Michael J Graff

CIK 1457009 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 12, 2024 · Latest: Aug. 12, 2024

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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

No open-market trades on record; showing all filings.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 14, 2026 WLK A 2,184 2,184 Direct Acquired (price as of 2026-08-19)
Aug. 8, 2026 WLK M 2,168 23,310 Direct +10.25% Acquired (price as of 2026-08-19)
Aug. 8, 2026 WLK M 2,168 2,168 Direct -50.00% Disposed (price as of 2026-08-19)
Aug. 11, 2024 WLK M 1,136 0 Direct -100.00% Disposed (price as of 2026-08-19)
Aug. 11, 2024 WLK M 1,136 20,014 Direct +6.02% Acquired (price as of 2026-08-19)
Aug. 9, 2024 WLK A 1,128 1,128 Direct Acquired (price as of 2026-08-19)
Aug. 12, 2023 WLK M 1,446 0 Direct -100.00% Disposed (price as of 2026-08-19)
Aug. 12, 2023 WLK M 1,446 18,878 Direct +8.30% Acquired (price as of 2026-08-19)
Aug. 11, 2023 WLK A 1,136 1,136 Direct Acquired (price as of 2026-08-19)
May 18, 2018 WLK A 103 103 Direct Acquired (price as of 2026-08-19)
Aug. 22, 2017 WLK M 357 0 Direct -100.00% Disposed (price as of 2026-08-19)
Aug. 22, 2017 WLK M 357 5,040 Direct +7.62% Acquired (price as of 2026-08-19)
Aug. 21, 2017 WLK M 603 603 Direct -50.00% Disposed (price as of 2026-08-19)
Aug. 21, 2017 WLK M 603 4,683 Direct +14.78% Acquired (price as of 2026-08-19)
Aug. 18, 2017 WLK A 1,721 1,721 Direct Acquired (price as of 2026-08-19)
Aug. 17, 2017 WLK M 1,003 2,006 Direct -33.33% Disposed (price as of 2026-08-19)
Aug. 17, 2017 WLK M 1,003 4,080 Direct +32.60% Acquired (price as of 2026-08-19)
Aug. 23, 2016 WLK M 588 0 Direct -100.00% Disposed (price as of 2026-08-19)
Aug. 23, 2016 WLK M 588 3,077 Direct +23.62% Acquired (price as of 2026-08-19)
Aug. 22, 2016 WLK M 357 357 Direct -50.00% Disposed (price as of 2026-08-19)
Aug. 22, 2016 WLK M 603 1,206 Direct -33.33% Disposed (price as of 2026-08-19)
Aug. 22, 2016 WLK M 603 2,132 Direct +39.44% Acquired (price as of 2026-08-19)
Aug. 22, 2016 WLK M 357 2,489 Direct +16.74% Acquired (price as of 2026-08-19)
Aug. 17, 2016 WLK A 3,009 3,009 Direct Acquired (price as of 2026-08-19)
Aug. 23, 2015 WLK M 586 588 Direct -49.91% Disposed (price as of 2026-08-19)
Aug. 23, 2015 WLK M 586 1,529 Direct +62.14% Acquired (price as of 2026-08-19)
Aug. 22, 2015 WLK M 357 714 Direct -33.33% Disposed (price as of 2026-08-19)
Aug. 22, 2015 WLK M 357 943 Direct +60.92% Acquired (price as of 2026-08-19)
Aug. 21, 2015 WLK A 1,809 1,809 Direct Acquired (price as of 2026-08-19)
Aug. 23, 2014 WLK M 586 1,174 Direct -33.30% Disposed (price as of 2026-08-19)
Aug. 23, 2014 WLK M 586 586 Direct Acquired (price as of 2026-08-19)
Aug. 22, 2014 WLK A 1,071 1,071 Direct Acquired (price as of 2026-08-19)
Aug. 23, 2013 WLK A 880 880 Direct Acquired (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
Aug. 14, 2026 WLK Restricted Stock Units Common Stock (2,184) 2,184 Acquired
Aug. 8, 2026 WLK Restricted Stock Units Common Stock (2,168) 2,168 Disposed
Aug. 11, 2024 WLK Restricted Stock Units Common Stock (1,136) 1,136 Disposed
Aug. 9, 2024 WLK Restricted Stock Units Common Stock (1,128) 1,128 Acquired
Aug. 12, 2023 WLK Restricted Stock Units Common Stock (1,446) 1,446 Disposed
Aug. 11, 2023 WLK Restricted Stock Units Common Stock (1,136) 1,136 Acquired
May 18, 2018 WLK Restricted Stock Units Common Stock (103) 103 Acquired
Aug. 22, 2017 WLK Restricted Stock Units Common Stock (357) 357 Disposed
Aug. 21, 2017 WLK Restricted Stock Units Common Stock (603) 603 Disposed
Aug. 18, 2017 WLK Restricted Stock Units Common Stock (1,721) 1,721 Acquired
Aug. 17, 2017 WLK Restricted Stock Units Common Stock (1,003) 1,003 Disposed
Aug. 23, 2016 WLK Restricted Stock Units Common Stock (588) 588 Disposed
Aug. 22, 2016 WLK Restricted Stock Units Common Stock (357) 357 Disposed
Aug. 22, 2016 WLK Restricted Stock Units Common Stock (603) 603 Disposed
Aug. 17, 2016 WLK Restricted Stock Units Common Stock (3,009) Aug. 17, 2026 3,009 Acquired
Aug. 23, 2015 WLK Restricted Stock Units Common Stock (586) 586 Disposed
Aug. 22, 2015 WLK Restricted Stock Units Common Stock (357) 357 Disposed
Aug. 21, 2015 WLK Restricted Stock Units Common Stock (1,809) Aug. 21, 2025 1,809 Acquired
Aug. 23, 2014 WLK Restricted Stock Units Common Stock (586) 586 Disposed
Aug. 22, 2014 WLK Restricted Stock Units Common Stock (1,071) Aug. 22, 2024 1,071 Acquired
Aug. 23, 2013 WLK Restricted Stock Units Common Stock (880) 880 Acquired

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