Longeveron plans CFO transition as Lisa Locklear exits

Longeveron Inc. announced a planned leadership change in its finance team.

Rhea-AI Filing Summary

Longeveron Inc. announced a planned leadership change in its finance team. On June 1, 2026, Chief Financial Officer Lisa Locklear informed management she will step down from the CFO role effective July 10, 2026. She plans to pursue board opportunities and other professional and personal interests, and the company states her resignation is not due to any disagreement over operations, policies, or practices.

Longeveron expects its current controller, Marie Washburn, to be elevated into the CFO position following Locklear’s departure, pending finalization of her contract. This indicates an internal succession approach rather than an external search.

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 notice date: June 1, 2026 CFO resignation effective date: July 10, 2026 Company address ZIP: 33136 +1 more

4 metrics

CFO notice date June 1, 2026 Date Lisa Locklear informed management of her decision

CFO resignation effective date July 10, 2026 Effective date of Lisa Locklear’s departure as CFO

Company address ZIP 33136 Miami, Florida headquarters postal code

Par value per share $0.001 Par value of Longeveron Class A common stock

Key Terms

Emerging growth company, Item 5.02, Securities Exchange Act of 1934, Commission File Number

4 terms

Emerging growth company regulatory

"Emerging growth company If an emerging growth company, if the registrant has elected not to use the extended transition period"

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.

Item 5.02 regulatory

"Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers"

Securities Exchange Act of 1934 regulatory

"Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934"

Commission File Number regulatory

"(State or other jurisdiction of incorporation) | | (Commission File Number) | | (IRS Employer Identification No.)"

FAQ

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

What executive change did Longeveron (LGVN) announce on June 1, 2026?

Longeveron announced that Chief Financial Officer Lisa Locklear will step down effective July 10, 2026. The company disclosed the change under Item 5.02 related to departures and appointments of certain officers.

When will Longeveron CFO Lisa Locklear’s resignation become effective?

Lisa Locklear’s resignation as Longeveron’s Chief Financial Officer becomes effective on July 10, 2026. She notified management of her decision on June 1, 2026, providing a transition period before her departure.

Why is Longeveron CFO Lisa Locklear resigning from her role?

Lisa Locklear is resigning to pursue board opportunities and other professional and personal interests. Longeveron states her decision was not due to any disagreement regarding the company’s operations, policies, or practices.

Who is expected to become the next CFO of Longeveron (LGVN)?

Longeveron anticipates elevating its current controller, Marie Washburn, into the Chief Financial Officer role. This promotion is expected to occur upon Lisa Locklear’s departure, pending final contract approval.

Did Longeveron report any disagreement linked to the CFO’s resignation?

No. Longeveron specifically states that CFO Lisa Locklear’s resignation was not the result of any disagreement with the company regarding its operations, policies, or practices, suggesting an orderly and amicable transition.

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

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Accepted by SEC EDGAR 06/05/2026 - 04:01 PM 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): June 1, 2026

Longeveron Inc.

(Exact name of registrant as specified in its charter)

Delaware		001-40060		47-2174146
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

1951 NW 7th Avenue, Suite 520, Miami, Florida 33136

(Address of principal executive offices)

Registrant’s telephone number, including area code: (305) 909-0840

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 each exchange on which registered
Class Common Stock, $0.001 par value per share		LGVN		The Nasdaq Capital Market

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 June 1, 2026, Ms. Lisa Locklear informed management of Longeveron Inc. (the “Company”) of her decision to step down as Chief Financial Officer, to become effective July 10, 2026. Ms. Locklear will continue to work with the Company’s current controller, Marie Washburn, who the Company anticipates will be elevated into the CFO role upon Ms. Locklear’s departure (pending final contract). Ms. Locklear intends to pursue board opportunities and other professional and personal interests, and her resignation was not the result of any disagreement with the Company regarding its operations, policies, or practices.

1

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.

	LONGEVERON INC.
Date: June 5, 2026	/s/ Stephen Willard
	Name:	Stephen Willard
	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