|
2026-05-20 |
2026-05-19 |
B
Purchase
|
Chief Executive Officer
Executive Director
|
37,332
-42.6%
402.53
US$1,994,490
|
37,332
-42.6%
|
402.53
|
US$1,994,490
|
|
|
2026-03-19 |
2026-03-19 |
B
Purchase
|
Chief Executive Officer
Executive Director
|
20,504
+29.2%
264.86
US$3,371,295
|
20,504
+29.2%
|
264.86
|
US$3,371,295
|
|
|
2025-12-02 |
2025-12-01 |
B
Purchase
|
Chief Executive Officer
Executive Director
|
87,112
+33.1%
170.11
US$708,573
|
87,112
+33.1%
|
170.11
|
US$708,573
|
|
|
2025-11-19 |
2025-11-19 |
B
Purchase
|
Non-Executive Director
|
3,000
+4.9%
2.52
US$7,560
|
3,000
+4.9%
|
2.52
|
US$7,560
|
|
|
2025-11-26 |
2025-11-17 |
B
Purchase
|
Large shareholder
|
93,000
+3.1%
2.67
US$248,310
|
93,000
+3.1%
|
2.67
|
US$248,310
|
|
|
2025-11-18 |
2025-11-17 |
B
Purchase
|
Non-Executive Director
|
10,000
+19.6%
2.68
US$26,800
|
10,000
+19.6%
|
2.68
|
US$26,800
|
|
|
2025-11-18 |
2025-11-17 |
B
Purchase
|
Non-Executive Director
|
40,000
+22.0%
2.65
US$106,000
|
40,000
+22.0%
|
2.65
|
US$106,000
|
|
|
2025-03-26 |
2025-03-25 |
B
Purchase
|
Non-Executive Director
|
1,380
+1.3%
2.16
US$2,981
|
1,380
+1.3%
|
2.16
|
US$2,981
|
|
|
2025-03-26 |
2025-03-24 |
B
Purchase
|
Non-Executive Director
|
300
+0.3%
2.27
US$681
|
300
+0.3%
|
2.27
|
US$681
|
|
|
2025-03-26 |
2025-03-24 |
B
Purchase
|
Non-Executive Director
|
720
+0.7%
2.26
US$1,624
|
720
+0.7%
|
2.26
|
US$1,624
|
|
|
2025-03-26 |
2025-03-24 |
B
Purchase
|
Non-Executive Director
|
1,380
+1.3%
2.22
US$3,058
|
1,380
+1.3%
|
2.22
|
US$3,058
|
|
|
2023-09-20 |
2023-09-13 |
B
Purchase
|
Non-Executive Director
|
3,000
+82.4%
3.12
US$9,360
|
3,000
+82.4%
|
3.12
|
US$9,360
|
|
|
2023-07-03 |
2023-06-29 |
B
Purchase
|
Non-Executive Director
|
7,399
+18.6%
2.99
US$22,123
|
7,399
+18.6%
|
2.99
|
US$22,123
|
|
|
2023-07-03 |
2023-06-28 |
B
Purchase
|
Non-Executive Director
|
918
+2.4%
2.85
US$2,616
|
918
+2.4%
|
2.85
|
US$2,616
|
|
|
2023-06-26 |
2023-06-23 |
B
Purchase
|
Non-Executive Director
|
2,000
+5.4%
2.94
US$5,880
|
2,000
+5.4%
|
2.94
|
US$5,880
|
|
|
2023-06-26 |
2023-06-22 |
B
Purchase
|
Non-Executive Director
|
5,000
+15.7%
2.94
US$14,700
|
5,000
+15.7%
|
2.94
|
US$14,700
|
|
|
2023-05-22 |
2023-05-19 |
B
Purchase
|
Non-Executive Director
|
4,805
+17.8%
3.07
US$14,751
|
4,805
+17.8%
|
3.07
|
US$14,751
|
|
|
2023-05-22 |
2023-05-18 |
B
Purchase
|
Non-Executive Director
|
5,236
+24.0%
2.76
US$14,451
|
5,236
+24.0%
|
2.76
|
US$14,451
|
|
|
2023-04-07 |
2023-04-05 |
B
Purchase
|
Non-Executive Director
|
3,640
+inf%
2.74
US$9,980
|
3,640
+inf%
|
2.74
|
US$9,980
|
|
|
2023-03-29 |
2023-03-29 |
B
Purchase
|
President,Air&Liq. Proc. Group
Officer
|
4,100
+16.2%
2.45
US$10,045
|
4,100
+16.2%
|
2.45
|
US$10,045
|
|
|
2023-03-24 |
2023-03-23 |
B
Purchase
|
Non-Executive Director
|
18,182
+83.3%
2.29
US$41,666
|
18,182
+83.3%
|
2.29
|
US$41,666
|
|
|
2023-03-24 |
2023-03-23 |
B
Purchase
|
V.P., CFO & Treasurer
Officer
|
6,567
+5.5%
2.29
US$15,068
|
6,567
+5.5%
|
2.29
|
US$15,068
|
|
|
2022-11-23 |
2022-11-21 |
B
Purchase
|
Large shareholder
|
551,604
+22.2%
2.50
US$1,379,010
|
551,604
+22.2%
|
2.50
|
US$1,379,010
|
|
|
2021-06-02 |
2021-06-01 |
S
Sale
|
Non-Executive Director
|
3,790
-7.2%
7.10
US$26,927
|
3,790
-7.2%
|
7.10
|
US$26,927
|
|
|
2021-06-02 |
2021-05-28 |
S
Sale
|
Non-Executive Director
|
5,211
-9.0%
6.94
US$36,153
|
5,211
-9.0%
|
6.94
|
US$36,153
|
|
|
2021-05-28 |
2021-05-27 |
S
Sale
|
Non-Executive Director
|
3,717
-6.0%
6.80
US$25,290
|
3,717
-6.0%
|
6.80
|
US$25,290
|
|
|
2021-05-28 |
2021-05-26 |
S
Sale
|
Non-Executive Director
|
1,000
-1.6%
6.73
US$6,732
|
1,000
-1.6%
|
6.73
|
US$6,732
|
|
|
2021-05-17 |
2021-05-17 |
B
Purchase
|
Chief Executive Officer
Executive Director
|
10,000
+6.3%
6.46
US$64,560
|
10,000
+6.3%
|
6.46
|
US$64,560
|
|
|
2021-05-14 |
2021-05-13 |
B
Purchase
|
President of Union Electric
Officer
|
6,000
+13.2%
5.67
US$34,048
|
6,000
+13.2%
|
5.67
|
US$34,048
|
|
|
2020-10-01 |
2020-09-30 |
B
Purchase
|
Member of 10% owner group
|
4,303
+1.6%
3.57
US$15,350
|
4,303
+1.6%
|
3.57
|
US$15,350
|
|
|
2020-10-01 |
2020-09-29 |
B
Purchase
|
Member of 10% owner group
|
41,400
+17.7%
3.53
US$146,283
|
41,400
+17.7%
|
3.53
|
US$146,283
|
|
|
2020-08-13 |
2020-08-11 |
S
Sale
|
Non-Executive Director
|
3,000
-4.7%
3.13
US$9,396
|
3,000
-4.7%
|
3.13
|
US$9,396
|
|
|
2020-08-13 |
2020-08-11 |
B
Purchase
|
Non-Executive Director
|
5,000
+25.0%
3.16
US$15,822
|
5,000
+25.0%
|
3.16
|
US$15,822
|
|
|
2020-08-13 |
2020-08-11 |
B
Purchase
|
Non-Executive Director
|
3,000
+4.9%
3.16
US$9,471
|
3,000
+4.9%
|
3.16
|
US$9,471
|
|
|
2020-03-17 |
2020-03-17 |
B
Purchase
|
Chief Executive Officer
Executive Director
|
2,100
+3.6%
2.28
US$4,782
|
2,100
+3.6%
|
2.28
|
US$4,782
|
|
|
2019-12-31 |
2019-12-30 |
B
Purchase
|
KENNY TERRENCE W
President,Air&Liq. Proc. Group
Officer
|
2,500
+8.6%
2.90
US$7,240
|
2,500
+8.6%
|
2.90
|
US$7,240
|
|
|
2019-12-20 |
2019-12-19 |
S
Sale
|
PFORZHEIMER CARL H II
Non-Executive Director
|
18,738
-48.4%
3.09
US$57,831
|
18,738
-48.4%
|
3.09
|
US$57,831
|
|
|
2019-12-20 |
2019-12-18 |
S
Sale
|
PFORZHEIMER CARL H II
Non-Executive Director
|
599
-1.5%
3.05
US$1,827
|
599
-1.5%
|
3.05
|
US$1,827
|
|
|
2019-12-13 |
2019-12-13 |
B
Purchase
|
GERMAN MICHAEL I
Non-Executive Director
|
5,000
+14.2%
3.01
US$15,031
|
5,000
+14.2%
|
3.01
|
US$15,031
|
|
|
2019-12-04 |
2019-12-03 |
S
Sale
|
PFORZHEIMER CARL H II
Non-Executive Director
|
8,048
-17.0%
3.25
US$26,159
|
8,048
-17.0%
|
3.25
|
US$26,159
|
|
|
2019-12-04 |
2019-12-02 |
S
Sale
|
PFORZHEIMER CARL H II
Non-Executive Director
|
75
-0.2%
3.42
US$256
|
75
-0.2%
|
3.42
|
US$256
|
|
|
2019-11-18 |
2019-11-15 |
S
Sale
|
PFORZHEIMER CARL H II
Non-Executive Director
|
200
-0.4%
3.75
US$750
|
200
-0.4%
|
3.75
|
US$750
|
|
|
2019-11-18 |
2019-11-14 |
S
Sale
|
PFORZHEIMER CARL H II
Non-Executive Director
|
40
-0.1%
3.75
US$150
|
40
-0.1%
|
3.75
|
US$150
|
|
|
2019-11-14 |
2019-11-12 |
S
Sale
|
|
2,300
-4.6%
3.75
US$8,626
|
2,300
-4.6%
|
3.75
|
US$8,626
|
|
|
2019-05-28 |
2019-05-23 |
B
Purchase
|
Large shareholder
|
4,745
+0.4%
4.34
US$20,593
|
4,745
+0.4%
|
4.34
|
US$20,593
|
|
|
2019-05-23 |
2019-05-22 |
B
Purchase
|
Large shareholder
|
10,000
+0.8%
4.31
US$43,142
|
10,000
+0.8%
|
4.31
|
US$43,142
|
|
|
2019-05-22 |
2019-05-21 |
B
Purchase
|
Large shareholder
|
10,000
+0.8%
4.31
US$43,148
|
10,000
+0.8%
|
4.31
|
US$43,148
|
|
|
2019-05-17 |
2019-05-16 |
B
Purchase
|
|
3,790
+18.1%
4.06
US$15,393
|
3,790
+18.1%
|
4.06
|
US$15,393
|
|
|
2019-05-16 |
2019-05-16 |
B
Purchase
|
Chief Executive Officer
Executive Director
|
3,875
+7.1%
4.07
US$15,766
|
3,875
+7.1%
|
4.07
|
US$15,766
|
|
|
2019-05-16 |
2019-05-16 |
B
Purchase
|
Non-Executive Director
|
2,300
+76.7%
4.00
US$9,197
|
2,300
+76.7%
|
4.00
|
US$9,197
|
|
|
2019-05-16 |
2019-05-15 |
B
Purchase
|
|
3,711
+21.6%
4.04
US$15,007
|
3,711
+21.6%
|
4.04
|
US$15,007
|
|
|
2019-05-16 |
2019-05-15 |
B
Purchase
|
Non-Executive Director
|
10,000
+inf%
3.95
US$39,457
|
10,000
+inf%
|
3.95
|
US$39,457
|
|
|
2019-01-02 |
2018-12-31 |
B
Purchase
|
President,Air&Liq. Proc. Group
Officer
|
4,000
+21.7%
3.17
US$12,690
|
4,000
+21.7%
|
3.17
|
US$12,690
|
|
|
2019-01-02 |
2018-12-31 |
B
Purchase
|
Non-Executive Director
|
10,000
+33.3%
3.14
US$31,400
|
10,000
+33.3%
|
3.14
|
US$31,400
|
|
|
2018-12-31 |
2018-12-28 |
B
Purchase
|
ABEL JAMES J
Non-Executive Director
|
15,000
+57.1%
3.06
US$45,868
|
15,000
+57.1%
|
3.06
|
US$45,868
|
|
|
2018-12-12 |
2018-12-12 |
B
Purchase
|
SIDDONS ERNEST G
Non-Executive Director
|
5,000
+23.7%
3.99
US$19,935
|
5,000
+23.7%
|
3.99
|
US$19,935
|
|
|
2018-12-12 |
2018-12-11 |
B
Purchase
|
Scagline Rodney
President of Union Electric
Officer
|
1,000
+3.3%
3.70
US$3,703
|
1,000
+3.3%
|
3.70
|
US$3,703
|
|
|
2018-12-07 |
2018-12-07 |
B
Purchase
|
Scagline Rodney
President of Union Electric
Officer
|
1,576
+5.4%
3.87
US$6,093
|
1,576
+5.4%
|
3.87
|
US$6,093
|
|
|
2018-12-03 |
2018-11-30 |
B
Purchase
|
ABEL JAMES J
Non-Executive Director
|
2,000
+8.2%
4.02
US$8,049
|
2,000
+8.2%
|
4.02
|
US$8,049
|
|
|
2018-12-03 |
2018-11-30 |
B
Purchase
|
ABEL JAMES J
Non-Executive Director
|
5,000
+26.0%
4.15
US$20,769
|
5,000
+26.0%
|
4.15
|
US$20,769
|
|
|
2018-11-26 |
2018-11-21 |
B
Purchase
|
GERMAN MICHAEL I
Non-Executive Director
|
3,000
+13.5%
4.26
US$12,780
|
3,000
+13.5%
|
4.26
|
US$12,780
|
|
|
2018-11-20 |
2018-11-20 |
B
Purchase
|
Scagline Rodney
President of Union Electric
Officer
|
1,000
+3.6%
3.93
US$3,929
|
1,000
+3.6%
|
3.93
|
US$3,929
|
|
|
2018-11-19 |
2018-11-19 |
B
Purchase
|
CARROLL LEONARD M
Non-Executive Director
|
1,000
+4.1%
4.29
US$4,290
|
1,000
+4.1%
|
4.29
|
US$4,290
|
|
|
2018-11-15 |
2018-11-15 |
B
Purchase
|
Scagline Rodney
President of Union Electric
Officer
|
1,424
+5.4%
4.04
US$5,746
|
1,424
+5.4%
|
4.04
|
US$5,746
|
|
|
2018-11-14 |
2018-11-13 |
B
Purchase
|
KENNY TERRENCE W
President,Air&Liq. Proc. Group
Officer
|
4,000
+27.8%
4.56
US$18,248
|
4,000
+27.8%
|
4.56
|
US$18,248
|
|
|
2018-11-13 |
2018-11-13 |
B
Purchase
|
McBrayer Brett
Chief Executive Officer
Executive Director
|
4,000
+18.3%
4.75
US$19,000
|
4,000
+18.3%
|
4.75
|
US$19,000
|
|
|
2018-11-13 |
2018-11-13 |
B
Purchase
|
Scagline Rodney
President of Union Electric
Officer
|
8,000
+43.2%
4.53
US$36,264
|
8,000
+43.2%
|
4.53
|
US$36,264
|
|
|
2018-08-16 |
2018-08-15 |
B
Purchase
|
PFORZHEIMER CARL H II
Non-Executive Director
|
6,869
+29.7%
7.41
US$50,879
|
6,869
+29.7%
|
7.41
|
US$50,879
|
|
|
2018-07-31 |
2018-07-30 |
PlS
Planned sale
|
Louis Berkman Investment CO
Large shareholder
|
100
-0.0%
11.00
US$1,100
|
100
-0.0%
|
11.00
|
US$1,100
|
|
|
2018-06-01 |
2018-05-31 |
PlS
Planned sale
|
Louis Berkman Investment CO
Large shareholder
|
579
-0.0%
11.00
US$6,369
|
579
-0.0%
|
11.00
|
US$6,369
|
|
|
2018-06-01 |
2018-05-31 |
PlS
Planned sale
|
Louis Berkman Investment CO
Large shareholder
|
100
-0.0%
11.05
US$1,105
|
100
-0.0%
|
11.05
|
US$1,105
|
|
|
2018-04-25 |
2018-04-24 |
PlS
Planned sale
|
Louis Berkman Investment CO
Large shareholder
|
1,767
-0.1%
11.00
US$19,437
|
1,767
-0.1%
|
11.00
|
US$19,437
|
|
|
2018-04-24 |
2018-04-23 |
PlS
Planned sale
|
Louis Berkman Investment CO
Large shareholder
|
188
-0.0%
11.00
US$2,068
|
188
-0.0%
|
11.00
|
US$2,068
|
|
|
2018-04-24 |
2018-04-23 |
PlS
Planned sale
|
Louis Berkman Investment CO
Large shareholder
|
200
-0.0%
11.05
US$2,210
|
200
-0.0%
|
11.05
|
US$2,210
|
|
|
2018-04-24 |
2018-04-23 |
PlS
Planned sale
|
Louis Berkman Investment CO
Large shareholder
|
100
-0.0%
11.08
US$1,108
|
100
-0.0%
|
11.08
|
US$1,108
|
|