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STEX Insider Trading

Insider Ownership Percentage: 52.73%
Insider Buying (Last 12 Months): $3,825,628.33
Insider Selling (Last 12 Months): $0.00

Biosig Technologies Insider Trading History Chart

This chart shows the insider buying and selling history at Biosig Technologies by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Biosig Technologies Share Price & Price History

Current Price: $1.94
Price Change: +0.30 (1.20%)
As of 03/13/2026 05:00 PM ET

This chart shows the closing price history over time for STEX up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Biosig Technologies Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/18/2026Morgan Lee LekstromChairmanBuy20,000$2.50$50,000.00122,500View SEC Filing Icon  
2/4/2026Frank GiustraMajor ShareholderBuy100,000$3.17$317,000.001,278,205View SEC Filing Icon  
2/3/2026Morgan Lee LekstromDirectorBuy23,500$3.06$71,910.00102,500View SEC Filing Icon  
1/29/2026Morgan Lee LekstromDirectorBuy2,500$3.70$9,250.0079,000View SEC Filing Icon  
1/27/2026Morgan Lee LekstromDirectorBuy5,500$3.12$17,160.0076,500View SEC Filing Icon  
1/26/2026Morgan Lee LekstromDirectorBuy23,000$3.30$75,900.0071,000View SEC Filing Icon  
1/23/2026Frank GiustraMajor ShareholderBuy1,000,000$3.00$3,000,000.001,178,205View SEC Filing Icon  
1/23/2026Mitchell Young WilliamsCIOBuy51,511$3.03$156,078.331,051,511View SEC Filing Icon  
1/23/2026Morgan Lee LekstromDirectorBuy41,000$3.13$128,330.0048,000View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Biosig Technologies (NASDAQ:STEX)

7.16% of Biosig Technologies stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Biosig Technologies logo
BioSig Technologies, Inc., together with its subsidiaries, operates as medical device company. The company's proprietary product includes precise uninterrupted real-time evaluation of electrograms electrophysiology (PURE EP) system, a signal processing platform that combines hardware and software to address known challenges associated to signal acquisition that enables electrophysiologists to see signals and analyze in real-time. It also focuses on enhancing intracardiac signal acquisition and diagnostic information for the procedures of atrial fibrillation, as well as is designed to address long-standing limitations that slow and disrupt cardiac catheter ablation procedures. The company has a research agreement with University of Minnesota to develop novel therapies to treat sympathetic nervous system diseases; and a strategic collaboration with the Mayo Foundation for Medical Education and Research to develop an AI-and machine learning software solution for PURE EP systems. BioSig Technologies, Inc. was incorporated in 2009 and is headquartered in Westport, Connecticut.
Read More on Biosig Technologies

Today's Range

Now: $1.94
Low: $1.89
High: $2.04

50 Day Range

MA: N/A

52 Week Range

Now: $1.94
Low: $0.40
High: $14.11

Volume

1,243,540 shs

Average Volume

1,648,901 shs

Market Capitalization

$346.33 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.6

Who are the company insiders with the largest holdings of Biosig Technologies?

Biosig Technologies' top insider shareholders include:
  1. Frank Giustra (Major Shareholder)
  2. Mitchell Young Williams (CIO)
  3. Morgan Lee Lekstrom (Chairman)
  4. Morgan Lee Lekstrom (Director)
Learn More about top insider investors at Biosig Technologies.

Who are the major institutional investors of Biosig Technologies?

Biosig Technologies' top institutional investors include:
  1. Simplex Trading LLC — 0.00%
  2. Jane Street Group LLC — 0.00%
  3. Group One Trading LLC — 0.00%
Learn More about top institutional investors of Biosig Technologies stock.

Which institutional investors are buying Biosig Technologies stock?

Within the last quarter, STEX stock was bought by institutional investors including:
  1. Simplex Trading LLC
  2. Jane Street Group LLC
  3. Group One Trading LLC
In the last year, these company insiders have bought Biosig Technologies stock:
  1. Frank Giustra (Major Shareholder)
  2. Mitchell Young Williams (CIO)
  3. Morgan Lee Lekstrom (Chairman)
  4. Morgan Lee Lekstrom (Director)
Learn More investors buying Biosig Technologies stock.