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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-21 00:52 | 2026-01-15 | CBLL | Ceribell, Inc. | Parvizi Josef | Director | SELL | $22.94 | 25,000 | $573,500 | 747,652 |
| 2026-01-20 17:00 | 2026-01-15 | VANI | Vivani Medical, Inc. | Williams Gregg | Director, 10% owner | BUY | $1.14 | 1,737,765 | $1,983,311 | 26,564,109 |
| 2026-01-17 01:01 | 2026-01-16 | IRIX | IRIDEX CORP | Dizon Romeo R | Officer | BUY | $1.43 | 3,496 | $5,006 | 96,181 |
| 2026-01-09 01:04 | 2026-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | Officer | SELL | $25.59 | 990 | $25,334 | 150,746 |
| 2026-01-09 01:04 | 2026-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Aebersold Sarah | Officer | SELL | $25.59 | 241 | $6,167 | 75,765 |
| 2026-01-09 01:04 | 2026-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Officer | SELL | $25.59 | 335 | $8,573 | 191,984 |
| 2026-01-09 01:03 | 2026-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Berard Todd | Officer | SELL | $25.59 | 344 | $8,803 | 132,564 |
| 2026-01-09 01:04 | 2026-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Mathew Aby J. | Officer | SELL | $25.59 | 405 | $10,364 | 349,350 |
| 2026-01-09 01:10 | 2026-01-07 | OM | Outset Medical, Inc. | Nash Marc | Officer | SELL | $4.27 | 108 | $461 | 48,160 |
| 2026-01-09 01:09 | 2026-01-07 | OM | Outset Medical, Inc. | Brottem John L. | Officer | SELL | $4.27 | 224 | $956 | 46,271 |
| 2026-01-09 01:05 | 2026-01-07 | OM | Outset Medical, Inc. | Trigg Leslie | Director, Officer | SELL | $4.27 | 1,795 | $7,665 | 119,617 |
| 2026-01-08 03:12 | 2026-01-05 | CBLL | Ceribell, Inc. | Foehr David | Officer | OPT+S | $22.60 | 5,556 | $125,566 | 18,900 |
| 2026-01-08 02:09 | 2026-01-05 | CBLL | Ceribell, Inc. | Chao Xingjuan | Director, Officer | OPT+S | $21.27 | 79,000 | $1,680,046 | 741,248 |
| 2026-01-07 01:16 | 2026-01-02 | CBLL | Ceribell, Inc. | Woo Raymond | Officer | OPT+S | $21.18 | 11,112 | $235,382 | 167,317 |
| 2026-01-07 01:16 | 2026-01-02 | CBLL | Ceribell, Inc. | ROBERTSON REBECCA B | Director | OPT+S | $21.89 | 2,500 | $54,725 | 19,576 |
| 2026-01-07 01:15 | 2025-06-17 | CBLL | Ceribell, Inc. | ROBERTSON REBECCA B | Director | SELL | $17.63 | 7,445 | $131,255 | 21,230 |
| 2025-12-31 17:00 | 2025-12-29 | VANI | Vivani Medical, Inc. | Mendelsohn Aaron | Director | BUY | $1.23 | 20,000 | $24,600 | 188,170 |
| 2025-12-29 21:40 | 2025-12-22 | CBLL | Ceribell, Inc. | Blumberg Scott | Officer | OPT+S | $21.00 | 36,000 | $756,000 | 118,842 |
| 2025-12-30 01:12 | 2025-12-23 | NRXS | Neuraxis, INC | Aharon Gil | Director | BUY | $3.52 | 286,138 | $1,007,206 | 286,138 |
| 2025-12-18 22:55 | 2025-12-16 | IRIX | IRIDEX CORP | MOORE WILLIAM M | Director | BUY | $1.01 | 2,000 | $2,020 | 251,550 |
| 2025-12-18 00:24 | 2025-12-15 | AXGN | Axogen, Inc. | Hartley Lindsey Marie | Officer | OPT+S | $29.86 | 14,812 | $442,294 | 31,376 |
| 2025-12-18 00:25 | 2025-12-16 | AXGN | Axogen, Inc. | Weiler Kathy Johnson | Director | OPT+S | $29.55 | 46,653 | $1,378,475 | 0 |
| 2025-12-18 01:26 | 2025-12-09 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | Officer | SELL | $25.13 | 1,033 | $25,959 | 151,736 |
| 2025-12-18 04:07 | 2025-12-15 | CBLL | Ceribell, Inc. | Parvizi Josef | Director | SELL | $21.49 | 25,000 | $537,250 | 772,652 |
| 2025-12-18 01:25 | 2025-12-15 | BLFS | BIOLIFE SOLUTIONS INC | DuRoss Amy | Director | SELL | $24.60 | 2,000 | $49,200 | 18,687 |
| 2025-12-18 01:26 | 2025-12-09 | BLFS | BIOLIFE SOLUTIONS INC | Aebersold Sarah | Officer | SELL | $24.63 | 946 | $23,295 | 76,006 |
| 2025-12-18 01:25 | 2025-12-09 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Officer | SELL | $25.13 | 519 | $13,042 | 192,319 |
| 2025-12-18 01:25 | 2025-12-09 | BLFS | BIOLIFE SOLUTIONS INC | Berard Todd | Officer | SELL | $25.13 | 358 | $8,997 | 132,908 |
| 2025-12-18 01:26 | 2025-12-09 | BLFS | BIOLIFE SOLUTIONS INC | Mathew Aby J. | Officer | SELL | $25.13 | 631 | $15,857 | 349,755 |
| 2025-12-18 00:25 | 2025-12-16 | AXGN | Axogen, Inc. | Wendell Amy McBride | Director | OPT+S | $29.31 | 43,684 | $1,280,465 | 93,826 |
| 2025-12-16 17:00 | 2025-12-15 | VANI | Vivani Medical, Inc. | Williams Gregg | Director, 10% owner | BUY | $1.14 | 1,737,765 | $1,983,311 | 24,826,344 |
| 2025-12-16 22:44 | 2025-12-15 | IRIX | IRIDEX CORP | MOORE WILLIAM M | Director | BUY | $0.00 | 20,000 | $0 | 249,550 |
| 2025-12-15 19:58 | 2025-12-11 | IRIX | IRIDEX CORP | MOORE WILLIAM M | Director | BUY | $0.00 | 30,000 | $0 | 280,674 |
| 2025-12-15 19:21 | 2025-12-12 | IRIX | IRIDEX CORP | Dizon Romeo R | Officer | BUY | $0.97 | 2,365 | $2,296 | 92,685 |
| 2025-12-13 00:05 | 2025-12-11 | AXGN | Axogen, Inc. | Began Marc A | Officer | SELL | $30.00 | 13,222 | $396,660 | 18,285 |
| 2025-12-13 00:06 | 2025-12-10 | AXGN | Axogen, Inc. | DALE MICHAEL D | Officer | SELL | $30.00 | 25,000 | $750,000 | 63,537 |
| 2025-12-12 00:48 | 2025-12-09 | CBLL | Ceribell, Inc. | BURKE WILLIAM W | Director | OPT+S | $22.02 | 32,728 | $720,671 | 17,391 |
| 2025-12-11 01:18 | 2025-12-08 | AXGN | Axogen, Inc. | Hartley Lindsey Marie | Officer | OPT+S | $31.56 | 14,387 | $454,005 | 31,376 |
| 2025-12-11 01:20 | 2025-12-09 | AXGN | Axogen, Inc. | Kemp Jens | Officer | SELL | $31.21 | 8,156 | $254,532 | 46,030 |
| 2025-12-11 01:20 | 2025-12-09 | AXGN | Axogen, Inc. | TYNDALL JOSEPH A. | Director | OPT+S | $30.98 | 25,108 | $777,771 | 0 |
| 2025-12-11 04:00 | 2025-12-08 | CBLL | Ceribell, Inc. | Parvizi Josef | Director | SELL | $20.26 | 25,000 | $506,500 | 797,652 |
| 2025-12-11 01:19 | 2025-12-09 | AXGN | Axogen, Inc. | Began Marc A | Officer | SELL | $31.21 | 9,278 | $289,548 | 31,507 |
| 2025-12-11 01:20 | 2025-12-09 | AXGN | Axogen, Inc. | DeVinney Erick Wayne | Officer | SELL | $31.21 | 19,517 | $609,087 | 241,132 |
| 2025-12-11 01:19 | 2025-12-08 | AXGN | Axogen, Inc. | JOHNSON JOHN | Director | OPT+S | $30.64 | 45,379 | $1,390,394 | 0 |
| 2025-12-10 21:02 | 2025-12-08 | CBLL | Ceribell, Inc. | ROBERTSON REBECCA B | Director | OPT+S | $20.00 | 5,000 | $100,000 | 8,388 |
| 2025-12-11 01:21 | 2025-12-09 | AXGN | Axogen, Inc. | DALE MICHAEL D | Officer | SELL | $31.21 | 61,463 | $1,918,137 | 88,537 |
| 2025-12-11 01:19 | 2025-12-09 | AXGN | Axogen, Inc. | THOMAS PAUL | Director | SELL | $29.61 | 21,399 | $633,710 | 13,528 |
| 2025-12-08 21:01 | 2025-12-04 | CBLL | Ceribell, Inc. | Chao Xingjuan | Director, Officer | OPT+S | $18.82 | 25,000 | $470,500 | 798,135 |
| 2025-12-06 02:44 | 2025-12-04 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | Officer | SELL | $25.72 | 30,000 | $771,600 | 152,769 |
| 2025-12-06 01:35 | 2025-12-03 | CBLL | Ceribell, Inc. | Foehr David | Officer | OPT+S | $16.83 | 5,265 | $88,610 | 19,384 |
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.