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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-01-18 02:49 | 2024-01-16 | DXCM | DEXCOM INC | Leach Jacob Steven | Officer | SELL | $123.63 | 3,978 | $491,819 | 262,499 |
| 2024-01-18 02:47 | 2024-01-16 | DXCM | DEXCOM INC | ALTMAN STEVEN R | Director | SELL | $122.86 | 1,568 | $192,652 | 53,132 |
| 2024-01-17 00:39 | 2024-01-12 | BSX | BOSTON SCIENTIFIC CORP | Fitzgerald Joseph Michael | Officer | SELL | $60.00 | 11,660 | $699,600 | 173,472 |
| 2024-01-17 00:59 | 2024-01-12 | GKOS | GLAUKOS Corp | Gilliam Joseph E | Officer | OPT+S | $89.01 | 110 | $9,791 | 119,802 |
| 2024-01-13 02:00 | 2024-01-10 | STIM | Neuronetics, Inc. | Sullivan Keith J | Director, Officer | SELL | $3.08 | 19,529 | $60,210 | 1,158,129 |
| 2024-01-12 23:28 | 2024-01-10 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.14 | 2,477 | $2,812 | 14,159,832 |
| 2024-01-12 01:12 | 2024-01-09 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | OPT+S | $44.97 | 16,000 | $719,475 | 47,351 |
| 2024-01-12 01:03 | 2024-01-09 | PRCT | PROCEPT BioRobotics Corp | Waters Kevin | Officer | OPT+S | $45.07 | 17,310 | $780,247 | 33,523 |
| 2024-01-11 01:44 | 2024-01-09 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | OPT+S | $59.25 | 15,172 | $898,941 | 56,588 |
| 2024-01-10 21:10 | 2023-12-29 | CMXC | Stimcell Energetics Inc. | Jeffs David | Director, Officer, 10% owner | BUY | $0.01 | 15,000,000 | $105,000 | 88,959,726 |
| 2024-01-11 03:14 | 2024-01-08 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $82.55 | 60,115 | $4,962,698 | 55,835 |
| 2024-01-10 20:12 | 2024-01-08 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.10 | 6,290 | $6,927 | 14,157,355 |
| 2024-01-10 05:07 | 2023-12-29 | CMXC | Stimcell Energetics Inc. | JEFFS RICHARD | 10% owner | BUY | $0.01 | 14,372,285 | $100,606 | 25,624,313 |
| 2024-01-08 18:41 | 2024-01-04 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.13 | 3,902 | $4,408 | 14,151,065 |
| 2024-01-06 00:53 | 2024-01-04 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | OPT+S | $58.40 | 15,000 | $876,002 | 56,588 |
| 2024-01-06 00:15 | 2024-01-03 | ARAY | Accuray Incorporated | Corradetti GIna | Officer | SELL | $2.74 | 14,129 | $38,729 | 196,138 |
| 2024-01-06 00:15 | 2024-01-03 | ARAY | Accuray Incorporated | Pervaiz Ali | Officer | SELL | $2.74 | 2,116 | $5,800 | 402,743 |
| 2024-01-04 16:27 | 2024-01-02 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | BUY | $0.40 | 9,466 | $3,786 | 1,061,675 |
| 2024-01-05 00:22 | 2024-01-02 | AORT | Artivion Inc. | Davis John E | Officer | OPT+S | $18.00 | 13,562 | $244,116 | 128,733 |
| 2024-01-05 00:15 | 2024-01-03 | BSX | BOSTON SCIENTIFIC CORP | Mirviss Jeffrey B. | Officer | SELL | $57.82 | 11,931 | $689,862 | 56,588 |
| 2024-01-05 00:25 | 2024-01-02 | AORT | Artivion Inc. | Holloway Jean F | Officer | OPT+S | $18.00 | 21,229 | $382,122 | 133,520 |
| 2024-01-05 02:08 | 2024-01-02 | SIBN | SI-BONE, Inc. | Davis Timothy E JR | Director | SELL | $20.93 | 9,900 | $207,221 | 22,361 |
| 2024-01-05 02:06 | 2024-01-02 | SIBN | SI-BONE, Inc. | Maheshwari Anshul | Officer | SELL | $20.92 | 1,470 | $30,758 | 147,268 |
| 2024-01-04 19:57 | 2024-01-02 | IRTC | iRhythm Holdings, Inc. | Wilson Daniel G. | Officer | SELL | $103.31 | 7,218 | $745,692 | 26,629 |
| 2024-01-05 03:36 | 2024-01-02 | PEN | Penumbra Inc | Sarna Surbhi | Director | SELL | $247.68 | 85 | $21,053 | 2,295 |
| 2024-01-05 03:34 | 2024-01-03 | PEN | Penumbra Inc | Grewal Harpreet | Director | SELL | $240.82 | 170 | $40,939 | 8,980 |
| 2024-01-05 02:07 | 2024-01-02 | SIBN | SI-BONE, Inc. | RECUPERO ANTHONY J | Officer | SELL | $20.93 | 1,936 | $40,511 | 198,903 |
| 2024-01-04 18:56 | 2024-01-02 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.09 | 5,522 | $6,019 | 14,147,163 |
| 2024-01-03 19:48 | 2023-12-27 | HRGN | Harvard Apparatus Regenerative Technology, Inc. | He Junli | Director, Officer | BUY | $4.76 | 2,700 | $12,852 | 253,000 |
| 2024-01-04 02:18 | 2024-01-02 | GKOS | GLAUKOS Corp | Burns Thomas William | Director, Officer | OPT+S | $77.20 | 95,000 | $7,334,257 | 55,835 |
| 2024-01-03 04:30 | 2023-12-29 | BSX | BOSTON SCIENTIFIC CORP | Fitzgerald Joseph Michael | Officer | OPT+S | $57.50 | 81,940 | $4,711,550 | 174,241 |
| 2023-12-30 00:15 | 2023-12-27 | XAIR | Beyond Air, Inc. | Myers Jeff Lynn | Officer | SELL | $2.21 | 3,423 | $7,579 | 46,577 |
| 2023-12-30 01:43 | 2023-12-27 | TFX | TELEFLEX INC | Kelly Liam | Director, Officer | OPT+S | $250.23 | 26,256 | $6,570,023 | 18,470 |
| 2023-12-30 04:30 | 2023-12-27 | SGHT | Sight Sciences, Inc. | D1 Capital Partners L.P. | 10% owner | SELL | $5.86 | 2,852,036 | $16,712,931 | 3,000,000 |
| 2023-12-30 00:23 | 2023-12-28 | XAIR | Beyond Air, Inc. | Avniel Amir | Director, Officer | SELL | $2.06 | 25,000 | $51,450 | 0 |
| 2023-12-29 23:02 | 2023-12-28 | STSS | Sharps Technology Inc. | Crescenzo Andrew R. | Officer | BUY | $0.42 | 3,500 | $1,476 | 15,500 |
| 2023-12-30 01:26 | 2023-12-27 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.07 | 3,455 | $3,703 | 14,141,641 |
| 2023-12-29 01:47 | 2023-12-26 | NPCE | NeuroPace Inc | Morrell Martha | Officer | SELL | $10.12 | 13,402 | $135,668 | 110,027 |
| 2023-12-28 02:08 | 2023-12-26 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Christianson Mark | Officer | SELL | $1.44 | 38,293 | $55,130 | 300,594 |
| 2023-12-28 02:30 | 2023-12-26 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $46.25 | 10,000 | $462,547 | 162,950 |
| 2023-12-28 01:02 | 2023-12-26 | RCEL | AVITA Medical, Inc. | CORBETT JAMES | Director, Officer | SELL | $13.29 | 1,445 | $19,204 | 11,580 |
| 2023-12-27 20:08 | 2023-12-22 | RVP | RETRACTABLE TECHNOLOGIES INC | SHAW THOMAS J | Director, Officer, 10% owner | BUY | $1.10 | 7,706 | $8,440 | 14,138,186 |
| 2023-12-28 00:19 | 2023-12-22 | LUNG | Pulmonx Corp | Rose Geoffrey Beran | Officer | SELL | $12.75 | 1,184 | $15,096 | 245,417 |
| 2023-12-27 00:08 | 2023-12-21 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Volker Christopher | Officer | BUY | $1.40 | 75,000 | $105,000 | 75,000 |
| 2023-12-27 00:01 | 2023-12-21 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Christianson Mark | Officer | SELL | $1.40 | 11,707 | $16,390 | 338,887 |
| 2023-12-27 00:15 | 2023-12-22 | NXGL | NEXGEL, INC. | glassman steven mark | Director | BUY | $2.20 | 3,885 | $8,535 | 123,177 |
| 2023-12-27 03:25 | 2023-12-21 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $15.00 | 2,500 | $37,500 | 557,780 |
| 2023-12-23 01:45 | 2023-12-22 | STSS | Sharps Technology Inc. | Ruemler Timothy James | Director | BUY | $0.40 | 10,000 | $4,016 | 1,052,209 |
| 2023-12-23 00:21 | 2023-12-20 | NPCE | NeuroPace Inc | Morrell Martha | Officer | SELL | $10.14 | 2,730 | $27,695 | 123,429 |
| 2023-12-23 01:01 | 2023-12-21 | RCEL | AVITA Medical, Inc. | COOK JEREMY CURNOCK | Director | SELL | $12.49 | 2,500 | $31,225 | 20,614 |
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.