Jian Guo
CIK 1907145 · View on SEC EDGAR ↗
First SEC filing: Feb. 2, 2022 · Latest: Feb. 2, 2022
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 12, 2025 | KRT | P | 1,361 | $22.11 | $30,092 | 31,062 Direct | +4.58% | Acquired | 115.4% (price as of 2026-08-20) |
| Nov. 17, 2022 | KRT | P | 500 | $13.93 | $6,965 | 500 Indirect | — | Acquired | 241.9% (price as of 2026-08-20) |
| Nov. 17, 2022 | KRT | P | 350 | $14.00 | $4,900 | 350 Direct | — | Acquired | 240.2% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 13, 2026 | KRT | Stock Option (right to buy) | Common Stock (4,700) | $16.53 | Feb. 1, 2032 | 4,700 | Disposed |
| May 12, 2026 | KRT | Restricted Stock Units | Common Stock (8,000) | — | — | 8,000 | Disposed |
| March 11, 2026 | KRT | Restricted Stock Units | Common Stock (28,000) | — | — | 28,000 | Acquired |
| Aug. 15, 2025 | KRT | Stock Option (right to buy) | Common Stock (2,450) | $16.53 | Feb. 1, 2032 | 2,450 | Disposed |
| May 12, 2025 | KRT | Restricted Stock Units | Common Stock (8,000) | — | — | 8,000 | Disposed |
| Nov. 18, 2024 | KRT | Stock Option (right to buy) | Common Stock (2,500) | $16.53 | Feb. 1, 2032 | 2,500 | Disposed |
| Aug. 19, 2024 | KRT | Stock Option (right to buy) | Common Stock (2,000) | $16.53 | Feb. 1, 2032 | 2,000 | Disposed |
| May 12, 2024 | KRT | Restricted Stock Units | Common Stock (8,000) | — | — | 8,000 | Disposed |
| May 8, 2024 | KRT | Stock Option (right to buy) | Common Stock (3,500) | $16.53 | Feb. 1, 2032 | 3,500 | Disposed |
| March 12, 2024 | KRT | Restricted Stock Units | Common Stock (24,000) | — | — | 24,000 | Acquired |
| Feb. 1, 2024 | KRT | Restricted Stock Units | Common Stock (3,750) | — | — | 3,750 | Disposed |
| Aug. 10, 2023 | KRT | Stock Option (right to buy) | Common Stock (3,000) | $16.53 | Feb. 1, 2032 | 3,000 | Disposed |
| Feb. 1, 2023 | KRT | Restricted Stock Units | Common Stock (3,750) | — | — | 3,750 | Disposed |
| Feb. 1, 2022 | KRT | Restricted Stock Units | Common Stock (7,500) | — | — | 7,500 | Acquired |
| Feb. 1, 2022 | KRT | Stock Option (right to buy) | Common Stock (50,000) | $16.53 | Feb. 1, 2032 | 50,000 | Acquired |
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.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $350,000 | — | — | — | — | — | $37,500 | $387,500 |
| 2024 | $350,000 | — | $705,120 | — | — | — | $37,500 | $1,092,620 |
| 2023 | $350,000 | — | — | — | — | — | $7,500 | $357,500 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.