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  4. [8-K] CORETEC GROUP INC. Reports Material Event

Three Coretec Group (CRTG) directors, including chair and vice chair, resign

Filing Impact
(High)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

The Coretec Group, Inc. reported that three members of its board of directors have resigned. On April 10, 2026, Vice Chairman and Director Birge Watkins resigned, effective that same day. The company then received resignations from Chairman and Director Elbert Michael Ussery and Director Robert McCollar, each effective April 13, 2026.

Each resigning director indicated that his decision was not due to any disagreement with the company regarding its operations, policies, or practices. Their resignation letters are filed as exhibits to this report and incorporated by reference.

Positive

  • None.

Negative

  • Three directors, including the chairman and vice chairman, resigned within days of each other, which may signal heightened governance and continuity risk even though the company states there were no disagreements over operations, policies, or practices.

Insights

Three Coretec directors, including the chair and vice chair, resigned but report no disagreements with the company.

The Coretec Group, Inc. disclosed that Vice Chairman Birge Watkins resigned effective April 10, 2026, followed by Chairman Elbert Michael Ussery and Director Robert McCollar, each effective April 13, 2026. All three stated their departures were not due to disagreements over operations, policies, or practices.

Multiple board-level departures in close succession can raise governance and continuity questions, particularly when they involve the chair and vice chair. The company has not outlined replacement plans or board reconfiguration details in this report. Subsequent corporate communications or future filings may clarify how board roles and responsibilities will be realigned.

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, and exhibit attachments filed with this report.
Watkins resignation effective date April 10, 2026 Effective date of Vice Chairman and Director Birge Watkins’ resignation
Ussery resignation effective date April 13, 2026 Effective date of Chairman and Director Elbert Michael Ussery’s resignation
McCollar resignation effective date April 13, 2026 Effective date of Director Robert McCollar’s resignation
Exhibit 17.1 Resignation letter Resignation Letter of Birge Watkins dated April 10, 2026
Item 5.02 Departure of Directors or Certain Officers regulatory
"Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers"
Emerging Growth Company regulatory
"Emerging Growth Company Item 5.02 Departure of Directors or Certain Officers"
An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.
Resignation Letter financial
"Resignation Letter of Birge Watkins, dated April 10, 2026"
Inline XBRL technical
"Cover Page Interactive Data File (embedded within the Inline XBRL document)"
Inline XBRL is a file format for financial filings that embeds machine-readable data tags directly inside the human-readable report, so the same document can be read by people and parsed by software. For investors it makes extracting, comparing and verifying financial numbers faster and more reliable—like a grocery list where each item also has a barcode—reducing manual errors and speeding up analysis.

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

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FAQ

What board changes did The Coretec Group (CRTG) disclose in this 8-K?
The Coretec Group disclosed that three directors resigned: Vice Chairman Birge Watkins effective April 10, 2026, and Chairman Elbert Michael Ussery and Director Robert McCollar effective April 13, 2026. These changes significantly alter the company’s board composition and leadership structure.

Did the resigning Coretec (CRTG) directors report any disagreements with the company?
No, each of the resigning directors stated his resignation was not due to any disagreement with the company on operations, policies, or practices. This language is important because it indicates the departures are not being attributed to internal disputes in these areas.

Which Coretec Group (CRTG) board roles were affected by the resignations?
The resignations affected three roles: Vice Chairman and Director (held by Birge Watkins), Chairman and Director (held by Elbert Michael Ussery), and Director (held by Robert McCollar). Losing both the chair and vice chair concentrates the impact at the top of the board’s leadership structure.

When are the Coretec (CRTG) board resignations effective?
Birge Watkins’ resignation as Vice Chairman and Director is effective April 10, 2026. The resignations of Chairman Elbert Michael Ussery and Director Robert McCollar are each effective April 13, 2026. These effective dates show the leadership changes occurring in a very short time frame.

Are the Coretec (CRTG) directors’ resignation letters publicly available?
Yes, the company filed the resignation letters as exhibits to the report. Birge Watkins’ letter is Exhibit 17.1, Elbert Michael Ussery’s is Exhibit 17.2, and Robert McCollar’s is Exhibit 17.3. They are incorporated by reference and can be reviewed alongside the filing.

What SEC item does the Coretec (CRTG) filing use to report the resignations?
The resignations are reported under Item 5.02, which covers departures of directors or certain officers, elections of directors, appointments of certain officers, and compensatory arrangements. This item is the standard SEC category for disclosing significant board or executive changes.
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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): April 10, 2026

 

THE CORETEC GROUP INC.

(Exact name of registrant as specified in its charter)

 

Oklahoma   000-54697   73-1479206

(State or other jurisdiction

of incorporation or organization)

  

(Commission

File Number)

  

(IRS Employer

Identification No.)

 

333 Jackson Plaza, STE 460, Ann Arbor, MI 48103

(Address of Principal Executive Offices) (Zip Code)

 

(866) 916-0833

(Registrant’s telephone number, including area code)

 

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:

 

☐ 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 exchange
N/A   N/A   N/A

 

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 April 10, 2026, The Coretec Group, Inc. (the “Company”) received the resignation of Birge Watkins from his positions as Vice Chairman and Director of the Company, effective as of April 10, 2026. The Company subsequently received the resignations of (i) Elbert Michael Ussery from his positions as Chairman and Director, and (ii) Robert McCollar from his position as Director of the Company, each effective as of April 13, 2026.

 

Each of Mr. Watkins, Mr. Ussery, and Mr. McCollar indicated that his resignation was not due to any disagreement with the Company on any matter relating to the Company’s operations, policies, or practices.

 

Copies of the resignation letters of Mr. Watkins, Mr. Ussery, and Mr. McCollar are filed as Exhibit 17.1, Exhibit 17.2, and Exhibit 17.3, respectively, to this Current Report on Form 8-K and are incorporated herein by reference.

 

Item 9.01 Financial Statements and Exhibits.

 

(d) Exhibits.

 

Exhibit No.   Description
17.1   Resignation Letter of Birge Watkins, dated April 10, 2026
17.2   Resignation Letter of Elbert Michael Ussery, dated April 13, 2026
17.3   Resignation Letter of Robert McCollar, dated April 13, 2026
104   Cover Page Interactive Data File (embedded within the Inline XBRL document)

 

 

 

 

SIGNATURES

 

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.

 

THE CORETEC GROUP, INC.  
     
By: /s/ Roberto Hoseok Kim  
Name:  Roberto Hoseok Kim  
Title: Chief Financial Officer  
Date: April 14, 2026  

 

 

 

Source: View Original Filing on SEC EDGAR

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