Usio SVP acquires 4,000 shares via RSU vesting

Usio, Inc. SVP and Chief Product Officer Frost Houston Korth acquired 4,000 common shares on exercise of previously granted restricted stock units at $1.82 per share.

Rhea-AI Filing Summary

Usio, Inc. SVP and Chief Product Officer Frost Houston Korth acquired 4,000 common shares on exercise of previously granted restricted stock units at $1.82 per share. These shares vested from RSUs granted on June 21, 2024 and converted on June 21, 2026.

After this compensation-related vesting, Korth directly holds 775,108 common shares and 37,000 restricted stock units, making this a routine addition relative to his overall position.

Insider Trade Summary

4,000 shares exercised/converted

Exercise 2 txns

Insider Frost Houston Korth

Role SVP, Chief Product Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	4,000	$1.82	$7K
Exercise	Common Stock	4,000	$1.82	$7K

Holdings After Transaction: Restricted Stock Units — 37,000 contracts (Direct); Common Stock — 775,108 shares (Direct)

Footnotes (1)

1. F1. The reporting person received these shares of common stock due to the vesting and subsequent conversion of restricted stock units granted on 06/21/2024 and vested 06/21/2026.

Key Figures

Shares acquired: 4,000 shares Implied RSU price: $1.82 per share Common shares held after: 775,108 shares +4 more

7 metrics

Shares acquired 4,000 shares Common stock received from RSU vesting on June 21, 2026

Implied RSU price $1.82 per share Stated transaction price for RSU conversion

Common shares held after 775,108 shares Direct ownership following the transaction

RSUs held after 37,000 units Restricted stock units remaining after vesting

RSU grant date June 21, 2024 Original grant date per footnote

RSU vesting date June 21, 2026 Vesting and conversion date per footnote

RSU expiration June 21, 2034 Expiration date of derivative entry

Key Terms

Restricted Stock Units, derivative security, vesting

3 terms

Restricted Stock Units financial

"The reporting person received these shares of common stock due to the vesting and subsequent conversion of restricted stock units granted on 06/21/2024"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

vesting financial

"due to the vesting and subsequent conversion of restricted stock units granted on 06/21/2024 and vested 06/21/2026"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

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

What insider transaction did Usio (USIO) report for Frost Houston Korth?

Usio reported that SVP and Chief Product Officer Frost Houston Korth acquired 4,000 common shares through the vesting and conversion of restricted stock units. This was a compensation-related equity grant, not an open-market stock purchase or sale.

Was Frost Houston Korth’s Usio (USIO) Form 4 transaction an open-market buy or sell?

The Form 4 shows no open-market buy or sell. Instead, 4,000 restricted stock units vested and converted into common shares at $1.82 per share, reflecting routine equity compensation rather than discretionary trading in the market.

How many Usio (USIO) shares does Frost Houston Korth hold after this Form 4?

Following the RSU vesting and share conversion, Frost Houston Korth directly holds 775,108 common shares of Usio and 37,000 restricted stock units. This indicates he retains a substantial ongoing equity stake in the company after the reported transaction.

What are the details of the restricted stock units in Usio (USIO) Form 4?

The restricted stock units were granted on June 21, 2024 and vested on June 21, 2026, converting into 4,000 common shares at a stated price of $1.82 per share. The derivative entry lists an expiration date of June 21, 2034.

Does Frost Houston Korth’s Usio (USIO) Form 4 indicate remaining derivative holdings?

After this vesting, the filing shows 37,000 restricted stock units still held by Frost Houston Korth. The derivative summary contains no additional unexercised derivative positions beyond what is disclosed for these RSUs in the reported transaction.

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

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Accepted by SEC EDGAR 06/22/2026 - 05:56 PM EDT 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^*

Frost Houston Korth

(Last) (First) (Middle)

3611 PAESANOS PARKWAY

SUITE 300

(Street)

SAN ANTONIO TEXAS 78231

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Usio, Inc. [ USIO ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Product Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/21/2026

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
Common Stock	06/21/2026		M		4,000(1)	A	$1.82	775,108	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
Restricted Stock Units	$0.0000	06/21/2026		M			4,000(1)	06/21/2026	06/21/2034	Common Shares	4,000	$1.82	37,000	D

Explanation of Responses:

1. The reporting person received these shares of common stock due to the vesting and subsequent conversion of restricted stock units granted on 06/21/2024 and vested 06/21/2026.

	/s/ Houston Frost	06/22/2026
	** 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)