Lawrence E. Teel
First SEC filing: June 8, 2012 · Latest: June 8, 2012
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 25, 2021 | WLK | M | 4,060 | $44.42 | $180,345 | 13,865 Direct | +41.41% | Acquired | 43.0% (price as of 2026-10-02) |
| Feb. 25, 2021 | WLK | M | 7,861 | $65.81 | $517,332 | 21,726 Direct | +56.70% | Acquired | -3.5% (price as of 2026-10-02) |
| Feb. 25, 2021 | WLK | M | 9,698 | $79.83 | $774,191 | 31,424 Direct | +44.64% | Acquired | -20.5% (price as of 2026-10-02) |
| Feb. 25, 2021 | WLK | M | 6,928 | $61.86 | $428,566 | 38,352 Direct | +22.05% | Acquired | 2.7% (price as of 2026-10-02) |
| Feb. 25, 2021 | WLK | S | 28,547 | $86.93 | $2,481,591 | 9,805 Direct | -74.43% | Disposed | -27.0% (price as of 2026-10-02) |
| Feb. 25, 2021 | WLK | S | 4,902 | $87.14 | $427,160 | 4,903 Direct | -49.99% | Disposed | -27.1% (price as of 2026-10-02) |
| Feb. 18, 2021 | WLK | F | 572 | $85.08 | $48,666 | 9,805 Direct | -5.51% | Disposed | -25.4% (price as of 2026-10-02) |
| Feb. 16, 2021 | WLK | M | 2,295 | · | · | 10,377 Direct | +28.40% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2021 | WLK | M | 2,295 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2021 | WLK | F | 319 | $85.73 | $27,348 | 8,085 Direct | -3.80% | Disposed | -25.9% (price as of 2026-10-02) |
| Feb. 16, 2021 | WLK | F | 3 | $87.43 | $262 | 8,082 Direct | -0.04% | Disposed | -27.4% (price as of 2026-10-02) |
| Feb. 14, 2021 | WLK | M | 1,112 | · | · | 8,404 Direct | +15.25% | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2021 | WLK | M | 1,112 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 11, 2020 | WLKP | P | 2,500 | $16.80 | $42,000 | 12,800 Direct | +24.27% | Acquired | 26.6% (price as of 2026-10-02) |
| March 10, 2020 | WLKP | P | 2,500 | $18.11 | $45,275 | 10,300 Direct | +32.05% | Acquired | 17.4% (price as of 2026-10-02) |
| Feb. 25, 2020 | WLK | M | 4,060 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 25, 2020 | WLK | M | 7,861 | · | · | 15,961 Direct | -33.00% | Disposed | (price as of 2026-10-02) |
| Feb. 25, 2020 | WLK | M | 9,698 | · | · | 4,996 Direct | -66.00% | Disposed | (price as of 2026-10-02) |
| Feb. 25, 2020 | WLK | M | 6,928 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 18, 2020 | WLK | F | 697 | $60.50 | $42,168 | 7,338 Direct | -8.67% | Disposed | 5.0% (price as of 2026-10-02) |
| Feb. 18, 2020 | WLK | F | 46 | $60.87 | $2,800 | 7,292 Direct | -0.63% | Disposed | 4.3% (price as of 2026-10-02) |
| Feb. 17, 2020 | WLK | M | 2,647 | · | · | 8,035 Direct | +49.13% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2020 | WLK | M | 2,647 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 14, 2020 | WLK | A | 23,822 | · | · | 23,822 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2020 | WLK | A | 5,632 | · | · | 5,632 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2020 | WLK | A | 1,112 | · | · | 1,112 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 3, 2019 | WLK | F | 675 | $66.01 | $44,557 | 5,388 Direct | -11.13% | Disposed | -3.8% (price as of 2026-10-02) |
| Dec. 1, 2019 | WLK | M | 1,665 | · | · | 6,063 Direct | +37.86% | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2019 | WLK | M | 1,665 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 19, 2019 | WLK | F | 786 | $73.29 | $57,606 | 4,473 Direct | -14.95% | Disposed | -13.4% (price as of 2026-10-02) |
| Feb. 19, 2019 | WLK | F | 75 | $75.81 | $5,686 | 4,398 Direct | -1.68% | Disposed | -16.2% (price as of 2026-10-02) |
| Feb. 18, 2019 | WLK | M | 3,137 | · | · | 5,259 Direct | +147.83% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2019 | WLK | M | 3,137 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2019 | WLK | A | 14,694 | · | · | 14,694 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2019 | WLK | A | 3,869 | · | · | 3,869 Direct | · | Acquired | (price as of 2026-10-02) |
| March 2, 2018 | WLKP | P | 1,900 | $22.75 | $43,225 | 7,800 Direct | +32.20% | Acquired | -6.5% (price as of 2026-10-02) |
| March 1, 2018 | WLKP | P | 3,100 | $22.75 | $70,525 | 5,900 Direct | +110.71% | Acquired | -6.5% (price as of 2026-10-02) |
| Feb. 26, 2018 | WLK | M | 3,941 | · | · | 4,060 Direct | -49.26% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2018 | WLK | M | 3,412 | · | · | 6,928 Direct | -33.00% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2018 | WLK | M | 1,998 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2018 | WLK | S | 9,351 | $111.86 | $1,046,003 | 2,122 Direct | -81.50% | Disposed | -43.2% (price as of 2026-10-02) |
| Feb. 26, 2018 | WLK | M | 3,941 | $44.42 | $175,059 | 11,473 Direct | +52.32% | Acquired | 43.0% (price as of 2026-10-02) |
| Feb. 26, 2018 | WLK | M | 3,412 | $61.86 | $211,066 | 7,532 Direct | +82.82% | Acquired | 2.7% (price as of 2026-10-02) |
| Feb. 26, 2018 | WLK | M | 1,998 | $68.09 | $136,044 | 4,120 Direct | +94.16% | Acquired | -6.7% (price as of 2026-10-02) |
| Feb. 21, 2018 | WLK | F | 444 | $106.98 | $47,499 | 2,122 Direct | -17.30% | Disposed | -40.6% (price as of 2026-10-02) |
| Feb. 20, 2018 | WLK | M | 1,762 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2018 | WLK | M | 1,762 | · | · | 2,566 Direct | +219.15% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2018 | WLK | A | 2,295 | · | · | 2,295 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2018 | WLK | A | 8,550 | · | · | 8,550 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | M | 3,408 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | M | 3,878 | · | · | 1,998 Direct | -66.00% | Disposed | (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | M | 3,940 | · | · | 8,001 Direct | -33.00% | Disposed | (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | M | 686 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | S | 800 | $93.99 | $75,192 | 804 Direct | -49.88% | Disposed | -32.4% (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | S | 11,912 | $93.99 | $1,119,609 | 1,604 Direct | -88.13% | Disposed | -32.4% (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | M | 3,408 | $63.98 | $218,044 | 13,516 Direct | +33.72% | Acquired | -0.8% (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | M | 3,878 | $68.09 | $264,053 | 10,108 Direct | +62.25% | Acquired | -6.7% (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | M | 3,940 | $44.42 | $175,015 | 6,230 Direct | +172.05% | Acquired | 43.0% (price as of 2026-10-02) |
| Nov. 13, 2017 | WLK | M | 686 | $45.70 | $31,350 | 2,290 Direct | +42.77% | Acquired | 38.9% (price as of 2026-10-02) |
| Aug. 7, 2017 | WLKP | P | 300 | $25.15 | $7,545 | 2,800 Direct | +12.00% | Acquired | -15.4% (price as of 2026-10-02) |
| Feb. 17, 2017 | WLK | A | 2,647 | · | · | 2,647 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2017 | WLK | A | 10,340 | · | · | 10,340 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2017 | WLK | F | 360 | $64.01 | $23,044 | 1,604 Direct | -18.33% | Disposed | -0.8% (price as of 2026-10-02) |
| Feb. 14, 2017 | WLK | M | 1,094 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 14, 2017 | WLK | M | 1,094 | · | · | 1,964 Direct | +125.75% | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2016 | WLK | A | 1,665 | · | · | 1,665 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2016 | WLK | A | 3,137 | · | · | 3,137 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2016 | WLK | A | 11,941 | · | · | 11,941 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2016 | WLK | F | 257 | $43.52 | $11,185 | 870 Direct | -22.80% | Disposed | 45.9% (price as of 2026-10-02) |
| Feb. 15, 2016 | WLK | M | 774 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2016 | WLK | M | 774 | · | · | 1,127 Direct | +219.26% | Acquired | (price as of 2026-10-02) |
| May 11, 2015 | WLK | M | 898 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2015 | WLK | M | 686 | · | · | 686 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2015 | WLK | S | 541 | $70.23 | $37,994 | 353 Direct | -60.51% | Disposed | -9.6% (price as of 2026-10-02) |
| May 11, 2015 | WLK | S | 1,584 | $70.25 | $111,276 | 894 Direct | -63.92% | Disposed | -9.6% (price as of 2026-10-02) |
| May 11, 2015 | WLK | M | 898 | $30.05 | $26,985 | 2,478 Direct | +56.84% | Acquired | 111.3% (price as of 2026-10-02) |
| May 11, 2015 | WLK | M | 686 | $45.70 | $31,350 | 1,580 Direct | +76.73% | Acquired | 38.9% (price as of 2026-10-02) |
| Feb. 20, 2015 | WLK | A | 1,762 | · | · | 1,762 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2015 | WLK | A | 5,876 | · | · | 5,876 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2015 | WLK | F | 342 | $66.79 | $22,842 | 894 Direct | -27.67% | Disposed | -4.9% (price as of 2026-10-02) |
| Aug. 4, 2014 | WLKP | P | 2,500 | $24.00 | $60,000 | 2,500 Direct | · | Acquired | -11.4% (price as of 2026-10-02) |
| Feb. 28, 2014 | WLK | M | 449 | · | · | 449 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 28, 2014 | WLK | M | 342 | · | · | 686 Direct | -33.27% | Disposed | (price as of 2026-10-02) |
| Feb. 28, 2014 | WLK | M | 223 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 28, 2014 | WLK | S | 1,107 | $134.70 | $149,113 | 618 Direct | -64.17% | Disposed | -5.7% (price as of 2026-10-02) |
| Feb. 28, 2014 | WLK | M | 449 | $60.10 | $26,985 | 1,725 Direct | +35.19% | Acquired | 111.3% (price as of 2026-10-02) |
| Feb. 28, 2014 | WLK | M | 342 | $91.40 | $31,259 | 1,276 Direct | +36.62% | Acquired | 38.9% (price as of 2026-10-02) |
| Feb. 28, 2014 | WLK | M | 223 | $45.83 | $10,220 | 934 Direct | +31.36% | Acquired | 177.1% (price as of 2026-10-02) |
| Feb. 19, 2014 | WLK | F | 93 | $129.00 | $11,997 | 711 Direct | -11.57% | Disposed | -1.6% (price as of 2026-10-02) |
| Feb. 14, 2014 | WLK | A | 547 | · | · | 547 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2014 | WLK | A | 1,704 | · | · | 1,704 Direct | · | Acquired | (price as of 2026-10-02) |
| March 12, 2013 | WLK | M | 520 | $20.52 | $10,670 | 1,745 Direct | +42.45% | Acquired | 518.9% (price as of 2026-10-02) |
| March 12, 2013 | WLK | M | 449 | $60.10 | $26,985 | 2,194 Direct | +25.73% | Acquired | 111.3% (price as of 2026-10-02) |
| March 12, 2013 | WLK | M | 446 | $45.83 | $20,440 | 2,640 Direct | +20.33% | Acquired | 177.1% (price as of 2026-10-02) |
| March 12, 2013 | WLK | S | 200 | $94.71 | $18,942 | 2,440 Direct | -7.58% | Disposed | 34.1% (price as of 2026-10-02) |
| March 12, 2013 | WLK | S | 800 | $94.71 | $75,768 | 1,640 Direct | -32.79% | Disposed | 34.1% (price as of 2026-10-02) |
| March 12, 2013 | WLK | S | 315 | $94.72 | $29,837 | 1,325 Direct | -19.21% | Disposed | 34.1% (price as of 2026-10-02) |
| March 12, 2013 | WLK | S | 100 | $94.76 | $9,476 | 1,225 Direct | -7.55% | Disposed | 34.0% (price as of 2026-10-02) |
| March 12, 2013 | WLK | S | 421 | $94.52 | $39,793 | 804 Direct | -34.37% | Disposed | 34.4% (price as of 2026-10-02) |
| March 12, 2013 | WLK | M | 520 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 108 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. 16, 2021 | WLK | Restricted Stock Units | Common Stock | · | · | 2,295 | Disposed |
| Feb. 14, 2021 | WLK | Restricted Stock Units | Common Stock | · | · | 1,112 | Disposed |
| Feb. 25, 2020 | WLK | Employee Option (right to buy) | Common Stock | $44.42 | Feb. 18, 2026 | 4,060 | Disposed |
| Feb. 25, 2020 | WLK | Employee Option (right to buy) | Common Stock | $65.81 | Feb. 14, 2030 | 7,861 | Disposed |
| Feb. 25, 2020 | WLK | Employee Option (right to buy) | Common Stock | $79.83 | Feb. 15, 2029 | 9,698 | Disposed |
| Feb. 25, 2020 | WLK | Employee Option (right to buy) | Common Stock | $61.86 | Feb. 17, 2027 | 6,928 | Disposed |
| Feb. 17, 2020 | WLK | Restricted Stock Units | Common Stock | · | · | 2,647 | Disposed |
| Feb. 14, 2020 | WLK | Employee Option (right to buy) | Common Stock | $65.81 | Feb. 14, 2030 | 23,822 | Acquired |
| Feb. 14, 2020 | WLK | Restricted Stock Units | Common Stock | · | · | 5,632 | Acquired |
| Feb. 14, 2020 | WLK | Restricted Stock Units | Common Stock | · | · | 1,112 | Acquired |
| Dec. 1, 2019 | WLK | Restricted Stock Units | Common Stock | · | · | 1,665 | Disposed |
| Feb. 18, 2019 | WLK | Restricted Stock Units | Common Stock | · | · | 3,137 | Disposed |
| Feb. 15, 2019 | WLK | Employee Option (right to buy) | Common Stock | $79.83 | Feb. 15, 2029 | 14,694 | Acquired |
| Feb. 15, 2019 | WLK | Restricted Stock Units | Common Stock | · | · | 3,869 | Acquired |
| Feb. 26, 2018 | WLK | Employee Option (right to buy) | Common Stock | $44.42 | Feb. 18, 2026 | 3,941 | Disposed |
| Feb. 26, 2018 | WLK | Employee Option (right to buy) | Common Stock | $61.86 | Feb. 17, 2027 | 3,412 | Disposed |
| Feb. 26, 2018 | WLK | Employee Option (right to buy) | Common Stock | $68.09 | Feb. 20, 2025 | 1,998 | Disposed |
| Feb. 20, 2018 | WLK | Restricted Stock Units | Common Stock | · | · | 1,762 | Disposed |
| Feb. 16, 2018 | WLK | Restricted Stock Units | Common Stock | · | · | 2,295 | Acquired |
| Feb. 16, 2018 | WLK | Employee Option (right to buy) | Common Stock | $107.75 | Feb. 16, 2028 | 8,550 | Acquired |
| Nov. 13, 2017 | WLK | Employee Option (right to buy) | Common Stock | $63.98 | Feb. 14, 2024 | 3,408 | Disposed |
| Nov. 13, 2017 | WLK | Employee Option (right to buy) | Common Stock | $68.09 | Feb. 20, 2025 | 3,878 | Disposed |
| Nov. 13, 2017 | WLK | Employee Option (right to buy) | Common Stock | $44.42 | Feb. 18, 2026 | 3,940 | Disposed |
| Nov. 13, 2017 | WLK | Employee Option (right to buy) | Common Stock | $45.70 | Feb. 15, 2023 | 686 | Disposed |
| Feb. 17, 2017 | WLK | Restricted Stock Units | Common Stock | · | · | 2,647 | Acquired |
| Feb. 17, 2017 | WLK | Employee Option (right to buy) | Common Stock | $61.86 | Feb. 17, 2027 | 10,340 | Acquired |
| Feb. 14, 2017 | WLK | Restricted Stock Units | Common Stock | · | · | 1,094 | Disposed |
| Dec. 1, 2016 | WLK | Restricted Stock Units | Common Stock | · | · | 1,665 | Acquired |
| Feb. 18, 2016 | WLK | Restricted Stock Units | Common Stock | · | · | 3,137 | Acquired |
| Feb. 18, 2016 | WLK | Employee Option (right to buy) | Common Stock | $44.42 | Feb. 18, 2026 | 11,941 | Acquired |
| Feb. 15, 2016 | WLK | Restricted Stock Units | Common Stock | · | · | 774 | Disposed |
| May 11, 2015 | WLK | Employee Option (right to buy) | Common Stock | $30.05 | Feb. 17, 2022 | 898 | Disposed |
| May 11, 2015 | WLK | Employee Option (right to buy) | Common Stock | $45.70 | Feb. 15, 2023 | 686 | Disposed |
| Feb. 20, 2015 | WLK | Restricted Stock units | Common Stock | · | · | 1,762 | Acquired |
| Feb. 20, 2015 | WLK | Employee Option (right to buy) | Common Stock | $68.09 | Feb. 20, 2025 | 5,876 | Acquired |
| Feb. 28, 2014 | WLK | Employee Option (right to buy) | Common Stock | $60.10 | Feb. 17, 2022 | 449 | Disposed |
| Feb. 28, 2014 | WLK | Employee Option (right to buy) | Common Stock | $91.40 | Feb. 15, 2023 | 342 | Disposed |
| Feb. 28, 2014 | WLK | Employee Option (right to buy) | Common Stock | $45.83 | Feb. 18, 2021 | 223 | Disposed |
| Feb. 14, 2014 | WLK | Restricted Stock Units | Common Stock | · | · | 547 | Acquired |
| Feb. 14, 2014 | WLK | Employee Option (right to buy) | Common Stock | $127.96 | Feb. 24, 2024 | 1,704 | Acquired |
| March 12, 2013 | WLK | Employee Option (right to buy) | Common Stock | $20.52 | Feb. 26, 2020 | 520 | Disposed |
| March 12, 2013 | WLK | Employee Option (right to buy) | Common Stock | $60.10 | Feb. 17, 2022 | 449 | Disposed |
| March 12, 2013 | WLK | Employee Option (right to buy) | Common Stock | $45.83 | Feb. 18, 2021 | 446 | Disposed |
| Feb. 15, 2013 | WLK | Restricted Stock Units | Common Stock | · | · | 387 | Acquired |
| Feb. 15, 2013 | WLK | Employee Option (right to buy) | Common Stock | $91.40 | Feb. 15, 2023 | 1,028 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 8, 2012 | WLK | Employee Option (right to buy) | 520 | Direct |
| June 8, 2012 | WLK | Employee Option (right to buy) | 669 | Direct |
| June 8, 2012 | WLK | Employee Option (right to buy) | 1,347 | Direct |
| June 8, 2012 | WLK | Employee Option (right to buy) | 520 | Direct |
| June 8, 2012 | WLK | Employee Option (right to buy) | 669 | Direct |
| June 8, 2012 | WLK | Employee Option (right to buy) | 1,347 | Direct |