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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018-02-02 21:40 | 2018-02-01 | MMM | 3M CO | Shin Hak Cheol | Officer | SELL | $247.58 | 6,799 | $1,683,271 | 104,921 |
| 2018-02-02 21:36 | 2018-02-01 | MMM | 3M CO | Shin Hak Cheol | Officer | OPT+S | $247.20 | 8,385 | $2,072,743 | 111,720 |
| 2018-02-02 19:01 | 2018-01-31 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.73 | 1,593 | $1,168 | 13,290,123 |
| 2018-02-03 00:10 | 2018-01-31 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Blake Lynn Larson | Officer | SELL | $32.34 | 766 | $24,772 | 62,237 |
| 2018-02-02 00:11 | 2018-02-01 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | OPT+S | $27.43 | 5,152 | $141,319 | 24,201 |
| 2018-02-02 00:31 | 2018-01-31 | MMM | 3M CO | THULIN INGE G | Director, Officer | OPT+S | $252.31 | 44 | $11,102 | 194,289 |
| 2018-02-02 00:22 | 2018-01-31 | MMM | 3M CO | THULIN INGE G | Director, Officer | SELL | $252.12 | 5,438 | $1,371,052 | 194,333 |
| 2018-02-01 23:09 | 2018-01-31 | MMM | 3M CO | THULIN INGE G | Director, Officer | SELL | $251.70 | 18,866 | $4,748,617 | 199,771 |
| 2018-02-01 22:56 | 2018-01-31 | MMM | 3M CO | THULIN INGE G | Director, Officer | OPT+S | $251.14 | 35,236 | $8,849,328 | 218,637 |
| 2018-02-01 00:29 | 2018-01-29 | NVCR | NovoCure Ltd | Longsworth Todd Christopher | Officer | OPT+S | $24.00 | 11,630 | $279,120 | 4,998 |
| 2018-02-01 00:22 | 2018-01-29 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $24.02 | 13,974 | $335,588 | 356,790 |
| 2018-02-01 00:54 | 2018-01-29 | IVOB | INVO Fertility, Inc. | Ranoux Claude | 10% owner | SELL | $0.12 | 31,319 | $3,602 | 25,482,699 |
| 2018-02-01 05:02 | 2018-01-29 | PEN | Penumbra Inc | Kassing Don W. | Director | SELL | $100.94 | 2,000 | $201,872 | 1,448 |
| 2018-01-31 18:37 | 2018-01-30 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.74 | 1,000 | $740 | 13,288,530 |
| 2018-01-31 01:35 | 2018-01-29 | TFX | TELEFLEX INC | BABICH GEORGE JR | Director | OPT+S | $283.11 | 2,500 | $707,775 | 8,583 |
| 2018-01-29 23:15 | 2018-01-25 | IVOB | INVO Fertility, Inc. | Ranoux Claude | 10% owner | SELL | $0.12 | 2,100 | $250 | 25,514 |
| 2018-01-29 20:51 | 2018-01-26 | RMD | RESMED INC | WAREHAM JOHN P | Director | OPT+S | $102.25 | 25,934 | $2,651,834 | 13,000 |
| 2018-01-27 00:14 | 2018-01-25 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $22.43 | 6,456 | $144,840 | 370,764 |
| 2018-01-27 00:18 | 2018-01-24 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Davis Jordan | Director | SELL | $32.00 | 75,000 | $2,400,000 | 62,966 |
| 2018-01-26 00:26 | 2018-01-23 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $22.10 | 20,848 | $460,801 | 377,220 |
| 2018-01-25 20:53 | 2018-01-24 | RMD | RESMED INC | TAYLOR RONALD R | Director | SELL | $99.71 | 4,885 | $487,083 | 21,751 |
| 2018-01-26 03:44 | 2018-01-23 | DXCM | DEXCOM INC | DOUBLEDAY RICHARD | Officer | SELL | $54.67 | 1,635 | $89,384 | 15,610 |
| 2018-01-25 00:40 | 2018-01-22 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Rishe Bryan | Officer | SELL | $30.92 | 1,500 | $46,380 | 93,145 |
| 2018-01-24 02:40 | 2018-01-22 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | DST Capital LLC | 10% owner | BUY | $2.67 | 1,572 | $4,197 | 15,722 |
| 2018-01-24 00:32 | 2018-01-19 | IVOB | INVO Fertility, Inc. | Ranoux Claude | 10% owner | SELL | $0.12 | 46,500 | $5,487 | 25,516,118 |
| 2018-01-23 23:48 | 2018-01-19 | ICUI | ICU MEDICAL INC/DE | SWINNEY ROBERT S | Director | SELL | $235.00 | 724 | $170,140 | 14,106 |
| 2018-01-24 02:41 | 2018-01-19 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Davis Jordan | Director | SELL | $30.00 | 50,000 | $1,500,000 | 68,616 |
| 2018-01-23 00:22 | 2018-01-17 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | DST Capital LLC | 10% owner | BUY | $2.37 | 8,700 | $20,620 | 14,150 |
| 2018-01-22 23:39 | 2018-01-18 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | OPT+S | $29.25 | 2,483 | $72,637 | 119,777 |
| 2018-01-18 23:34 | 2018-01-16 | IVOB | INVO Fertility, Inc. | Ranoux Claude | 10% owner | SELL | $0.15 | 600 | $87 | 25,562,618 |
| 2018-01-19 01:51 | 2018-01-16 | PEN | Penumbra Inc | Davis Daniel Donen | Officer | OPT+S | $88.80 | 30,000 | $2,664,012 | 24,098 |
| 2018-01-19 01:49 | 2018-01-16 | PEN | Penumbra Inc | Rothman Lynn | Officer | SELL | $90.99 | 6,000 | $545,954 | 159,319 |
| 2018-01-19 04:21 | 2018-01-16 | DXCM | DEXCOM INC | GREGG TERRANCE H | Director, Officer | SELL | $56.86 | 10,000 | $568,588 | 30,882 |
| 2018-01-19 02:10 | 2018-01-16 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Mattys Gerald R. | Director, Officer | SELL | $29.15 | 9,853 | $287,183 | 299,478 |
| 2018-01-18 01:05 | 2018-01-16 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $22.20 | 14,900 | $330,755 | 398,068 |
| 2018-01-18 02:46 | 2018-01-16 | TFX | TELEFLEX INC | BABICH GEORGE JR | Director | OPT+S | $263.38 | 2,500 | $658,450 | 8,583 |
| 2018-01-18 03:59 | 2018-01-12 | CTSO | Cytosorbents Corp | BLOCH KATHLEEN P. | Officer | OPT+S | $7.75 | 12,400 | $96,100 | 228,638 |
| 2018-01-17 18:38 | 2018-01-16 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.68 | 7,337 | $4,996 | 13,287,530 |
| 2018-01-17 01:01 | 2018-01-11 | NVCR | NovoCure Ltd | Kirson Eilon D. | Officer | SELL | $22.00 | 25,320 | $557,126 | 3,181 |
| 2018-01-17 01:00 | 2018-01-11 | NVCR | NovoCure Ltd | Danziger Asaf | Director, Officer | SELL | $22.33 | 336,420 | $7,511,754 | 412,968 |
| 2018-01-17 00:15 | 2018-01-11 | BSTG | Harvard Apparatus Regenerative Technology, Inc. | DST Capital LLC | 10% owner | BUY | $2.15 | 5,200 | $11,180 | 5,450 |
| 2018-01-17 00:09 | 2018-01-11 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $0.69 | 6,000 | $4,115 | 13,280,193 |
| 2018-01-13 00:55 | 2018-01-11 | IVOB | INVO Fertility, Inc. | Ranoux Claude | 10% owner | SELL | $0.15 | 12,545 | $1,844 | 25,563,218 |
| 2018-01-13 00:23 | 2018-01-10 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Folkes Robert J. | Officer | SELL | $28.32 | 1,500 | $42,480 | 119,777 |
| 2018-01-12 00:11 | 2018-01-11 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | SELL | $27.74 | 8,763 | $243,074 | 24,201 |
| 2018-01-11 20:08 | 2018-01-09 | CYTX | PLUS THERAPEUTICS, INC. | Swissquote Bank SA | 10% owner | SELL | $0.37 | 188,426 | $69,058 | 5,328,229 |
| 2018-01-11 00:49 | 2018-01-09 | MBOT | Microbot Medical Inc. | Bornstein Yoseph | Director, 10% owner | SELL | $1.06 | 35,000 | $37,191 | 4,530,409 |
| 2018-01-11 00:08 | 2018-01-09 | BSX | BOSTON SCIENTIFIC CORP | Pierce David A | Officer | OPT+S | $27.00 | 5,152 | $139,104 | 32,964 |
| 2018-01-11 00:11 | 2018-01-09 | NVCR | NovoCure Ltd | GROENHUYSEN WILHELMUS CM | Officer | SELL | $21.02 | 31,132 | $654,376 | 209,078 |
| 2018-01-11 05:50 | 2018-01-08 | CTSO | Cytosorbents Corp | BLOCH KATHLEEN P. | Officer | OPT+S | $7.30 | 32,400 | $236,400 | 228,638 |
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.