Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 10 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 15, 2026 BOLD A 32,000 · · 32,000 Direct · Acquired (price as of 2026-10-02)
Feb. 20, 2026 CRBU A 45,000 · · 45,000 Direct · Acquired (price as of 2026-10-02)
June 23, 2025 BOLD A 16,000 · · 16,000 Direct · Acquired (price as of 2026-10-02)
Feb. 20, 2025 CRBU A 40,500 · · 40,500 Direct · Acquired (price as of 2026-10-02)
March 27, 2024 BOLD A 13,219 · · 13,219 Direct · Acquired (price as of 2026-10-02)
Feb. 20, 2024 CRBU A 39,500 · · 39,500 Direct · Acquired (price as of 2026-10-02)
Feb. 21, 2023 CRBU A 21,500 · · 21,500 Direct · Acquired (price as of 2026-10-02)
Dec. 20, 2021 CRBU A 13,060 · · 13,060 Direct · Acquired (price as of 2026-10-02)
Dec. 20, 2021 CRBU A 13,750 · · 13,750 Direct · Acquired (price as of 2026-10-02)
Sept. 8, 2021 CRBU A 44,000 · · 44,000 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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 15, 2026 BOLD Stock Option (right to buy) Common Stock (32,000) $1.40 June 14, 2036 32,000 Acquired
Feb. 20, 2026 CRBU Option to purchase Common Stock Common Stock (45,000) $1.80 Feb. 19, 2036 45,000 Acquired
June 23, 2025 BOLD Stock Option (right to buy) Common Stock (16,000) $1.03 June 22, 2035 16,000 Acquired
Feb. 20, 2025 CRBU Option to purchase Common Stock Common Stock (40,500) $1.41 Feb. 19, 2035 40,500 Acquired
March 27, 2024 BOLD Stock Option Common Stock (13,219) $16.00 March 26, 2034 13,219 Acquired
Feb. 20, 2024 CRBU Option to purchase Common Stock Common Stock (39,500) $6.81 Feb. 19, 2034 39,500 Acquired
Feb. 21, 2023 CRBU Option to purchase Common Stock Common Stock (21,500) $6.12 Feb. 20, 2033 21,500 Acquired
Dec. 20, 2021 CRBU Option to purchase Common Stock Common Stock $15.16 Dec. 19, 2031 13,060 Acquired
Dec. 20, 2021 CRBU Option to purchase Common Stock Common Stock (13,750) $15.16 Dec. 19, 2031 13,750 Acquired
Sept. 8, 2021 CRBU Stock Option (right to buy) Common Stock (44,000) $28.32 Sept. 7, 2031 44,000 Acquired

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

Initial ownership (Form 3) 2 holdings

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

DateTickerSecuritySharesOwnership
March 27, 2024 BOLD Stock Option→ Common Stock (27,692) 27,692 Direct
March 27, 2024 BOLD Stock Option→ Common Stock (13,846) 13,846 Direct