Michael Winkler

(Mr. Michael Winkler)

Currently holds a position at U.S. Silica Holdings Inc

Positions

Position Company Period
Chief Operating Officer, Executive Vice President U.S. Silica Holdings Inc Jan. 1, 2017 -
Chief Operating Officer, Senior Vice President U.S. Silica Holdings Inc Jan. 1, 2016 - Jan. 1, 2017
Chief Operating Officer, Vice President U.S. Silica Holdings Inc Dec. 18, 2013 - Jan. 1, 2016
Vice President - Operations U.S. Silica Holdings Inc June 1, 2011 - Dec. 18, 2013
Michael Winkler's trades of U.S. Silica Holdings Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2022-08-19 2022-08-18
S Sale
181,219 -45.4%
15.64
USD 2,834,265 		181,219 -45.4% 15.64 USD 2,834,265
2020-12-10 2020-12-10
S Sale
6,000 -2.1%
6.55
USD 39,300 		6,000 -2.1% 6.55 USD 39,300
2020-03-23 2020-03-23
B Purchase
50,000 +22.3%
1.00
USD 50,000 		50,000 +22.3% 1.00 USD 50,000
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