Houston Korth Frost Usio, Inc. (USIO) insider trading activity

Houston Korth Frost is SVP, Chief Product Officer of Usio, Inc.. Currently has a direct ownership of 717,108 shares of USIO, which is worth approximately $1.08 Million. The most recent transaction as insider was on Aug 21, 2025, when has been sold 50,000 shares (Common Stock) at a price of $1.44 per share, resulting in proceeds of $72,000. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 717K

8.14% 3M change

0.57% 12M change

Total Value Held $1.08 Million

Houston Korth Frost Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Aug 21 2025	BUY Grant, award, or other acquisition	$72,000 $1.44 p/Share	50,000 Added 6.52%	717,108 Common Stock
Jun 21 2025	BUY Exercise of conversion of derivative security	$5,760 $1.44 p/Share	4,000 Added 0.6%	667,108 Common Stock
Feb 21 2025	SELL Payment of exercise price or tax liability	$2,494 $1.71 p/Share	1,459 Reduced 0.22%	663,108 Common Stock
Feb 21 2025	BUY Exercise of conversion of derivative security	$6,840 $1.71 p/Share	4,000 Added 0.6%	664,567 Common Stock
Jan 31 2025	SELL Payment of exercise price or tax liability	$102,384 $1.88 p/Share	54,460 Reduced 7.62%	660,567 Common Stock
Nov 18 2024	BUY Exercise of conversion of derivative security	$2,940 $1.47 p/Share	2,000 Added 0.28%	715,027 Common Stock
Jun 21 2024	BUY Grant, award, or other acquisition	$62,000 $1.55 p/Share	40,000 Added 5.31%	713,027 Common Stock
Feb 21 2024	BUY Exercise of conversion of derivative security	$6,280 $1.57 p/Share	4,000 Added 0.59%	673,027 Common Stock
Feb 08 2024	BUY Exercise of conversion of derivative security	$835 $1.67 p/Share	500 Added 0.07%	669,027 Common Stock
Nov 18 2023	BUY Grant, award, or other acquisition	$3,400 $1.7 p/Share	2,000 Added 0.3%	668,527 USIO
Feb 21 2023	BUY Grant, award, or other acquisition	$175,000 $1.75 p/Share	100,000 Added 13.05%	666,527 Common Stock
Feb 08 2023	BUY Exercise of conversion of derivative security	$1,025 $2.05 p/Share	500 Added 0.09%	566,527 Common Stock
Nov 18 2022	BUY Exercise of conversion of derivative security	$4,700 $2.35 p/Share	2,000 Added 0.35%	566,027 Common Stock
Aug 24 2022	BUY Open market or private purchase	$14,300 $1.43 p/Share	10,000 Added 1.74%	564,027 Common Stock
Aug 23 2022	BUY Open market or private purchase	$7,200 $1.44 p/Share	5,000 Added 0.89%	554,027 Common Stock
Aug 22 2022	BUY Open market or private purchase	$15,100 $1.51 p/Share	10,000 Added 1.79%	549,027 Common Stock
Nov 18 2021	BUY Grant, award, or other acquisition	$159,750 $6.39 p/Share	25,000 Added 4.43%	539,027 Common Stock
Jun 14 2021	BUY Open market or private sale	$39,240 $6.54 p/Share	6,000 Added 1.15%	514,027 Common Stock
Jun 11 2021	SELL Open market or private sale	$58,230 $6.47 p/Share	9,000 Reduced 1.7%	520,027 Common Stock
Jun 10 2021	SELL Open market or private sale	$54,230 $6.38 p/Share	8,500 Reduced 1.58%	529,027 Common Stock
Jun 09 2021	SELL Open market or private sale	$43,225 $6.65 p/Share	6,500 Reduced 1.19%	537,527 Common Stock

HKF

Houston Korth Frost

SVP, Chief Product Officer

San Antonio, TX

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