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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-18 20:07 | 2026-03-16 | DXCM | DEXCOM INC | Brown Michael Jon | Officer | SELL | $64.85 | 1,700 | $110,245 | 112,904 |
| 2026-03-18 18:10 | 2026-03-16 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $101.73 | 7,500 | $762,971 | 2,240,000 |
| 2026-03-18 14:36 | 2026-03-17 | STIM | Neuronetics, Inc. | Chernett Jorey | 10% owner | BUY | $1.16 | 531,000 | $615,960 | 7,516,404 |
| 2026-03-17 21:42 | 2026-03-13 | SI | SHOULDER INNOVATIONS, INC. | Points Jeffrey S. | Officer | BUY | $15.00 | 2,000 | $30,000 | 70,785 |
| 2026-03-17 20:18 | 2026-03-16 | KIDS | ORTHOPEDIATRICS CORP | Hauser Joseph W | Officer | SELL | $17.25 | 8,596 | $148,281 | 194,767 |
| 2026-03-17 20:18 | 2026-03-16 | KIDS | ORTHOPEDIATRICS CORP | Bailey David R | Director, Officer | SELL | $17.25 | 19,535 | $336,979 | 298,020 |
| 2026-03-17 20:18 | 2026-03-16 | KIDS | ORTHOPEDIATRICS CORP | Odle Gregory A | Officer | SELL | $17.25 | 8,433 | $145,469 | 187,735 |
| 2026-03-17 20:18 | 2026-03-16 | KIDS | ORTHOPEDIATRICS CORP | Gerritzen Daniel J | Officer | SELL | $17.25 | 8,614 | $148,592 | 149,533 |
| 2026-03-17 20:31 | 2026-03-16 | IRTC | iRhythm Holdings, Inc. | Smith Mervin | Officer | SELL | $114.30 | 2,585 | $295,466 | 23,027 |
| 2026-03-17 20:18 | 2026-03-16 | KIDS | ORTHOPEDIATRICS CORP | Hite Fred | Director, Officer | SELL | $17.25 | 12,993 | $224,129 | 277,477 |
| 2026-03-17 21:30 | 2026-03-13 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | SELL | $12.30 | 260,535 | $3,204,581 | 815,704 |
| 2026-03-17 21:30 | 2026-03-13 | ATEC | Alphatec Holdings, Inc. | Koning John Todd | Officer | SELL | $12.36 | 79,789 | $986,192 | 600,721 |
| 2026-03-17 21:31 | 2026-03-13 | SI | SHOULDER INNOVATIONS, INC. | Ball Robert Joseph | Director, Officer | BUY | $15.18 | 2,200 | $33,392 | 278,866 |
| 2026-03-17 21:34 | 2026-03-13 | SI | SHOULDER INNOVATIONS, INC. | Buchholz Richard | Director | BUY | $14.84 | 1,000 | $14,840 | 13,666 |
| 2026-03-16 23:55 | 2025-12-02 | BBNX | Beta Bionics, Inc. | Russell Steven Jon | Officer | SELL | $29.34 | 1,025 | $30,069 | 178,071 |
| 2026-03-16 23:55 | 2025-12-02 | BBNX | Beta Bionics, Inc. | Hopman Mark | Officer | SELL | $30.27 | 2,917 | $88,304 | 136,216 |
| 2026-03-16 19:30 | 2026-03-12 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Christianson Mark | Officer | SELL | $0.80 | 917 | $734 | 214,283 |
| 2026-03-16 12:14 | 2026-03-12 | ATRC | AtriCure, Inc. | Doraiswamy Vinayak | Officer | SELL | $29.83 | 5,000 | $149,150 | 96,875 |
| 2026-03-16 20:54 | 2026-03-13 | OBIO | Orchestra BioMed Holdings, Inc. | Hochman David P | Director, Officer | BUY | $4.29 | 10,000 | $42,900 | 1,086,467 |
| 2026-03-16 20:16 | 2026-03-02 | CVRX | CVRx, Inc. | Adamson Philip B. | Officer | SELL | $7.90 | 1,262 | $9,973 | 61,578 |
| 2026-03-17 00:01 | 2026-03-13 | OSUR | ORASURE TECHNOLOGIES INC | McGrath Kenneth J | Officer | BUY | $3.00 | 22,021 | $66,030 | 557,262 |
| 2026-03-17 00:01 | 2026-03-13 | OSUR | ORASURE TECHNOLOGIES INC | EGLINTON MANNER CARRIE | Director, Officer | BUY | $3.00 | 22,022 | $66,033 | 2,158,574 |
| 2026-03-16 23:44 | 2026-03-12 | CERS | CERUS CORP | Jayaraman Vivek K | Officer | SELL | $1.66 | 165,200 | $273,769 | 1,747,674 |
| 2026-03-16 23:45 | 2025-03-12 | CERS | CERUS CORP | Jensen Chrystal | Officer | SELL | $1.66 | 113,008 | $187,277 | 946,131 |
| 2026-03-16 23:44 | 2026-03-12 | CERS | CERUS CORP | Green Kevin Dennis | Officer | SELL | $1.66 | 127,544 | $211,366 | 1,040,551 |
| 2026-03-16 23:44 | 2026-03-12 | CERS | CERUS CORP | Greenman William Mariner | Director, Officer | SELL | $1.66 | 447,757 | $742,023 | 4,998,493 |
| 2026-03-16 23:43 | 2026-03-12 | CERS | CERUS CORP | Benjamin Richard J | Officer | SELL | $1.66 | 101,740 | $168,604 | 777,361 |
| 2026-03-13 20:05 | 2026-03-12 | NVNO | enVVeno Medical Corp | Duhay Francis | Director | SELL | $11.52 | 140 | $1,613 | 2,502 |
| 2026-03-13 22:00 | 2026-03-11 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $12.52 | 163,452 | $2,046,419 | 504,932 |
| 2026-03-13 21:26 | 2026-03-11 | BVS | Bioventus Inc. | McMurry-Heath Michelle | Director | SELL | $8.79 | 12,000 | $105,439 | 44,997 |
| 2026-03-13 21:07 | 2026-03-12 | SIBN | SI-BONE, Inc. | Nishimura Mika | Director | SELL | $13.83 | 4,100 | $56,700 | 32,716 |
| 2026-03-13 21:10 | 2026-03-13 | PETV | PetVivo Holdings, Inc. | A.L. Sarroff Fund, LLC | 10% owner | BUY | $0.00 | 1,250,000 | $0 | 10,178,196 |
| 2026-03-13 20:42 | 2026-03-11 | LMAT | LEMAITRE VASCULAR INC | Roberts David B | Director, Officer | SELL | $107.68 | 3,312 | $356,586 | 14,667 |
| 2026-03-13 20:42 | 2026-03-11 | LMAT | LEMAITRE VASCULAR INC | Kamke Trent G | Officer | OPT+S | $108.50 | 2,625 | $284,813 | 6,677 |
| 2026-03-12 23:55 | 2026-03-10 | HTFL | Heartflow, Inc. | Farquhar John C.M. | Director, Officer | SELL | $22.66 | 12,837 | $290,886 | 581,450 |
| 2026-03-13 00:01 | 2026-03-10 | MDLN | Medline Inc. | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% owner | SELL | $40.51 | 26,131,237 | $1,058,524,148 | 7,895,482 |
| 2026-03-12 20:30 | 2026-03-10 | MDLN | Medline Inc. | TC Group Cayman Investment Holdings, L.P. | 10% owner | SELL | $41.00 | 26,105,840 | $1,070,339,440 | 127,567,724 |
| 2026-03-12 20:30 | 2026-03-10 | MDLN | Medline Inc. | CP Circle ML Holdco GP, LLC | 10% owner | SELL | $41.00 | 26,105,840 | $1,070,339,440 | 127,567,724 |
| 2026-03-12 20:30 | 2026-03-10 | MDLN | Medline Inc. | Carlyle Mozart Coinvestment Holdings, L.P. | 10% owner | SELL | $41.00 | 26,105,840 | $1,070,339,440 | 127,567,724 |
| 2026-03-12 20:30 | 2026-03-10 | MDLN | Medline Inc. | Carlyle Group Inc. | 10% owner | SELL | $41.00 | 26,105,840 | $1,070,339,440 | 127,567,724 |
| 2026-03-12 20:15 | 2026-03-10 | MDLN | Medline Inc. | BX Mozart ML-2 Holdco L.P. | 10% owner | SELL | $40.51 | 27,852,986 | $1,128,268,757 | 1,539 |
| 2026-03-12 20:15 | 2026-03-10 | MDLN | Medline Inc. | BCP 8 Holdings Mozart Manager L.L.C. | 10% owner | SELL | $40.51 | 27,852,986 | $1,128,268,757 | 1,539 |
| 2026-03-12 19:58 | 2026-03-10 | NMTC | NEUROONE MEDICAL TECHNOLOGIES Corp | Christianson Mark | Officer | SELL | $0.80 | 13,720 | $10,976 | 215,200 |
| 2026-03-12 20:02 | 2026-03-10 | PRCT | PROCEPT BioRobotics Corp | Nouri Alaleh | Officer | SELL | $25.65 | 3,243 | $83,197 | 111,021 |
| 2026-03-11 20:30 | 2026-03-11 | RCEL | AVITA Medical, Inc. | O'Toole David D | Officer | BUY | $4.78 | 1,800 | $8,604 | 141,927 |
| 2026-03-11 12:29 | 2026-03-09 | RMD | RESMED INC | Farrell Michael J. | Director, Officer | OPT+S | $251.03 | 4,991 | $1,252,902 | 466,223 |
| 2026-03-11 10:31 | 2026-03-10 | SOLV | Solventum Corp | Wendell Amy McBride | Director | BUY | $68.03 | 1,475 | $100,344 | 5,039 |
| 2026-03-10 22:00 | 2026-03-06 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $12.38 | 116,367 | $1,441,042 | 1,726,209 |
| 2026-03-10 20:05 | 2026-03-09 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $100.06 | 7,500 | $750,475 | 2,247,500 |
| 2026-03-10 22:03 | 2026-03-06 | SSII | SS Innovations International, Inc. | Sudhir Srivastava | Director, Officer, 10% owner | BUY | $4.01 | 498,753 | $2,000,000 | 109,851,767 |
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.