Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 21 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
Sept. 6, 2026 BIO M 864 · · 3,880 Direct +28.65% Acquired (price as of 2026-10-02)
Sept. 6, 2026 BIO F 277 $386.11 $106,952 3,603 Direct -7.14% Disposed -4.4% (price as of 2026-10-02)
Sept. 6, 2026 BIO M 864 · · 1,728 Direct -33.33% Disposed (price as of 2026-10-02)
Sept. 5, 2026 BIO M 1,027 · · 3,345 Direct +44.31% Acquired (price as of 2026-10-02)
Sept. 5, 2026 BIO F 329 $386.11 $127,030 3,016 Direct -9.84% Disposed -4.4% (price as of 2026-10-02)
Sept. 5, 2026 BIO M 1,027 · · 3,083 Direct -24.99% Disposed (price as of 2026-10-02)
Sept. 4, 2026 BIO A 4,026 · · 4,026 Direct · Acquired (price as of 2026-10-02)
Oct. 20, 2025 BIO M 1,044 · · 2,568 Direct +68.50% Acquired (price as of 2026-10-02)
Oct. 20, 2025 BIO F 335 $321.90 $107,836 2,233 Direct -13.05% Disposed 14.7% (price as of 2026-10-02)
Oct. 20, 2025 BIO M 1,044 · · 2,088 Direct -33.33% Disposed (price as of 2026-10-02)
Sept. 6, 2025 BIO M 864 · · 1,801 Direct +92.21% Acquired (price as of 2026-10-02)
Sept. 6, 2025 BIO F 277 $295.43 $81,834 1,524 Direct -15.38% Disposed 25.0% (price as of 2026-10-02)
Sept. 6, 2025 BIO M 864 · · 2,592 Direct -25.00% Disposed (price as of 2026-10-02)
Sept. 5, 2025 BIO A 4,110 · · 4,110 Direct · Acquired (price as of 2026-10-02)
March 3, 2025 BIO A 2,918 · · 2,918 Direct · Acquired (price as of 2026-10-02)
Oct. 20, 2024 BIO M 1,044 · · 3,132 Direct -25.00% Disposed (price as of 2026-10-02)
Oct. 20, 2024 BIO F 335 $346.37 $116,034 853 Direct -28.20% Disposed 6.6% (price as of 2026-10-02)
Oct. 20, 2024 BIO M 1,044 · · 1,188 Direct +725.00% Acquired (price as of 2026-10-02)
Sept. 6, 2024 BIO A 3,456 · · 3,456 Direct · Acquired (price as of 2026-10-02)
March 8, 2024 BIO A 3,535 · · 3,535 Direct · Acquired (price as of 2026-10-02)
Oct. 20, 2023 BIO A 4,176 · · 4,176 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
Sept. 6, 2026 BIO Restricted Stock Units Bio-Rad A Common Stock (864) · · 864 Disposed
Sept. 5, 2026 BIO Restricted Stock Units Bio-Rad A Common Stock (1,027) · · 1,027 Disposed
Sept. 4, 2026 BIO Restricted Stock Units Bio-Rad A Common Stock (4,026) · · 4,026 Acquired
Oct. 20, 2025 BIO Restricted Stock Units Bio-Rad A Common Stock (1,044) · · 1,044 Disposed
Sept. 6, 2025 BIO Restricted Stock Units Bio-Rad A Common Stock (864) · · 864 Disposed
Sept. 5, 2025 BIO Restricted Stock Units Bio-Rad A Common Stock (4,110) · · 4,110 Acquired
March 3, 2025 BIO Non-Qualified Stock Option (right to buy) Bio-Rad A Common Stock (2,918) $256.45 March 3, 2035 2,918 Acquired
Oct. 20, 2024 BIO Restricted Stock Units Bio-Rad A Common Stock (1,044) · · 1,044 Disposed
Sept. 6, 2024 BIO Restricted Stock Units Bio-Rad A Common Stock (3,456) · · 3,456 Acquired
March 8, 2024 BIO Non-Qualified Stock Option (right to buy) Bio-Rad A Common Stock (3,535) $343.76 March 8, 2034 3,535 Acquired
Oct. 20, 2023 BIO Restricted Stock Units Bio-Rad A Common Stock (4,176) · · 4,176 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Sept. 14, 2023 BIO Bio-Rad A Common Stock 20 Direct