Michael Huang
CIK 1787161 · View on SEC EDGAR ↗
Insider
First SEC filing: June 12, 2020 · Latest: June 12, 2020
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2022 | KRRO | D | 14,846 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Aug. 17, 2022 | KRRO | A | 14,846 | — | — | 14,846 Direct | — | Acquired | (price as of 2026-08-20) |
| Aug. 17, 2022 | KRRO | D | 14,846 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Aug. 17, 2022 | KRRO | A | 14,846 | — | — | 14,846 Direct | — | Acquired | (price as of 2026-08-20) |
| June 21, 2022 | KRRO | A | 14,846 | — | — | 14,846 Direct | — | Acquired | (price as of 2026-08-20) |
| June 17, 2021 | KRRO | A | 14,846 | — | — | 14,846 Direct | — | Acquired | (price as of 2026-08-20) |
| June 11, 2020 | KRRO | A | 14,846 | — | — | 14,846 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 |
|---|---|---|---|---|---|---|---|
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (14,846) | $10.14 | June 16, 2031 | 14,846 | Disposed |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (14,846) | $2.14 | June 16, 2031 | 14,846 | Acquired |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (14,846) | $18.63 | June 10, 2030 | 14,846 | Disposed |
| Aug. 17, 2022 | KRRO | Stock Option | Common Stock (14,846) | $2.14 | June 10, 2030 | 14,846 | Acquired |
| June 21, 2022 | KRRO | Stock Option | Common Stock (14,846) | $1.17 | June 20, 2032 | 14,846 | Acquired |
| June 17, 2021 | KRRO | Stock Option | Common Stock (14,846) | $10.14 | June 16, 2031 | 14,846 | Acquired |
| June 11, 2020 | KRRO | Stock Option | Common Stock (14,846) | $18.63 | June 10, 2030 | 14,846 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).