Michael L. Winkler

Companies

• U.S. SILICA HOLDINGS, INC.Chief operating officer Mar 20, 2014 to Feb 14, 2023¹
• U.S. SILICA HOLDINGS, INC.Vice President of Operations Jan 31, 2012 to Mar 18, 2014²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• USU.S. SILICA HOLDINGS, INC.332,540 shares³Feb 12, 2023

As of each latest filing. The line shows shares held over time.

Recent filings

• Feb 12, 2023Shares withheld for tax 6,708 shares at $11.97 of U.S. SILICA HOLDINGS, INC.³
• Feb 10, 2023Shares withheld for tax 6,119 shares at $11.97 of U.S. SILICA HOLDINGS, INC.³
• Feb 9, 2023Shares withheld for tax 89,878 shares at $11.83 of U.S. SILICA HOLDINGS, INC.⁴
• Feb 9, 2023Granted 230,879 shares of U.S. SILICA HOLDINGS, INC.⁴
• Feb 6, 2023Shares withheld for tax 13,530 shares at $11.83 of U.S. SILICA HOLDINGS, INC.⁵
• Aug 18, 2022Sold 181,219 shares at $15.64 of U.S. SILICA HOLDINGS, INC.⁶
• Feb 12, 2022Shares withheld for tax 13,063 shares at $10.13 of U.S. SILICA HOLDINGS, INC.⁷
• Feb 12, 2022Granted 45,752 shares of U.S. SILICA HOLDINGS, INC.⁷
• Feb 10, 2022Granted 46,644 shares of U.S. SILICA HOLDINGS, INC.⁷
• Dec 20, 2021Shares withheld for tax 45,115 shares at $9.13 of U.S. SILICA HOLDINGS, INC.⁸
• Dec 20, 2021Granted 20,694 shares of U.S. SILICA HOLDINGS, INC.⁸
• Dec 20, 2021Granted 26,852 shares of U.S. SILICA HOLDINGS, INC.⁸