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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-07-07 23:40 | 2020-07-06 | TNDM | TANDEM DIABETES CARE INC | BERGER DAVID B | Officer | OPT+S | $101.66 | 2,000 | $203,310 | 4,566 |
| 2020-07-07 23:40 | 2020-07-02 | TNDM | TANDEM DIABETES CARE INC | TWOMEY CHRISTOPHER J | Director | SELL | $100.28 | 7,500 | $752,074 | 20,000 |
| 2020-07-07 22:14 | 2020-07-06 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $194.64 | 5,919 | $1,152,090 | 133,942 |
| 2020-07-06 18:14 | 2020-07-01 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $189.63 | 2,400 | $455,112 | 89,874 |
| 2020-07-06 23:10 | 2020-07-03 | DRIO | DarioHealth Corp. | STERN ADAM K | Director | BUY | $6.66 | 639 | $4,256 | 19,049 |
| 2020-07-06 15:21 | 2020-07-01 | ATRC | AtriCure, Inc. | Collar Mark A | Director | SELL | $44.60 | 4,000 | $178,400 | 81,558 |
| 2020-07-02 21:15 | 2020-07-01 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $189.49 | 1,500 | $284,235 | 29,761 |
| 2020-07-02 23:20 | 2020-06-30 | HAE | HAEMONETICS CORP | Simon, Christopher | Director, Officer | SELL | $87.79 | 5,084 | $446,324 | 365,310 |
| 2020-07-03 01:19 | 2020-06-30 | TNDM | TANDEM DIABETES CARE INC | Vosseller Leigh | Officer | OPT+S | $97.74 | 20,000 | $1,954,750 | 4,520 |
| 2020-07-03 01:20 | 2020-06-30 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director | SELL | $95.57 | 50,000 | $4,778,400 | 584,593 |
| 2020-07-03 00:39 | 2020-07-02 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $6.59 | 700 | $4,613 | 14,561,689 |
| 2020-07-02 02:02 | 2020-06-29 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $108.71 | 11,264 | $1,224,489 | 16,003 |
| 2020-07-01 01:15 | 2020-06-30 | INFU | InfuSystem Holdings, Inc | Meridian OHC Partners, LP | Director, 10% owner | SELL | $11.00 | 400,000 | $4,400,000 | 2,823,087 |
| 2020-06-30 23:53 | 2020-06-30 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $6.82 | 400 | $2,728 | 14,560,989 |
| 2020-06-29 15:30 | 2020-06-25 | XAIR | Beyond Air, Inc. | Lisi Steven A. | Director, Officer | BUY | $7.45 | 35,000 | $260,750 | 870,763 |
| 2020-06-29 22:43 | 2020-06-25 | KIDS | ORTHOPEDIATRICS CORP | Throdahl Mark C | Director, Officer | SELL | $42.88 | 13,389 | $574,120 | 171,557 |
| 2020-06-30 01:22 | 2020-06-25 | INFU | InfuSystem Holdings, Inc | Meridian OHC Partners, LP | Director, 10% owner | SELL | $12.25 | 116,673 | $1,429,023 | 3,223,087 |
| 2020-06-30 01:53 | 2020-06-25 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $40.66 | 2,331 | $94,778 | 38,906 |
| 2020-06-27 00:11 | 2020-06-25 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $6.83 | 1,100 | $7,518 | 14,560,589 |
| 2020-06-27 03:06 | 2020-06-25 | CERS | CERUS CORP | Moore Carol | Officer | OPT+S | $7.00 | 130,000 | $910,000 | 111,751 |
| 2020-06-26 01:01 | 2020-06-23 | INSP | Inspire Medical Systems, Inc. | Jandrich Steven | Officer | OPT+S | $96.39 | 1,000 | $96,390 | 1,805 |
| 2020-06-26 01:01 | 2020-06-23 | INSP | Inspire Medical Systems, Inc. | Buchholz Richard | Officer | OPT+S | $97.25 | 12,000 | $1,167,008 | 30,871 |
| 2020-06-26 00:12 | 2020-06-23 | PLSE | PULSE BIOSCIENCES, INC. | Zanganeh Maky | Director | BUY | $10.70 | 1,193 | $12,767 | 106,767 |
| 2020-06-26 01:45 | 2020-06-23 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $409.37 | 1,531 | $626,750 | 75,939 |
| 2020-06-26 01:45 | 2020-06-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $409.41 | 1,531 | $626,807 | 4,591 |
| 2020-06-24 23:20 | 2020-06-22 | GMED | GLOBUS MEDICAL INC | Douglas Robert Andrew | Director | BUY | $48.20 | 700 | $33,740 | 700 |
| 2020-06-24 03:43 | 2020-06-22 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $126.47 | 11,264 | $1,424,552 | 16,003 |
| 2020-06-24 00:32 | 2020-06-22 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $6.06 | 300 | $1,818 | 14,559,489 |
| 2020-06-24 02:10 | 2020-06-22 | PSTV | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Officer | BUY | $2.10 | 5,000 | $10,500 | 5,167 |
| 2020-06-23 23:00 | 2020-06-19 | BAX | BAXTER INTERNATIONAL INC | Accogli Giuseppe | Officer | OPT+S | $85.00 | 72,341 | $6,148,985 | 66,520 |
| 2020-06-22 23:12 | 2020-06-18 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | CARUSO RICHARD E | 10% owner | SELL | $48.47 | 600,000 | $29,082,000 | 10,291,205 |
| 2020-06-19 23:22 | 2020-06-17 | PLSE | PULSE BIOSCIENCES, INC. | Zanganeh Maky | Director | BUY | $7.01 | 7,950 | $55,730 | 105,574 |
| 2020-06-19 23:10 | 2020-06-18 | SIBN | SI-BONE, Inc. | FRANCIS LAURA | Officer | OPT+S | $17.12 | 9,971 | $170,737 | 139,221 |
| 2020-06-19 02:32 | 2020-06-16 | ATEC | Alphatec Holdings, Inc. | TULLIS JAMES L L | Director | SELL | $5.15 | 38,000 | $195,700 | 715,828 |
| 2020-06-19 01:23 | 2020-06-16 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | OPT+S | $17.49 | 3,000 | $52,456 | 73,268 |
| 2020-06-19 04:07 | 2020-06-15 | INSP | Inspire Medical Systems, Inc. | NELSON MARILYN C | Director | SELL | $83.96 | 35,000 | $2,938,488 | 176,517 |
| 2020-06-17 22:24 | 2020-06-15 | SYK | STRYKER CORP | Boehnlein Glenn S | Officer | SELL | $185.24 | 10,351 | $1,917,375 | 16,321 |
| 2020-06-17 23:15 | 2020-06-15 | INSP | Inspire Medical Systems, Inc. | Tansey Casey M | Director | SELL | $84.04 | 100,000 | $8,404,260 | 30,681 |
| 2020-06-18 03:14 | 2020-06-15 | IRTC | iRhythm Holdings, Inc. | Vort David A | Officer | OPT+S | $110.66 | 11,264 | $1,246,510 | 16,003 |
| 2020-06-18 01:01 | 2020-06-15 | DXCM | DEXCOM INC | Balo Andrew K | Officer | SELL | $366.47 | 6,522 | $2,390,096 | 45,376 |
| 2020-06-18 01:01 | 2020-06-15 | DXCM | DEXCOM INC | AUGUSTINOS NICHOLAS | Director | SELL | $366.65 | 1,875 | $687,463 | 15,717 |
| 2020-06-17 23:02 | 2020-06-15 | BAX | BAXTER INTERNATIONAL INC | FORSYTH JOHN D | Director | OPT+S | $82.95 | 1,500 | $124,425 | 33,898 |
| 2020-06-17 00:55 | 2020-06-12 | HAE | HAEMONETICS CORP | Goldstein Dan | Officer | SELL | $90.25 | 4,456 | $402,170 | 1,849 |
| 2020-06-17 00:53 | 2020-06-12 | HAE | HAEMONETICS CORP | Scanlan Jacqueline | Officer | OPT+S | $90.02 | 15,402 | $1,386,496 | 4,487 |
| 2020-06-17 01:19 | 2020-06-12 | HAE | HAEMONETICS CORP | Basil Michelle L | Officer | SELL | $89.56 | 24,217 | $2,168,928 | 16,173 |
| 2020-06-17 01:16 | 2020-06-12 | HAE | HAEMONETICS CORP | Burke William P. Mr. | Officer | SELL | $89.58 | 22,531 | $2,018,293 | 12,498 |
| 2020-06-17 00:51 | 2020-06-12 | HAE | HAEMONETICS CORP | Simon, Christopher | Director, Officer | SELL | $87.75 | 47,017 | $4,125,906 | 370,394 |
| 2020-06-16 21:38 | 2020-06-12 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Christianson Mark | Officer | SELL | $0.60 | 334,000 | $200,400 | 1,089,206 |
| 2020-06-17 02:45 | 2020-06-15 | RMD | RESMED INC | Douglas Robert Andrew | Officer | SELL | $158.79 | 1,245 | $197,694 | 186,743 |
| 2020-06-17 02:43 | 2020-06-15 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $158.79 | 2,500 | $396,975 | 87,296 |
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.