Insider at

04

Insider transactions

05
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
March 15, 2021 KWR A 1,123 · · 1,123 Direct · Acquired (price as of 2026-10-02)
March 15, 2021 KWR A 312 · · 2,575 Direct +13.79% Acquired (price as of 2026-10-02)
Feb. 26, 2021 KWR F 122 $282.38 $34,450 2,263 Direct -5.12% Disposed -43.1% (price as of 2026-10-02)
March 30, 2020 KWR A 2,341 · · 2,341 Direct · Acquired (price as of 2026-10-02)
March 30, 2020 KWR A 536 · · 2,385 Direct +28.99% Acquired (price as of 2026-10-02)
Aug. 15, 2019 KWR A 2,210 · · 2,210 Direct · Acquired (price as of 2026-10-02)
Aug. 15, 2019 KWR A 2,105 · · 2,105 Direct · Acquired (price as of 2026-10-02)
Aug. 15, 2019 KWR A 451 · · 1,849 Direct +32.26% Acquired (price as of 2026-10-02)
Aug. 15, 2019 KWR A 430 · · 1,398 Direct +44.42% Acquired (price as of 2026-10-02)
Aug. 15, 2019 KWR A 968 · · 968 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 15, 2021 KWR Employee Stock Option (right to buy) Common Stock (1,123) $245.49 March 15, 2028 1,123 Acquired
March 30, 2020 KWR Employee Stock Option (right to buy) Common Stock (2,341) $136.64 March 30, 2027 2,341 Acquired
Aug. 15, 2019 KWR Employee Stock Option (right to buy) Common Stock (2,210) $154.92 Feb. 25, 2026 2,210 Acquired
Aug. 15, 2019 KWR Employee Stock Option (right to buy) Common Stock (2,105) $154.92 Feb. 26, 2025 2,105 Acquired

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