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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 2025-06-25 16:00
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market 		$-77,100
-1,500 vol
$51.40 each 		3,504
Filed 2025-06-25 16:00
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
51 - Exercise of options 		$71,310
+1,500 vol
$47.54 each 		5,004
Filed 2025-06-25 15:59
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Options 47.54 (2022-09-15)
51 - Exercise of options
-1,500 vol 		1,500
Filed 2025-06-25 15:58
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market 		$-15,423
-300 vol
$51.41 each 		3,504
Filed 2025-06-25 15:57
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market 		$-87,380
-1,700 vol
$51.40 each 		3,804
Filed 2025-06-25 15:57
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
51 - Exercise of options 		$90,760
+2,000 vol
$45.38 each 		5,504
Filed 2025-06-25 15:56
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Options 45.38 (2021-06-15)
51 - Exercise of options
-2,000 vol 		0
Filed 2025-06-25 15:55
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market 		$-10,280
-200 vol
$51.40 each 		3,504
Filed 2025-06-25 15:54
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market 		$-5,141
-100 vol
$51.41 each 		3,704
Filed 2025-06-25 15:54
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market 		$-10,290
-200 vol
$51.45 each 		3,804
Filed 2025-06-25 15:53
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
51 - Exercise of options 		$19,200
+500 vol
$38.40 each 		4,004
Filed 2025-06-25 15:52
Tx date 2025-06-24 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Options 38.40 (2020-12-15)
51 - Exercise of options
-500 vol 		1,500
Filed 2025-06-18 17:36
Tx date 2025-06-15 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Rights RSU 2024-06-15
10 - Acquisition or disposition in the public market
-1,547 vol 		4,641
Filed 2025-06-18 17:36
Tx date 2025-06-15 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Rights RSU 2024-06-15
30 - Acquisition or disposition under a purchase/ownership plan
+188 vol 		6,188
Filed 2025-06-17 17:33
Tx date 2025-06-15 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Rights Restricted Share Unit
56 - Grant of rights
+6,000 vol 		6,000
Filed 2025-06-17 17:32
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Rights Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2025-01-24 15:59
Tx date 2024-12-31 		$CU
Canadian Utilities Limited 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
30 - Acquisition or disposition under a purchase/ownership plan 		$6,099
+171 vol
$35.67 each 		4,378
Filed 2025-01-24 15:58
Tx date 2024-12-31 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
30 - Acquisition or disposition under a purchase/ownership plan 		$4,241
+88 vol
$48.20 each 		3,504
Filed 2024-11-14 13:11
Tx date 2024-11-07 		$CU
Canadian Utilities Limited 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
30 - Acquisition or disposition under a purchase/ownership plan
+34 vol 		4,207
Filed 2024-11-14 13:11
Tx date 2024-11-07 		$CU
Canadian Utilities Limited 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class A
00 - Opening Balance-Initial SEDI Report 		4,173
Filed 2024-11-14 13:10
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
30 - Acquisition or disposition under a purchase/ownership plan
+101 vol 		3,416
Filed 2024-11-14 13:09
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Non-Voting Shares Class I
00 - Opening Balance-Initial SEDI Report 		3,315
Filed 2024-11-14 13:01
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Rights Restricted Share Unit
00 - Opening Balance-Initial SEDI Report 		6,000
Filed 2024-11-14 12:59
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Options 45.46 (2024-09-15)
00 - Opening Balance-Initial SEDI Report 		5,000
Filed 2024-11-14 12:59
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Options 36.41 (2023-09-15)
00 - Opening Balance-Initial SEDI Report 		5,000
Filed 2024-11-14 12:58
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Options 47.54 (2022-09-15)
00 - Opening Balance-Initial SEDI Report 		3,000
Filed 2024-11-14 12:57
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Options 45.38 (2021-06-15)
00 - Opening Balance-Initial SEDI Report 		2,000
Filed 2024-11-14 12:56
Tx date 2024-11-07 		$ACO
ATCO LTD. 		Kalmacoff, Rebecca M.
5 - Senior Officer of Issuer
Direct Ownership
Options 38.40 (2020-12-15)
00 - Opening Balance-Initial SEDI Report 		2,000