Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 12 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
Dec. 11, 2025 SPRB M 1,250 · · 1,250 Direct · Acquired (price as of 2026-10-02)
Dec. 11, 2025 SPRB A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-02)
Dec. 11, 2025 SPRB M 1,250 · · 3,750 Direct -25.00% Disposed (price as of 2026-10-02)
Dec. 11, 2025 SPRB A 266 · · 266 Direct · Acquired (price as of 2026-10-02)
Dec. 11, 2025 SPRB D 266 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Dec. 11, 2025 SPRB A 400 · · 400 Direct · Acquired (price as of 2026-10-02)
Dec. 11, 2025 SPRB D 400 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
July 23, 2025 SPRB A 30,000 · · 30,000 Direct · Acquired (price as of 2026-10-02)
May 22, 2024 SPRB A 30,000 · · 30,000 Direct · Acquired (price as of 2026-10-02)
May 25, 2023 SPRB A 30,000 · · 30,000 Direct · Acquired (price as of 2026-10-02)
May 25, 2022 SPRB A 20,625 · · 20,625 Direct · Acquired (price as of 2026-10-02)
June 23, 2021 SPRB A 20,000 · · 20,000 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
Dec. 11, 2025 SPRB Restricted Stock Units Common Stock (5,000) · · 5,000 Acquired
Dec. 11, 2025 SPRB Restricted Stock Units Common Stock (1,250) · · 1,250 Disposed
Dec. 11, 2025 SPRB Stock Option (Right to Buy) Common Stock (266) $104.13 June 22, 2031 266 Acquired
Dec. 11, 2025 SPRB Stock Option (Right to Buy) Common Stock (266) · June 22, 2031 266 Disposed
Dec. 11, 2025 SPRB Stock Option (Right to Buy) Common Stock (400) $104.13 May 24, 2033 400 Acquired
Dec. 11, 2025 SPRB Stock Option (Right to Buy) Common Stock (400) · May 24, 2033 400 Disposed
July 23, 2025 SPRB Stock Option (Right to Buy) Common Stock (30,000) $0.12 July 22, 2035 30,000 Acquired
May 22, 2024 SPRB Stock Option (Right to Buy) Common Stock (30,000) $0.75 May 21, 2034 30,000 Acquired
May 25, 2023 SPRB Stock Option (Right to Buy) Common Stock (30,000) $2.26 May 24, 2033 30,000 Acquired
May 25, 2022 SPRB Stock Option (Right to Buy) Common Stock (20,625) $1.32 May 24, 2032 20,625 Acquired
June 23, 2021 SPRB Stock Option (Right to Buy) Common Stock (20,000) $10.55 June 22, 2031 20,000 Acquired

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

Compensation (DEF 14A)

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

SPRB

M.D., Ph.D.Interim Chief Medical Officer (5)
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 · · $442,050 $5,529 · · $596,833 $1,044,412

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