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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-17 00:04 | 2025-12-15 | PODD | INSULET CORP | Frederick Wayne A.I. | Director | SELL | $293.09 | 1,851 | $542,510 | 2,158 |
| 2025-12-16 05:24 | 2025-12-12 | ADGM | Adagio Medical Holdings Inc. | Usen Todd | Director, Officer | BUY | $1.09 | 207,315 | $225,973 | 207,315 |
| 2025-12-16 00:57 | 2025-12-11 | SI | SHOULDER INNOVATIONS, INC. | Points Jeffrey S. | Officer | BUY | $14.82 | 2,000 | $29,632 | 54,445 |
| 2025-12-16 00:51 | 2025-12-11 | SI | SHOULDER INNOVATIONS, INC. | Ball Robert Joseph | Director, Officer | BUY | $14.86 | 7,200 | $107,009 | 118,457 |
| 2025-12-16 03:30 | 2025-12-11 | PEN | Penumbra Inc | Bose Arani | Director | SELL | $308.82 | 15,000 | $4,632,293 | 258,462 |
| 2025-12-16 01:22 | 2025-12-11 | SNWV | SANUWAVE Health, Inc. | MANCHESTER MANAGEMENT CO LLC | SELL | $27.95 | 20,000 | $559,066 | 63,999 | |
| 2025-12-12 21:26 | 2025-12-10 | UFPT | UFP TECHNOLOGIES INC | Holt Jason | Officer | SELL | $213.58 | 100 | $21,358 | 7,678 |
| 2025-12-13 00:40 | 2025-12-11 | NVNO | enVVeno Medical Corp | Duhay Francis | Director | SELL | $0.36 | 4,900 | $1,742 | 92,544 |
| 2025-12-13 03:17 | 2025-12-10 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $20.79 | 21,106 | $438,794 | 439,767 |
| 2025-12-13 03:14 | 2025-12-11 | ATEC | Alphatec Holdings, Inc. | Demski David M | Director | SELL | $21.20 | 30,000 | $636,000 | 399,623 |
| 2025-12-13 03:18 | 2025-12-10 | ATEC | Alphatec Holdings, Inc. | Hunsaker Craig E | Officer | SELL | $20.84 | 32,584 | $679,051 | 1,256,558 |
| 2025-12-13 01:00 | 2025-12-11 | IRMD | IRADIMED CORP | GLENN JOHN | Officer | OPT+S | $97.29 | 15,000 | $1,459,341 | 7,362 |
| 2025-12-12 02:49 | 2025-12-09 | ICU | SeaStar Medical Holding Corp | Messinger Michael | Officer | BUY | $0.35 | 14,500 | $5,098 | 17,500 |
| 2025-12-12 00:05 | 2025-12-09 | NSPR | InspireMD, Inc. | Stuka Paul | Director | BUY | $1.81 | 5,073 | $9,182 | 391,628 |
| 2025-12-12 00:20 | 2025-12-09 | GKOS | GLAUKOS Corp | Kliman Gilbert H | Director | OPT+S | $107.27 | 5,000 | $536,350 | 34,905 |
| 2025-12-11 17:37 | 2025-12-08 | SIBN | SI-BONE, Inc. | DUNN JEFFREY W | Director | OPT+S | $19.33 | 20,000 | $386,594 | 110,115 |
| 2025-12-11 03:00 | 2025-12-08 | ATEC | Alphatec Holdings, Inc. | Sponsel David | Officer | SELL | $21.45 | 988 | $21,193 | 460,873 |
| 2025-12-11 03:00 | 2025-12-08 | ATEC | Alphatec Holdings, Inc. | Squadron Capital LLC | 10% owner | SELL | $21.18 | 250,000 | $5,295,100 | 10,645,045 |
| 2025-12-11 03:00 | 2025-12-08 | ATEC | Alphatec Holdings, Inc. | Pelizzon David R | Director, 10% owner | SELL | $21.18 | 250,000 | $5,295,100 | 10,645,045 |
| 2025-12-11 02:37 | 2025-12-08 | ATEC | Alphatec Holdings, Inc. | Squadron Capital Holdings LLC | 10% owner | SELL | $21.18 | 250,000 | $5,295,100 | 10,645,045 |
| 2025-12-11 02:26 | 2025-12-08 | ATEC | Alphatec Holdings, Inc. | Pritzker Jennifer N. | 10% owner | SELL | $21.18 | 250,000 | $5,295,100 | 10,645,045 |
| 2025-12-11 01:00 | 2025-12-09 | IRMD | IRADIMED CORP | HAWKINS JAMES B | Director | SELL | $96.61 | 3,000 | $289,838 | 28,742 |
| 2025-12-11 05:21 | 2025-12-08 | SNWV | SANUWAVE Health, Inc. | MANCHESTER MANAGEMENT CO LLC | SELL | $30.73 | 144,810 | $4,450,055 | 2,000 | |
| 2025-12-09 23:17 | 2025-12-08 | RMD | RESMED INC | Farrell Michael J. | Director, Officer | OPT+S | $251.41 | 4,991 | $1,254,796 | 466,223 |
| 2025-12-10 00:00 | 2025-12-02 | RDGL | VIVOS INC | Korenko Michael K | Director, Officer | BUY | $0.07 | 100,000 | $7,220 | 10,735,090 |
| 2025-12-10 00:59 | 2025-12-08 | AORT | Artivion Inc. | Horton Amy | Officer | SELL | $44.42 | 4,572 | $203,084 | 130,058 |
| 2025-12-10 03:00 | 2025-12-05 | ATEC | Alphatec Holdings, Inc. | Lish Scott | Officer | SELL | $21.47 | 10,875 | $233,486 | 661,332 |
| 2025-12-10 03:00 | 2025-12-05 | ATEC | Alphatec Holdings, Inc. | Marshall Tyson Eliot | Officer | SELL | $21.47 | 22,889 | $491,525 | 345,442 |
| 2025-12-10 01:00 | 2025-12-08 | IRMD | IRADIMED CORP | Susi Roger E. | Director, Officer, 10% owner | SELL | $95.43 | 5,000 | $477,164 | 2,297,500 |
| 2025-12-10 04:01 | 2025-12-05 | PEN | Penumbra Inc | Roberts Johanna | Officer | SELL | $300.13 | 300 | $90,039 | 63,836 |
| 2025-12-09 16:00 | 2025-12-08 | SINT | Sintx Technologies, Inc. | Honigblum Gregg R. | Director, Officer | BUY | $4.26 | 8,200 | $34,896 | 201,067 |
| 2025-12-10 01:59 | 2025-12-08 | LUNG | Pulmonx Corp | Florin Daniel P | Director | SELL | $1.99 | 23,321 | $46,409 | 93,910 |
| 2025-12-08 15:05 | 2025-12-04 | GUTS | FRACTYL HEALTH, INC. | Rajagopalan Harith | Director, Officer | BUY | $1.92 | 10,416 | $19,999 | 501,745 |
| 2025-12-09 00:05 | 2025-12-05 | NSPR | InspireMD, Inc. | Stuka Paul | Director | BUY | $1.86 | 5,073 | $9,436 | 388,918 |
| 2025-12-08 16:00 | 2025-12-05 | SINT | Sintx Technologies, Inc. | Honigblum Gregg R. | Director, Officer | BUY | $3.93 | 65,000 | $255,353 | 139,000 |
| 2025-12-09 01:02 | 2025-12-04 | BVS | Bioventus Inc. | NOHRA GUY P | Director | SELL | $7.57 | 10,000 | $75,658 | 116,610 |
| 2025-12-09 00:02 | 2025-12-05 | PODD | INSULET CORP | STONESIFER TIMOTHY C. | Director | BUY | $311.73 | 962 | $299,884 | 4,591 |
| 2025-12-06 00:05 | 2025-12-04 | NSPR | InspireMD, Inc. | Stuka Paul | Director | BUY | $1.85 | 10,130 | $18,741 | 383,845 |
| 2025-12-06 05:40 | 2025-12-03 | IVF | INVO Fertility, Inc. | Szot Matthew K | Director | SELL | $1.52 | 4 | $6 | 3 |
| 2025-12-06 03:23 | 2025-12-03 | ALUR | Allurion Technologies Inc. | Davin Michael R | Director | SELL | $1.53 | 3,212 | $4,918 | 0 |
| 2025-12-05 00:20 | 2025-12-02 | BBNX | Beta Bionics, Inc. | Saint Sean | Director, Officer | SELL | $29.34 | 3,278 | $96,163 | 97,924 |
| 2025-12-05 00:20 | 2025-12-02 | BBNX | Beta Bionics, Inc. | Feider Stephen | Officer | SELL | $29.34 | 1,427 | $41,862 | 42,614 |
| 2025-12-05 00:20 | 2025-12-02 | BBNX | Beta Bionics, Inc. | Mensinger Mike | Officer | SELL | $29.34 | 1,063 | $31,184 | 90,752 |
| 2025-12-05 04:52 | 2025-12-03 | AORT | Artivion Inc. | Holloway Jean F | Officer | SELL | $45.30 | 7,315 | $331,370 | 156,093 |
| 2025-12-05 00:05 | 2025-12-02 | INSP | Inspire Medical Systems, Inc. | mcCormick Shawn | Director | SELL | $139.00 | 1,200 | $166,800 | 24,846 |
| 2025-12-05 04:54 | 2025-12-03 | AORT | Artivion Inc. | Mackin James P | Officer | OPT+S | $45.46 | 30,921 | $1,405,700 | 800,993 |
| 2025-12-04 21:46 | 2025-12-03 | RMD | RESMED INC | FARRELL PETER C | Director | SELL | $251.47 | 2,000 | $502,940 | 68,773 |
| 2025-12-04 00:19 | 2025-12-02 | SGHT | Sight Sciences, Inc. | Rodberg James | Officer | SELL | $8.25 | 2,518 | $20,774 | 158,845 |
| 2025-12-04 03:27 | 2025-12-02 | AORT | Artivion Inc. | Mackin James P | Officer | OPT+S | $45.56 | 30,921 | $1,408,730 | 800,993 |
| 2025-12-04 00:35 | 2025-12-02 | IRTC | iRhythm Holdings, Inc. | Patterson Chad | Officer | SELL | $184.83 | 280 | $51,752 | 43,387 |
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.