16 filings
4
Welch John R.
23 May 24
CLEAN HARBORS / John R. Welch ownership change
8:58am
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
a14y9gpq
26 May 22
CLEAN HARBORS / John R. Welch ownership change
1:38pm
4
o06d8y2os18sr2bod
5 Jan 22
CLEAN HARBORS / John R. Welch ownership change
9:33am
4
ig63trb69h4i5dw1o2ox
9 Aug 21
CLEAN HARBORS / John R. Welch ownership change
10:45am
4
9wcqdnrmxlljz5phymd
7 Jun 21
CLEAN HARBORS / John R. Welch ownership change
4:20pm
4
lp9ecx31mi79f3o106s
5 Jun 20
CLEAN HARBORS / John R. Welch ownership change
3:16pm
5
mrq n2botbhl
14 Feb 20
CLEAN HARBORS / John R. Welch ownership change
12:51pm
4
6amw 0v88
7 Jun 19
CLEAN HARBORS / John R. Welch ownership change
1:10pm
4
sji ejyxkj
7 Jun 18
CLEAN HARBORS / John R. Welch ownership change
3:33pm
4
xa2 gwyd4k
8 Jun 17
CLEAN HARBORS / John R. Welch ownership change
12:00am
4
qsqp pvyc667y3wz
10 Jun 16
CLEAN HARBORS / John R. Welch ownership change
12:00am
4
0zw rvun4
12 Jun 15
CLEAN HARBORS / John R. Welch ownership change
12:00am
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