Michael L. Winkler

Insider Reports History

Entity
Individual
Location
8490 Progress Drive, Suite 300, Frederick, MD
Signature
/s/ Stacy Russell, as Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Michael L. Winkler:

Stock Role Class Num Shares Value Price $ Report Date Ownership
U.S. SILICA HOLDINGS, INC. EVP & Chief Operating Officer Common Stock 333K $3.76M $11.31 Feb 12, 2023 Direct

Insider Reports Filed by Michael L. Winkler

Symbol Company Period Transactions Value $ Form Type Date Filed Role
SLCA U.S. SILICA HOLDINGS, INC. Feb 10, 2023 2 -$154K 4 Feb 14, 2023 EVP & Chief Operating Officer
SLCA U.S. SILICA HOLDINGS, INC. Feb 9, 2023 2 -$1.06M 4 Feb 13, 2023 EVP & Chief Operating Officer
SLCA U.S. SILICA HOLDINGS, INC. Feb 6, 2023 1 -$160K 4 Feb 8, 2023 EVP & Chief Operating Officer
SLCA U.S. SILICA HOLDINGS, INC. Aug 18, 2022 1 -$2.83M 4 Aug 19, 2022 EVP & Chief Operating Officer
SLCA U.S. SILICA HOLDINGS, INC. Feb 10, 2022 3 -$132K 4 Feb 14, 2022 EVP & Chief Operating Officer
SLCA U.S. SILICA HOLDINGS, INC. Dec 20, 2021 3 -$412K 4 Dec 22, 2021 EVP & Chief Operating Officer