Jeffrey Cerio
CIK 2033618 · View on SEC EDGAR ↗
First SEC filing: June 17, 2026 · Latest: June 17, 2026
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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 |
|---|---|---|---|---|---|---|---|---|---|
| June 16, 2026 | KRRO | S | 6,609 | $10.83 | $71,575 | 35,293 Direct | -15.77% | Disposed | 24.7% (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.
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 |
|---|---|---|---|---|---|---|---|
| Feb. 2, 2026 | KRRO | Stock Option (Right to Buy) | Common Stock (23,000) | $13.05 | Feb. 1, 2036 | 23,000 | Acquired |
| Feb. 3, 2025 | KRRO | Stock Option (Right to Buy) | Common Stock (29,000) | $33.50 | Feb. 2, 2035 | 29,000 | Acquired |
| Sept. 3, 2024 | KRRO | Stock Option (Right to Buy) | Common Stock (40,000) | $44.37 | Sept. 2, 2034 | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
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 | $425,000 | $50,000 | — | — | $102,000 | — | $10,500 | $1,578,451 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.