Electromedical & Electrotherapeutic Apparatus
Standard Industrial Classification: SIC 3845
Industry Insider Sentiment Analysis
The Electromedical & Electrotherapeutic Apparatus sector (SIC 3845) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-06 00:30 | 2025-12-03 | TMDX | TransMedics Group, Inc. | Weill David | Director | OPT+S | $138.64 | 5,000 | $693,200 | 12,134 |
| 2025-12-06 00:30 | 2025-12-04 | TMDX | TransMedics Group, Inc. | Hernandez Gerardo | Officer | SELL | $139.62 | 920 | $128,450 | 15,064 |
| 2025-12-06 00:15 | 2025-12-04 | ECOR | electroCore, Inc. | Lev Joshua S. | Officer | SELL | $5.05 | 2,500 | $12,625 | 21,667 |
| 2025-12-04 22:16 | 2025-12-02 | CBLL | Ceribell, Inc. | ROBERTSON REBECCA B | Director | SELL | $16.67 | 827 | $13,786 | 8,388 |
| 2025-12-05 00:02 | 2025-12-02 | IRIX | IRIDEX CORP | Dizon Romeo R | Officer | BUY | $0.95 | 1,584 | $1,498 | 90,320 |
| 2025-12-03 21:34 | 2025-12-01 | CBLL | Ceribell, Inc. | Woo Raymond | Officer | OPT+S | $12.28 | 11,112 | $136,455 | 167,704 |
| 2025-12-03 21:33 | 2025-12-01 | CBLL | Ceribell, Inc. | Chao Xingjuan | Director, Officer | OPT+S | $16.59 | 25,000 | $414,750 | 798,135 |
| 2025-12-03 15:00 | 2025-12-02 | ECOR | electroCore, Inc. | Goldberger Daniel S | Director, Officer | BUY | $4.84 | 1,000 | $4,840 | 292,565 |
| 2025-12-03 01:39 | 2025-12-01 | OM | Outset Medical, Inc. | Drexler Karen | Director | SELL | $4.37 | 1,548 | $6,765 | 10,650 |
| 2025-11-29 01:35 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | Officer | SELL | $26.74 | 110 | $2,941 | 25,927 |
| 2025-11-29 01:35 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | Officer | SELL | $26.74 | 584 | $15,616 | 182,769 |
| 2025-11-29 01:39 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | DuRoss Amy | Director | SELL | $27.00 | 4,000 | $108,000 | 20,687 |
| 2025-11-29 01:35 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Aebersold Sarah | Officer | SELL | $26.74 | 217 | $5,803 | 76,952 |
| 2025-11-29 01:35 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Officer | SELL | $26.74 | 415 | $11,097 | 192,838 |
| 2025-11-29 01:35 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Berard Todd | Officer | SELL | $26.74 | 351 | $9,386 | 133,266 |
| 2025-11-29 01:35 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Mathew Aby J. | Officer | SELL | $26.74 | 526 | $14,065 | 350,386 |
| 2025-11-27 00:30 | 2025-11-25 | TMDX | TransMedics Group, Inc. | Ranganath Anil P. | Officer | OPT+S | $145.22 | 3,000 | $435,660 | 13,955 |
| 2025-11-26 02:39 | 2025-11-21 | CBLL | Ceribell, Inc. | Chao Xingjuan | Director, Officer | OPT+S | $15.13 | 50,000 | $756,500 | 798,135 |
| 2025-11-24 21:18 | 2025-11-21 | CNMD | CONMED Corp | Glaze Richard | Officer | SELL | $41.21 | 257 | $10,591 | 0 |
| 2025-11-22 02:34 | 2025-11-19 | BLFS | BIOLIFE SOLUTIONS INC | DuRoss Amy | Director | SELL | $24.76 | 6,000 | $148,545 | 24,687 |
| 2025-11-22 00:13 | 2025-11-19 | MDT | Medtronic plc | Smith Gregory L | Officer | SELL | $101.95 | 30,000 | $3,058,452 | 46,016 |
| 2025-11-21 20:44 | 2025-11-21 | STEX | Streamex Corp. | Lekstrom Morgan Lee | Director | BUY | $3.58 | 7,000 | $25,060 | 7,000 |
| 2025-11-21 18:04 | 2025-11-20 | IRIX | IRIDEX CORP | Dizon Romeo R | Officer | BUY | $0.96 | 5,760 | $5,530 | 88,736 |
| 2025-11-20 19:42 | 2025-11-19 | IRIX | IRIDEX CORP | Dizon Romeo R | Officer | BUY | $0.96 | 1,000 | $960 | 82,976 |
| 2025-11-20 03:07 | 2025-11-19 | HYPR | Hyperfine, Inc. | TEISSEYRE THOMAS | Officer | SELL | $1.08 | 1,405 | $1,517 | 379,657 |
| 2025-11-19 23:57 | 2025-11-18 | LIVN | LivaNova PLC | Story Brooke | Director | SELL | $53.94 | 250 | $13,485 | 6,232 |
| 2025-11-19 17:05 | 2025-11-18 | IRIX | IRIDEX CORP | Dizon Romeo R | Officer | BUY | $0.94 | 2,133 | $2,005 | 81,976 |
| 2025-11-19 00:05 | 2025-11-17 | SMLR | Semler Scientific, Inc. | Murphy-Chutorian Douglas | Director, Officer | OPT+S | $20.21 | 70,406 | $1,422,610 | 54,594 |
| 2025-11-19 00:33 | 2025-11-17 | OM | Outset Medical, Inc. | Nash Marc | Officer | SELL | $4.60 | 247 | $1,136 | 48,268 |
| 2025-11-19 00:28 | 2025-11-17 | OM | Outset Medical, Inc. | Brottem John L. | Officer | SELL | $4.60 | 388 | $1,785 | 46,495 |
| 2025-11-19 00:30 | 2025-11-17 | TMDX | TransMedics Group, Inc. | Hassanein Waleed H | Director, Officer | BUY | $114.00 | 8,775 | $1,000,350 | 495,009 |
| 2025-11-19 00:37 | 2025-11-17 | OM | Outset Medical, Inc. | Trigg Leslie | Director, Officer | SELL | $4.60 | 916 | $4,214 | 121,412 |
| 2025-11-18 23:22 | 2025-11-14 | STXS | Stereotaxis, Inc. | Isaac Paul J | Director | BUY | $2.22 | 30,000 | $66,600 | 97,299 |
| 2025-11-18 22:56 | 2025-11-14 | IRIX | IRIDEX CORP | MOORE WILLIAM M | Director | BUY | $0.97 | 50,000 | $48,330 | 250,674 |
| 2025-11-18 17:58 | 2025-11-17 | IRIX | IRIDEX CORP | Dizon Romeo R | Officer | BUY | $0.96 | 3,124 | $2,999 | 79,843 |
| 2025-11-17 17:00 | 2025-11-15 | VANI | Vivani Medical, Inc. | Williams Gregg | Director, 10% owner | BUY | $1.14 | 1,737,764 | $1,983,310 | 23,088,579 |
| 2025-11-17 17:05 | 2025-11-14 | IRIX | IRIDEX CORP | Dizon Romeo R | Officer | BUY | $0.88 | 14,769 | $12,997 | 76,719 |
| 2025-11-15 00:33 | 2025-11-12 | ECOR | electroCore, Inc. | Lev Joshua S. | Officer | SELL | $6.18 | 2,166 | $13,386 | 23,667 |
| 2025-11-13 21:50 | 2025-11-11 | CBLL | Ceribell, Inc. | Woo Raymond | Officer | OPT+S | $12.28 | 11,112 | $136,455 | 167,704 |
| 2025-11-14 00:31 | 2025-11-10 | AXGN | Axogen, Inc. | Burke William P. Mr. | Director | OPT+S | $24.01 | 22,818 | $547,890 | 100 |
| 2025-11-14 01:18 | 2025-11-11 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Director, Officer | SELL | $25.80 | 100,000 | $2,580,420 | 389,998 |
| 2025-11-13 16:12 | 2025-11-11 | ITGR | Integer Holdings Corp | Thomas Tommy P | Officer | SELL | $70.15 | 884 | $62,013 | 3,596 |
| 2025-11-14 00:18 | 2025-11-12 | ITGR | Integer Holdings Corp | Harris John A | Officer | BUY | $70.00 | 1,650 | $115,500 | 6,066 |
| 2025-11-10 16:19 | 2025-11-07 | ITGR | Integer Holdings Corp | Smith Diron | Officer | BUY | $67.19 | 1,116 | $74,967 | 7,698 |
| 2025-11-10 16:16 | 2025-11-06 | ITGR | Integer Holdings Corp | Capps Cheryl C | Director | BUY | $66.70 | 1,600 | $106,720 | 11,702 |
| 2025-11-08 00:06 | 2025-11-06 | CNMD | CONMED Corp | Garner Todd W | Officer | SELL | $43.00 | 3,500 | $150,500 | 1,836 |
| 2025-11-08 00:52 | 2025-11-05 | AXGN | Axogen, Inc. | Burke William P. Mr. | Director | OPT+S | $24.04 | 16,778 | $403,264 | 100 |
| 2025-10-31 23:30 | 2025-10-29 | TMDX | TransMedics Group, Inc. | Basile Edward M | Director | OPT+S | $130.45 | 4,142 | $540,324 | 2,866 |
| 2025-10-31 23:09 | 2025-10-29 | AXGN | Axogen, Inc. | Burke William P. Mr. | Director | OPT+S | $21.32 | 58,483 | $1,246,717 | 100 |
| 2025-10-30 23:05 | 2025-10-30 | ITGR | Integer Holdings Corp | Khales Payman | Director, Officer | BUY | $64.94 | 3,127 | $203,067 | 22,865 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Electromedical & Electrotherapeutic Apparatus sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3845) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Electromedical & Electrotherapeutic Apparatus
Every transaction in the Electromedical & Electrotherapeutic 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.