Insider at

04

Insider transactions

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0 buys (P) 1 sells (S) Net: $-13,598 + 16 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

16 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 24, 2026 CRBU S 10b5-1 6,938 $1.96 $13,598 481,564 Direct -1.42% Disposed -37.8% (price as of 2026-10-02)
Feb. 21, 2025 CRBU S 10b5-1 3,564 $1.35 $4,811 443,502 Direct -0.80% Disposed -9.6% (price as of 2026-10-02)
Dec. 7, 2021 CRBU P 6,115 $2.69 $16,449 348,971 Direct +1.78% Acquired -54.6% (price as of 2026-10-02)
Dec. 7, 2021 CRBU P 12 $2.69 $32 342,856 Direct 0.00% Acquired -54.6% (price as of 2026-10-02)
Oct. 20, 2021 CRBU P 43 $2.69 $116 342,844 Direct +0.01% Acquired -54.6% (price as of 2026-10-02)
Oct. 20, 2021 CRBU P 9,176 $2.69 $24,683 342,801 Direct +2.75% Acquired -54.6% (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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 20, 2026 CRBU Option to purchase Common Stock Common Stock (202,500) $1.80 Feb. 19, 2036 202,500 Acquired
Feb. 20, 2025 CRBU Option to purchase Common Stock Common Stock (170,000) $1.41 Feb. 19, 2035 170,000 Acquired
Feb. 20, 2024 CRBU Option to purchase Common Stock Common Stock (153,000) $6.81 Feb. 19, 2034 153,000 Acquired
Feb. 21, 2023 CRBU Option to purchase Common Stock Common Stock (131,000) $6.12 Feb. 20, 2033 131,000 Acquired
Sept. 15, 2022 CRBU Option to purchase Common Stock Common Stock (27,518) $2.69 Sept. 30, 2029 27,518 Disposed
Sept. 15, 2022 CRBU Option to purchase Common Stock Common Stock (77) $2.69 June 11, 2028 77 Disposed
Dec. 20, 2021 CRBU Option to purchase Common Stock Common Stock (147,000) $15.16 Dec. 19, 2031 147,000 Acquired
Dec. 7, 2021 CRBU Option to purchase Common Stock Common Stock (6,115) · Sept. 30, 2029 6,115 Disposed
Dec. 7, 2021 CRBU Option to purchase Common Stock Common Stock (12) · June 11, 2028 12 Disposed
Oct. 20, 2021 CRBU Option to purchase Common Stock Common Stock (43) · June 11, 2028 43 Disposed
Oct. 20, 2021 CRBU Option to purchase Common Stock Common Stock (9,176) · Sept. 30, 2029 9,176 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
July 22, 2021 CRBU Common Stock 333,626 Direct
July 22, 2021 CRBU Stock Option (Right to Buy)→ Common Stock (132) 132 Direct
July 22, 2021 CRBU Stock Option (Right to Buy)→ Common Stock (90,127) 90,127 Direct
July 22, 2021 CRBU Stock Option (Right to Buy)→ Common Stock (231,914) 231,914 Direct

Compensation (DEF 14A)

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Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $502,030 $170,690 · · · · $14,000 $919,574
2024 $485,053 $169,769 · · · · $13,800 $1,612,819
2023 $468,650 $187,460 · · · · $13,200 $1,217,807

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.