Advasa Holdings CFO resignation puts CEO in interim role

Katharyn Field’s CFO resignation on Aug. 27, 2026 triggers a search for a new CFO, while CEO Grady Ryther serves as interim CFO immediately.

Rhea-AI Filing Summary

Advasa Holdings, Inc. (ADBT) reported a leadership change in its finance function. On August 27, 2026, Katharyn Field resigned as Chief Financial Officer and principal financial and accounting officer, stating that her resignation was for personal reasons and not due to any dispute or disagreement with the company, its management, or its board of directors. The company has begun a search for a new Chief Financial Officer. Until a permanent successor is appointed, Chief Executive Officer Grady Ryther will also serve as Interim Chief Financial Officer and principal financial and accounting officer, effective immediately.

Positive

• None.

Negative

• Chief Financial Officer resignation: On August 27, 2026, CFO and principal financial and accounting officer Katharyn Field resigned, creating a leadership transition in Advasa Holdings, Inc.’s finance function.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

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.

Key Figures

CFO resignation date: August 27, 2026 Report date: September 2, 2026 Trading symbol: ADBT

3 metrics

CFO resignation date August 27, 2026 Date on which Katharyn Field resigned as Chief Financial Officer

Report date September 2, 2026 Date Advasa Holdings, Inc. reported the leadership change

Trading symbol ADBT Ticker for Advasa Holdings, Inc. common stock

Key Terms

principal financial and accounting officer, Interim Chief Financial Officer, Emerging growth company, The Nasdaq Stock Market LLC

4 terms

principal financial and accounting officer financial

"Chief Financial Officer (principal financial and accounting officer)"

Interim Chief Financial Officer financial

"will serve as the Company’s Interim Chief Financial Officer"

An interim chief financial officer is a temporary leader responsible for managing a company's financial activities, such as budgeting, financial planning, and reporting, during a transitional period. Think of it as filling in for a key manager until a permanent replacement is found. For investors, this role is important because it ensures financial stability and clear guidance during times of change or uncertainty.

Emerging growth company regulatory

"Emerging growth company"

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.

The Nasdaq Stock Market LLC market

"Common Stock, par value $0.00001 ... The Nasdaq Stock Market LLC"

The Nasdaq Stock Market LLC is a major U.S. stock exchange that provides the platform and rules for buying and selling shares of public companies, similar to a busy online marketplace where buyers and sellers meet. It matters to investors because it determines where a stock trades, helps set prices through supply and demand, and enforces listing and reporting standards that affect a company’s visibility, liquidity and regulatory oversight.

FAQ

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

What leadership change did Advasa Holdings, Inc. (ADBT) disclose on September 2, 2026?

Advasa Holdings, Inc. disclosed that on August 27, 2026, its Chief Financial Officer and principal financial and accounting officer, Katharyn Field, resigned from her position for personal reasons.

Why did the CFO of ADBT resign according to the company?

The company states that Katharyn Field resigned as Chief Financial Officer for personal reasons and that her resignation was not due to any dispute or disagreement with the company, its management, or its board of directors.

Who is serving as Interim Chief Financial Officer at Advasa Holdings, Inc. (ADBT)?

Grady Ryther, the Chief Executive Officer of Advasa Holdings, Inc., is serving as the Interim Chief Financial Officer and principal financial and accounting officer, effective immediately, until a permanent successor is appointed.

Is Advasa Holdings, Inc. (ADBT) searching for a new permanent CFO?

Yes. Advasa Holdings, Inc. states that it has commenced a search for a new Chief Financial Officer and principal financial and accounting officer to replace Katharyn Field on a permanent basis.

Did ADBT report any disagreement between the departing CFO and the company?

No. The company states that there was no dispute or disagreement between departing CFO Katharyn Field and the company, its management, or its board of directors related to her resignation.

What roles is Grady Ryther holding at ADBT after the CFO resignation?

After the resignation, Grady Ryther serves as both Chief Executive Officer and Interim Chief Financial Officer, and he is also designated as the company’s principal financial and accounting officer.

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

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Available on EDGAR 09/02/2026 - 08:47 AM EDT Accepted by SEC EDGAR 09/02/2026 - 08:47 AM EDT Learn about SEC filing dates

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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):

September 2, 2026 (August 27, 2026)

ADVASA HOLDINGS, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware

(State or Other Jurisdiction of Incorporation)

001-43445		39-3819559
(Commission File Number)		(IRS Employer Identification No.)

1-2-7 Moto-Akasake, Minato-ku, Tokyo, Japan		107-0051
(Address of Principal Executive Offices)		(Zip Code)

+81-3-6868-5538

(Registrant’s Telephone Number, Including Area Code)

N/A

(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 Symbols		Name of each exchange on which registered
Common Stock, par value $0.00001		ADBT		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 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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.

Resignation of Chief Financial Officer

On August 27, 2026, Katharyn Field, the Chief Financial Officer (principal financial and accounting officer) of Advasa Holdings, Inc. (the “Company”), formally resigned her position as Chief Financial Officer (principal financial and accounting officer) and advised the Company that her resignation was due to personal reasons and not a result of any dispute or disagreement with the Company, its management, or its board of directors.

Appointment of Interim Chief Financial Officer

The Company has commenced a search for a new Chief Financial Officer (principal financial and accounting officer). In the meantime, Mr. Grady Ryther, the Company’s Chief Executive Officer, will serve as the Company’s Interim Chief Financial Officer (principal financial and accounting officer), effective immediately, until a permanent successor is appointed.

1

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.

Dated: September 2, 2026	Advasa Holdings, Inc.
	By:	/s/ Grady Ryther
	Name:	Grady Ryther
	Title:	Chief Executive Officer

2

Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 XBRL SCHEMA FILE 2.9 KB
• EX-101 XBRL LABEL FILE 33.4 KB
• EX-101 XBRL PRESENTATION FILE 21.8 KB