George J Mangieri

CIK 1298504 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 22, 2011 · Latest: Feb. 22, 2011

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 69 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

69 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 5, 2018 WLK S 2,161 $113.41 $245,079 2,160 Direct -50.01% Disposed -30.4% (price as of 2026-08-20)
Feb. 28, 2018 WLK S 4,335 $111.22 $482,139 4,321 Direct -50.08% Disposed -29.0% (price as of 2026-08-20)
Nov. 13, 2017 WLK S 2,915 $94.70 $276,050 3,662 Direct -44.32% Disposed -16.6% (price as of 2026-08-20)
Nov. 13, 2017 WLK S 10,466 $94.37 $987,676 6,577 Direct -61.41% Disposed -16.3% (price as of 2026-08-20)
May 17, 2017 WLK S 6,578 $62.21 $409,217 6,577 Direct -50.00% Disposed 26.9% (price as of 2026-08-20)
Nov. 11, 2016 WLK S 5,696 $52.91 $301,375 12,503 Direct -31.30% Disposed 49.2% (price as of 2026-08-20)
Aug. 23, 2016 WLK S 30,714 $52.00 $1,597,128 23,895 Direct -56.24% Disposed 51.8% (price as of 2026-08-20)
Nov. 10, 2015 WLK S 811 $60.19 $48,814 22,984 Direct -3.41% Disposed 31.2% (price as of 2026-08-20)
Nov. 10, 2015 WLK S 1,974 $60.21 $118,855 23,795 Direct -7.66% Disposed 31.1% (price as of 2026-08-20)
Aug. 4, 2014 WLKP P 5,000 $24.00 $120,000 5,000 Direct — Acquired -10.2% (price as of 2026-08-20)
Feb. 26, 2014 WLK S 354 $133.01 $47,086 12,238 Direct -2.81% Disposed 18.7% (price as of 2026-08-20)
Feb. 24, 2014 WLK S 1,791 $132.27 $236,896 12,592 Direct -12.45% Disposed 19.4% (price as of 2026-08-20)
Feb. 24, 2014 WLK S 1,194 $132.28 $157,942 14,383 Direct -7.67% Disposed 19.4% (price as of 2026-08-20)
Aug. 1, 2013 WLK S 2,025 $104.67 $211,957 13,157 Direct -13.34% Disposed 50.8% (price as of 2026-08-20)
May 21, 2013 WLK S 1,001 $94.50 $94,594 13,157 Direct -7.07% Disposed 67.1% (price as of 2026-08-20)
March 14, 2013 WLK S 1,017 $96.07 $97,703 14,158 Direct -6.70% Disposed 64.3% (price as of 2026-08-20)
March 13, 2013 WLK S 391 $95.11 $37,188 15,058 Direct -2.53% Disposed 66.0% (price as of 2026-08-20)
March 13, 2013 WLK S 100 $95.10 $9,510 14,958 Direct -0.66% Disposed 66.0% (price as of 2026-08-20)
March 13, 2013 WLK S 100 $95.06 $9,506 14,858 Direct -0.67% Disposed 66.1% (price as of 2026-08-20)
March 13, 2013 WLK S 400 $95.08 $38,032 14,458 Direct -2.69% Disposed 66.1% (price as of 2026-08-20)
March 13, 2013 WLK S 300 $95.09 $28,527 14,158 Direct -2.07% Disposed 66.0% (price as of 2026-08-20)
Dec. 10, 2012 WLK S 972 $76.84 $74,688 14,894 Direct -6.13% Disposed 105.5% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 200 $68.18 $13,636 14,894 Direct -1.33% Disposed 131.6% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 400 $68.17 $27,268 15,094 Direct -2.58% Disposed 131.6% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 200 $68.10 $13,620 15,494 Direct -1.27% Disposed 131.9% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 400 $68.09 $27,236 15,694 Direct -2.49% Disposed 131.9% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 400 $68.06 $27,224 16,094 Direct -2.43% Disposed 132.0% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 14,361 $68.05 $977,266 16,494 Direct -46.54% Disposed 132.0% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 400 $68.04 $27,216 30,855 Direct -1.28% Disposed 132.1% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 1,420 $68.00 $96,560 31,255 Direct -4.35% Disposed 132.2% (price as of 2026-08-20)
Aug. 6, 2012 WLK S 16,215 $67.15 $1,088,837 32,675 Direct -33.17% Disposed 135.1% (price as of 2026-08-20)

Showing latest 100 of 176 transactions

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
Feb. 28, 2018 WLK Employee Option (right to buy) Common Stock (1,036) $68.09 Feb. 20, 2025 1,036 Disposed
Feb. 28, 2018 WLK Employee Option (right to buy) Common Stock (1,810) $44.42 Feb. 18, 2026 1,810 Disposed
Feb. 28, 2018 WLK Employee Option (right to buy) Common Stock (1,489) $61.86 Feb. 17, 2027 1,489 Disposed
Feb. 20, 2018 WLK Restricted Stock Units Common Stock (913) — — 913 Disposed
Feb. 16, 2018 WLK Restricted Stock Units Common Stock (693) — — 693 Acquired
Feb. 16, 2018 WLK Employee Option (right to buy) Common Stock (2,582) $107.75 Feb. 16, 2028 2,582 Acquired
Nov. 13, 2017 WLK Employee Option (right to buy) Common Stock (2,010) $68.09 Feb. 20, 2025 2,010 Disposed
Nov. 13, 2017 WLK Employee Option (right to buy) Common Stock (1,810) $44.42 Feb. 18, 2026 1,810 Disposed
Nov. 13, 2017 WLK Employee Option (right to buy) Common Stock (3,028) $63.98 Feb. 14, 2024 3,028 Disposed
Nov. 13, 2017 WLK Employee Option (right to buy) Common Stock (3,618) $45.70 Feb. 15, 2023 3,618 Disposed
Feb. 17, 2017 WLK Restricted Stock Units Common Stock (1,156) — — 1,156 Acquired
Feb. 17, 2017 WLK Employee Option (right to buy) Common Stock (4,515) $61.86 Feb. 17, 2027 4,515 Acquired
Feb. 14, 2017 WLK Restricted Stock Units Common Stock (972) — — 972 Disposed
Dec. 1, 2016 WLK Restricted Stock Units Common Stock (3,330) — — 3,330 Acquired
Aug. 23, 2016 WLK Employee Option (right to buy) Common Stock (30,714) $15.80 Feb. 23, 2017 30,714 Disposed
Feb. 18, 2016 WLK Restricted Stock Units Common Stock (1,441) — — 1,441 Acquired
Feb. 18, 2016 WLK Employee Option (right to buy) Common Stock (5,485) $44.42 Feb. 18, 2026 5,485 Acquired
Feb. 15, 2016 WLK Restricted Stock Units Common Stock (1,362) — — 1,362 Disposed
Nov. 10, 2015 WLK Employee Option (right to buy) Common Stock (1,974) $30.05 Feb. 17, 2022 1,974 Disposed
Feb. 20, 2015 WLK Restricted Stock Units Common Stock (913) — — 913 Acquired
Feb. 20, 2015 WLK Employee Option (right to buy) Common Stock (3,046) $68.09 Feb. 20, 2025 3,046 Acquired
Feb. 24, 2014 WLK Employee Option (right to buy) Common Stock (1,013) $45.83 Feb. 18, 2021 1,013 Disposed
Feb. 24, 2014 WLK Employee Option (right to buy) Common Stock (1,972) $60.10 Feb. 17, 2022 1,972 Disposed
Feb. 14, 2014 WLK Restricted Stock Units Common Stock (486) — — 486 Acquired
Feb. 14, 2014 WLK Employee Option (right to buy) Common Stock (1,514) $127.96 Feb. 14, 2024 1,514 Acquired
Aug. 1, 2013 WLK Employee Option (right to buy) Common Stock (2,025) $45.83 Feb. 18, 2021 2,025 Disposed
March 14, 2013 WLK Employee Option (right to buy) Common Stock (1,017) $20.52 Feb. 26, 2020 1,017 Disposed
March 13, 2013 WLK Employee Option (right to buy) Common Stock (1,291) $20.52 Feb. 26, 2020 1,291 Disposed
Feb. 15, 2013 WLK Restricted Stock Units Common Stock (681) — — 681 Acquired
Feb. 15, 2013 WLK Employee Option (right to buy) Common Stock (1,809) $91.40 Feb. 15, 2023 1,809 Acquired
Dec. 10, 2012 WLK Employee Option (right to buy) Common Stock (972) $36.10 March 15, 2016 972 Acquired
Aug. 6, 2012 WLK Employee Option (right to buy) Common Stock (2,595) $31.61 Feb. 23, 2017 2,595 Acquired
Aug. 6, 2012 WLK Employee Option (right to buy) Common Stock (15,357) $31.61 Feb. 23, 2017 15,357 Acquired
Aug. 6, 2012 WLK Employee Option (right to buy) Common Stock (1,779) $27.22 Aug. 31, 2015 1,779 Acquired
Aug. 6, 2012 WLK Employee Option (right to buy) Common Stock (2,308) $20.52 Feb. 26, 2020 2,308 Acquired
Aug. 6, 2012 WLK Employee Option (right to buy) Common Stock (5,128) $14.24 Feb. 13, 2019 5,128 Acquired
Feb. 17, 2012 WLK Employee Option (right to buy) Common Stock (2,959) $60.10 Feb. 17, 2022 2,959 Acquired
May 9, 2011 WLK Employee Option (right to buy) Common Stock (7,489) $19.29 Feb. 15, 2021 7,489 Acquired
May 6, 2011 WLK Employee Option (right to buy) (Common Stock) Common Stock (2,307) $20.52 Feb. 26, 2020 2,307 Acquired
May 6, 2011 WLK Employee Option (right to buy) Common Stock (5,128) $14.24 Feb. 13, 2019 5,128 Acquired
March 8, 2011 WLK Employee Option (right to buy) Common Stock (3,225) $14.24 Feb. 13, 2019 3,225 Acquired
March 7, 2011 WLK Employee Option (right to buy) Common Stock (1,901) $14.24 Feb. 13, 2019 1,901 Disposed
Feb. 18, 2011 WLK Employee Option (right to buy) Common Stock (3,038) $45.83 Feb. 18, 2021 3,038 Acquired
Feb. 26, 2010 WLK Employee Option (right to buy) Common Stock (6,923) $20.52 Feb. 26, 2020 6,923 Acquired
Aug. 6, 2009 WLK Employee Option (right to buy) Common Stock (3,767) $14.50 Aug. 16, 2014 3,767 Disposed
Feb. 13, 2009 WLK Employee Option (right to buy) Common Stock (15,382) $14.24 Feb. 13, 2019 15,382 Acquired
Feb. 19, 2008 WLK Employee Option (right to buy) Common Stock (7,489) $19.29 Feb. 15, 2018 7,489 Acquired
March 2, 2007 WLK Employee Option (right to buy) Common Stock (30,714) $31.61 Feb. 23, 2017 30,714 Acquired
March 2, 2007 WLK Employee Option (right to buy) Common Stock (2,595) $31.61 Feb. 23, 2017 2,595 Acquired
Aug. 30, 2006 WLK Employee Options (right to buy) [F1] Common Stock (1,767) $14.50 Aug. 16, 2014 1,767 Disposed
Aug. 23, 2006 WLK Employee Options (right to buy) [F1] Common Stock (2,000) $14.50 Aug. 16, 2014 2,000 Disposed
March 20, 2006 WLK Employee Option (right to buy) Common Stock (972) $36.10 March 15, 2016 972 Acquired
Sept. 9, 2005 WLK Employee Option (right to buy) Common Stock (1,779) $27.22 Aug. 31, 2015 1,779 Acquired
Aug. 16, 2005 WLK Employee Option (right to buy) [F1] Common Stock (3,766) $14.50 Aug. 16, 2014 3,766 Acquired
Aug. 16, 2004 WLK Incentive Stock Option Common Stock (11,300) $14.50 Aug. 16, 2014 11,300 Acquired

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

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

WLK

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2008 $279,225 $75,000 — — $70,411 — $28,064 $679,779

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.