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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-02-26 02:19 | 2020-02-24 | TTOO | T2 Biosystems, Inc. | Lowery Thomas J. | Officer | OPT+S | $0.82 | 5,808 | $4,763 | 68,994 |
| 2020-02-26 01:30 | 2020-02-21 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Arduini Peter J | Director, Officer | OPT+S | $58.21 | 83,548 | $4,863,112 | 242,575 |
| 2020-02-26 05:21 | 2020-02-24 | IRMD | IRADIMED CORP | JOHNSON BRENT | Officer | OPT+S | $26.52 | 12,776 | $338,791 | 2,940 |
| 2020-02-26 00:38 | 2020-02-24 | CRY | Artivion Inc. | McCall Ronald D | Director | SELL | $26.05 | 4,734 | $123,340 | 127,865 |
| 2020-02-24 18:33 | 2020-02-21 | MMM | 3M CO | Silberhorn Ty R | Officer | OPT+S | $158.19 | 1,967 | $311,160 | 1,882 |
| 2020-02-25 00:35 | 2020-02-21 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Officer | OPT+S | $87.86 | 30,000 | $2,635,887 | 2,501 |
| 2020-02-25 01:06 | 2020-02-20 | IRMD | IRADIMED CORP | Nardi Steven M. | Officer | SELL | $26.19 | 1,715 | $44,916 | 0 |
| 2020-02-24 16:14 | 2020-02-21 | ATRC | AtriCure, Inc. | Wade M. Andrew | Officer | OPT+S | $39.45 | 45,000 | $1,775,399 | 145,120 |
| 2020-02-25 01:49 | 2020-02-24 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.64 | 1,700 | $2,788 | 14,479,358 |
| 2020-02-25 00:01 | 2020-02-20 | LMAT | LEMAITRE VASCULAR INC | Kamke Trent G | Officer | OPT+S | $31.00 | 14,225 | $440,975 | 35,362 |
| 2020-02-25 00:19 | 2020-02-20 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | SELL | $63.62 | 2,106 | $133,984 | 58,900 |
| 2020-02-22 01:13 | 2020-02-21 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.70 | 500 | $850 | 14,477,658 |
| 2020-02-21 04:03 | 2020-02-18 | PEN | Penumbra Inc | Kosaraju Sridhar | Officer | SELL | $190.70 | 2,500 | $476,761 | 160,351 |
| 2020-02-21 00:06 | 2020-02-18 | IRMD | IRADIMED CORP | JOHNSON BRENT | Officer | OPT+S | $26.00 | 19,559 | $508,534 | 2,940 |
| 2020-02-21 00:04 | 2020-02-18 | IRMD | IRADIMED CORP | ALLEN MONTY K | Director | OPT+S | $26.05 | 5,000 | $130,257 | 21,283 |
| 2020-02-21 03:57 | 2020-02-18 | SIBN | SI-BONE, Inc. | FRANCIS LAURA | Officer | OPT+S | $20.53 | 10,594 | $217,544 | 138,528 |
| 2020-02-21 02:23 | 2020-02-18 | DXCM | DEXCOM INC | MOY JEFFREY | Officer | SELL | $286.91 | 6,599 | $1,893,318 | 25,220 |
| 2020-02-21 02:17 | 2020-02-18 | DXCM | DEXCOM INC | Collins Richard Alexander | Director | SELL | $284.40 | 4,000 | $1,137,600 | 5,304 |
| 2020-02-20 01:28 | 2020-02-19 | BSX | BOSTON SCIENTIFIC CORP | Ballinger Kevin J. | Officer | SELL | $42.31 | 1,757 | $74,339 | 95,868 |
| 2020-02-20 01:32 | 2020-02-19 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $42.31 | 1,511 | $63,930 | 32,540 |
| 2020-02-19 21:11 | 2020-02-18 | MMM | 3M CO | Vale Michael G. | Officer | SELL | $159.17 | 6,250 | $994,803 | 52,604 |
| 2020-02-20 00:10 | 2020-02-18 | RMD | RESMED INC | Douglas Robert Andrew | Officer | SELL | $176.14 | 1,133 | $199,567 | 191,774 |
| 2020-02-19 22:32 | 2020-02-18 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $176.14 | 2,500 | $440,350 | 97,211 |
| 2020-02-20 00:32 | 2020-02-19 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.68 | 1,000 | $1,680 | 14,477,158 |
| 2020-02-18 16:07 | 2020-02-14 | ATRC | AtriCure, Inc. | CARREL MICHAEL H | Director, Officer | OPT+S | $44.00 | 25,000 | $1,100,000 | 626,490 |
| 2020-02-19 00:41 | 2020-02-18 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.66 | 2,650 | $4,399 | 14,476,158 |
| 2020-02-19 02:58 | 2020-02-14 | DXCM | DEXCOM INC | AUGUSTINOS NICHOLAS | Director | SELL | $283.80 | 1,812 | $514,246 | 3,230 |
| 2020-02-15 00:15 | 2020-02-12 | DRIO | DarioHealth Corp. | Shaked Yoav | Director | BUY | $0.00 | 60,000 | $0 | 83,328 |
| 2020-02-15 00:15 | 2020-02-12 | DRIO | DarioHealth Corp. | Karah Hila | Director | BUY | $0.00 | 30,000 | $0 | 43,015 |
| 2020-02-15 00:15 | 2020-02-12 | DRIO | DarioHealth Corp. | Kamer Allen | Director | BUY | $0.00 | 7,000 | $0 | 14,864 |
| 2020-02-15 00:15 | 2020-02-12 | DRIO | DarioHealth Corp. | Raphael Erez | Director, Officer | BUY | $0.00 | 351,546 | $0 | 488,574 |
| 2020-02-15 00:16 | 2020-02-13 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $82.67 | 16,000 | $1,322,693 | 3,311 |
| 2020-02-15 01:32 | 2020-02-12 | IRMD | IRADIMED CORP | Waldman Louis S. | Officer | OPT+S | $25.48 | 4,307 | $109,742 | 0 |
| 2020-02-14 16:40 | 2020-02-13 | ATRC | AtriCure, Inc. | CARREL MICHAEL H | Director, Officer | OPT+S | $43.00 | 25,000 | $1,075,000 | 626,490 |
| 2020-02-15 00:31 | 2020-02-12 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $68.50 | 3,750 | $256,875 | 47,528 |
| 2020-02-14 01:17 | 2020-02-13 | BSX | BOSTON SCIENTIFIC CORP | Brennan Daniel J. | Officer | OPT+S | $42.03 | 20,463 | $860,041 | 230,247 |
| 2020-02-14 04:41 | 2020-02-11 | PEN | Penumbra Inc | Rothman Lynn | Officer | OPT+S | $185.25 | 5,000 | $926,250 | 12,332 |
| 2020-02-14 04:38 | 2020-02-11 | PEN | Penumbra Inc | Bose Arani | Director, Officer | SELL | $185.30 | 10,000 | $1,853,000 | 580,662 |
| 2020-02-14 01:54 | 2020-02-11 | CERS | CERUS CORP | MOORE TIMOTHY L. | Director | BUY | $4.75 | 3,614 | $17,165 | 7,911 |
| 2020-02-14 01:48 | 2020-01-29 | CERS | CERUS CORP | MOORE TIMOTHY L. | Director | BUY | $0.00 | 0 | $0 | 4,297 |
| 2020-02-13 00:24 | 2020-02-10 | RMD | RESMED INC | McHale Richard | Officer | SELL | $172.63 | 3,000 | $517,904 | 17,670 |
| 2020-02-13 01:35 | 2020-02-11 | TTOO | T2 Biosystems, Inc. | Lowery Thomas J. | Officer | OPT+S | $0.77 | 3,200 | $2,464 | 64,802 |
| 2020-02-13 01:31 | 2020-02-11 | TTOO | T2 Biosystems, Inc. | Gibbs Michael Terrence | Officer | OPT+S | $0.77 | 3,200 | $2,464 | 56,587 |
| 2020-02-12 20:32 | 2020-02-10 | RMD | RESMED INC | Farrell Michael J. | Officer | OPT+S | $172.21 | 6,647 | $1,144,663 | 354,700 |
| 2020-02-13 00:16 | 2020-02-10 | TNDM | TANDEM DIABETES CARE INC | Vosseller Leigh | Officer | OPT+S | $80.04 | 10,000 | $800,353 | 3,265 |
| 2020-02-13 02:30 | 2020-02-12 | PDEX | PRO DEX INC | Charlton Alisha | Officer | SELL | $19.59 | 2,300 | $45,048 | 2,478 |
| 2020-02-12 16:08 | 2020-02-10 | ATRC | AtriCure, Inc. | CARREL MICHAEL H | Director, Officer | OPT+S | $41.50 | 50,000 | $2,075,000 | 626,490 |
| 2020-02-12 22:26 | 2020-02-11 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.55 | 500 | $775 | 14,473,508 |
| 2020-02-13 00:16 | 2020-02-10 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director, Officer | SELL | $21.14 | 20,000 | $422,700 | 385,940 |
| 2020-02-13 00:22 | 2020-02-10 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $58.63 | 2,330 | $136,608 | 38,871 |
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.