Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 11 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
Aug. 15, 2025 KWR F 372 $135.40 $50,369 1,959 Direct -15.96% Disposed 18.7% (price as of 2026-10-02)
March 15, 2025 KWR A 1,401 · · 1,401 Direct · Acquired (price as of 2026-10-02)
March 15, 2025 KWR X 3 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
March 15, 2025 KWR M 299 · · 600 Direct -33.26% Disposed (price as of 2026-10-02)
March 15, 2025 KWR X 3 · · 2,331 Direct +0.13% Acquired (price as of 2026-10-02)
March 15, 2025 KWR M 299 · · 2,328 Direct +14.74% Acquired (price as of 2026-10-02)
March 15, 2025 KWR F 112 $128.47 $14,389 2,029 Direct -5.23% Disposed 25.1% (price as of 2026-10-02)
March 15, 2024 KWR A 899 · · 899 Direct · Acquired (price as of 2026-10-02)
March 15, 2024 KWR F 112 $200.16 $22,418 2,141 Direct -4.97% Disposed -19.7% (price as of 2026-10-02)
Aug. 15, 2023 KWR A 1,186 · · 2,253 Direct +111.15% Acquired (price as of 2026-10-02)
Aug. 15, 2023 KWR A 1,067 · · 1,067 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, 2025 KWR Restricted Stock Units Common Stock (1,401) · · 1,401 Acquired
March 15, 2025 KWR Dividend Equivalent Rights Common Stock (3) · March 15, 2025 3 Disposed
March 15, 2025 KWR Restricted Stock Units Common Stock (299) · · 299 Disposed
March 15, 2024 KWR Restricted Stock Units Common Stock (899) · · 899 Acquired

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