SEC CIK 1298632
Hansen David R
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| WLKview stock → | 25,807 | 2015-02-18 |
Position History — WLK
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — WLK
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2015-02-20 | Grant / award (derivative) | 2,264 | $0.00 | 2,264 |
| 2015-02-20 | Grant / award (derivative) | 7,550 | $0.00 | 7,550 |
| 2015-02-18 | Tax withholding | 1,073 | $66.79 | 25,807 |
| 2014-02-28 | Option exercise (derivative) | 1,006 | $0.00 | 2,014 |
| 2014-02-28 | Option exercise (derivative) | 3,226 | $0.00 | 1,614 |
| 2014-02-28 | Open-market sale | 4,232 | $134.50 | 13,440 |
| 2014-02-28 | Option exercise | 3,226 | $60.11 | 17,672 |
| 2014-02-28 | Option exercise | 1,006 | $91.40 | 14,446 |
| 2014-02-19 | Tax withholding | 3 | $129.58 | 14,149 |
| 2014-02-19 | Tax withholding | 709 | $129.00 | 13,440 |
| 2014-02-14 | Grant / award (derivative) | 867 | $0.00 | 867 |
| 2014-02-14 | Grant / award (derivative) | 2,702 | $0.00 | 2,702 |
| 2013-03-14 | Option exercise (derivative) | 2,979 | $0.00 | 0 |
| 2013-03-14 | Open-market sale | 200 | $96.65 | 15,152 |
| 2013-03-14 | Open-market sale | 400 | $96.64 | 15,352 |
| 2013-03-14 | Open-market sale | 1 | $96.64 | 15,752 |
| 2013-03-14 | Open-market sale | 400 | $96.53 | 15,753 |
| 2013-03-14 | Open-market sale | 100 | $96.53 | 16,153 |
| 2013-03-14 | Open-market sale | 300 | $96.48 | 16,253 |
| 2013-03-14 | Open-market sale | 100 | $96.66 | 15,052 |
| 2013-03-14 | Option exercise | 1,618 | $14.24 | 19,649 |
| 2013-03-14 | Open-market sale | 100 | $96.48 | 16,553 |
| 2013-03-14 | Open-market sale | 200 | $96.43 | 16,653 |
| 2013-03-14 | Open-market sale | 200 | $96.38 | 16,853 |
| 2013-03-14 | Open-market sale | 196 | $96.37 | 17,053 |
| 2013-03-14 | Open-market sale | 100 | $96.37 | 17,249 |
| 2013-03-14 | Open-market sale | 300 | $96.36 | 17,349 |
| 2013-03-14 | Open-market sale | 2,000 | $96.36 | 17,649 |
| 2013-03-14 | Open-market sale | 1,000 | $96.50 | 14,052 |
| 2013-03-14 | Option exercise | 2,979 | $20.53 | 18,031 |
| 2013-02-28 | Tax withholding | 940 | $84.09 | 5,216 |
| 2013-02-28 | Tax withholding | 9 | $84.70 | 5,207 |
| 2013-02-15 | Grant / award (derivative) | 1,136 | $0.00 | 1,136 |
| 2013-02-15 | Grant / award (derivative) | 3,020 | $0.00 | 3,020 |
| 2012-12-07 | Option exercise (derivative) | 5,000 | $0.00 | 1,618 |
| 2012-12-07 | Option exercise | 5,000 | $14.24 | 11,156 |
| 2012-12-07 | Open-market sale | 5,000 | $73.65 | 6,156 |
| 2012-08-06 | Option exercise (derivative) | 2,979 | $0.00 | 2,979 |
| 2012-08-06 | Option exercise (derivative) | 11,518 | $0.00 | 11,518 |
| 2012-08-06 | Open-market sale | 200 | $67.02 | 39,743 |
| 2012-08-06 | Open-market sale | 400 | $67.01 | 39,943 |
| 2012-08-06 | Option exercise | 11,518 | $31.61 | 37,364 |
| 2012-08-06 | Option exercise | 2,979 | $20.53 | 40,343 |
| 2012-08-06 | Open-market sale | 100 | $67.26 | 6,156 |
| 2012-08-06 | Open-market sale | 200 | $67.24 | 6,256 |
| 2012-08-06 | Open-market sale | 500 | $500.00 | 6,456 |
| 2012-08-06 | Open-market sale | 939 | $67.22 | 6,956 |
| 2012-08-06 | Open-market sale | 2,300 | $67.21 | 7,895 |
| 2012-08-06 | Open-market sale | 10,458 | $67.20 | 10,195 |
| 2012-08-06 | Open-market sale | 100 | $67.17 | 20,653 |
| 2012-08-06 | Open-market sale | 200 | $67.16 | 20,753 |
| 2012-08-06 | Open-market sale | 100 | $67.15 | 20,953 |
| 2012-08-06 | Open-market sale | 300 | $67.14 | 21,053 |
| 2012-08-06 | Open-market sale | 1,350 | $67.13 | 21,353 |
| 2012-08-06 | Open-market sale | 600 | $67.12 | 22,703 |
| 2012-08-06 | Open-market sale | 350 | $67.11 | 23,303 |
| 2012-08-06 | Open-market sale | 200 | $67.10 | 23,653 |
| 2012-08-06 | Open-market sale | 1,445 | $67.08 | 23,853 |
| 2012-08-06 | Open-market sale | 300 | $67.08 | 25,298 |
| 2012-08-06 | Open-market sale | 9,845 | $67.08 | 25,598 |
| 2012-08-06 | Open-market sale | 1,000 | $67.07 | 35,443 |
| 2012-08-06 | Open-market sale | 200 | $67.06 | 36,443 |
| 2012-08-06 | Open-market sale | 800 | $67.05 | 36,643 |
| 2012-08-06 | Open-market sale | 300 | $67.04 | 37,443 |
| 2012-08-06 | Open-market sale | 2,000 | $67.03 | 37,743 |
| 2012-08-06 | Open-market sale | 24,342 | $67.15 | 16,001 |
| 2012-02-24 | Tax withholding | 5 | $57.78 | 25,846 |
| 2012-02-24 | Tax withholding | 1,573 | $57.50 | 25,851 |
| 2012-02-17 | Grant / award (derivative) | 4,840 | $0.00 | 4,840 |
| 2012-02-17 | Grant / award | 1,884 | $0.00 | 27,424 |
| 2012-02-14 | Tax withholding | 80 | $58.01 | 25,540 |
| 2012-02-14 | Tax withholding | 2,059 | $57.08 | 25,620 |
| 2011-03-02 | Option exercise (derivative) | 6,618 | $0.00 | 6,618 |
| 2011-03-02 | Option exercise (derivative) | 2,978 | $0.00 | 5,958 |
| 2011-03-02 | Option exercise (derivative) | 3,031 | $0.00 | 0 |
| 2011-03-02 | Option exercise | 6,618 | $14.24 | 34,297 |
| 2011-03-02 | Option exercise | 3,031 | $19.29 | 37,328 |
| 2011-03-02 | Option exercise | 2,978 | $20.53 | 40,306 |
| 2011-03-02 | Open-market sale | 12,627 | $48.00 | 27,679 |
| 2011-02-28 | Option exercise (derivative) | 4,123 | $0.00 | 0 |
| 2011-02-28 | Open-market sale | 100 | $47.34 | 33,852 |
| 2011-02-28 | Option exercise | 3,251 | $27.22 | 31,030 |
| 2011-02-28 | Option exercise | 1,522 | $36.10 | 32,552 |
| 2011-02-28 | Option exercise | 4,123 | $31.61 | 36,675 |
| 2011-02-28 | Open-market sale | 1,423 | $47.30 | 35,252 |
| 2011-02-28 | Open-market sale | 1,000 | $47.31 | 34,252 |
| 2011-02-28 | Open-market sale | 200 | $47.32 | 34,052 |
| 2011-02-28 | Open-market sale | 100 | $47.33 | 33,952 |
| 2011-02-28 | Open-market sale | 100 | $47.58 | 27,879 |
| 2011-02-28 | Open-market sale | 100 | $47.57 | 28,079 |
| 2011-02-28 | Open-market sale | 100 | $47.56 | 28,179 |
| 2011-02-28 | Open-market sale | 100 | $47.55 | 28,279 |
| 2011-02-28 | Open-market sale | 500 | $47.53 | 28,379 |
| 2011-02-28 | Open-market sale | 600 | $47.52 | 28,879 |
| 2011-02-28 | Open-market sale | 1,600 | $47.49 | 29,479 |
| 2011-02-28 | Open-market sale | 800 | $47.48 | 31,079 |
| 2011-02-28 | Open-market sale | 273 | $47.47 | 31,879 |
| 2011-02-28 | Open-market sale | 400 | $47.46 | 32,152 |
| 2011-02-28 | Open-market sale | 100 | $47.39 | 32,552 |
| 2011-02-28 | Open-market sale | 300 | $47.38 | 32,652 |
| 2011-02-28 | Open-market sale | 600 | $47.37 | 32,952 |
| 2011-02-28 | Open-market sale | 300 | $47.36 | 33,552 |
| 2011-02-28 | Open-market sale | 200 | $48.08 | 27,679 |
| 2011-02-18 | Grant / award (derivative) | 3,885 | $0.00 | 3,885 |
| 2011-02-18 | Grant / award | 1,629 | $0.00 | 27,779 |
| 2011-02-17 | Tax withholding | 1,065 | $43.41 | 26,169 |
| 2011-02-17 | Tax withholding | 19 | $43.65 | 26,150 |
| 2010-11-05 | Option exercise (derivative) | 6,617 | $0.00 | 13,236 |
| 2010-11-05 | Option exercise (derivative) | 6,062 | $0.00 | 3,031 |
| 2010-11-05 | Open-market sale | 100 | $36.19 | 29,156 |
| 2010-11-05 | Open-market sale | 100 | $36.19 | 30,694 |
| 2010-11-05 | Open-market sale | 903 | $36.18 | 30,794 |
| 2010-11-05 | Open-market sale | 400 | $36.17 | 31,697 |
| 2010-11-05 | Open-market sale | 900 | $36.16 | 32,097 |
| 2010-11-05 | Open-market sale | 1,158 | $36.15 | 32,997 |
| 2010-11-05 | Open-market sale | 800 | $36.14 | 34,155 |
| 2010-11-05 | Open-market sale | 100 | $36.13 | 34,955 |
| 2010-11-05 | Open-market sale | 500 | $36.12 | 35,055 |
| 2010-11-05 | Open-market sale | 1,150 | $36.11 | 35,555 |
| 2010-11-05 | Open-market sale | 29 | $36.10 | 36,705 |
| 2010-11-05 | Open-market sale | 2,500 | $36.09 | 36,734 |
| 2010-11-05 | Open-market sale | 600 | $36.04 | 39,234 |
| 2010-11-05 | Open-market sale | 79 | $36.03 | 39,834 |
| 2010-11-05 | Option exercise | 6,062 | $19.29 | 39,913 |
| 2010-11-05 | Option exercise | 6,617 | $14.24 | 33,851 |
| 2010-11-05 | Open-market sale | 400 | $36.28 | 27,234 |
| 2010-11-05 | Open-market sale | 100 | $36.24 | 27,634 |
| 2010-11-05 | Open-market sale | 100 | $36.23 | 27,734 |
| 2010-11-05 | Open-market sale | 313 | $36.22 | 27,834 |
| 2010-11-05 | Open-market sale | 700 | $36.21 | 28,147 |
| 2010-11-05 | Open-market sale | 100 | $36.21 | 28,847 |
| 2010-11-05 | Open-market sale | 209 | $36.20 | 28,947 |
| 2010-11-05 | Open-market sale | 1,438 | $36.19 | 29,256 |
| 2010-08-16 | Open-market sale | 1,000 | $28.57 | 27,557 |
| 2010-08-16 | Open-market sale | 323 | $28.55 | 27,234 |
| 2010-02-26 | Grant / award (derivative) | 8,936 | $0.00 | 8,936 |
| 2010-02-26 | Grant / award | 3,535 | $0.00 | 28,557 |
| 2010-02-24 | Tax withholding | 1 | $20.27 | 25,022 |
| 2010-02-24 | Tax withholding | 755 | $20.39 | 25,023 |
| 2009-08-07 | Option exercise (derivative) | 7,767 | $0.00 | 0 |
| 2009-08-07 | Open-market sale | 3,400 | $24.50 | 25,678 |
| 2009-08-07 | Open-market sale | 2,064 | $24.53 | 29,078 |
| 2009-08-07 | Open-market sale | 1,000 | $24.55 | 31,142 |
| 2009-08-07 | Open-market sale | 1,000 | $24.57 | 32,142 |
| 2009-08-07 | Open-market sale | 1,600 | $24.60 | 33,142 |
| 2009-08-07 | Open-market sale | 400 | $24.66 | 34,742 |
| 2009-08-07 | Option exercise | 7,767 | $14.50 | 35,142 |
| 2009-03-17 | Tax withholding | 81 | $12.99 | 27,375 |
| 2009-02-13 | Grant / award (derivative) | 19,853 | $0.00 | 19,853 |
| 2009-02-13 | Grant / award | 7,646 | $0.00 | 27,456 |
| 2008-09-02 | Tax withholding | 190 | $19.29 | 19,810 |
| 2008-03-17 | Tax withholding | 9 | $13.00 | 20,087 |
| 2008-03-17 | Tax withholding | 87 | $12.51 | 20,000 |
| 2008-02-19 | Grant / award (derivative) | 9,093 | $0.00 | 9,093 |
| 2008-02-19 | Grant / award | 3,823 | $0.00 | 20,096 |
| 2007-09-04 | Tax withholding | 185 | $26.85 | 16,274 |
| 2007-09-04 | Tax withholding | 1 | $26.77 | 16,273 |
| 2007-03-16 | Tax withholding | 83 | $27.55 | 16,459 |
| 2007-03-02 | Grant / award (derivative) | 23,036 | $0.00 | 23,036 |
| 2007-03-02 | Grant / award (derivative) | 4,123 | $0.00 | 4,123 |
| 2007-03-02 | Grant / award | 11,863 | $0.00 | 16,542 |
| 2007-03-02 | Grant / award | 1,979 | $0.00 | 4,679 |
| 2006-11-15 | Open-market sale | 516 | $34.22 | 2,700 |
| 2006-09-01 | Tax withholding | 186 | $29.83 | 3,216 |
| 2006-08-31 | Option exercise (derivative) | 4,703 | $0.00 | 7,767 |
| 2006-08-31 | Open-market sale | 4,703 | $29.40 | 3,402 |
| 2006-08-31 | Option exercise | 4,703 | $14.50 | 8,105 |
| 2006-08-30 | Option exercise (derivative) | 1,564 | $0.00 | 12,470 |
| 2006-08-30 | Open-market sale | 1,564 | $29.40 | 3,402 |
| 2006-08-30 | Option exercise | 1,564 | $14.50 | 4,966 |
| 2006-08-22 | Option exercise (derivative) | 1,500 | $0.00 | 14,034 |
| 2006-08-22 | Open-market sale | 1,500 | $30.00 | 3,402 |
| 2006-08-22 | Option exercise | 1,500 | $14.50 | 4,902 |
| 2006-03-20 | Grant / award (derivative) | 1,522 | $0.00 | 1,522 |
| 2006-03-20 | Grant / award | 927 | $0.00 | 3,402 |
| 2006-03-15 | Option exercise (derivative) | 1,522 | $0.00 | 0 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.