Insider at

04

Insider transactions

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0 buys (P) 4 sells (S) Net: $-3,879,239 + 16 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

16 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 19, 2026 NUVB S 10b5-1 100,000 $7.09 $709,000 0 Direct -100.00% Disposed -35.5% (price as of )
Nov. 20, 2025 NUVB S 69,051 $7.23 $499,239 0 Direct -100.00% Disposed -36.8% (price as of )
Nov. 20, 2025 NUVB S 300,000 $7.23 $2,169,000 0 Direct -100.00% Disposed -36.8% (price as of )
Oct. 27, 2025 NUVB S 10b5-1 100,000 $5.02 $502,000 0 Direct -100.00% Disposed -9.0% (price as of )

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
Aug. 19, 2026 NUVB Stock Option (Right to Buy) Class A Common Stock (100,000) $1.87 Feb. 27, 2034 100,000 Disposed
Feb. 27, 2026 NUVB Stock Option (Right to Buy) Class A Common Stock (748,130) $5.91 Feb. 26, 2036 748,130 Acquired
Nov. 20, 2025 NUVB Stock Option (Right to Buy) Class A Common Stock (69,051) $1.74 Jan. 21, 2030 69,051 Disposed
Nov. 20, 2025 NUVB Stock Option (Right to Buy) Class A Common Stock (300,000) $1.94 Feb. 27, 2033 300,000 Disposed
Oct. 27, 2025 NUVB Stock Option (Right to Buy) Class A Common Stock (100,000) $1.74 Jan. 21, 2030 100,000 Disposed
Feb. 28, 2025 NUVB Stock Option (Right to Buy) Class A Common Stock (500,000) $1.97 Feb. 27, 2035 500,000 Acquired
Feb. 29, 2024 NUVB Stock Option (Right to Buy) Class A Common Stock (500,000) $1.87 Feb. 27, 2034 500,000 Acquired
Feb. 28, 2023 NUVB Stock Option (Right to Buy) Class A Common Stock (500,000) $1.94 Feb. 27, 2033 500,000 Acquired
Aug. 29, 2022 NUVB Stock Option (Right to Buy) Class A Common Stock (400,000) $2.93 Aug. 28, 2032 400,000 Acquired
Feb. 28, 2022 NUVB Stock Option (Right to Buy) Class A Common Stock (500,000) $5.06 Feb. 27, 2032 500,000 Acquired
Feb. 10, 2021 NUVB Stock Option (Right to Buy) Class A Common Stock (398,935) $4.60 Oct. 4, 2030 398,935 Acquired
Feb. 10, 2021 NUVB Stock Option (Right to Buy) Class A Common Stock (398,935) $1.74 Jan. 21, 2030 398,935 Acquired

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

Initial ownership (Form 3) 1 holding

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

DateTickerSecuritySharesOwnership
Feb. 12, 2021 NUVB No securities owned. 0 Direct

Compensation (DEF 14A)

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

NUVB

Ph.D. Chief Scientific Officer
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $515,072 · · · $254,925 · $35,806 $1,472,462
2024 $502,979 · · · $251,500 · $22,281 $1,406,750
2023 $484,000 · · · $174,240 · $36,318 $1,359,293

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