Amber Miller
CIK 1923225 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 21, 2025 · Latest: Feb. 21, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 11 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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 19, 2025 | CRBD | A | 10,952 | — | — | 31,026 Direct | +54.56% | Acquired | (price as of 2026-08-20) |
| Feb. 19, 2025 | CRBD | A | 2,841 | — | — | 46,580 Direct | +6.50% | Acquired | (price as of 2026-08-20) |
| March 4, 2024 | CRBD | F | 1,587 | $24.50 | $38,882 | 43,739 Direct | -3.50% | Disposed | -10.1% (price as of 2026-08-20) |
| Feb. 20, 2024 | CRBD | A | 20,074 | — | — | 20,074 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 20, 2024 | CRBD | A | 11,099 | — | — | 45,326 Direct | +32.43% | Acquired | (price as of 2026-08-20) |
| Jan. 17, 2024 | CRBD | F | 2,686 | $24.17 | $64,921 | 34,227 Direct | -7.28% | Disposed | -8.9% (price as of 2026-08-20) |
| March 1, 2023 | CRBD | F | 831 | $20.22 | $16,803 | 36,913 Direct | -2.20% | Disposed | 8.9% (price as of 2026-08-20) |
| Feb. 21, 2023 | CRBD | A | 10,696 | — | — | 10,696 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 21, 2023 | CRBD | A | 9,313 | — | — | 37,744 Direct | +32.76% | Acquired | (price as of 2026-08-20) |
| Jan. 31, 2023 | CRBD | F | 3,112 | $21.39 | $66,566 | 28,431 Direct | -9.87% | Disposed | 2.9% (price as of 2026-08-20) |
| Sept. 14, 2022 | CRBD | A | 31,543 | — | — | 31,543 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 |
|---|---|---|---|---|---|---|---|
| Feb. 19, 2025 | CRBD | Employee Stock Option (Right to Buy) | Common Stock (10,952) | $33.55 | Feb. 19, 2035 | 10,952 | Acquired |
| Feb. 20, 2024 | CRBD | Options (Rights to Buy) | Common Stock (20,074) | $25.34 | Feb. 20, 2034 | 20,074 | Acquired |
| Feb. 21, 2023 | CRBD | Options (Rights to Buy) | Common Stock (10,696) | $20.30 | Feb. 21, 2033 | 10,696 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).