William E Barnett

CIK 1243147 · View on SEC EDGAR ↗

Insider

First SEC filing: March 1, 2007 · Latest: March 1, 2007

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 33 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

33 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 29, 2012 WLK S 100 $72.74 $7,274 10,559 Direct -0.94% Disposed 119.6% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 100 $72.72 $7,272 10,659 Direct -0.93% Disposed 119.7% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 100 $72.72 $7,272 10,759 Direct -0.92% Disposed 119.7% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 400 $72.71 $29,084 10,859 Direct -3.55% Disposed 119.7% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 100 $72.70 $7,270 11,259 Direct -0.88% Disposed 119.8% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 100 $72.70 $7,270 11,359 Direct -0.87% Disposed 119.8% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 380 $72.70 $27,626 11,459 Direct -3.21% Disposed 119.8% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 400 $72.67 $29,068 11,839 Direct -3.27% Disposed 119.9% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 200 $72.66 $14,532 12,239 Direct -1.61% Disposed 119.9% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 100 $72.65 $7,265 12,439 Direct -0.80% Disposed 119.9% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 100 $72.64 $7,264 12,539 Direct -0.79% Disposed 119.9% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 100 $72.63 $7,263 12,639 Direct -0.78% Disposed 120.0% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 400 $72.62 $29,048 12,739 Direct -3.04% Disposed 120.0% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 200 $72.61 $14,522 13,139 Direct -1.50% Disposed 120.0% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 200 $72.58 $14,516 13,339 Direct -1.48% Disposed 120.1% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 400 $72.53 $29,012 13,539 Direct -2.87% Disposed 120.3% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 400 $72.52 $29,008 13,939 Direct -2.79% Disposed 120.3% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 200 $72.49 $14,498 14,339 Direct -1.38% Disposed 120.4% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 600 $72.42 $43,452 14,539 Direct -3.96% Disposed 120.6% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 200 $72.41 $14,482 15,139 Direct -1.30% Disposed 120.6% (price as of 2026-08-19)
Nov. 29, 2012 WLK S 4,972 $72.40 $359,973 15,339 Direct -24.48% Disposed 120.7% (price as of 2026-08-19)

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
Nov. 29, 2012 WLK Employee Option (right to buy) Common Stock (1,920) $27.12 Aug. 17, 2017 1,920 Acquired
Nov. 29, 2012 WLK Employee Option (right to buy) Common Stock (3,826) $21.00 Aug. 15, 2018 3,826 Acquired
Nov. 29, 2012 WLK Employee Option (right to buy) Common Stock (2,661) $24.51 Aug. 20, 2019 2,661 Acquired
Nov. 29, 2012 WLK Employee Option (right to buy) Common Stock (1,345) $30.07 Aug. 21, 2016 1,345 Acquired
Aug. 20, 2009 WLK Common Stock Common Stock (3,549) $24.51 Aug. 20, 2019 3,549 Acquired
Aug. 15, 2008 WLK Common Stock Common Stock (3,826) $20.82 Aug. 15, 2018 3,826 Acquired
Aug. 17, 2007 WLK Common Stock Common Stock (1,920) $27.12 Aug. 17, 2017 1,920 Acquired
Aug. 21, 2006 WLK Options (right to buy) Common Stock (1,345) $30.07 Aug. 21, 2016 1,345 Acquired

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