Houston Korth Frost
CIK 1627479 · View on SEC EDGAR ↗
First SEC filing: Jan. 2, 2015 · Latest: June 15, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 21, 2026 | USIO | M | 4,000 | $1.82 | $7,280 | 37,000 Direct | -9.76% | Disposed | 50.5% (price as of 2026-08-21) |
| June 21, 2026 | USIO | M | 4,000 | $1.82 | $7,280 | 775,108 Direct | +0.52% | Acquired | 50.5% (price as of 2026-08-21) |
| June 11, 2026 | USIO | A | 5,000 | $1.71 | $8,550 | 41,000 Direct | +13.89% | Acquired | 60.2% (price as of 2026-08-21) |
| June 11, 2026 | USIO | A | 5,000 | $1.71 | $8,550 | 36,000 Direct | +16.13% | Acquired | 60.2% (price as of 2026-08-21) |
| June 11, 2026 | USIO | A | 5,000 | $1.71 | $8,550 | 31,000 Direct | +19.23% | Acquired | 60.2% (price as of 2026-08-21) |
| June 11, 2026 | USIO | A | 50,000 | $1.71 | $85,500 | 771,108 Direct | +6.93% | Acquired | 60.2% (price as of 2026-08-21) |
| Feb. 21, 2026 | USIO | M | 4,000 | $1.34 | $5,360 | 26,000 Direct | -13.33% | Disposed | 104.5% (price as of 2026-08-21) |
| Feb. 21, 2026 | USIO | M | 4,000 | $1.34 | $5,360 | 721,108 Direct | +0.56% | Acquired | 104.5% (price as of 2026-08-21) |
| June 21, 2025 | USIO | M | 4,000 | — | — | 12,000 Direct | -25.00% | Disposed | (price as of 2026-08-21) |
| June 21, 2025 | USIO | M | 4,000 | $1.44 | $5,760 | 667,108 Direct | +0.60% | Acquired | 90.3% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 21, 2026 | USIO | Restricted Stock Units | Common Shares (4,000) | $0.00 | June 21, 2034 | 4,000 | Disposed |
| June 11, 2026 | USIO | Restricted Stock Units | Common Shares (5,000) | $0.00 | June 11, 2036 | 5,000 | Acquired |
| June 11, 2026 | USIO | Restricted Stock Units | Common Shares (5,000) | $0.00 | June 11, 2036 | 5,000 | Acquired |
| June 11, 2026 | USIO | Restricted Stock Units | Common Shares (5,000) | $0.00 | June 11, 2036 | 5,000 | Acquired |
| Feb. 21, 2026 | USIO | Restricted Stock Units | Restricted Stock Units | $0.00 | Feb. 21, 2033 | 4,000 | Disposed |
| June 21, 2025 | USIO | Restriced Stock Units | Common Stock | $0.00 | June 21, 2034 | 4,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
USIO
Chief Product Officer| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $240,000 | $0 | $97,920 | — | — | — | $10,677 | $348,597 |
| 2024 | $236,466 | $0 | $80,600 | — | — | — | $3,747 | $320,813 |
| 2023 | $208,418 | — | $196,000 | — | — | — | $8,917 | $413,335 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.