David Ditillo
CIK 1923231 · View on SEC EDGAR ↗
First SEC filing: July 7, 2026 · Latest: July 7, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 6, 2026 | CRBD | S | 12,414 | $34.00 | $422,076 | 111,153 Direct | -10.05% | Disposed | -35.4% (price as of 2026-08-19) |
| July 16, 2026 | CRBD | S | 12,414 | $32.00 | $397,248 | 119,653 Direct | -9.40% | Disposed | -31.4% (price as of 2026-08-19) |
| July 6, 2026 | CRBD | S | 4,250 | $30.00 | $127,500 | 128,153 Direct | -3.21% | Disposed | -26.8% (price as of 2026-08-19) |
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. 6, 2026 | CRBD | Options (Rights to Buy) | Common Stock (3,914) | $20.30 | Feb. 21, 2033 | 3,914 | Disposed |
| July 16, 2026 | CRBD | Options (Rights to Buy) | Common Stock (3,914) | $20.30 | Feb. 21, 2033 | 3,914 | Disposed |
| Feb. 19, 2025 | CRBD | Employee Stock Option (Right to Buy | Common Stock (26,285) | $33.55 | Feb. 19, 2035 | 26,285 | Acquired |
| Feb. 20, 2024 | CRBD | Options (Rights to Buy) | Common Stock (42,826) | $25.34 | Feb. 20, 2034 | 42,826 | Acquired |
| Feb. 21, 2023 | CRBD | Options (Rights to Buy) | Common Stock (26,742) | $20.30 | Feb. 21, 2033 | 26,742 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).