Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 6 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
May 11, 2026 SCL M 90 · · 190 Direct -32.14% Disposed (price as of 2026-10-02)
May 11, 2026 SCL F 50 $52.58 $2,629 40 Direct -55.56% Disposed 19.8% (price as of 2026-10-02)
May 11, 2026 SCL M 90 $52.58 $4,732 90 Direct · Acquired 19.8% (price as of 2026-10-02)
April 13, 2026 SCL A 1,429 · · 1,429 Direct · Acquired (price as of 2026-10-02)
April 13, 2026 SCL A 4,030 · · 4,030 Direct · Acquired (price as of 2026-10-02)
April 13, 2026 SCL A 2,859 · · 2,859 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
May 11, 2026 SCL Restricted Stock Units Restricted Stock Units (90) · May 10, 2027 90 Disposed
April 13, 2026 SCL Performance Shares Common Stock (1,429) · · 1,429 Acquired
April 13, 2026 SCL Stock Appreciation Right Common Stock (4,030) $52.46 April 13, 2036 4,030 Acquired
April 13, 2026 SCL Restricted Stock Units Restricted Stock Units (2,859) · April 13, 2029 2,859 Acquired

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

Initial ownership (Form 3) 9 holdings

07

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

DateTickerSecuritySharesOwnership
April 9, 2026 SCL Common Stock 96 Indirect
April 9, 2026 SCL Restricted Stock Units→ Restricted Stock Units (280) 280 Direct
April 9, 2026 SCL Stock Appreciation Right→ Common Stock (1,128) 1,128 Direct
April 9, 2026 SCL Performance Shares→ Common Stock (626) 626 Direct
April 9, 2026 SCL Restricted Stock Units→ Restricted Stock Units (836) 836 Direct
April 9, 2026 SCL Stock Appreciation Right→ Common Stock (1,769) 1,769 Direct
April 9, 2026 SCL Performance Shares→ Common Stock (749) 749 Direct
April 9, 2026 SCL Restricted Stock Units→ Restricted Stock Units (1,498) 1,498 Direct
April 9, 2026 SCL Stock Appreciation Right→ Common Stock (2,147) 2,147 Direct