• $3.8M
    Market Cap
  • 3.88%
    1-Year Change
  • Pollution & Treatment Controls
    Industry
  • 1 Month
    +0.42%
    Low Price$1.12
    High Price$1.29
  • 3 Months
    -12.04%
    Low Price$1.12
    High Price$1.38
  • 1 Year
    +3.43%
    Low Price$1.03
    High Price$1.58
Date
Open
High
Low
Close
Change (%)
Volume
06/02/2026
1.21
1.21
1.20
1.21
-2.82%
898
06/01/2026
1.24
1.24
1.24
1.24
+1.64%
629
05/29/2026
1.24
1.24
1.22
1.22
-5.43%
525
05/28/2026
1.20
1.36
1.18
1.29
+11.21%
132,888
05/27/2026
1.24
1.24
1.16
1.16
-0.85%
979
05/26/2026
1.17
1.23
1.17
1.17
-4.10%
1,088
05/22/2026
1.22
1.24
1.22
1.22
+0.83%
1,159
05/21/2026
1.16
1.21
1.15
1.21
+4.31%
7,802
05/20/2026
1.19
1.19
1.14
1.16
+1.75%
2,353
05/19/2026
1.14
1.16
1.14
1.14
-1.72%
1,363
05/18/2026
1.20
1.20
1.16
1.16
-3.33%
2,293
05/15/2026
1.25
1.25
1.15
1.20
+3.44%
4,596
05/14/2026
1.16
1.16
1.16
1.16
-1.69%
955
05/13/2026
1.24
1.24
1.18
1.18
+2.62%
11,166
05/12/2026
1.15
1.16
1.15
1.15
-4.56%
2,421
05/11/2026
1.16
1.25
1.15
1.21
+2.99%
1,913
05/08/2026
1.20
1.24
1.16
1.17
-6.40%
8,108
05/07/2026
1.25
1.25
1.25
1.25
+2.46%
984
05/06/2026
1.18
1.24
1.15
1.22
+8.93%
11,877
05/05/2026
1.22
1.22
1.12
1.12
-6.67%
28,010
05/04/2026
1.22
1.22
1.19
1.20
+0.84%
3,895
05/01/2026
1.22
1.30
1.19
1.19
-4.93%
21,491
04/30/2026
1.25
1.25
1.25
1.25
+2.59%
8,713
04/30/2026
$0.02 Earnings
04/29/2026
1.21
1.22
1.21
1.22
-3.55%
1,065
04/27/2026
1.27
1.27
1.27
1.27
+1.20%
311
04/23/2026
1.23
1.26
1.23
1.25
-1.57%
1,091
04/22/2026
1.27
1.27
1.25
1.27
+0.40%
1,006
04/21/2026
1.24
1.27
1.24
1.27
+1.20%
573
04/20/2026
1.25
1.25
1.25
1.25
+1.63%
2,419
04/17/2026
1.30
1.30
1.23
1.23
-3.70%
328
04/16/2026
1.22
1.28
1.22
1.28
-0.21%
9,671
04/14/2026
1.25
1.34
1.25
1.28
+2.40%
10,203
04/13/2026
1.25
1.25
1.25
1.25
+1.21%
875
04/10/2026
1.25
1.25
1.24
1.24
-1.20%
623
04/08/2026
1.25
1.25
1.25
1.25
+2.46%
645
04/07/2026
1.20
1.24
1.20
1.22
+2.52%
1,314
04/06/2026
1.20
1.20
1.19
1.19
-2.46%
1,133
04/01/2026
1.22
1.22
1.22
1.22
+4.24%
500
03/31/2026
1.14
1.17
1.14
1.17
-4.07%
2,011
03/27/2026
1.17
1.25
1.14
1.22
+4.27%
14,264
03/26/2026
1.17
1.17
1.17
1.17
0.00%
1,264
03/25/2026
1.17
1.19
1.16
1.17
0.00%
2,097
03/24/2026
1.14
1.19
1.14
1.17
+1.74%
4,177
03/23/2026
1.12
1.19
1.12
1.15
-1.71%
2,139
03/20/2026
1.17
1.17
1.17
1.17
-2.49%
258
03/19/2026
1.20
1.26
1.14
1.20
-3.23%
14,363
03/17/2026
1.21
1.24
1.21
1.24
-0.40%
2,581
03/16/2026
1.25
1.25
1.25
1.25
-4.19%
472
03/13/2026
1.30
1.30
1.22
1.30
+1.36%
10,978
03/12/2026
1.27
1.30
1.27
1.28
-0.23%
2,561
03/11/2026
1.26
1.29
1.24
1.29
+3.63%
1,318
03/10/2026
1.27
1.30
1.24
1.24
-6.06%
15,043
03/09/2026
1.33
1.38
1.26
1.32
-4.35%
6,905
03/06/2026
1.31
1.38
1.28
1.38
+0.73%
9,981
03/05/2026
1.33
1.39
1.31
1.37
-2.14%
9,637
03/04/2026
1.30
1.40
1.29
1.40
+6.87%
12,760
03/03/2026
1.22
1.40
1.22
1.31
+8.26%
44,983
02/27/2026
1.21
1.21
1.21
1.21
+0.83%
399
02/26/2026
1.21
1.21
1.18
1.20
+0.84%
2,980
02/25/2026
1.19
1.21
1.19
1.19
-4.03%
1,326
02/24/2026
1.23
1.24
1.23
1.24
+6.90%
565
02/20/2026
1.16
1.16
1.16
1.16
-2.60%
586
02/19/2026
1.24
1.24
1.19
1.19
-1.57%
2,875
02/18/2026
1.14
1.24
1.14
1.21
+5.22%
10,840
02/17/2026
1.22
1.23
1.15
1.15
-4.17%
1,028
02/13/2026
1.23
1.23
1.15
1.20
-0.82%
3,697
02/12/2026
1.21
1.21
1.21
1.21
+1.67%
1,287
02/11/2026
1.20
1.23
1.18
1.19
+3.48%
4,829
02/10/2026
1.22
1.22
1.15
1.15
-3.36%
735
02/09/2026
1.18
1.19
1.10
1.19
-0.83%
17,978
02/06/2026
1.26
1.26
1.20
1.20
0.00%
961
02/05/2026
1.25
1.34
1.20
1.20
-5.70%
7,947
02/04/2026
1.24
1.27
1.24
1.27
-0.59%
1,339
02/03/2026
1.27
1.29
1.26
1.28
+0.79%
7,116
02/02/2026
1.27
1.27
1.27
1.27
-0.78%
243
01/30/2026
1.29
1.29
1.27
1.28
-1.83%
4,559
01/29/2026
1.26
1.33
1.25
1.30
+1.08%
5,071
01/28/2026
1.26
1.34
1.26
1.29
-2.27%
6,949
01/27/2026
1.25
1.32
1.25
1.32
+2.33%
16,899
01/26/2026
1.28
1.30
1.25
1.29
-0.77%
6,578
01/23/2026
1.25
1.30
1.25
1.30
+0.44%
1,499
01/22/2026
1.27
1.30
1.27
1.29
+0.94%
4,539
01/21/2026
1.27
1.29
1.26
1.28
+1.77%
4,565
01/20/2026
1.25
1.29
1.24
1.26
+0.80%
4,719
01/16/2026
1.19
1.25
1.17
1.25
+5.04%
6,334
01/15/2026
1.19
1.20
1.19
1.19
-2.23%
2,285
01/14/2026
1.22
1.23
1.18
1.22
+1.24%
2,552
01/13/2026
1.21
1.21
1.16
1.20
+3.19%
3,134
01/12/2026
1.22
1.23
1.16
1.17
-2.10%
3,437
01/09/2026
1.23
1.28
1.19
1.19
-4.79%
14,077
01/08/2026
1.20
1.25
1.16
1.25
+2.45%
2,296
01/07/2026
1.15
1.22
1.13
1.22
+1.68%
7,121
01/06/2026
1.20
1.23
1.15
1.20
-2.45%
1,668
01/05/2026
1.10
1.26
1.10
1.23
+2.50%
12,027
01/02/2026
1.25
1.25
1.15
1.20
0.00%
2,252
12/31/2025
1.20
1.25
1.15
1.20
-2.44%
2,261
12/30/2025
1.23
1.26
1.20
1.23
0.00%
4,781
12/30/2025
-$0.02 Earnings
12/29/2025
1.21
1.24
1.21
1.23
-1.60%
2,800