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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-12 19:13 | 2026-08-11 | PFSA | Profusa, Inc. | HRT FINANCIAL LP | 10% owner | SELL | $0.97 | 2,280 | $2,212 | 111,024 |
| 2026-08-12 19:13 | 2026-08-10 | PFSA | Profusa, Inc. | HRT FINANCIAL LP | 10% owner | BUY | $0.94 | 4,016 | $3,791 | 113,304 |
| 2026-08-12 16:18 | 2026-08-11 | DRTS | Alpha Tau Medical Ltd. | Levy Raphi | Officer | OPT+S | $14.00 | 17,730 | $248,277 | 90,180 |
| 2026-08-11 20:00 | 2026-08-10 | IRTC | iRhythm Holdings, Inc. | Turakhia Minang | Officer | SELL | $124.65 | 7,093 | $884,151 | 60,116 |
| 2026-08-11 20:01 | 2026-08-10 | IRTC | iRhythm Holdings, Inc. | Shrishrimal Sumi | Officer | SELL | $124.65 | 5,372 | $669,641 | 44,621 |
| 2026-08-11 20:01 | 2026-08-10 | IRTC | iRhythm Holdings, Inc. | Patterson Chad | Officer | SELL | $124.65 | 7,093 | $884,170 | 62,125 |
| 2026-08-11 20:02 | 2026-08-10 | IRTC | iRhythm Holdings, Inc. | Murphy Patrick Michael | Officer | SELL | $124.65 | 7,093 | $884,156 | 69,699 |
| 2026-08-11 20:02 | 2026-08-10 | IRTC | iRhythm Holdings, Inc. | Blackford Quentin S. | Director, Officer | SELL | $124.65 | 26,859 | $3,348,012 | 226,008 |
| 2026-08-12 00:44 | 2026-08-07 | FEMY | FEMASYS INC | Sipos Jeremy Alexander | Officer | BUY | $3.20 | 3,125 | $10,000 | 3,125 |
| 2026-08-12 00:54 | 2026-08-07 | FEMY | FEMASYS INC | Mifek Jeffrey Gerald | Officer | BUY | $3.20 | 3,125 | $10,000 | 3,125 |
| 2026-08-12 00:30 | 2026-08-07 | FEMY | FEMASYS INC | Lee-Sepsick Kathy | Director, Officer | BUY | $3.20 | 15,625 | $50,000 | 15,625 |
| 2026-08-12 00:37 | 2026-08-07 | FEMY | FEMASYS INC | Elefant Dov | Officer | BUY | $3.20 | 15,625 | $50,000 | 15,625 |
| 2026-08-12 00:40 | 2026-08-07 | FEMY | FEMASYS INC | Canning John Charles | Officer | BUY | $3.20 | 4,375 | $14,000 | 4,375 |
| 2026-08-11 23:13 | 2026-08-07 | INSP | Inspire Medical Systems, Inc. | Kelly Jason P | Officer | SELL | $59.55 | 963 | $57,347 | 18,985 |
| 2026-08-11 22:18 | 2026-08-11 | ICUI | ICU MEDICAL INC/DE | Voigtlander Christian B. | Officer | SELL | $182.93 | 8,929 | $1,633,404 | 37,377 |
| 2026-08-11 21:59 | 2026-08-11 | ICUI | ICU MEDICAL INC/DE | FINNEY ELISHA W | Director | SELL | $182.48 | 378 | $68,978 | 4,871 |
| 2026-08-11 21:56 | 2026-08-07 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Mahboob Vaseem | Officer | SELL | $25.88 | 26,287 | $680,384 | 60,609 |
| 2026-08-11 21:31 | 2026-08-07 | GKOS | GLAUKOS Corp | Thurman Alex R. | Officer | OPT+S | $180.13 | 20,000 | $3,602,600 | 43,906 |
| 2026-08-11 19:38 | 2026-08-10 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $316.13 | 13,011 | $4,113,221 | 0 |
| 2026-08-11 13:03 | 2026-08-07 | MDLN | Medline Inc. | GIC Private Ltd | 10% owner | SELL | $35.58 | 590,284 | $21,002,305 | 24,402,482 |
| 2026-08-11 10:30 | 2026-08-07 | RMD | RESMED INC | Farrell Michael J. | Director, Officer | OPT+S | $205.69 | 4,991 | $1,026,596 | 466,256 |
| 2026-08-10 22:51 | 2026-08-06 | UFPT | UFP TECHNOLOGIES INC | BAILLY R JEFFREY | Director, Officer | SELL | $318.38 | 15,695 | $4,997,051 | 13,011 |
| 2026-08-10 20:15 | 2026-08-07 | STVN | Stevanato Group S.p.A. | Magistretti Elisabetta | Director | SELL | $20.09 | 2,045 | $41,084 | 2,930 |
| 2026-08-10 20:15 | 2026-08-07 | STVN | Stevanato Group S.p.A. | Dal Lago Marco | Officer | SELL | $20.09 | 4,209 | $84,559 | 81,144 |
| 2026-08-10 20:15 | 2026-08-07 | STVN | Stevanato Group S.p.A. | Santel Luciano | Director | SELL | $20.09 | 2,023 | $40,642 | 4,739 |
| 2026-08-10 20:09 | 2026-08-10 | RDGL | VIVOS INC | Weeks Brad Allan | Officer | BUY | $0.05 | 50,000 | $2,740 | 1,521,654 |
| 2026-08-10 19:39 | 2026-08-06 | PFSA | Profusa, Inc. | HRT FINANCIAL LP | 10% owner | BUY | $0.94 | 926 | $873 | 110,212 |
| 2026-08-10 19:39 | 2026-08-05 | PFSA | Profusa, Inc. | HRT FINANCIAL LP | 10% owner | SELL | $0.94 | 1,307 | $1,235 | 109,288 |
| 2026-08-10 17:24 | 2026-08-10 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.05 | 150,000 | $7,965 | 11,435,090 |
| 2026-08-10 10:07 | 2026-08-07 | PRCT | PROCEPT BioRobotics Corp | Wood Larry L | Director, Officer | BUY | $20.85 | 23,900 | $498,315 | 23,900 |
| 2026-08-07 20:12 | 2026-08-05 | SI | SHOULDER INNOVATIONS, INC. | Gilde Healthcare Holding B.V. | 10% owner | SELL | $22.63 | 9,433 | $213,479 | 2,212,207 |
| 2026-08-07 20:16 | 2026-08-05 | BSX | BOSTON SCIENTIFIC CORP | Habiger David C | Director | BUY | $47.59 | 2,100 | $99,937 | 17,160 |
| 2026-08-07 20:15 | 2026-08-05 | MDLN | Medline Inc. | GIC Private Ltd | 10% owner | SELL | $35.56 | 2,248,612 | $79,971,436 | 24,992,766 |
| 2026-08-08 00:25 | 2026-08-05 | ATEC | Alphatec Holdings, Inc. | Marshall Tyson Eliot | Officer | SELL | $9.65 | 8,168 | $78,821 | 630,398 |
| 2026-08-07 19:13 | 2026-08-06 | UFPT | UFP TECHNOLOGIES INC | Holt Jason | Officer | SELL | $317.00 | 1,100 | $348,700 | 7,878 |
| 2026-08-07 13:18 | 2026-08-05 | ATRC | AtriCure, Inc. | Yuen Maggie | Director | SELL | $38.42 | 3,500 | $134,470 | 14,015 |
| 2026-08-07 13:18 | 2026-08-05 | ATRC | AtriCure, Inc. | Prange Karen | Director | SELL | $38.80 | 3,564 | $138,283 | 22,809 |
| 2026-08-06 22:59 | 2026-08-04 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Webster Brian Daniel | Director, Officer | SELL | $24.52 | 51,900 | $1,272,588 | 475,215 |
| 2026-08-06 23:01 | 2026-08-04 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Umberger Traci S | Director, Officer | SELL | $24.04 | 3,580 | $86,073 | 195,825 |
| 2026-08-06 23:04 | 2026-08-04 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Mahboob Vaseem | Officer | SELL | $24.68 | 6,995 | $172,635 | 86,896 |
| 2026-08-06 23:06 | 2026-08-04 | KMTS | KESTRA MEDICAL TECHNOLOGIES, LTD. | Ford Alfred J Jr | Officer | SELL | $24.09 | 6,275 | $151,141 | 99,564 |
| 2026-08-06 20:18 | 2026-08-05 | MMM | 3M CO | Chavez Rodriguez Beatriz Karina | Officer | SELL | $182.51 | 3,635 | $663,430 | 14,035 |
| 2026-08-06 18:29 | 2026-08-05 | RMD | RESMED INC | FARRELL PETER C | Director | SELL | $225.00 | 8,000 | $1,800,000 | 52,773 |
| 2026-08-05 22:21 | 2026-08-03 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | OPT+S | $18.46 | 20,000 | $369,214 | 16,057 |
| 2026-08-05 20:30 | 2026-08-03 | ANIK | Anika Therapeutics, Inc. | Fischetti Gary P | Director | BUY | $20.53 | 2,000 | $41,060 | 54,015 |
| 2026-08-05 20:31 | 2026-08-03 | SI | SHOULDER INNOVATIONS, INC. | Gilde Healthcare Holding B.V. | 10% owner | SELL | $22.76 | 110,563 | $2,516,878 | 2,221,640 |
| 2026-08-05 20:15 | 2026-08-03 | BSX | BOSTON SCIENTIFIC CORP | Mahoney Michael F | Director, Officer | BUY | $48.33 | 186,240 | $9,001,408 | 1,590,024 |
| 2026-08-05 20:15 | 2026-08-03 | BSX | BOSTON SCIENTIFIC CORP | Habiger David C | Director | BUY | $48.13 | 1,182 | $56,887 | 15,060 |
| 2026-08-05 17:53 | 2026-08-03 | PFSA | Profusa, Inc. | HRT FINANCIAL LP | 10% owner | BUY | $0.96 | 15,924 | $15,250 | 109,669 |
| 2026-08-05 17:22 | 2026-08-04 | MMSI | MERIT MEDICAL SYSTEMS INC | Peterson Neil W. | Officer | SELL | $85.00 | 21,449 | $1,823,165 | 25,551 |
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.