SEC CIK 1638948

Mattina Michael J.

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
WLKview stock →6,5062017-02-15

Position History — WLK

Reported shares owned immediately after each Form 4 transaction, over time.

08,11216,22524,3372015-042016-022016-022016-082016-112016-112016-112016-112017-022017-02

Recent Filings — WLK

DateActivitySharesPriceOwned After
2017-02-15Tax withholding217$64.016,506
2017-02-14Option exercise (derivative)660$0.000
2017-02-14Option exercise660—6,723
2016-11-15Option exercise (derivative)15,358$0.000
2016-11-15Option exercise1,582$45.7024,337
2016-11-15Open-market sale18,274$53.786,063
2016-11-15Option exercise15,358$15.8121,421
2016-11-15Option exercise1,334$30.0522,755
2016-08-24Tax withholding2,443$51.936,063
2016-02-18Grant / award (derivative)2,296$0.002,296
2016-02-18Grant / award (derivative)8,741$0.008,741
2016-02-17Tax withholding296$43.528,506
2016-02-15Option exercise (derivative)892$0.000
2016-02-15Option exercise892—8,802
2015-04-01———7,910

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.