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SEDI Insider filing browser
| 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.
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|---|---|---|---|---|---|---|
| Recent filings | ||||||
| Filed 2025-12-15 13:40 Tx date 2025-12-11 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Non-Voting Shares Class I
36 - Conversion or exchange
|
+4,600 vol |
27,226,513 | |
| Filed 2025-12-15 13:39 Tx date 2025-12-11 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Common Shares Class II
36 - Conversion or exchange
|
-4,000 vol |
11,542,320 | |
| Filed 2025-12-15 13:31 Tx date 2025-12-11 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Non-Voting Shares Class I
36 - Conversion or exchange
|
+230 vol |
273,944 | |
| Filed 2025-12-15 13:31 Tx date 2025-12-11 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Akito Investments Inc. (Indirect Ownership)
|
Non-Voting Shares Class I
36 - Conversion or exchange
|
+57,960 vol |
223,970 | |
| Filed 2025-12-15 13:29 Tx date 2025-12-11 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Common Shares Class II
36 - Conversion or exchange
|
-200 vol |
0 | |
| Filed 2025-12-15 13:29 Tx date 2025-12-11 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Akito Investments Inc. (Indirect Ownership)
|
Common Shares Class II
36 - Conversion or exchange
|
-50,400 vol |
0 | |
| Older filings | ||||||
| Filed 2025-12-10 17:26 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market
|
$360,106
+6,725 vol $53.55 each |
27,221,913 | |
| Filed 2025-12-10 17:25 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market
|
$535,999
+10,000 vol $53.60 each |
27,215,188 | |
| Filed 2025-12-10 17:25 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market
|
$267,250
+5,000 vol $53.45 each |
27,205,188 | |
| Filed 2025-12-10 17:24 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market
|
$266,747
+5,000 vol $53.35 each |
27,200,188 | |
| Filed 2025-12-10 17:24 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market
|
$266,000
+5,000 vol $53.20 each |
27,195,188 | |
| Filed 2025-12-10 17:23 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market
|
$529,000
+10,000 vol $52.90 each |
27,190,188 | |
| Filed 2025-12-10 17:23 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Holder: Trustee (Spousal Trust) (Indirect Ownership)
|
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market
|
$142,425
+2,700 vol $52.75 each |
27,180,188 | |
| Filed 2025-12-09 17:54 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Non-Voting Shares Class I
10 - Acquisition or disposition in the public market
|
$-2,941,122.1424
-55,432 vol $53.06 each |
273,714 | |
| Filed 2025-12-09 17:54 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Non-Voting Shares Class I
51 - Exercise of options
|
$2,433,125
+62,500 vol $38.93 each |
329,146 | |
| Filed 2025-12-09 17:53 Tx date 2025-12-08 |
$ACO
ATCO LTD. |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Options 38.93 2016-03-25
51 - Exercise of options
|
-62,500 vol |
0 | |
| Filed 2025-12-09 17:51 Tx date 2025-12-08 |
$CU
Canadian Utilities Limited |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Non-Voting Shares Class A
10 - Acquisition or disposition in the public market
|
$-2,479,379.093
-59,935 vol $41.37 each |
69,188 | |
| Filed 2025-12-09 17:50 Tx date 2025-12-08 |
$CU
Canadian Utilities Limited |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Non-Voting Shares Class A
51 - Exercise of options
|
$2,255,000
+62,500 vol $36.08 each |
129,123 | |
| Filed 2025-12-09 17:49 Tx date 2025-12-08 |
$CU
Canadian Utilities Limited |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Options 36.08 2016-03-25
51 - Exercise of options
|
-62,500 vol |
0 | |
| Filed 2025-12-09 17:44 Tx date 2025-12-05 |
$CU
Canadian Utilities Limited |
Southern, Nancy C.
4 - Director of Issuer, 6 - Director or Senior Officer of 10% Security Holder, 7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6), 5 - Senior Officer of Issuer
Direct Ownership
|
Rights 36.08 (SAR 2016-03-25)
59 - Exercise for cash
|
$-2,607,500
-62,500 vol $41.72 each |
0 | |