Esther Cho
CIK 2081460 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 15, 2025 · Latest: Aug. 15, 2025
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Insider transactions
0 buys (P)
1 sells (S)
Net:
$-46,151
last 12 months, based on the transactions shown below
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 18, 2026 | KROS | S | 4,485 | $10.29 | $46,151 | 35,770 Direct | -11.14% | Disposed | 4.7% (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.
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 15, 2025 | KROS | Common Stock | 44,000 | Direct |
| Aug. 15, 2025 | KROS | Employee Stock Option (Right to Buy)→ Common Stock (20,968) | 20,968 | Direct |
| Aug. 15, 2025 | KROS | Employee Stock Option (Right to Buy)→ Common Stock (20,000) | 20,000 | Direct |
| Aug. 15, 2025 | KROS | Employee Stock Option (Right to Buy)→ Common Stock (25,000) | 25,000 | Direct |
| Aug. 15, 2025 | KROS | Employee Stock Option (Right to Buy)→ Common Stock (50,000) | 50,000 | Direct |
| Aug. 15, 2025 | KROS | Employee Stock Option (Right to Buy)→ Common Stock (50,000) | 50,000 | Direct |