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David Ditillo
Insider
First SEC filing: July 7, 2026 · Latest: July 7, 2026
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-1,384,462
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 11, 2026 | CRBD | S 10b5-1 | 8,736 | $35.00 | $305,760 | 102,417 Direct | -7.86% | Disposed | -40.5% (price as of 2026-10-02) |
| Aug. 6, 2026 | CRBD | M 10b5-1 | 3,914 | $20.30 | $79,454 | 123,567 Direct | +3.27% | Acquired | 2.6% (price as of 2026-10-02) |
| Aug. 6, 2026 | CRBD | S 10b5-1 | 12,414 | $34.00 | $422,076 | 111,153 Direct | -10.05% | Disposed | -38.8% (price as of 2026-10-02) |
| Aug. 6, 2026 | CRBD | M 10b5-1 | 3,914 | · | · | 18,914 Direct | -17.15% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | CRBD | M | 3,914 | · | · | 22,828 Direct | -14.64% | Disposed | (price as of 2026-10-02) |
| July 16, 2026 | CRBD | S | 12,414 | $32.00 | $397,248 | 119,653 Direct | -9.40% | Disposed | -34.9% (price as of 2026-10-02) |
| July 16, 2026 | CRBD | M | 3,914 | $20.30 | $79,454 | 132,067 Direct | +3.05% | Acquired | 2.6% (price as of 2026-10-02) |
| July 6, 2026 | CRBD | S | 4,250 | $30.00 | $127,500 | 128,153 Direct | -3.21% | Disposed | -30.6% (price as of 2026-10-02) |
| March 2, 2026 | CRBD | F | 7,957 | $25.84 | $205,609 | 132,403 Direct | -5.67% | Disposed | -19.4% (price as of 2026-10-02) |
| Feb. 19, 2026 | CRBD | A | 12,131 | · | · | 140,360 Direct | +9.46% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2026 | CRBD | A | 48,764 | · | · | 48,764 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2026 | CRBD | S 10b5-1 | 4,250 | $31.03 | $131,878 | 128,229 Direct | -3.21% | Disposed | -32.9% (price as of 2026-10-02) |
| Sept. 19, 2025 | CRBD | A | 15,494 | · | · | 132,479 Direct | +13.24% | Acquired | (price as of 2026-10-02) |
| March 3, 2025 | CRBD | F | 9,703 | $34.68 | $336,500 | 116,985 Direct | -7.66% | Disposed | -40.0% (price as of 2026-10-02) |
| Feb. 19, 2025 | CRBD | A | 26,285 | · | · | 69,111 Direct | +61.38% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2025 | CRBD | A | 6,820 | · | · | 125,856 Direct | +5.73% | Acquired | (price as of 2026-10-02) |
| March 4, 2024 | CRBD | F | 7,157 | $24.50 | $175,346 | 119,036 Direct | -5.67% | Disposed | -15.0% (price as of 2026-10-02) |
| Feb. 20, 2024 | CRBD | A | 24,509 | · | · | 127,025 Direct | +23.91% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2024 | CRBD | A | 42,826 | · | · | 42,826 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2024 | CRBD | A | 23,677 | · | · | 126,193 Direct | +23.10% | Acquired | (price as of 2026-10-02) |
| Jan. 17, 2024 | CRBD | F | 9,832 | $24.17 | $237,639 | 102,516 Direct | -8.75% | Disposed | -13.9% (price as of 2026-10-02) |
| March 1, 2023 | CRBD | F | 3,768 | $20.22 | $76,189 | 112,348 Direct | -3.25% | Disposed | 3.0% (price as of 2026-10-02) |
| Feb. 21, 2023 | CRBD | A | 26,742 | · | · | 26,742 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2023 | CRBD | A | 23,283 | · | · | 116,116 Direct | +25.08% | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2023 | CRBD | F | 14,987 | $21.39 | $320,572 | 92,833 Direct | -13.90% | Disposed | -2.7% (price as of 2026-10-02) |
| Sept. 14, 2022 | CRBD | A | 107,820 | · | · | 107,820 Direct | · | Acquired | (price as of 2026-10-02) |
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 | $20.30 | Feb. 21, 2033 | 3,914 | Disposed |
| July 16, 2026 | CRBD | Options (Rights to Buy) | Common Stock | $20.30 | Feb. 21, 2033 | 3,914 | Disposed |
| Feb. 19, 2026 | CRBD | Employee Stock Option (Right to Buy) | Common Stock | $30.07 | Feb. 19, 2036 | 48,764 | Acquired |
| Feb. 19, 2025 | CRBD | Employee Stock Option (Right to Buy | Common Stock | $33.55 | Feb. 19, 2035 | 26,285 | Acquired |
| Feb. 20, 2024 | CRBD | Options (Rights to Buy) | Common Stock | $25.34 | Feb. 20, 2034 | 42,826 | Acquired |
| Feb. 21, 2023 | CRBD | Options (Rights to Buy) | Common Stock | $20.30 | Feb. 21, 2033 | 26,742 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).