Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 23 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

23 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 21, 2025 CRBU S 10b5-1 3,564 $1.35 $4,811 431,556 Direct -0.82% Disposed -11.9% (price as of 2026-10-05)
Aug. 25, 2022 CRBU S 10b5-1 43,248 $11.22 $485,243 302,059 Direct -12.52% Disposed -89.4% (price as of 2026-10-05)
Oct. 12, 2021 CRBU P 14,614 $2.69 $39,312 215,031 Direct +7.29% Acquired -55.8% (price as of 2026-10-05)
Oct. 12, 2021 CRBU P 698 $1.81 $1,263 200,417 Direct +0.35% Acquired -34.3% (price as of 2026-10-05)
Oct. 12, 2021 CRBU P 99,548 $1.81 $180,182 199,719 Direct +99.38% Acquired -34.3% (price as of 2026-10-05)

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, 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. 6, 2024 CRBU Option to purchase Common Stock Common Stock (30,577) $2.69 Sept. 30, 2029 30,577 Disposed
Feb. 21, 2023 CRBU Option to purchase Common Stock Common Stock (131,000) $6.12 Feb. 20, 2033 131,000 Acquired
Dec. 2, 2022 CRBU Option to purchase Common Stock Common Stock (21,401) $2.69 Sept. 30, 2029 21,401 Disposed
Aug. 25, 2022 CRBU Option to purchase Common Stock Common Stock (43,248) $2.69 Sept. 30, 2029 43,248 Disposed
May 13, 2022 CRBU Option to purchase Common Stock Common Stock (6,114) · Sept. 30, 2029 6,114 Disposed
May 13, 2022 CRBU Option to purchase Common Stock Common Stock (68,306) $1.81 July 11, 2027 68,306 Disposed
March 4, 2022 CRBU Option to purchase Common Stock Common Stock (9,171) · Sept. 30, 2029 9,171 Disposed
March 4, 2022 CRBU Option to purchase Common Stock Common Stock (1,549) $4.11 March 29, 2031 1,549 Disposed
Dec. 20, 2021 CRBU Option to purchase Common Stock Common Stock (147,000) $15.16 Dec. 19, 2031 147,000 Acquired
Oct. 12, 2021 CRBU Option to purchase Common Stock Common Stock (14,614) · Sept. 30, 2029 14,614 Disposed
Oct. 12, 2021 CRBU Option to purchase Common Stock Common Stock (698) $1.81 March 7, 2028 698 Disposed
Oct. 12, 2021 CRBU Option to purchase Common Stock Common Stock (99,548) $1.81 July 11, 2027 99,548 Disposed

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

Initial ownership (Form 3) 5 holdings

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

DateTickerSecuritySharesOwnership
July 22, 2021 CRBU Common Stock 100,171 Direct
July 22, 2021 CRBU Stock Option (Right to Buy)→ Common Stock (171,388) 171,388 Direct
July 22, 2021 CRBU Stock Option (Right to Buy)→ Common Stock (5,577) 5,577 Direct
July 22, 2021 CRBU Stock Option (Right to Buy)→ Common Stock (146,748) 146,748 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
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.