35 filings
4
Winkler Michael L
14 Feb 23
U.S. SILICA / MICHAEL L WINKLER ownership change
5:05pm
4
Winkler Michael L
13 Feb 23
U.S. SILICA / MICHAEL L WINKLER ownership change
4:38pm
4
Winkler Michael L
8 Feb 23
U.S. SILICA / MICHAEL L WINKLER ownership change
4:35pm
4
Winkler Michael L
19 Aug 22
U.S. SILICA / MICHAEL L WINKLER ownership change
4:30pm
4
Winkler Michael L
14 Feb 22
U.S. SILICA / MICHAEL L WINKLER ownership change
7:04pm
4
121qmguprveyk
22 Dec 21
U.S. SILICA / MICHAEL L WINKLER ownership change
8:54pm
4
27y 3o1hsaeinasud3
2 Apr 21
U.S. SILICA / MICHAEL L WINKLER ownership change
5:52pm
4
cf2n9mslu i13
17 Feb 21
U.S. SILICA / MICHAEL L WINKLER ownership change
11:34am
4
gjiy1
9 Feb 21
U.S. SILICA / MICHAEL L WINKLER ownership change
9:00pm
4
bzc jnno1mfk95uko
10 Dec 20
U.S. SILICA / MICHAEL L WINKLER ownership change
4:14pm
4
9l1rvr1fqy
3 Apr 20
U.S. SILICA / MICHAEL L WINKLER ownership change
5:45pm
4
q1lak 7wzd0h
23 Mar 20
U.S. SILICA / MICHAEL L WINKLER ownership change
5:41pm
4
3i1718u
14 Feb 20
U.S. SILICA / MICHAEL L WINKLER ownership change
1:40pm
4
cm5o2nph7d3vwwh4eh48
7 Feb 20
U.S. SILICA / MICHAEL L WINKLER ownership change
5:52pm
4/A
4gi2s8nudxc
10 Sep 19
U.S. SILICA / MICHAEL L WINKLER ownership change
5:15pm
4
rrqfugiutbrmzbx5
2 Apr 19
U.S. SILICA / MICHAEL L WINKLER ownership change
7:39pm
4
gpw 5z4c2504
14 Feb 19
U.S. SILICA / MICHAEL L WINKLER ownership change
9:13pm
4
rf46aw
29 Oct 18
U.S. SILICA / MICHAEL L WINKLER ownership change
5:29pm
4
mbkamvcv4d at
5 Jun 18
U.S. SILICA / MICHAEL L WINKLER ownership change
4:05pm
4
3y935bunlo
14 May 18
U.S. SILICA / MICHAEL L WINKLER ownership change
4:19pm