Usio executive acquires 4,000 shares via RSU vest

Usio, Inc. senior vice president and chief product officer Frost Houston Korth acquired shares through the vesting of restricted stock units.

Rhea-AI Filing Summary

Usio, Inc. senior vice president and chief product officer Frost Houston Korth acquired shares through the vesting of restricted stock units. On February 21, 2026, 4,000 restricted stock units vested and converted into 4,000 shares of common stock at $1.34 per share. Following these transactions, Korth directly held 26,000 restricted stock units and 721,108 shares of Usio common stock.

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	$1.34	$5K
Exercise	Common Stock	4,000	$1.34	$5K

Holdings After Transaction: Restricted Stock Units — 26,000 contracts (Direct); Common Stock — 721,108 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 February 21, 2023, and vested on February 21, 2026.

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 Frost Houston Korth acquired 4,000 common shares through the vesting and conversion of restricted stock units. The RSUs were originally granted on February 21, 2023 and vested on February 21, 2026, at a price of $1.34 per share.

How many Usio (USIO) shares did Frost Houston Korth receive from RSU vesting?

Frost Houston Korth received 4,000 shares of Usio common stock when restricted stock units vested and converted. These RSUs were granted on February 21, 2023 and vested on February 21, 2026, at a stated price of $1.34 per share according to the filing.

What are Frost Houston Korth’s holdings in Usio (USIO) after this Form 4?

After the reported transactions, Frost Houston Korth directly held 721,108 shares of Usio common stock and 26,000 restricted stock units. Both positions are reported as direct ownership, reflecting the updated totals following the February 21, 2026 vesting and conversion event.

What does the transaction code M mean in the Usio (USIO) Form 4?

Transaction code M on the Form 4 indicates an exercise or conversion of a derivative security. In this case, it reflects the conversion of restricted stock units into 4,000 shares of Usio common stock when the RSUs vested on February 21, 2026, at $1.34 per share.

Was the Usio (USIO) insider transaction a market purchase or an RSU vesting?

The insider transaction was an RSU vesting and conversion, not an open-market purchase. Restricted stock units granted on February 21, 2023 vested on February 21, 2026 and automatically converted into 4,000 shares of Usio common stock at a stated price of $1.34 per share.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 03/09/2026 - 04:53 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 TX 78231

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/21/2026

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

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

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

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	02/21/2026		M		4,000(1)	A	$1.34	721,108	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	02/21/2026		M			4,000	02/21/2026	02/21/2033	Restricted Stock Units	4,000(1)	$1.34	26,000	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 February 21, 2023, and vested on February 21, 2026.

	/s/ Houston Frost	03/09/2026
	** 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.