Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 7 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 4, 2026 MBX A 12,500 · · 12,500 Direct · Acquired (price as of 2026-10-02)
June 5, 2025 MBX A 16,000 · · 16,000 Direct · Acquired (price as of 2026-10-02)
Feb. 14, 2025 RLYB A 180,000 · · 180,000 Direct · Acquired (price as of 2026-10-02)
Sept. 12, 2024 MBX A 15,963 · · 15,963 Direct · Acquired (price as of 2026-10-02)
Feb. 15, 2024 RLYB A 120,000 · · 120,000 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2023 RLYB A 119,000 · · 119,000 Direct · Acquired (price as of 2026-10-02)
Feb. 7, 2022 RLYB A 62,000 · · 62,000 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 4, 2026 MBX Stock option (right to buy) Common Stock (12,500) $30.91 June 4, 2036 12,500 Acquired
June 5, 2025 MBX Stock option (right to buy) Common Stock (16,000) $11.86 June 5, 2035 16,000 Acquired
Feb. 14, 2025 RLYB Option (Right to Buy) Common Stock (180,000) $0.76 Feb. 14, 2035 180,000 Acquired
Sept. 12, 2024 MBX Stock Option (Right to Buy) Common Stock (15,963) $16.00 Sept. 11, 2034 15,963 Acquired
Feb. 15, 2024 RLYB Option (Right to Buy) Common Stock (120,000) $1.86 Feb. 15, 2034 120,000 Acquired
Feb. 6, 2023 RLYB Option (Right to Buy) Common Stock (119,000) $6.50 Feb. 6, 2033 119,000 Acquired
Feb. 7, 2022 RLYB Option (Right to Buy) Common Stock (62,000) $15.04 Feb. 7, 2032 62,000 Acquired

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 29, 2026 YARW Stock Option (Right to Buy)→ Common Stock (228,330) 228,330 Direct
Sept. 12, 2024 MBX Stock Option (right to buy)→ Common Stock (39,277) 39,277 Direct
July 29, 2021 RLYB Common Stock 192,370 Direct
July 29, 2021 RLYB Option (Right to Buy)→ Common Stock (160,000) 160,000 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 $531,227 · · · $191,242 · $13,800 $911,061
2023 $510,796 · · · $143,023 · $26,400 $1,266,841

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