Insider at

04

Insider transactions

05
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 -9.6% (price as of 2026-10-02)
Aug. 25, 2022 CRBU S 10b5-1 43,248 $11.22 $485,243 302,059 Direct -12.52% Disposed -89.1% (price as of 2026-10-02)
Oct. 12, 2021 CRBU P 14,614 $2.69 $39,312 215,031 Direct +7.29% Acquired -54.6% (price as of 2026-10-02)
Oct. 12, 2021 CRBU P 698 $1.81 $1,263 200,417 Direct +0.35% Acquired -32.6% (price as of 2026-10-02)
Oct. 12, 2021 CRBU P 99,548 $1.81 $180,182 199,719 Direct +99.38% Acquired -32.6% (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.

06
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

07

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)

08

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.