James Chao

CIK 1299505 · View on SEC EDGAR ↗

Insider

First SEC filing: July 29, 2014 · Latest: July 29, 2014

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 86 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

86 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 29, 2025 WLKP S 3,700 $22.10 $81,770 0 Direct -100.00% Disposed -1.8% (price as of 2026-08-21)
May 28, 2025 WLKP S 4,600 $22.10 $101,660 3,700 Direct -55.42% Disposed -1.8% (price as of 2026-08-21)
May 27, 2025 WLKP S 5,608 $22.17 $124,329 8,300 Direct -40.32% Disposed -2.1% (price as of 2026-08-21)
May 24, 2018 WLK S 33,305 $120.69 $4,019,580 51,492 Direct -39.28% Disposed -34.5% (price as of 2026-08-21)
Dec. 4, 2017 WLKP P 8,473 $22.17 $187,846 8,473 Indirect — Acquired -2.1% (price as of 2026-08-21)
Nov. 24, 2017 WLK S 66,026 $94.61 $6,246,720 118,969 Direct -35.69% Disposed -16.5% (price as of 2026-08-21)
Nov. 22, 2017 WLK S 10,109 $95.20 $962,377 118,969 Direct -7.83% Disposed -17.0% (price as of 2026-08-21)
Nov. 17, 2016 WLK S 300 $54.57 $16,371 0 Indirect -100.00% Disposed 44.8% (price as of 2026-08-21)
Nov. 17, 2016 WLK S 9,700 $53.82 $522,054 300 Indirect -97.00% Disposed 46.9% (price as of 2026-08-21)
Nov. 16, 2016 WLK S 10,000 $54.45 $544,500 10,000 Indirect -50.00% Disposed 45.2% (price as of 2026-08-21)
Nov. 15, 2016 WLK S 10,000 $53.06 $530,600 20,000 Indirect -33.33% Disposed 49.0% (price as of 2026-08-21)
Nov. 14, 2016 WLK S 10,000 $52.84 $528,400 30,000 Indirect -25.00% Disposed 49.6% (price as of 2026-08-21)
Aug. 25, 2014 WLK S 30,559 $95.00 $2,903,105 100,126 Direct -23.38% Disposed -16.8% (price as of 2026-08-21)
Aug. 22, 2014 WLK S 42,379 $93.57 $3,965,403 100,126 Direct -29.74% Disposed -15.5% (price as of 2026-08-21)

Showing latest 100 of 319 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. 20, 2026 WLK Restricted Stock Units Common Stock (7,472) — — 7,472 Acquired
Feb. 20, 2026 WLK Employee Option (right to buy) Common Stock (27,382) $94.48 Feb. 20, 2036 27,382 Acquired
Feb. 17, 2026 WLK Restricted Stock Units Common Stock (10,382) — — 10,382 Disposed
Feb. 21, 2025 WLK Restricted Stock Units Common Stock (12,322) — — 12,322 Acquired
Feb. 21, 2025 WLK Employee Option (right to buy) Common Stock (37,172) $110.15 Feb. 21, 2035 37,172 Acquired
Feb. 18, 2025 WLK Restricted Stock Units Common Stock (8,796) — — 8,796 Disposed
Feb. 19, 2024 WLK Restricted Stock Units Common Stock (10,774) — — 10,774 Disposed
Nov. 30, 2023 WLK Employee Option (right to buy) Common Stock (9,177) $108.12 Feb. 18, 2032 9,177 Disposed
Nov. 30, 2023 WLK Employee Option (right to buy) Common Stock (24,437) $86.54 Feb. 19, 2031 24,437 Disposed
Nov. 30, 2023 WLK Employee Option (right to buy) Common Stock (34,559) $65.81 Feb. 14, 2030 34,559 Disposed
Aug. 31, 2023 WLK Emplopyee Option (right to buy) Common Stock (43,738) $65.81 Feb. 14, 2030 43,738 Disposed
Aug. 31, 2023 WLK Emplopyee Option (right to buy) Common Stock (55,766) $79.83 Feb. 15, 2029 55,766 Disposed
Aug. 31, 2023 WLK Emplopyee Option (right to buy) Common Stock (35,321) $107.75 Feb. 16, 2028 35,321 Disposed
Aug. 31, 2023 WLK Emplopyee Option (right to buy) Common Stock (62,197) $61.86 Feb. 17, 2027 62,197 Disposed
Aug. 31, 2023 WLK Emplopyee Option (right to buy) Common Stock (47,569) $44.42 Feb. 18, 2026 47,569 Disposed
Aug. 30, 2023 WLK Emplopyee Option (right to buy) Common Stock (17,735) $44.42 Feb. 18, 2026 17,735 Acquired
Aug. 30, 2023 WLK Employee Option (right to buy) Common Stock (12,321) $68.09 Feb. 20, 2025 12,321 Acquired
Feb. 20, 2018 WLK Restricted Stock Units Common Stock (10,868) — — 10,868 Disposed
Feb. 16, 2018 WLK Restricted Stock Units Common Stock (9,480) — — 9,480 Acquired
Feb. 16, 2018 WLK Employee Option (right to buy) Common Stock (35,321) $107.75 Feb. 16, 2028 35,321 Acquired
Nov. 24, 2017 WLK Employee Option (right to buy) Common Stock (32,000) $63.98 Feb. 14, 2024 32,000 Disposed
Nov. 24, 2017 WLK Employee Option (right to buy) Common Stock (23,917) $68.09 Feb. 20, 2025 23,917 Disposed
Nov. 24, 2017 WLK Employee Option (right to buy) Common Stock (10,109) $45.70 Feb. 15, 2023 10,109 Disposed
Nov. 22, 2017 WLK Employee Option (right to buy) Common Stock (10,109) $45.70 Feb. 15, 2023 10,109 Disposed
Feb. 17, 2017 WLK Restricted Stock Units Common Stock (15,922) — — 15,922 Acquired
Feb. 17, 2017 WLK Employee Option (right to buy) Common Stock (62,197) $61.86 Feb. 17, 2027 62,197 Acquired
Feb. 14, 2017 WLK Restricted Stock Units Common Stock (10,274) — — 10,274 Disposed
Feb. 18, 2016 WLK Restricted Stock Units Common Stock (17,154) — — 17,154 Acquired
Feb. 18, 2016 WLK Employee Option (right to buy) Common Stock (65,304) $44.42 Feb. 18, 2026 65,304 Acquired
Feb. 15, 2016 WLK Restricted Stock Units Common Stock (11,406) — — 11,406 Disposed
Feb. 20, 2015 WLK Restricted Stock Units Common Stock (10,868) — — 10,868 Acquired
Feb. 20, 2015 WLK Employee Option (right to buy) Common Stock (36,238) $68.09 Feb. 20, 2025 36,238 Acquired
Aug. 25, 2014 WLK Employee Option (right to buy) Common Stock (30,559) — Feb. 18, 2022 30,559 Disposed
Aug. 22, 2014 WLK Employee Option (right to buy) Common Stock (31,594) — Feb. 26, 2021 31,594 Disposed
Aug. 22, 2014 WLK Employee Option (right to buy) Common Stock (10,785) — Feb. 18, 2022 10,785 Disposed
June 9, 2014 WLK Employee Option (right to buy) Common Stock (32,838) — Feb. 17, 2022 32,838 Disposed
June 9, 2014 WLK Employee Option (right to buy) Common Stock (10,108) — Feb. 15, 2023 10,108 Disposed
Feb. 14, 2014 WLK Employee Option (right to buy) Common Stock (16,000) $127.96 Feb. 14, 2024 16,000 Acquired
Feb. 14, 2014 WLK Restricted Stock Units Common Stock (5,137) — — 5,137 Acquired
Feb. 15, 2013 WLK Restricted Stock Units Common Stock (5,703) — — 5,703 Acquired
Feb. 15, 2013 WLK Employee Option (right to buy) Common Stock (15,163) $91.40 Feb. 15, 2023 15,163 Acquired
Dec. 7, 2012 WLK Employee Option (right to buy) Common Stock (30,193) $20.52 Feb. 26, 2020 30,193 Acquired
Dec. 6, 2012 WLK Employee Option (right to buy) Common Stock (1,400) $20.52 Feb. 26, 2020 1,400 Disposed
Aug. 22, 2012 WLK Employee Option (right to buy) Common Stock (33,802) $14.24 Feb. 13, 2019 33,802 Disposed
Aug. 22, 2012 WLK Employee Option (right to buy) Common Stock (33,802) $14.24 Feb. 13, 2019 33,802 Acquired
May 29, 2012 WLK Employee Option (right to buy) Common Stock (70,194) $14.24 Feb. 13, 2019 70,194 Disposed
May 29, 2012 WLK Employee Option (right to buy) Common Stock (70,194) $14.24 Feb. 13, 2019 70,194 Acquired
May 25, 2012 WLK Employee Option(right to buy) Common Stock (35,300) $14.50 Aug. 16, 2014 35,300 Acquired
Feb. 17, 2012 WLK Employee Option (right to buy) Common Stock (30,787) $60.10 Feb. 17, 2022 30,787 Acquired
Feb. 17, 2012 WLK Employee Option (right to buy) Common Stock (24,629) $60.10 Feb. 17, 2022 24,629 Acquired
Nov. 16, 2011 WLK Employee Option (right to buy) Common Stock (1,295) $14.24 Feb. 13, 2019 1,295 Acquired
March 15, 2011 WLK Employee Option (right to buy) Common Stock (49,009) $19.29 Feb. 15, 2018 49,007 Acquired
Feb. 18, 2011 WLK Employee Option (right to buy) Common Stock (27,574) $45.83 Feb. 18, 2021 27,574 Acquired
Feb. 18, 2011 WLK Employee Option (right to buy) Common Stock (20,672) $45.83 Feb. 18, 2021 20,672 Acquired
Nov. 18, 2010 WLK Employee Option (right to buy) Common Stock (15,488) $31.61 Feb. 13, 2017 15,488 Acquired
Nov. 18, 2010 WLK Employee Option (right to buy) Common Stock (6,977) $36.10 March 15, 2016 6,977 Acquired
Nov. 18, 2010 WLK Employee Option (right to buy) Common Stock (9,934) $27.22 Aug. 31, 2015 9,934 Acquired
Feb. 26, 2010 WLK Employee Option (right to buy) Common Stock (63,249) $20.52 Feb. 26, 2020 63,249 Acquired
Feb. 26, 2010 WLK Employee Option (right to buy) Common Stock (47,390) $20.52 Feb. 26, 2020 47,390 Acquired
Feb. 13, 2009 WLK Employee Option (right to buy) Common Stock (140,525) $14.24 Feb. 13, 2019 140,525 Acquired
Feb. 13, 2009 WLK Employee Option (right to buy) Common Stock (105,291) $14.24 Feb. 13, 2019 105,291 Acquired
Feb. 19, 2008 WLK Employee Option (right to buy) Common Stock (68,422) $19.29 Feb. 15, 2018 68,422 Acquired
Feb. 19, 2008 WLK Employee Option (right to buy) Common Stock (49,007) $19.29 Feb. 15, 2018 49,007 Acquired
March 2, 2007 WLK Employee Option (right to buy) Common Stock (21,090) $31.61 Feb. 23, 2017 21,090 Acquired
March 2, 2007 WLK Employee Option (right to buy) Common Stock (15,488) $31.61 Feb. 23, 2017 15,488 Acquired
March 20, 2006 WLK Employee Option (right to buy) Common Stock (6,977) $36.10 March 15, 2016 6,977 Acquired
March 20, 2006 WLK Employee Option (right to buy) Common Stock (9,514) $36.10 March 15, 2016 9,514 Acquired
Sept. 9, 2005 WLK Employee Option (right to buy) Common Stock (13,547) $27.22 Aug. 31, 2015 13,547 Acquired
Sept. 9, 2005 WLK Employee Option (right to buy) Common Stock (9,934) $27.22 Aug. 31, 2015 9,934 Acquired
Aug. 16, 2004 WLK Incentive Stock Option Common Stock (44,400) $14.50 Aug. 16, 2014 44,400 Acquired
Aug. 16, 2004 WLK Incentive Stock Option Common Stock (35,300) $14.50 Aug. 16, 2014 35,300 Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date Ticker Security Shares Ownership
July 29, 2014 WLKP Common Units (Limited Partner Interests) 1,436,115 Indirect
July 29, 2014 WLKP Subordinated Units (Limited Partner Interests)→ Common Units (12,686,115) 12,686,115 Indirect

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
2013 $713,333 — $521,250 $521,250 $2,466,677 — $46,454 $4,268,964
2012 $690,500 — — — $2,200,595 — $184,180 $4,227,575
2011 $655,967 — — — $1,095,387 — $44,237 $2,590,257

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