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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018-05-08 23:26 | 2018-05-03 | CRY | Artivion Inc. | RONALD C ELKINS | Director | SELL | $24.00 | 2,000 | $48,000 | 95,849 |
| 2018-05-07 16:28 | 2018-05-03 | CODX | Co-Diagnostics, Inc. | Satterfield Brent | Director, Officer, 10% owner | BUY | $1.91 | 500 | $955 | 2,273,695 |
| 2018-05-07 17:40 | 2018-05-04 | SYK | STRYKER CORP | Carpenter Lonny J | Officer | SELL | $166.42 | 5,000 | $832,103 | 101,675 |
| 2018-05-07 15:50 | 2018-05-03 | OFIX | Orthofix Medical Inc. | MATRICARIA RONALD A | Director | BUY | $51.97 | 10,000 | $519,724 | 101,613 |
| 2018-05-07 18:26 | 2018-05-03 | UTMD | UTAH MEDICAL PRODUCTS INC | HOYER ERNST G | Director | SELL | $104.04 | 1,752 | $182,272 | 18,248 |
| 2018-05-04 18:11 | 2018-05-02 | IRMD | IRADIMED CORP | ALLEN MONTY K | Director | SELL | $17.94 | 1,899 | $34,068 | 19,972 |
| 2018-05-05 03:03 | 2018-05-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | OPT+S | $95.91 | 2,810 | $269,507 | 95,233 |
| 2018-05-04 23:41 | 2018-05-04 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.86 | 2,600 | $2,238 | 13,434,291 |
| 2018-05-04 23:34 | 2018-05-02 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Blake Lynn Larson | Officer | SELL | $34.74 | 766 | $26,611 | 63,147 |
| 2018-05-03 23:34 | 2018-05-01 | NVCR | NovoCure Ltd | Ambrogi Michael J. | Officer | OPT+S | $27.40 | 60,000 | $1,644,000 | 146,558 |
| 2018-05-03 17:05 | 2018-05-01 | UFPT | UFP TECHNOLOGIES INC | Smith W David | Officer | OPT+S | $33.02 | 7,058 | $233,055 | 12,551 |
| 2018-05-03 23:30 | 2018-05-01 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | SELL | $27.58 | 30,470 | $840,363 | 208,591 |
| 2018-05-04 03:15 | 2018-05-01 | PEN | Penumbra Inc | Evans Robert D. | Officer | OPT+S | $125.69 | 5,000 | $628,456 | 12,225 |
| 2018-05-04 00:14 | 2018-05-01 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | OPT+S | $34.75 | 3,044 | $105,781 | 119,403 |
| 2018-05-02 19:45 | 2018-05-01 | RMD | RESMED INC | Hollingshead James | Officer | SELL | $94.69 | 600 | $56,814 | 61,261 |
| 2018-05-02 23:08 | 2018-05-01 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | OPT+S | $28.80 | 5,000 | $143,982 | 24,201 |
| 2018-05-02 16:38 | 2018-04-30 | SYK | STRYKER CORP | Doliveux Roch | Director | BUY | $171.27 | 43 | $7,365 | 19,560 |
| 2018-05-03 00:04 | 2018-05-01 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.87 | 3,500 | $3,028 | 13,431,691 |
| 2018-05-03 01:36 | 2018-05-01 | PODD | INSULET CORP | Lemoine David A | Director | SELL | $84.93 | 1,084 | $92,064 | 8,398 |
| 2018-05-01 23:08 | 2018-04-30 | IART | INTEGRA LIFESCIENCES HOLDINGS CORP | REUVERS DANIEL L. | Officer | SELL | $62.04 | 1,000 | $62,045 | 26,009 |
| 2018-05-01 23:55 | 2018-04-30 | UFPT | UFP TECHNOLOGIES INC | Smith W David | Officer | OPT+S | $33.20 | 2,242 | $74,434 | 12,551 |
| 2018-05-01 00:56 | 2018-04-26 | NVCR | NovoCure Ltd | Ambrogi Michael J. | Officer | OPT+S | $26.01 | 20,000 | $520,142 | 146,558 |
| 2018-05-01 00:03 | 2018-04-26 | NVCR | NovoCure Ltd | Palti Yoram | Director, Officer | SELL | $26.09 | 20,966 | $547,013 | 1,161,054 |
| 2018-05-01 03:59 | 2018-04-26 | GMED | GLOBUS MEDICAL INC | Paul David C | Director, Officer, 10% owner | OPT+S | $51.81 | 827,004 | $42,843,604 | 612,712 |
| 2018-04-25 23:08 | 2018-04-23 | NVCR | NovoCure Ltd | Palti Yoram | Director, Officer | SELL | $25.06 | 35,600 | $892,282 | 1,182,020 |
| 2018-04-26 02:33 | 2018-04-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $73.09 | 2,581 | $188,649 | 8,810 |
| 2018-04-24 19:48 | 2018-04-23 | CODX | Co-Diagnostics, Inc. | Satterfield Brent | Director, Officer, 10% owner | BUY | $2.02 | 500 | $1,010 | 2,273,198 |
| 2018-04-25 02:03 | 2018-04-23 | TFX | TELEFLEX INC | BABICH GEORGE JR | Director | OPT+S | $270.66 | 2,500 | $676,650 | 8,583 |
| 2018-04-24 23:52 | 2018-04-20 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $35.04 | 1,500 | $52,567 | 89,585 |
| 2018-04-23 23:05 | 2018-04-19 | NVCR | NovoCure Ltd | Palti Yoram | Director, Officer | SELL | $24.98 | 49,362 | $1,233,226 | 1,217,620 |
| 2018-04-23 21:23 | 2018-04-20 | UFPT | UFP TECHNOLOGIES INC | Smith W David | Officer | OPT+S | $32.08 | 1,420 | $45,554 | 12,551 |
| 2018-04-20 23:53 | 2018-04-18 | NVCR | NovoCure Ltd | Kirson Eilon D. | Officer | OPT+S | $24.00 | 147,825 | $3,547,800 | 39,582 |
| 2018-04-20 16:33 | 2018-04-18 | SYK | STRYKER CORP | Owen Katherine Ann | Officer | SELL | $165.00 | 2,651 | $437,415 | 7,729 |
| 2018-04-20 21:06 | 2018-04-18 | UFPT | UFP TECHNOLOGIES INC | Smith W David | Officer | OPT+S | $32.07 | 902 | $28,927 | 12,551 |
| 2018-04-20 23:07 | 2018-04-18 | GMED | GLOBUS MEDICAL INC | Demski David M | Director, Officer | OPT+S | $51.00 | 149,109 | $7,604,559 | 148,855 |
| 2018-04-20 23:54 | 2018-03-02 | ICUI | ICU MEDICAL INC/DE | SWINNEY ROBERT S | Director | SELL | $245.00 | 698 | $171,010 | 14,908 |
| 2018-04-20 23:01 | 2018-04-18 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | OPT+S | $35.84 | 2,482 | $88,958 | 119,403 |
| 2018-04-19 23:54 | 2018-04-17 | NVCR | NovoCure Ltd | Ambrogi Michael J. | Officer | OPT+S | $23.03 | 40,000 | $921,240 | 146,558 |
| 2018-04-19 23:21 | 2018-04-17 | NVCR | NovoCure Ltd | Palti Yoram | Director, Officer | SELL | $23.65 | 44,072 | $1,042,303 | 1,266,982 |
| 2018-04-18 23:42 | 2018-04-17 | CRY | Artivion Inc. | Davis John E | Officer | OPT+S | $23.00 | 3,333 | $76,659 | 51,438 |
| 2018-04-18 23:36 | 2018-04-17 | UFPT | UFP TECHNOLOGIES INC | Smith W David | Officer | OPT+S | $32.49 | 5,599 | $181,900 | 12,551 |
| 2018-04-19 04:35 | 2018-04-17 | CTSO | Cytosorbents Corp | BLOCH KATHLEEN P. | Officer | OPT+S | $8.25 | 120 | $990 | 253,304 |
| 2018-04-18 23:30 | 2018-04-18 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.89 | 1,760 | $1,566 | 13,428,191 |
| 2018-04-19 02:24 | 2018-04-16 | DXCM | DEXCOM INC | GREGG TERRANCE H | Director, Officer | SELL | $73.04 | 10,000 | $730,414 | 882 |
| 2018-04-17 18:57 | 2018-04-16 | SYK | STRYKER CORP | Boehnlein Glenn S | Officer | SELL | $160.00 | 750 | $120,000 | 3,535 |
| 2018-04-17 17:17 | 2018-04-16 | UFPT | UFP TECHNOLOGIES INC | Smith W David | Officer | OPT+S | $32.05 | 534 | $17,115 | 12,551 |
| 2018-04-18 04:37 | 2018-04-16 | RMD | RESMED INC | Sandercock Brett | Officer | SELL | $99.36 | 2,000 | $198,720 | 71,072 |
| 2018-04-17 23:47 | 2018-04-16 | TFX | TELEFLEX INC | SMITH BENSON | Director | OPT+S | $260.52 | 9,331 | $2,430,867 | 68,167 |
| 2018-04-17 18:42 | 2018-04-16 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.86 | 1,500 | $1,283 | 13,426,431 |
| 2018-04-17 00:05 | 2018-04-16 | CODX | Co-Diagnostics, Inc. | Satterfield Brent | Director, Officer, 10% owner | BUY | $1.94 | 500 | $970 | 2,272,698 |
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.