Debra Stefaniak

CIK 1656944 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 29, 2015 · Latest: Feb. 10, 2023

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 57 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

57 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 7, 2021 SCL S 1,501 $121.84 $182,882 6,663 Direct -18.39% Disposed -48.2% (price as of 2026-08-20)
March 12, 2021 SCL S 760 $130.69 $99,324 8,164 Direct -8.52% Disposed -51.7% (price as of 2026-08-20)
March 1, 2021 SCL S 402 $121.85 $48,984 1,205 Indirect -25.02% Disposed -48.2% (price as of 2026-08-20)
Aug. 24, 2020 SCL S 453 $116.34 $52,702 8,164 Direct -5.26% Disposed -45.7% (price as of 2026-08-20)
March 17, 2020 SCL S 624 $100.31 $62,593 8,164 Direct -7.10% Disposed -37.0% (price as of 2026-08-20)
Aug. 28, 2019 SCL S 500 $94.75 $47,375 8,164 Direct -5.77% Disposed -33.4% (price as of 2026-08-20)
June 11, 2019 SCL S 300 $92.63 $27,789 8,664 Direct -3.35% Disposed -31.8% (price as of 2026-08-20)
March 15, 2019 SCL S 200 $90.10 $18,020 8,964 Direct -2.18% Disposed -29.9% (price as of 2026-08-20)
Dec. 12, 2018 SCL S 200 $79.88 $15,976 6,799 Direct -2.86% Disposed -20.9% (price as of 2026-08-20)
March 7, 2018 SCL S 100 $83.68 $8,368 6,999 Direct -1.41% Disposed -24.5% (price as of 2026-08-20)
March 7, 2018 SCL S 200 $83.47 $16,694 7,099 Direct -2.74% Disposed -24.3% (price as of 2026-08-20)
Nov. 21, 2017 SCL S 818 $82.66 $67,616 5,798 Direct -12.36% Disposed -23.6% (price as of 2026-08-20)
March 1, 2017 SCL S 734 $79.01 $57,993 5,932 Direct -11.01% Disposed -20.1% (price as of 2026-08-20)
Nov. 18, 2016 SCL S 100 $77.78 $7,778 5,497 Direct -1.79% Disposed -18.8% (price as of 2026-08-20)
Nov. 18, 2016 SCL S 200 $77.77 $15,554 5,597 Direct -3.45% Disposed -18.8% (price as of 2026-08-20)
Nov. 18, 2016 SCL S 100 $77.71 $7,771 5,797 Direct -1.70% Disposed -18.7% (price as of 2026-08-20)
Nov. 18, 2016 SCL S 100 $77.69 $7,769 5,897 Direct -1.67% Disposed -18.7% (price as of 2026-08-20)
Nov. 18, 2016 SCL S 200 $77.58 $15,516 5,997 Direct -3.23% Disposed -18.6% (price as of 2026-08-20)
Nov. 18, 2016 SCL S 100 $77.49 $7,749 6,197 Direct -1.59% Disposed -18.5% (price as of 2026-08-20)
Nov. 18, 2016 SCL S 100 $77.48 $7,748 6,297 Direct -1.56% Disposed -18.5% (price as of 2026-08-20)
Nov. 18, 2016 SCL S 100 $77.47 $7,747 6,397 Direct -1.54% Disposed -18.5% (price as of 2026-08-20)
March 4, 2016 SCL P 500 $54.05 $27,025 5,497 Direct +10.01% Acquired 16.8% (price as of 2026-08-20)
Nov. 12, 2015 SCL P 1,000 $51.00 $51,000 4,997 Direct +25.02% Acquired 23.8% (price as of 2026-08-20)

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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Aug. 12, 2022 SCL Stock Appreciation Right Common Stock (1,058) $63.11 Feb. 18, 2023 1,058 Disposed
Feb. 16, 2022 SCL Performance Shares Common Stock (1,079) — — 1,079 Acquired
Feb. 16, 2022 SCL Stock Appreciation Right Common Stock (5,043) $111.26 Feb. 15, 2032 5,043 Acquired
Feb. 15, 2022 SCL Performance Shares Common Stock (1,300) — — 1,300 Disposed
Feb. 17, 2021 SCL Performance Shares Common Stock (1,233) — — 1,233 Disposed
Feb. 17, 2021 SCL Performance Shares Common Stock (970) — — 970 Acquired
Feb. 17, 2021 SCL Stock Appreciation Right Common Stock (3,700) $123.73 Feb. 16, 2031 3,700 Acquired
Feb. 17, 2021 SCL Employee Stock Option (Right to Buy) Stock Option (Right to Buy) (1,233) $123.73 Feb. 16, 2031 1,233 Acquired
Aug. 24, 2020 SCL Employee Stock Option (Right to Buy) Common Stock (453) $63.11 Feb. 18, 2023 453 Disposed
June 5, 2020 SCL Stock Appreciation Right Common Stock (818) $42.76 Feb. 13, 2022 818 Disposed
Feb. 19, 2020 SCL Performance Shares Common Stock (1,120) — — 1,120 Disposed
Feb. 19, 2020 SCL Performance Shares Common Stock (1,173) — — 1,173 Acquired
Feb. 19, 2020 SCL Stock Appreciation Right Common Stock (5,207) $102.30 Feb. 18, 2030 5,207 Acquired
Feb. 19, 2020 SCL Stock Option (Right to Buy) Common Stock (1,736) $102.30 Feb. 18, 2030 1,736 Acquired
Feb. 20, 2019 SCL Performance Shares Common Stock (1,824) — — 1,824 Disposed
Feb. 20, 2019 SCL Performance Shares Common Stock (1,300) — — 1,300 Acquired
Feb. 20, 2019 SCL Stock Appreciation Right Common Stock (5,062) $92.29 Feb. 19, 2029 5,062 Acquired
Feb. 20, 2019 SCL Stock Option (Right to Buy) Common Stock (1,687) $92.29 Feb. 19, 2029 1,687 Acquired
Feb. 21, 2018 SCL Stock Option (Right to Buy) Common Stock (1,551) $72.99 Feb. 20, 2028 1,551 Acquired
Feb. 21, 2018 SCL Stock Appreciation Right Common Stock (4,653) $72.99 Feb. 20, 2028 4,653 Acquired
Feb. 21, 2018 SCL Performance Shares Common Stock (1,233) — — 1,233 Acquired
Feb. 21, 2018 SCL Performance Shares Common Stock (1,215) — — 1,215 Disposed
Nov. 21, 2017 SCL Employee Stock Option (Right to Buy) Common Stock (818) $42.76 Feb. 13, 2022 818 Disposed
March 1, 2017 SCL Employee Stock Option (Right to Buy) Common Stock (734) $37.51 Feb. 6, 2019 734 Disposed
Feb. 21, 2017 SCL Performance Shares Common Stock (485) — — 485 Disposed
Feb. 21, 2017 SCL Performance Shares Common Stock (1,120) — — 1,120 Acquired
Feb. 21, 2017 SCL Stock Appreciation Right Common Stock (4,178) $78.58 Feb. 20, 2027 4,178 Acquired
Feb. 21, 2017 SCL Stock Option (Right to Buy) Common Stock (1,393) $78.58 Feb. 20, 2027 1,393 Acquired
Nov. 18, 2016 SCL Employee Stock Option (Right to Buy) Common Stock (1,000) $37.51 Feb. 6, 2019 1,000 Disposed
Feb. 23, 2016 SCL Performance Shares Common Stock (1,824) — — 1,824 Acquired
Feb. 23, 2016 SCL Employee Stock Option (Right to Buy) Common Stock (2,044) $43.85 Feb. 22, 2026 2,044 Acquired
Feb. 23, 2016 SCL Stock Appreciation Right Common Stock (6,131) $43.85 Feb. 22, 2026 6,131 Acquired

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

Initial ownership (Form 3) 14 holdings

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

Date Ticker Security Shares Ownership
Oct. 29, 2015 SCL Common Stock 3,997 Direct
Oct. 29, 2015 SCL Common Stock 2,037 Indirect
Oct. 29, 2015 SCL Employee Stock Option (Right to Buy)→ Common Stock (1,734) 1,734 Direct
Oct. 29, 2015 SCL Employee Stock Option (Right to Buy)→ Common Stock (818) 818 Direct
Oct. 29, 2015 SCL Employee Stock Option (Right to Buy)→ Common Stock (453) 453 Direct
Oct. 29, 2015 SCL Employee Stock Option (Right to Buy)→ Common Stock (472) 472 Direct
Oct. 29, 2015 SCL Employee Stock Option (Right to Buy)→ Common Stock (1,204) 1,204 Direct
Oct. 29, 2015 SCL Performance Shares→ Common Stock (555) 555 Direct
Oct. 29, 2015 SCL Performance Shares→ Common Stock (485) 485 Direct
Oct. 29, 2015 SCL Performance Shares→ Common Stock (1,215) 1,215 Direct
Oct. 29, 2015 SCL Stock Appreciation Right→ Common Stock (818) 818 Direct
Oct. 29, 2015 SCL Stock Appreciation Right→ Common Stock (1,058) 1,058 Direct
Oct. 29, 2015 SCL Stock Appreciation Right→ Common Stock (1,416) 1,416 Direct
Oct. 29, 2015 SCL Stock Appreciation Right→ Common Stock (3,611) 3,611 Direct