Longeveron CMO awarded 250,000 RSUs

Longeveron Inc. reported that Chief Medical Officer Nataliya Agafonova acquired 250,000 shares of its Class A Common Stock through an award of time-based vesting Restricted Stock Units (RSUs) on May 1, 2026 at a stated price of $0.00 per share.

Rhea-AI Filing Summary

Longeveron Inc. reported that Chief Medical Officer Nataliya Agafonova acquired 250,000 shares of its Class A Common Stock through an award of time-based vesting Restricted Stock Units (RSUs) on May 1, 2026 at a stated price of $0.00 per share.

After this RSU award, she directly holds 453,419 Class A shares, which include RSUs subject to future vesting. The award reflects a non-cash equity grant classified as a grant, award, or other acquisition under insider reporting rules.

Insider Trade Summary

Grant/Award: 250,000 shares

Grant/Award 1 txn

Insider Agafonova Nataliya

Role Chief Medical Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	250,000	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 453,419 shares (Direct)

Footnotes (2)

1. F1. Represents the award of time-based vesting Restricted Stock Units (RSUs).
2. F2. Includes RSUs subject to future vesting.

Key Figures

RSU award size: 250,000 shares Award price per share: $0.00 per share Shares held after transaction: 453,419 shares +1 more

4 metrics

RSU award size 250,000 shares Time-based vesting RSUs granted on May 1, 2026

Award price per share $0.00 per share Stated transaction price for RSU grant

Shares held after transaction 453,419 shares Direct Class A holdings after RSU award, including unvested RSUs

Transaction code A (Grant, award, or other acquisition) Non-derivative acquisition reported on Form 4

Key Terms

Restricted Stock Units (RSUs), time-based vesting, Class A Common Stock

3 terms

Restricted Stock Units (RSUs) financial

"Represents the award of time-based vesting Restricted Stock Units (RSUs)."

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

time-based vesting financial

"Represents the award of time-based vesting Restricted Stock Units (RSUs)."

Time-based vesting is a schedule that gives employees or contractors ownership of granted stock or options gradually as they remain with a company, like unlocking rewards in a loyalty program the longer you stick around. For investors, it matters because it affects future share supply, management incentives and staff retention — all of which can influence company performance and dilution of existing shareholders.

Class A Common Stock financial

"security_title: Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

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

What insider transaction did Longeveron (LGVN) report for Nataliya Agafonova?

Longeveron reported that Chief Medical Officer Nataliya Agafonova received an award of 250,000 time-based vesting RSUs of Class A Common Stock. The Form 4 classifies this as a grant or other acquisition, with a stated price of $0.00 per share for the awarded units.

How many Longeveron (LGVN) shares does Nataliya Agafonova hold after the RSU award?

Following the 250,000 RSU award, Nataliya Agafonova directly holds 453,419 shares of Longeveron’s Class A Common Stock. This total includes Restricted Stock Units that are subject to future vesting conditions, as noted in the Form 4 footnotes accompanying the reported grant transaction.

What type of equity was granted to Longeveron (LGVN) CMO Nataliya Agafonova?

The equity granted to CMO Nataliya Agafonova consists of time-based vesting Restricted Stock Units (RSUs) in Longeveron’s Class A Common Stock. The footnotes specify that the reported amount represents an RSU award and that her reported holdings include RSUs subject to future vesting.

Was cash paid for the 250,000 Longeveron (LGVN) RSUs granted to the CMO?

No cash payment was indicated for the 250,000 RSUs granted to the CMO, as the transaction price is reported as $0.00 per share. This reflects a non-cash equity award structure typically used for granting Restricted Stock Units under company equity incentive arrangements.

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

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Accepted by SEC EDGAR 05/05/2026 - 06:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Agafonova Nataliya

(Last) (First) (Middle)

1951 NW 7TH AVENUE, SUITE 520

(Street)

MIAMI FLORIDA 33136

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Longeveron Inc. [ LGVN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Medical Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	05/01/2026		A		250,000(1)	A	$0	453,419(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the award of time-based vesting Restricted Stock Units (RSUs).

2. Includes RSUs subject to future vesting.

Remarks:

	/s/ Paul T. Lehr, Attorney-in-fact	05/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)