John P Byrne
Insider
First SEC filing: Oct. 27, 2023 · Latest: Oct. 27, 2023
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 2, 2026 | CRBD | F | 1,871 | $25.84 | $48,347 | 28,655 Direct | -6.13% | Disposed | -17.0% (price as of 2026-10-06) |
| Feb. 19, 2026 | CRBD | A | 6,874 | · | · | 30,526 Direct | +29.06% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2026 | CRBD | A | 27,633 | · | · | 27,633 Direct | · | Acquired | (price as of 2026-10-06) |
| March 3, 2025 | CRBD | F | 1,995 | $34.68 | $69,187 | 23,652 Direct | -7.78% | Disposed | -38.2% (price as of 2026-10-06) |
| Feb. 19, 2025 | CRBD | A | 11,390 | · | · | 32,267 Direct | +54.56% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2025 | CRBD | A | 2,955 | · | · | 25,242 Direct | +13.26% | Acquired | (price as of 2026-10-06) |
| March 4, 2024 | CRBD | F | 856 | $24.50 | $20,972 | 22,287 Direct | -3.70% | Disposed | -12.5% (price as of 2026-10-06) |
| Feb. 20, 2024 | CRBD | A | 11,948 | · | · | 23,548 Direct | +103.00% | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2024 | CRBD | A | 20,877 | · | · | 20,877 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2024 | CRBD | A | 11,543 | · | · | 23,143 Direct | +99.51% | Acquired | (price as of 2026-10-06) |
| Jan. 17, 2024 | CRBD | F | 2,045 | $24.17 | $49,428 | 11,600 Direct | -14.99% | Disposed | -11.3% (price as of 2026-10-06) |
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, 2026 | CRBD | Employee Stock Option (Right to Buy) | Common Stock | $30.07 | Feb. 19, 2036 | 27,633 | Acquired |
| Feb. 19, 2025 | CRBD | Employee Stock Option (Right to Buy) | Common Stock | $33.55 | Feb. 19, 2035 | 11,390 | Acquired |
| Feb. 20, 2024 | CRBD | Options (Rights to Buy) | Common Stock | $25.34 | Feb. 20, 2034 | 20,877 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.