Shelby J. Walker
CIK 1997919 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 7, 2023 · Latest: Nov. 7, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 non-open-market transactions below
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 3, 2023 | KRRO | A | 29,061 | — | — | 29,061 Direct | — | Acquired | (price as of 2026-08-20) |
| Nov. 3, 2023 | KRRO | A | 23,723 | — | — | 23,723 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Nov. 3, 2023 | KRRO | Stock Option (Right to Buy) | Common Stock (29,061) | $14.98 | Nov. 2, 2033 | 29,061 | Acquired |
| Nov. 3, 2023 | KRRO | Stock Option (Right to Buy) | Common Stock | — | May 22, 2033 | 23,723 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).