15 filings
4
CLH
Clean Harbors, Inc.
27 Feb 24
CLEAN HARBORS / John R. Welch ownership change
8:35am
4
Welch John R.
5 Jun 23
CLEAN HARBORS / John R. Welch ownership change
2:54pm
144
Welch John R.
2 Jun 23
Notice of proposed sale of securities
6:04pm
4
CLH
Clean Harbors, Inc.
25 May 23
CLEAN HARBORS / John R. Welch ownership change
11:31am
4
CLH
Clean Harbors, Inc.
26 May 22
CLEAN HARBORS / John R. Welch ownership change
1:38pm
4
ua8 3n4p9wrdbdvi1
5 Jan 22
CLEAN HARBORS / John R. Welch ownership change
9:33am
4
a5hchh
9 Aug 21
CLEAN HARBORS / John R. Welch ownership change
10:45am
4
r4jqhtnnec
7 Jun 21
CLEAN HARBORS / John R. Welch ownership change
4:20pm
4
rjtxhxa kvp
5 Jun 20
CLEAN HARBORS / John R. Welch ownership change
3:16pm
5
wfcmz0lsei899e6gh
14 Feb 20
CLEAN HARBORS / John R. Welch ownership change
12:51pm
4
077zo c4fykdd1v
7 Jun 19
CLEAN HARBORS / John R. Welch ownership change
1:10pm
4
wdyt5
7 Jun 18
CLEAN HARBORS / John R. Welch ownership change
3:33pm
4
jukfrp8
8 Jun 17
CLEAN HARBORS / John R. Welch ownership change
12:00am
4
y169v610sf
10 Jun 16
CLEAN HARBORS / John R. Welch ownership change
12:00am
4
ucpfey0 6k7zgj
12 Jun 15
CLEAN HARBORS / John R. Welch ownership change
12:00am
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