DE | Sanzone Virginia Ruth | Officer | SELL | $148.38 | 681 | $101,044 | 0 |
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.