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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022-05-11 01:23 | 2022-05-06 | TNDM | TANDEM DIABETES CARE INC | Howell Peyton R | Director | BUY | $74.85 | 2,000 | $149,695 | 2,948 |
| 2022-05-10 23:44 | 2022-05-09 | MDXG | MIMEDX GROUP, INC. | Graves Mark | Officer | SELL | $3.50 | 3,891 | $13,622 | 133,608 |
| 2022-05-10 23:47 | 2022-05-06 | MDXG | MIMEDX GROUP, INC. | Phelan William Lawrence | Officer | SELL | $3.81 | 5,750 | $21,908 | 144,640 |
| 2022-05-11 01:33 | 2022-05-09 | TNDM | TANDEM DIABETES CARE INC | Sheridan John F | Director, Officer | BUY | $69.90 | 2,500 | $174,750 | 10,058 |
| 2022-05-11 00:01 | 2022-05-05 | TNDM | TANDEM DIABETES CARE INC | TWOMEY CHRISTOPHER J | Director | OPT+S | $111.73 | 248 | $27,709 | 7,568 |
| 2022-05-10 23:11 | 2022-05-09 | DXCM | DEXCOM INC | Patterson Chad | Officer | SELL | $342.77 | 777 | $266,332 | 13,675 |
| 2022-05-10 22:16 | 2022-05-06 | BDX | BECTON DICKINSON & CO | Hickey David | Officer | SELL | $256.00 | 475 | $121,600 | 3,806 |
| 2022-05-10 23:32 | 2022-05-06 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | Burns Kristie | Officer | SELL | $13.04 | 999 | $13,023 | 21,959 |
| 2022-05-10 23:29 | 2022-05-06 | TCMD | TACTILE SYSTEMS TECHNOLOGY INC | PAULS ERIC | Officer | SELL | $13.03 | 600 | $7,819 | 18,299 |
| 2022-05-10 00:17 | 2022-05-05 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $9.59 | 10,000 | $95,850 | 3,380,709 | |
| 2022-05-09 23:30 | 2022-05-06 | STSS | Sharps Technology Inc. | Crescenzo Andrew R. | Officer | BUY | $1.29 | 6,000 | $7,753 | 12,000 |
| 2022-05-09 23:13 | 2022-05-06 | CTSO | Cytosorbents Corp | Kraus Al | Director | BUY | $1.96 | 5,000 | $9,795 | 130,046 |
| 2022-05-10 02:32 | 2022-05-05 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.40 | 25,150 | $60,244 | 3,207,504 |
| 2022-05-06 23:30 | 2022-05-04 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director, Officer | BUY | $1.63 | 6,000 | $9,780 | 20,000 |
| 2022-05-07 00:01 | 2022-04-26 | ATAO | Premier Air Charter Holdings Inc. | Lovallo Leonard | Director, Officer | SELL | $0.02 | 150,000 | $3,120 | 39,080,000 |
| 2022-05-05 23:33 | 2022-05-03 | CVRX | CVRx, Inc. | Nielsen Kirk G. | Director | BUY | $5.99 | 62,304 | $373,456 | 1,674,490 |
| 2022-05-06 00:34 | 2022-05-04 | ARAY | Accuray Incorporated | Spine Patrick | Officer | SELL | $2.65 | 1,559 | $4,131 | 225,094 |
| 2022-05-04 23:39 | 2022-05-02 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | BUY | $1.21 | 8,800 | $10,648 | 899,206 |
| 2022-05-04 23:31 | 2022-04-28 | STSS | Sharps Technology Inc. | Blackman Alan R. | Director, Officer | BUY | $1.28 | 20,000 | $25,600 | 763,429 |
| 2022-05-04 17:49 | 2022-05-03 | MMM | 3M CO | Roman Michael F | Director, Officer | OPT+S | $146.21 | 10,610 | $1,551,288 | 90,361 |
| 2022-05-05 00:53 | 2022-05-02 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $9.42 | 15,000 | $141,251 | 3,370,709 | |
| 2022-05-04 23:33 | 2022-05-02 | MDXG | MIMEDX GROUP, INC. | Turner Scott M | Officer | SELL | $4.00 | 5,260 | $21,045 | 226,643 |
| 2022-05-05 02:10 | 2022-05-03 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $33.53 | 10,000 | $335,298 | 622,950 |
| 2022-05-05 00:04 | 2022-05-02 | TNDM | TANDEM DIABETES CARE INC | ROBERTSON REBECCA B | Director | OPT+S | $96.73 | 1,500 | $145,090 | 0 |
| 2022-05-05 00:03 | 2022-05-03 | RMD | RESMED INC | PENDARVIS DAVID | Officer | SELL | $200.00 | 1,545 | $309,000 | 109,858 |
| 2022-05-05 00:48 | 2022-05-02 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.49 | 40,429 | $100,814 | 3,182,354 |
| 2022-05-02 14:27 | 2022-04-27 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director, Officer | BUY | $1.50 | 4,000 | $6,000 | 14,000 |
| 2022-05-02 23:09 | 2022-04-28 | RVP | RETRACTABLE TECHNOLOGIES INC | Leonard Braden Michael | 10% owner | BUY | $3.73 | 430,000 | $1,603,212 | 3,350,000 |
| 2022-05-02 13:04 | 2022-04-28 | ANGO | Angiodynamics Inc. | Helsel Dave | Officer | SELL | $22.44 | 3,513 | $78,832 | 22,874 |
| 2022-05-03 00:34 | 2022-04-28 | CVRX | CVRx, Inc. | Nielsen Kirk G. | Director | BUY | $5.97 | 42,088 | $251,270 | 1,612,186 |
| 2022-05-02 19:21 | 2022-04-29 | AURX | Nuo Therapeutics, Inc. | SHEEDY CHARLES E | 10% owner | BUY | $1.00 | 804,868 | $804,868 | 11,000,000 |
| 2022-04-30 01:10 | 2022-04-27 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $9.10 | 15,000 | $136,550 | 3,355,709 | |
| 2022-04-28 23:30 | 2022-04-27 | STSS | Sharps Technology Inc. | Blackman Alan R. | Director, Officer | BUY | $1.25 | 10,000 | $12,500 | 743,429 |
| 2022-04-29 00:32 | 2022-04-27 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $40.50 | 10,000 | $404,996 | 632,950 |
| 2022-04-28 14:00 | 2022-04-26 | PSTV | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Director, Officer | BUY | $0.68 | 2,500 | $1,710 | 28,580 |
| 2022-04-27 23:18 | 2022-04-25 | BJDX | Bluejay Diagnostics, Inc. | Fisher Kenneth R | Officer | BUY | $0.99 | 20,000 | $19,800 | 20,000 |
| 2022-04-27 18:31 | 2022-04-25 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | BUY | $9.32 | 15,000 | $139,850 | 3,340,709 | |
| 2022-04-27 14:00 | 2022-04-26 | PSTV | PLUS THERAPEUTICS, INC. | Sims Andrew John Hugh MacIntyre | Officer | BUY | $0.67 | 3,000 | $2,016 | 12,230 |
| 2022-04-27 14:00 | 2022-04-26 | PSTV | PLUS THERAPEUTICS, INC. | HEDRICK MARC H | Director, Officer | BUY | $0.69 | 5,000 | $3,450 | 26,080 |
| 2022-04-28 00:47 | 2022-04-25 | DXCM | DEXCOM INC | Pacelli Steven Robert | Officer | SELL | $439.94 | 250 | $109,985 | 35,425 |
| 2022-04-26 23:30 | 2022-04-25 | STSS | Sharps Technology Inc. | Blackman Alan R. | Director, Officer | BUY | $1.37 | 5,000 | $6,850 | 733,429 |
| 2022-04-26 23:39 | 2022-04-22 | STIM | Neuronetics, Inc. | CANNELL CAPITAL LLC | 10% owner | BUY | $2.74 | 10,806 | $29,563 | 3,141,925 |
| 2022-04-25 23:30 | 2022-04-22 | STSS | Sharps Technology Inc. | Blackman Alan R. | Director, Officer | BUY | $1.52 | 5,000 | $7,600 | 728,429 |
| 2022-04-25 18:12 | 2022-04-22 | RVP | RETRACTABLE TECHNOLOGIES INC | Bigby Walter O Jr | Director | SELL | $3.76 | 10,000 | $37,600 | 80,000 |
| 2022-04-21 23:36 | 2022-04-19 | STSS | Sharps Technology Inc. | Hayes Robert Michael | Director, Officer | BUY | $2.50 | 3,000 | $7,490 | 10,000 |
| 2022-04-21 19:42 | 2022-04-19 | DCTH | DELCATH SYSTEMS, INC. | Rosalind Advisors, Inc. | Director | BUY | $6.25 | 1,600 | $10,000 | 433,100 |
| 2022-04-21 23:26 | 2022-04-20 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | SELL | $46.50 | 9,645 | $448,493 | 110,316 |
| 2022-04-21 23:30 | 2022-04-20 | STSS | Sharps Technology Inc. | Crescenzo Andrew R. | Officer | BUY | $2.26 | 6,000 | $13,560 | 6,000 |
| 2022-04-21 14:43 | 2022-04-19 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $43.90 | 10,000 | $439,023 | 642,950 |
| 2022-04-22 00:00 | 2022-04-19 | GMED | GLOBUS MEDICAL INC | Davidar David D | Director | SELL | $78.03 | 31,500 | $2,458,071 | 601,275 |
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.