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Autonomix adds Sandra Cohen Kalter to board

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8-K

Rhea-AI Filing Summary

Autonomix Medical, Inc. (AMIX) reported that its Board of Directors increased its size from five to six members and appointed Sandra Cohen Kalter

Kalter brings more than four decades of MedTech, FDA regulatory and strategic transaction experience, including 20 years in senior legal and regulatory leadership roles at Medtronic plc, where she served as Vice President and Chief Regulatory Counsel. Her background also includes 13 years as FDA/Healthcare Counsel at King & Spalding LLP and prior board and committee service at key industry organizations.

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Filing Explained

The appointment took effect immediately, and the new independent director entered the company’s standard non-employee director compensation program; no committee assignment was made, so the filing adds a compensation obligation without disclosing its amount or a broader structural change.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance
Key personnel changes including departures, elections, or appointments of directors and executive officers.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Board size after change 6 directors Board size increased from five to six members on September 14, 2026
Autonomix board change effective date September 14, 2026 Effective date of Sandra Cohen Kalter’s appointment as independent director
Medtronic tenure 20 years Time Sandra Cohen Kalter served in senior roles at Medtronic
King & Spalding tenure 13 years Period she served as FDA/Healthcare Counsel at King & Spalding LLP
AdvaMed service period 2011–2025 Years she served on AdvaMed, including Legal Committee and working groups
Breakthrough T1D board service 2016–2019 Period of board membership at Breakthrough T1D (formerly JDRF)
renal denervation medical
"supporting the Symplicity Spyral Renal Denervation system and other technologies"
Renal denervation is a minimally invasive medical procedure that reduces high blood pressure by disrupting overactive nerves around the kidneys, effectively turning down the signals that cause blood vessels to constrict. It matters to investors because clinical results, regulatory approvals, adoption by doctors and insurers, and device sales determine the size and timing of a potential new market for medical device makers and healthcare providers, similar to how a popular new tool can reshape demand in an industry.
Transcatheter Pacing System medical
"including the Micra Transcatheter Pacing System"
Pulsed Field Ablation medical
"PulseSelect Pulsed Field Ablation system"
Pulsed field ablation is a heart procedure that uses very short, high-voltage electrical pulses to selectively disrupt abnormal heart tissue that causes irregular rhythms, rather than heating or freezing it. For investors, it matters because this approach can shorten procedure times, reduce damage to nearby structures, and potentially lower complication rates compared with traditional thermal methods, which can affect device adoption, hospital costs, and market demand for treatment tools.
neuromodulation medical
"developing technology at the intersection of sensing, neuromodulation and intervention"
Neuromodulation is the use of devices or targeted treatments to change how nerves or brain circuits send signals, much like adjusting the volume or tuning on an audio system to alter what you hear. For investors, it matters because these therapies can treat chronic conditions (pain, movement disorders, depression) where existing medicines fall short, creating potential markets, regulatory milestones, and durable revenue streams if technologies prove safe and effective.
forward-looking statements regulatory
"Some of the statements in this release are forward-looking statements"
Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What board change did Autonomix Medical (AMIX) announce on September 14, 2026?

Autonomix Medical’s Board of Directors increased in size from five to six members and appointed Sandra Cohen Kalter as an independent director, effective September 14, 2026, under the company’s standard compensation program for non-employee directors.

Who is Sandra Cohen Kalter, the new Autonomix Medical (AMIX) board member?

Sandra Cohen Kalter is the former Vice President and Chief Regulatory Counsel of Medtronic plc, with more than four decades of MedTech experience, including senior leadership roles overseeing regulatory, clinical, quality, promotion and medical safety functions.

What prior experience does Sandra Cohen Kalter bring to Autonomix Medical (AMIX)?

Kalter spent about 20 years at Medtronic in senior regulatory roles and 13 years at King & Spalding LLP as FDA/Healthcare Counsel. She also served as a strategic advisor to iTolerance and held board or committee positions at AdvaMed, Food and Drug Law Institute and Breakthrough T1D.

Will Sandra Cohen Kalter serve on any Autonomix Medical (AMIX) board committees?

Autonomix discloses that Ms. Kalter has not been appointed to any Board committees at this time. She will provide strategic guidance as a Board member while participating in the company’s standard compensation program for non-employee directors.

What is Autonomix Medical’s (AMIX) core technology focus as described in this filing?

Autonomix is a medical device company developing a catheter-based microchip sensing array intended to detect and differentiate neural signals for nerve-targeted diagnosis and treatment across multiple indications. The company notes its technology is investigational and not yet cleared for U.S. marketing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
false 0001617867 0001617867 2026-09-14 2026-09-14
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 

 
FORM 8-K
 
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
 
Date of Report (Date of earliest event reported): September 14, 2026
 

 
logo.jpg
 
Autonomix Medical, Inc.
(Exact name of registrant as specified in its charter)
 

 
Delaware
001-41940
47-1607810
(State or other jurisdiction of
incorporation or organization)
(Commission File Number)
(I.R.S. Employer Identification No.)
 
21 Waterway Avenue, Suite 300
The WoodlandsTX 77380
(Address of principal executive offices) (Zip Code)
 
Registrants telephone number, including area code: (713588-6150
 
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
 

 
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
 
 
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
 
 
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
 
 
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
 
 
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
 
Securities registered pursuant to Section 12(b) of the Act:
 
Title of Each Class
Trading Symbol(s)
Name of Each Exchange on which Registered
Common Stock, par value $0.001 per share
AMIX
The Nasdaq Stock Market LLC
 
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
 
Emerging growth company 
 
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.                                             
 

 
Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
 
On September 14, 2026, Autonomix Medical, Inc. (the “Company”) Board of Directors (the “Board”) increased the size of the Board from five to six members and appointed Sandra Kalter as an independent member of the Company’s Board, effective immediately.
 
From July 2005 to January 2025, Ms. Kalter served in various senior leadership positions, including most recently as Chief Regulatory Counsel and Vice-President from May 2011 to January 2025, overseeing legal strategy for global regulatory, quality, clinical, promotion and advertising and medical safety for Medtronic plc, a global medical device leader. Ms. Kalter has authored numerous publications in the field and won leadership and service awards both at Medtronic, Inc. and in the industry. Ms. Kalter served from November 2025 to April 2026 as a Strategic Advisor to iTolerance, a privately held premarket company in the Type 1 diabetes space. Ms. Kalter has served on various boards and committees, including AdvaMed from 2011 to 2025, where she served as a member of the Legal Committee through December 2025, Co-Chair of the Advertising and Promotion Working Group, and Co-Chair of the Off Label Working Group; Board member of the Food and Drug Law Institute from 2017 to 2020, and Breakthrough T1D (formerly JDRF) from 2016 to 2019. Ms. Kalter has a juris doctor from The National Law Center, George Washington University and a BSJ in Journalism from Northwestern University. We believe Ms. Kalter's extensive experience in the medical device industry provides her with the qualifications to serve as a director.
 
Upon Ms. Kalter’s appointment, she will participate in the Company’s standard compensation program for non-employee directors. Ms. Kalter has not been appointed to any committees of the Board at this time. There are no arrangements or understandings between Ms. Kalter and any other person pursuant to which Ms. Kalter was selected as a director. There are no family relationships between Ms. Kalter and any director or executive officer of the Company, and Ms. Kalter has no direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.
 
Item 9.01 Financial Statements and Exhibits
 
(d) Exhibits
 
No.
 
Description
99.1
 
Press Release dated September 16, 2026
104
 
Cover page Interactive Data File (formatted as Inline XBRL document)
 

 
Signature
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 
 
 
 
 
AUTONOMIX MEDICAL, INC.
 
 
 
 
 
 
 
 
 
 
By:
/s/ Trent Smith                      
 
 
 
Trent Smith
 
 
 
Chief Financial Officer
 
 
 
Dated: September 16, 2026
 

Exhibit 99.1

 

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Autonomix Medical Appoints Former Medtronic Chief Regulatory Counsel Sandra Cohen Kalter to Board of Directors

 

Appointment adds more than four decades of MedTech leadership, FDA regulatory and strategic transaction experience, including work supporting renal denervation and other category-defining technologies

 

THE WOODLANDS, TX, September 16, 2026 — Autonomix Medical, Inc. (NASDAQ: AMIX) (“Autonomix” or the “Company”), a medical device company dedicated to advancing precision nerve-targeted treatments, today announced the appointment of Sandra Cohen Kalter, former Vice President and Chief Regulatory Counsel of Medtronic plc (Medtronic) as a Board Member for Autonomix.

 

i01.jpg

Ms. Kalter brings more than four decades of experience across the medical device and healthcare industries, including extensive senior-level experience at Medtronic, one of the world’s largest and most diversified medical technology companies. During her tenure at Medtronic, she played a key role in regulatory, clinical and strategic initiatives spanning multiple business units and oversaw due diligence and integration activities associated with more than 27 acquisitions.

 

Her Medtronic experience includes supporting some of the company’s most significant and innovative technologies, including the Symplicity Spyral™ Renal Denervation system, Evolut™ TAVR platform, Micra™ Transcatheter Pacing System, and PulseSelect™ Pulsed Field Ablation system. Her experience also includes involvement with the acquisition and integration of technologies that contributed to Medtronic’s expansion of its renal denervation platforms and electrophysiology.

 

“Sandy brings an extraordinary level of MedTech experience to Autonomix, particularly from her time at Medtronic, where she was at the intersection of regulatory strategy, clinical development, technology evaluation and corporate transactions,” said Walter Klemp, Chairman of the Board of Autonomix. “Her firsthand understanding of how a global medical device leader evaluates emerging technologies, navigates regulatory pathways and approaches strategic partnerships and acquisitions is exceptionally valuable to Autonomix as we advance our technology and expand our relationships across the industry.”

 


 

As a Board Member, Ms. Kalter will provide strategic guidance to Autonomix’s Board and management team as the Company advances its proprietary technologies and evaluates opportunities to expand its technology across additional therapeutic applications. Her experience is also expected to support the Company’s strategic discussions with potential industry partners and other stakeholders as Autonomix continues to develop its platform.

 

“I am excited to join Autonomix as a Board Member at an important stage in the Company’s development,” said Sandra Cohen Kalter. “Having spent much of my career at Medtronic helping guide innovative technologies through complex regulatory, clinical and strategic processes, I understand the importance of combining strong technology with a thoughtful development and commercialization strategy. Autonomix has developed a differentiated approach to nerve sensing and targeted therapy, leveraging advanced technology to potentially revolutionize how clinicians detect, interpret and treat nerve-related conditions. I believe Autonomix is well positioned to advance this technology toward clinical development and unlock its broader potential across the medical device landscape. I look forward to working with the Board and management team as the Company moves this important technology forward.”

 

Extensive Medtronic Experience

 

During her 20 years at Medtronic, Ms. Kalter served in senior legal regulatory leadership roles, including Vice President and Chief Regulatory Counsel, advising Medtronic business units on FDA strategy, clinical and legal regulatory matters, quality systems, product development and commercialization.

 

Her Medtronic experience includes:

 

More than 27 acquisitions: Oversaw due diligence and integration activities for more than 27 acquisitions, including technologies that expanded Medtronic’s capabilities in renal denervation, electrophysiology and other areas of medical technology.

 

Category-defining technologies: Regulatory and strategic involvement with major Medtronic platforms including Symplicity Spyral™ Renal Denervation, Evolut™ TAVR, Micra™ Transcatheter Pacing System and PulseSelect™ PFA.

 

FDA and legal regulatory leadership: Built and managed an in-house FDA legal team supporting Medtronic’s business units and helping guide legal regulatory strategies for innovative medical technologies.

 

Strategic technology evaluation: Extensive experience evaluating emerging medical technologies and navigating the regulatory, clinical and strategic considerations involved in bringing innovative devices into major medical device portfolios.

 

Prior to joining Medtronic, Ms. Kalter spent 13 years as FDA/Healthcare Counsel at King & Spalding LLP, where she advised clients on complex FDA regulatory matters, including regulatory filings and FDA advisory panel proceedings.

 


 

“Sandy’s experience is particularly relevant to where Autonomix is headed,” commented Brad Hauser, Chief Executive Officer of Autonomix. “We are developing technology at the intersection of sensing, neuromodulation and minimally invasive intervention, and her experience with major platforms in renal denervation and electrophysiology gives her a unique perspective on the opportunity in front of us. We are thrilled to have her strategic insight as we work to advance Autonomix toward clinical development and ultimately position the Company for broader industry partnerships.”

 

Ms. Kalter received a Juris Doctor degree from The George Washington University National Law Center and a Bachelor of Science in Journalism from Northwestern University.

 

About Autonomix Medical, Inc. 

 

Autonomix is a medical device company focused on advancing innovative technologies to revolutionize how diseases involving the nervous system are diagnosed and treated. The Company’s first-in-class platform system technology includes a catheter-based microchip sensing array that may have the ability to detect and differentiate neural signals with greater sensitivity than currently available technologies. We believe this will enable, for the first time ever, transvascular diagnosis and treatment of diseases involving the peripheral nervous system virtually anywhere in the body.

 

Our technology constitutes a platform to address dozens of potential indications, including cardiology, hypertension and chronic pain management, across a wide disease spectrum. Our technology is investigational and has not yet been cleared for marketing in the United States.

 

For more information, visit autonomix.com and connect with the Company on XLinkedIn, Instagram and Facebook.  

 

Forward Looking Statements 

 

Some of the statements in this release are “forward-looking statements,” which involve risks and uncertainties. Such forward-looking statements can be identified by the use of words such as “should,” “might,” “may,” “intends,” “anticipates,” “believes,” “estimates,” “projects,” “forecasts,” “expects,” “plans,” and “proposes.” Forward-looking statements in this press release include, but are not limited to, expectations regarding the potential effectiveness and clinical benefits of Autonomix’s nerve-targeted treatments for pancreatic cancer pain and other conditions, the versatility and scalability of the Company’s platform technology, the potential for future clinical applications across multiple organ systems, the strength and scope of the Company’s intellectual property portfolio, and the potential for the Company’s patented technologies to support patient selection, procedural guidance and post-treatment monitoring across multiple neuromodulation applications.

 


 

Although Autonomix believes that the expectations reflected in these forward-looking statements are based on reasonable assumptions, there are a number of risks and uncertainties that could cause actual results to differ materially from such forward-looking statements. You are urged to carefully review and consider any cautionary statements and other disclosures, including the statements made under the heading “Risk Factors” and elsewhere in the most recent Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission (SEC) on May 27, 2026, and from time to time, our other filings with the SEC. Forward-looking statements speak only as of the date of this press release and Autonomix does not undertake any duty to update any forward-looking statements except as may be required by law.

 

Investor and Media Contact 

 

JTC Team, LLC 

Jenene Thomas  

908.824.0775  

autonomix@jtcir.com  

 

 

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