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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-09-14 03:01 | 2021-09-09 | DXCM | DEXCOM INC | SAYER KEVIN R | Director, Officer | SELL | $541.36 | 3,017 | $1,633,280 | 102,705 |
| 2021-09-14 03:00 | 2021-09-09 | DXCM | DEXCOM INC | Patterson Chad | Officer | SELL | $541.37 | 291 | $157,538 | 9,900 |
| 2021-09-14 03:00 | 2021-09-09 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $541.37 | 1,263 | $683,747 | 47,822 |
| 2021-09-14 03:00 | 2021-09-09 | DXCM | DEXCOM INC | Murphy Patrick Michael | Officer | SELL | $541.36 | 987 | $534,327 | 16,254 |
| 2021-09-14 03:00 | 2021-09-09 | DXCM | DEXCOM INC | Leach Jacob Steven | Officer | SELL | $541.37 | 1,263 | $683,748 | 69,322 |
| 2021-09-14 03:00 | 2021-09-09 | DXCM | DEXCOM INC | Flynn Paul R | Officer | SELL | $549.07 | 1,378 | $756,621 | 10,928 |
| 2021-09-14 02:59 | 2021-09-09 | DXCM | DEXCOM INC | Abbey Donald | Officer | SELL | $541.37 | 1,263 | $683,747 | 48,674 |
| 2021-09-10 23:48 | 2021-09-08 | MMSI | MERIT MEDICAL SYSTEMS INC | Parra Raul Jr. | Officer | OPT+S | $72.01 | 4,000 | $288,020 | 2,343 |
| 2021-09-10 21:36 | 2021-09-09 | CMXC | Stimcell Energetics Inc. | HARGREAVES BRADLEY S | Director, Officer, 10% owner | SELL | $0.22 | 10,000 | $2,200 | 5,561,401 |
| 2021-09-10 16:22 | 2021-09-09 | BVS | Bioventus Inc. | Reali Kenneth Michael | Director, Officer | BUY | $14.81 | 1,800 | $26,658 | 11,175 |
| 2021-09-10 23:15 | 2021-09-08 | DXCM | DEXCOM INC | Blackford Quentin S. | Officer | SELL | $547.62 | 18,662 | $10,219,647 | 19,280 |
| 2021-09-09 23:56 | 2021-09-07 | HAE | HAEMONETICS CORP | Llorens Josep | Officer | SELL | $64.61 | 100 | $6,461 | 14,520 |
| 2021-09-10 02:13 | 2021-09-01 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | DST Capital LLC | 10% owner | BUY | $2.00 | 500,000 | $1,000,000 | 3,650,000 |
| 2021-09-09 20:36 | 2021-09-07 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $12.89 | 178 | $2,295 | 1,784,410 | |
| 2021-09-09 23:38 | 2021-09-07 | TNDM | TANDEM DIABETES CARE INC | Leal James | Officer | OPT+S | $123.00 | 3,574 | $439,602 | 3,751 |
| 2021-09-09 23:07 | 2021-09-07 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $34.82 | 10,000 | $348,201 | 886,050 |
| 2021-09-09 23:31 | 2021-09-07 | TNDM | TANDEM DIABETES CARE INC | TWOMEY CHRISTOPHER J | Director | SELL | $123.00 | 304 | $37,392 | 7,532 |
| 2021-09-09 23:18 | 2021-09-07 | SSKN | STRATA Skin Sciences, Inc. | SHAMIR NACHUM | Director | BUY | $1.45 | 71,420 | $103,673 | 207,792 |
| 2021-09-09 01:50 | 2021-09-07 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | OPT+S | $44.57 | 201,041 | $8,959,895 | 2,081,822 |
| 2021-09-09 01:54 | 2021-09-07 | DXCM | DEXCOM INC | Sylvain Jereme M | Officer | SELL | $545.41 | 587 | $320,156 | 13,933 |
| 2021-09-09 00:52 | 2021-09-08 | BDX | BECTON DICKINSON & CO | Spoerel Thomas J | Officer | SELL | $260.00 | 267 | $69,420 | 1,018 |
| 2021-09-09 00:40 | 2021-09-08 | BDX | BECTON DICKINSON & CO | Hickey David | Officer | SELL | $260.00 | 500 | $130,000 | 3,586 |
| 2021-09-08 17:47 | 2021-09-08 | BDX | BECTON DICKINSON & CO | RIMEL REBECCA W | Director | SELL | $260.00 | 500 | $130,000 | 10,618 |
| 2021-09-07 23:39 | 2021-09-02 | NVCR | NovoCure Ltd | Leonard Frank X | Officer | SELL | $138.23 | 540 | $74,645 | 87,153 |
| 2021-09-07 23:37 | 2021-09-02 | NVCR | NovoCure Ltd | Cordova Ashley | Officer | SELL | $138.23 | 828 | $114,456 | 41,967 |
| 2021-09-07 23:32 | 2021-09-02 | NVCR | NovoCure Ltd | Shah Pritesh | Officer | SELL | $138.57 | 657 | $91,041 | 73,512 |
| 2021-09-07 19:53 | 2021-09-02 | PETV | PetVivo Holdings, Inc. | Folkes Robert J. | Officer | BUY | $3.91 | 10,000 | $39,124 | 13,000 |
| 2021-09-07 23:12 | 2021-09-02 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | Arduini Peter J | Director, Officer | OPT+S | $75.88 | 118,434 | $8,987,127 | 216,713 |
| 2021-09-07 18:34 | 2021-09-02 | KIDS | ORTHOPEDIATRICS CORP | Hite Fred | Director, Officer | SELL | $71.50 | 5,000 | $357,500 | 65,805 |
| 2021-09-07 23:35 | 2021-09-02 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | SELL | $138.23 | 181 | $25,020 | 149,899 |
| 2021-09-07 23:05 | 2021-09-01 | RCEL | AVITA Medical, Inc. | PERRY MICHAEL S | Director, Officer | SELL | $20.68 | 11,220 | $232,030 | 237,638 |
| 2021-09-07 19:57 | 2021-09-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | SELL | $292.16 | 1,487 | $434,442 | 123,959 |
| 2021-09-07 16:46 | 2021-09-03 | BDX | BECTON DICKINSON & CO | Lim James C | Officer | OPT+S | $257.44 | 6,956 | $1,790,753 | 19,768 |
| 2021-09-03 22:28 | 2021-09-01 | RMD | RESMED INC | Sodhi Rajwant | Officer | SELL | $288.41 | 1,500 | $432,615 | 26,731 |
| 2021-09-04 03:27 | 2021-09-01 | PEN | Penumbra Inc | Roberts Johanna | Officer | OPT+S | $272.02 | 2,500 | $680,041 | 51,324 |
| 2021-09-04 03:26 | 2021-09-01 | PEN | Penumbra Inc | Pray James Robert | Officer | SELL | $271.77 | 5,000 | $1,358,848 | 413,431 |
| 2021-09-04 03:26 | 2021-09-01 | PEN | Penumbra Inc | Rothman Lynn | Officer | OPT+S | $271.81 | 5,300 | $1,440,616 | 32,637 |
| 2021-09-04 01:38 | 2021-09-02 | TNDM | TANDEM DIABETES CARE INC | TWOMEY CHRISTOPHER J | Director | SELL | $115.00 | 8,696 | $1,000,077 | 7,836 |
| 2021-09-04 00:08 | 2021-09-02 | TNDM | TANDEM DIABETES CARE INC | BLICKENSTAFF KIM D | Director | SELL | $113.36 | 28,700 | $3,253,418 | 202,390 |
| 2021-09-04 00:58 | 2021-09-01 | LUNG | Pulmonx Corp | Sung Derrick | Officer | SELL | $40.09 | 383 | $15,354 | 237,803 |
| 2021-09-04 00:55 | 2021-09-01 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $40.09 | 355 | $14,232 | 166,814 |
| 2021-09-04 00:53 | 2021-09-01 | LUNG | Pulmonx Corp | Lehman David Aaron | Officer | SELL | $40.09 | 383 | $15,354 | 17,217 |
| 2021-09-04 00:50 | 2021-09-01 | LUNG | Pulmonx Corp | French Glendon E. III | Director, Officer | SELL | $40.09 | 1,421 | $56,968 | 1,180,370 |
| 2021-09-03 17:01 | 2021-09-03 | BDX | BECTON DICKINSON & CO | RIMEL REBECCA W | Director | SELL | $257.10 | 500 | $128,550 | 11,118 |
| 2021-09-03 15:36 | 2021-09-02 | BDX | BECTON DICKINSON & CO | RIMEL REBECCA W | Director | SELL | $254.00 | 244 | $61,976 | 11,618 |
| 2021-09-02 22:01 | 2021-09-01 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $287.30 | 2,400 | $689,527 | 76,879 |
| 2021-09-03 02:19 | 2021-08-31 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $271.21 | 732 | $198,526 | 11,998 |
| 2021-09-02 23:31 | 2021-08-31 | CTSO | Cytosorbents Corp | Kraus Al | Director | OPT+S | $9.40 | 4,000 | $37,591 | 125,046 |
| 2021-09-02 00:28 | 2021-09-01 | BSX | BOSTON SCIENTIFIC CORP | Eddy Jodi Euerle | Officer | SELL | $45.33 | 728 | $33,000 | 20,419 |
| 2021-09-01 23:14 | 2021-08-31 | CRY | Artivion Inc. | Holloway Jean F | Officer | SELL | $26.49 | 663 | $17,566 | 86,567 |
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.