Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 22 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
June 15, 2026 KWR M 68 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 15, 2026 KWR M 2,352 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 15, 2026 KWR F 741 $144.46 $107,045 3,157 Direct -19.01% Disposed 11.3% (price as of 2026-10-02)
June 15, 2026 KWR M 68 · · 3,898 Direct +1.78% Acquired (price as of 2026-10-02)
June 15, 2026 KWR M 2,352 · · 3,830 Direct +159.13% Acquired (price as of 2026-10-02)
March 15, 2026 KWR M 666 · · 1,107 Direct +151.02% Acquired (price as of 2026-10-02)
March 15, 2026 KWR M 882 · · 1,989 Direct +79.67% Acquired (price as of 2026-10-02)
March 15, 2026 KWR M 30 · · 2,019 Direct +1.51% Acquired (price as of 2026-10-02)
March 15, 2026 KWR F 541 $118.45 $64,081 1,478 Direct -26.80% Disposed 35.7% (price as of 2026-10-02)
March 15, 2026 KWR M 666 · · 667 Direct -49.96% Disposed (price as of 2026-10-02)
March 15, 2026 KWR M 882 · · 1,764 Direct -33.33% Disposed (price as of 2026-10-02)
March 15, 2026 KWR M 30 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
March 15, 2026 KWR A 2,870 · · 2,870 Direct · Acquired (price as of 2026-10-02)
March 15, 2025 KWR A 2,646 · · 2,646 Direct · Acquired (price as of 2026-10-02)
March 15, 2025 KWR X 5 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
March 15, 2025 KWR M 666 · · 1,333 Direct -33.32% Disposed (price as of 2026-10-02)
March 15, 2025 KWR F 230 $128.47 $29,548 441 Direct -34.28% Disposed 25.1% (price as of 2026-10-02)
March 15, 2025 KWR X 5 · · 671 Direct +0.75% Acquired (price as of 2026-10-02)
March 15, 2025 KWR M 666 · · 666 Direct · Acquired (price as of 2026-10-02)
Dec. 15, 2024 KWR A 5,565 · · 5,565 Direct · Acquired (price as of 2026-10-02)
June 15, 2024 KWR A 2,352 · · 4,351 Direct +117.66% Acquired (price as of 2026-10-02)
June 15, 2024 KWR A 1,999 · · 1,999 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
June 15, 2026 KWR Dividend Equivalent Rights Common Stock (68) · June 15, 2026 68 Disposed
June 15, 2026 KWR Restricted Stock Units Common Stock (2,352) · · 2,352 Disposed
March 15, 2026 KWR Restricted Stock Units Common Stock (666) · · 666 Disposed
March 15, 2026 KWR Restricted Stock Units Common Stock (882) · · 882 Disposed
March 15, 2026 KWR Dividend Equivalent Rights Common Stock (30) · March 15, 2026 30 Disposed
March 15, 2026 KWR Restricted Stock Units Common Stock (2,870) · · 2,870 Acquired
March 15, 2025 KWR Restricted Stock Units Common Stock (2,646) · · 2,646 Acquired
March 15, 2025 KWR Dividend Equivalent Rights Common Stock (5) · March 15, 2025 5 Disposed
March 15, 2025 KWR Restricted Stock Units Common Stock (666) · · 666 Disposed
Dec. 15, 2024 KWR Restricted Stock Units Common Stock (5,565) · · 5,565 Acquired
June 15, 2024 KWR Restricted Stock Units Common Stock (2,352) · · 2,352 Acquired
June 15, 2024 KWR Restricted Stock Units Common Stock (1,999) · · 1,999 Acquired

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