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Date Issuer Insider Transaction Amount New Balance ⓘ
The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
Filed 2025-11-17 16:12
Tx date 2025-11-06
$ACO
ATCO LTD.
Cook, P. Derek
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
30 - Acquisition or disposition under a purchase/ownership plan
$1,057
+21 vol
$50.34 each
501
Filed 2025-11-17 16:11
Tx date 2025-11-06
$ACO
ATCO LTD.
Cook, P. Derek
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
30 - Acquisition or disposition under a purchase/ownership plan
$10,572
+208 vol
$50.83 each
480
Filed 2025-11-13 17:33
Tx date 2025-11-06
$ACO
ATCO LTD.
Cook, P. Derek
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
30 - Acquisition or disposition under a purchase/ownership plan
$1,057
+21 vol
$50.34 each
Filed 2025-11-13 17:32
Tx date 2025-11-06
$ACO
ATCO LTD.
Cook, P. Derek
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
30 - Acquisition or disposition under a purchase/ownership plan
$10,572
+208 vol
$50.83 each
Filed 2025-11-14 17:38
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
51 - Exercise of options
$35,240
+1,000 vol
$35.24 each
1,613
Filed 2025-11-14 17:37
Tx date 2025-11-12
$ACO
ATCO LTD.
Cook, P. Derek
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
51 - Exercise of options
$97,640
+2,000 vol
$48.82 each
2,501
Filed 2025-11-14 17:01
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$-42,500
-1,000 vol
$42.50 each
613
Filed 2025-11-14 17:00
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$35,240
+1,000 vol
$35.24 each
Filed 2025-11-14 16:59
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Options 35.24 (2024-09-15)
51 - Exercise of options

-1,000 vol
3,000
Filed 2025-11-14 16:58
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$-42,500
-1,000 vol
$42.50 each
613
Filed 2025-11-14 16:58
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
51 - Exercise of options
$31,280
+1,000 vol
$31.28 each
1,613
Filed 2025-11-14 16:57
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Options 31.28 (2023-09-15)
51 - Exercise of options

-1,000 vol
2,000
Filed 2025-11-14 16:56
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$-110,500
-2,600 vol
$42.50 each
613
Filed 2025-11-14 16:56
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$-12,753
-300 vol
$42.51 each
3,213
Filed 2025-11-14 16:55
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$-4,251.50
-100 vol
$42.52 each
3,513
Filed 2025-11-14 16:55
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
51 - Exercise of options
$122,670
+3,000 vol
$40.89 each
3,613
Filed 2025-11-14 16:54
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Options 40.89 (2022-09-15)
51 - Exercise of options

-3,000 vol
1,000
Filed 2025-11-14 16:52
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$-25,518
-600 vol
$42.53 each
613
Filed 2025-11-14 16:52
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$-4,255
-100 vol
$42.55 each
1,213
Filed 2025-11-14 16:51
Tx date 2025-11-12
$CU
Canadian Utilities Limited
Cook, P. Derek
6 - Director or Senior Officer of 10% Security Holder, 5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
$-55,302
-1,300 vol
$42.54 each
1,313