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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of all insider trading transactions in WESTLAKE CHEMICAL CORP. Get notifications about new insider transactions in WESTLAKE CHEMICAL CORP for free.
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 17 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Sell | S | 53.78 | 18,274 | 982,776 | 6,063 | 24.3 K to 6.1 K (-75.09 %) |
| Nov 17 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Buy | M | 45.70 | 1,582 | 72,293 | 24,337 | 22.8 K to 24.3 K (+6.95 %) |
| Nov 17 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Buy | M | 30.05 | 1,334 | 40,090 | 22,755 | 21.4 K to 22.8 K (+6.23 %) |
| Nov 17 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Buy | M | 15.81 | 15,358 | 242,733 | 21,421 | 6.1 K to 21.4 K (+253.31 %) |
| Nov 16 2016 | WLK | WESTLAKE CHEMICAL ... | Chao James | Chairman | Sell | S | 53.06 | 10,000 | 530,595 | 20,000 | 30 K to 20 K (-33.33 %) |
| Nov 16 2016 | WLK | WESTLAKE CHEMICAL ... | Chao James | Chairman | Sell | S | 52.84 | 10,000 | 528,439 | 30,000 | 40 K to 30 K (-25.00 %) |
| Nov 16 2016 | WLK | WESTLAKE CHEMICAL ... | Chao Albert | President & CEO | Sell | S | 53.06 | 10,000 | 530,595 | 20,000 | 30 K to 20 K (-33.33 %) |
| Nov 16 2016 | WLK | WESTLAKE CHEMICAL ... | Chao Albert | President & CEO | Sell | S | 52.84 | 10,000 | 528,439 | 30,000 | 40 K to 30 K (-25.00 %) |
| Nov 14 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Sell | S | 52.91 | 5,696 | 301,367 | 12,503 | 18.2 K to 12.5 K (-31.30 %) |
| Nov 14 2016 | WLK | WESTLAKE CHEMICAL ... | Buesinger Robert F. | Sr. Vice President, ... | Option Exercise | M | 30.05 | 2,880 | 86,551 | 0 | |
| Nov 14 2016 | WLK | WESTLAKE CHEMICAL ... | Buesinger Robert F. | Sr. Vice President, ... | Sell | S | 54.42 | 2,880 | 156,737 | 8,155 | 11 K to 8.2 K (-26.10 %) |
| Nov 14 2016 | WLK | WESTLAKE CHEMICAL ... | Buesinger Robert F. | Sr. Vice President, ... | Buy | M | 30.05 | 2,880 | 86,551 | 11,035 | 8.2 K to 11 K (+35.32 %) |
| Oct 04 2016 | WLK | WESTLAKE CHEMICAL ... | Ederington L. Benjamin | VP, General Counsel ... | Option Exercise | M | 0.00 | 4,786 | 0 | 0 | |
| Oct 04 2016 | WLK | WESTLAKE CHEMICAL ... | Ederington L. Benjamin | VP, General Counsel ... | Payment of Exercise | F | 53.51 | 1,318 | 70,526 | 5,382 | 6.7 K to 5.4 K (-19.67 %) |
| Oct 04 2016 | WLK | WESTLAKE CHEMICAL ... | Ederington L. Benjamin | VP, General Counsel ... | Buy | M | 0.00 | 4,786 | 0 | 6,700 | 1.9 K to 6.7 K (+250.05 %) |
| Sep 12 2016 | WLK | WESTLAKE CHEMICAL ... | Bates Simon | VP, Building Produc ... | Payment of Exercise | F | 51.05 | 149 | 7,606 | 14,930 | 15.1 K to 14.9 K (-0.99 %) |
| Sep 12 2016 | WLK | WESTLAKE CHEMICAL ... | Bates Simon | VP, Building Produc ... | Payment of Exercise | F | 51.11 | 13,063 | 667,650 | 15,079 | 28.1 K to 15.1 K (-46.42 %) |
| Sep 06 2016 | WLK | WESTLAKE CHEMICAL ... | Bates Simon | VP, Building Produc ... | Grant | A | 0.00 | 28,142 | 0 | 28,142 | 0 to 28.1 K |
| Aug 25 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Payment of Exercise | F | 51.93 | 2,443 | 126,865 | 6,063 | 8.5 K to 6.1 K (-28.72 %) |
| Aug 25 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Option Exercise | M | 15.81 | 30,714 | 485,435 | 0 | |
| Aug 25 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Payment of Exercise | F | 51.93 | 5,696 | 295,793 | 18,199 | 23.9 K to 18.2 K (-23.84 %) |
| Aug 25 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Sell | S | 52.00 | 30,714 | 1,597,156 | 23,895 | 54.6 K to 23.9 K (-56.24 %) |
| Aug 25 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Buy | M | 15.81 | 30,714 | 485,435 | 54,609 | 23.9 K to 54.6 K (+128.54 %) |
| Aug 25 2016 | WLK | WESTLAKE CHEMICAL ... | Bender Mark Steven | Sr VP, CFO and Trea ... | Option Exercise | M | 15.81 | 30,714 | 485,435 | 0 | |
| Aug 25 2016 | WLK | WESTLAKE CHEMICAL ... | Bender Mark Steven | Sr VP, CFO and Trea ... | Payment of Exercise | F | 51.93 | 6,749 | 350,476 | 68,000 | 74.7 K to 68 K (-9.03 %) |
| Aug 25 2016 | WLK | WESTLAKE CHEMICAL ... | Bender Mark Steven | Sr VP, CFO and Trea ... | Buy | M | 15.81 | 30,714 | 485,435 | 74,749 | 44 K to 74.7 K (+69.75 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Option Exercise | M | 0.00 | 588 | 0 | 0 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Option Exercise | M | 0.00 | 357 | 0 | 357 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Option Exercise | M | 0.00 | 603 | 0 | 1,206 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Buy | M | 0.00 | 588 | 0 | 20,689 | 20.1 K to 20.7 K (+2.93 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Buy | M | 0.00 | 357 | 0 | 20,101 | 19.7 K to 20.1 K (+1.81 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Buy | M | 0.00 | 603 | 0 | 19,744 | 19.1 K to 19.7 K (+3.15 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Option Exercise | M | 0.00 | 588 | 0 | 0 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Option Exercise | M | 0.00 | 357 | 0 | 357 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Option Exercise | M | 0.00 | 603 | 0 | 1,206 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Buy | M | 0.00 | 588 | 0 | 3,077 | 2.5 K to 3.1 K (+23.62 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Buy | M | 0.00 | 357 | 0 | 2,489 | 2.1 K to 2.5 K (+16.74 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Buy | M | 0.00 | 603 | 0 | 2,132 | 1.5 K to 2.1 K (+39.44 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Option Exercise | M | 0.00 | 588 | 0 | 0 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Option Exercise | M | 0.00 | 357 | 0 | 357 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Option Exercise | M | 0.00 | 603 | 0 | 1,206 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Buy | M | 0.00 | 588 | 0 | 18,875 | 18.3 K to 18.9 K (+3.22 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Buy | M | 0.00 | 357 | 0 | 18,287 | 17.9 K to 18.3 K (+1.99 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Buy | M | 0.00 | 603 | 0 | 17,930 | 17.3 K to 17.9 K (+3.48 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Option Exercise | M | 0.00 | 588 | 0 | 0 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Option Exercise | M | 0.00 | 357 | 0 | 357 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Option Exercise | M | 0.00 | 603 | 0 | 1,206 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Buy | M | 0.00 | 588 | 0 | 14,104 | 13.5 K to 14.1 K (+4.35 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Buy | M | 0.00 | 357 | 0 | 13,516 | 13.2 K to 13.5 K (+2.71 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Buy | M | 0.00 | 603 | 0 | 13,159 | 12.6 K to 13.2 K (+4.80 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Option Exercise | M | 0.00 | 588 | 0 | 0 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Option Exercise | M | 0.00 | 357 | 0 | 357 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Option Exercise | M | 0.00 | 603 | 0 | 1,206 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Buy | M | 0.00 | 588 | 0 | 41,275 | 40.7 K to 41.3 K (+1.45 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Buy | M | 0.00 | 357 | 0 | 40,687 | 40.3 K to 40.7 K (+0.89 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Buy | M | 0.00 | 603 | 0 | 40,330 | 39.7 K to 40.3 K (+1.52 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Option Exercise | M | 0.00 | 588 | 0 | 0 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Option Exercise | M | 0.00 | 357 | 0 | 357 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Option Exercise | M | 0.00 | 603 | 0 | 1,206 | |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Buy | M | 0.00 | 588 | 0 | 3,077 | 2.5 K to 3.1 K (+23.62 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Buy | M | 0.00 | 357 | 0 | 2,489 | 2.1 K to 2.5 K (+16.74 %) |
| Aug 24 2016 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Buy | M | 0.00 | 603 | 0 | 2,132 | 1.5 K to 2.1 K (+39.44 %) |
| Aug 19 2016 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Option Exercise | A | 0.00 | 3,009 | 0 | 3,009 | |
| Aug 19 2016 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Option Exercise | A | 0.00 | 3,009 | 0 | 3,009 | |
| Aug 19 2016 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Option Exercise | A | 0.00 | 3,009 | 0 | 3,009 | |
| Aug 19 2016 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Option Exercise | A | 0.00 | 3,009 | 0 | 3,009 | |
| Aug 19 2016 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Option Exercise | A | 0.00 | 3,009 | 0 | 3,009 | |
| Aug 19 2016 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Option Exercise | A | 0.00 | 3,009 | 0 | 3,009 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Teel Lawrence E. | SVP, Olefins | Option Exercise | A | 0.00 | 3,137 | 0 | 3,137 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Teel Lawrence E. | SVP, Olefins | Option Exercise | A | 44.42 | 11,941 | 530,419 | 11,941 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Option Exercise | A | 0.00 | 2,296 | 0 | 2,296 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Option Exercise | A | 44.42 | 8,741 | 388,275 | 8,741 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Option Exercise | A | 0.00 | 1,441 | 0 | 1,441 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Option Exercise | A | 44.42 | 5,485 | 243,644 | 5,485 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Kenner Andrew | VP - Manufacturing | Option Exercise | A | 0.00 | 2,844 | 0 | 2,844 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Kenner Andrew | VP - Manufacturing | Option Exercise | A | 44.42 | 10,827 | 480,935 | 10,827 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Ederington L. Benjamin | VP,GC,ChiefAdminOff ... | Option Exercise | A | 0.00 | 3,302 | 0 | 3,302 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Ederington L. Benjamin | VP,GC,ChiefAdminOff ... | Option Exercise | A | 44.42 | 12,569 | 558,315 | 12,569 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Chao James | Chairman | Option Exercise | A | 0.00 | 17,154 | 0 | 17,154 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Chao James | Chairman | Option Exercise | A | 44.42 | 65,304 | 2,900,804 | 65,304 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Chao Albert | President & CEO | Option Exercise | A | 0.00 | 21,454 | 0 | 21,454 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Chao Albert | President & CEO | Option Exercise | A | 44.42 | 81,673 | 3,627,915 | 81,673 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Buesinger Robert F. | Sr. Vice President, ... | Option Exercise | A | 0.00 | 3,539 | 0 | 3,539 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Buesinger Robert F. | Sr. Vice President, ... | Option Exercise | A | 44.42 | 13,472 | 598,426 | 13,472 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Bender Mark Steven | Sr VP, CFO and Trea ... | Option Exercise | A | 0.00 | 6,566 | 0 | 6,566 | |
| Feb 22 2016 | WLK | WESTLAKE CHEMICAL ... | Bender Mark Steven | Sr VP, CFO and Trea ... | Option Exercise | A | 44.42 | 24,996 | 1,110,322 | 24,996 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Teel Lawrence E. | SVP, Olefins | Option Exercise | M | 0.00 | 774 | 0 | 0 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Teel Lawrence E. | SVP, Olefins | Payment of Exercise | F | 43.52 | 257 | 11,185 | 870 | 1.1 K to 870 (-22.80 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Teel Lawrence E. | SVP, Olefins | Buy | M | 0.00 | 774 | 0 | 1,127 | 353 to 1.1 K (+219.26 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Option Exercise | M | 0.00 | 892 | 0 | 0 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Payment of Exercise | F | 43.52 | 296 | 12,882 | 8,506 | 8.8 K to 8.5 K (-3.36 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Mattina Michael J. | Sr. VP, Polyethylen ... | Buy | M | 0.00 | 892 | 0 | 8,802 | 7.9 K to 8.8 K (+11.28 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Option Exercise | M | 0.00 | 1,362 | 0 | 0 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Payment of Exercise | F | 43.52 | 451 | 19,628 | 23,895 | 24.3 K to 23.9 K (-1.85 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Buy | M | 0.00 | 1,362 | 0 | 24,346 | 23 K to 24.3 K (+5.93 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Kenner Andrew | VP - Manufacturing | Option Exercise | M | 0.00 | 2,238 | 0 | 0 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Kenner Andrew | VP - Manufacturing | Payment of Exercise | F | 43.52 | 703 | 30,595 | 11,555 | 12.3 K to 11.6 K (-5.74 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Kenner Andrew | VP - Manufacturing | Buy | M | 0.00 | 2,238 | 0 | 12,258 | 10 K to 12.3 K (+22.34 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Chao James | Chairman | Option Exercise | M | 0.00 | 11,406 | 0 | 0 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Chao James | Chairman | Buy | M | 0.00 | 11,406 | 0 | 111,532 | 100.1 K to 111.5 K (+11.39 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Chao Albert | President & CEO | Option Exercise | M | 0.00 | 14,246 | 0 | 0 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Chao Albert | President & CEO | Payment of Exercise | F | 43.52 | 3,931 | 171,077 | 264,702 | 268.6 K to 264.7 K (-1.46 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Chao Albert | President & CEO | Buy | M | 0.00 | 14,246 | 0 | 268,633 | 254.4 K to 268.6 K (+5.60 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Buesinger Robert F. | Sr. Vice President, ... | Option Exercise | M | 0.00 | 2,114 | 0 | 0 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Buesinger Robert F. | Sr. Vice President, ... | Payment of Exercise | F | 43.52 | 667 | 29,028 | 8,155 | 8.8 K to 8.2 K (-7.56 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Buesinger Robert F. | Sr. Vice President, ... | Buy | M | 0.00 | 2,114 | 0 | 8,822 | 6.7 K to 8.8 K (+31.51 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Bender Mark Steven | Sr VP, CFO and Trea ... | Option Exercise | M | 0.00 | 4,040 | 0 | 0 | |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Bender Mark Steven | Sr VP, CFO and Trea ... | Payment of Exercise | F | 43.52 | 1,172 | 51,005 | 44,035 | 45.2 K to 44 K (-2.59 %) |
| Feb 18 2016 | WLK | WESTLAKE CHEMICAL ... | Bender Mark Steven | Sr VP, CFO and Trea ... | Buy | M | 0.00 | 4,040 | 0 | 45,207 | 41.2 K to 45.2 K (+9.81 %) |
| Nov 12 2015 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Option Exercise | M | 30.05 | 1,974 | 59,324 | 0 | |
| Nov 12 2015 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Sell | S | 60.19 | 811 | 48,814 | 22,984 | 23.8 K to 23 K (-3.41 %) |
| Nov 12 2015 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Sell | S | 60.21 | 1,974 | 118,859 | 23,795 | 25.8 K to 23.8 K (-7.66 %) |
| Nov 12 2015 | WLK | WESTLAKE CHEMICAL ... | Mangieri George J | VP & Chief Accounti ... | Buy | M | 30.05 | 1,974 | 59,324 | 25,769 | 23.8 K to 25.8 K (+8.30 %) |
| Oct 01 2015 | WLK | WESTLAKE CHEMICAL ... | Ederington L. Benjamin | VP, General Counsel ... | Option Exercise | M | 0.00 | 1,914 | 0 | 0 | |
| Oct 01 2015 | WLK | WESTLAKE CHEMICAL ... | Ederington L. Benjamin | VP, General Counsel ... | Buy | M | 0.00 | 1,914 | 0 | 1,914 | 0 to 1.9 K |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Option Exercise | M | 0.00 | 586 | 0 | 588 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Option Exercise | M | 0.00 | 357 | 0 | 714 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Buy | M | 0.00 | 586 | 0 | 19,141 | 18.6 K to 19.1 K (+3.16 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Buy | M | 0.00 | 357 | 0 | 18,555 | 18.2 K to 18.6 K (+1.96 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | RILEY H JOHN JR | Director | Option Exercise | A | 0.00 | 1,809 | 0 | 1,809 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Option Exercise | M | 0.00 | 586 | 0 | 588 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Option Exercise | M | 0.00 | 357 | 0 | 714 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Buy | M | 0.00 | 586 | 0 | 1,529 | 943 to 1.5 K (+62.14 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Buy | M | 0.00 | 357 | 0 | 943 | 586 to 943 (+60.92 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | NORTHCUTT R BRUCE | Director | Option Exercise | A | 0.00 | 1,809 | 0 | 1,809 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Option Exercise | M | 0.00 | 586 | 0 | 588 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Option Exercise | M | 0.00 | 357 | 0 | 714 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Buy | M | 0.00 | 586 | 0 | 17,327 | 16.7 K to 17.3 K (+3.50 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Buy | M | 0.00 | 357 | 0 | 16,741 | 16.4 K to 16.7 K (+2.18 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | LUKENS MAX L | Director | Option Exercise | A | 0.00 | 1,809 | 0 | 1,809 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Option Exercise | M | 0.00 | 586 | 0 | 588 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Option Exercise | M | 0.00 | 357 | 0 | 714 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Buy | M | 0.00 | 586 | 0 | 39,727 | 39.1 K to 39.7 K (+1.50 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Buy | M | 0.00 | 357 | 0 | 39,141 | 38.8 K to 39.1 K (+0.92 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Jenkins Dorothy C | Director | Option Exercise | A | 0.00 | 1,809 | 0 | 1,809 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Option Exercise | M | 0.00 | 586 | 0 | 588 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Option Exercise | M | 0.00 | 357 | 0 | 714 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Buy | M | 0.00 | 586 | 0 | 1,529 | 943 to 1.5 K (+62.14 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Buy | M | 0.00 | 357 | 0 | 943 | 586 to 943 (+60.92 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | Graff Michael J | Director | Option Exercise | A | 0.00 | 1,809 | 0 | 1,809 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Option Exercise | M | 0.00 | 586 | 0 | 588 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Option Exercise | M | 0.00 | 357 | 0 | 714 | |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Buy | M | 0.00 | 586 | 0 | 12,556 | 12 K to 12.6 K (+4.90 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Buy | M | 0.00 | 357 | 0 | 11,970 | 11.6 K to 12 K (+3.07 %) |
| Aug 25 2015 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Option Exercise | A | 0.00 | 1,809 | 0 | 1,809 | |
| Aug 13 2015 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Option Exercise | M | 12.26 | 1,776 | 21,765 | 0 | |
| Aug 13 2015 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Sell | S | 63.00 | 5,143 | 324,009 | 11,613 | 16.8 K to 11.6 K (-30.69 %) |
| Aug 13 2015 | WLK | WESTLAKE CHEMICAL ... | BLAKELY ROBERT T | Director | Buy | M | 12.26 | 1,776 | 21,765 | 16,756 | 15 K to 16.8 K (+11.86 %) |
| May 27 2015 | WLK | WESTLAKE CHEMICAL ... | Taylor Jeffrey L | Sr VP, Polyethylene | Option Exercise | M | 45.70 | 2,014 | 92,035 | 2,014 | |
| May 27 2015 | WLK | WESTLAKE CHEMICAL ... | Taylor Jeffrey L | Sr VP, Polyethylene | Option Exercise | M | 63.98 | 1,720 | 110,041 | 3,494 |