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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 2026-04-06 15:48
Tx date 2026-04-01
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Restricted Units (RU)
56 - Grant of rights
$211,695
+4,426 vol
$47.83 each
22,966
Filed 2026-04-06 15:48
Tx date 2026-04-01
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Performance Units (PU)
56 - Grant of rights
$317,543
+6,639 vol
$47.83 each
24,285
Filed 2026-01-26 15:30
Tx date 2026-01-23
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Restricted Units (RU)
59 - Exercise for cash
$-548,469.30
-13,115 vol
$41.82 each
18,540
Filed 2026-01-08 12:55
Tx date 2025-12-31
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan

+1,064 vol
1,704
Filed 2026-01-08 12:54
Tx date 2025-12-31
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Restricted Units (RU)
30 - Acquisition or disposition under a purchase/ownership plan

+936 vol
31,655
Filed 2026-01-08 12:53
Tx date 2025-12-31
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Performance Units (PU)
30 - Acquisition or disposition under a purchase/ownership plan

+481 vol
17,646
Filed 2025-04-04 10:30
Tx date 2025-04-01
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Restricted Units (RU)
56 - Grant of rights
$201,582
+5,302 vol
$38.02 each
30,719
Filed 2025-04-04 10:30
Tx date 2025-04-01
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Performance Units (PU)
56 - Grant of rights
$302,411
+7,954 vol
$38.02 each
17,165
Filed 2025-01-20 13:47
Tx date 2024-12-31
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan

+278 vol
640
Filed 2025-01-20 13:46
Tx date 2025-01-17
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Restricted Units (RU)
59 - Exercise for cash
$-424,320.12
-12,708 vol
$33.39 each
25,417
Filed 2025-01-20 13:46
Tx date 2024-12-31
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Restricted Units (RU)
30 - Acquisition or disposition under a purchase/ownership plan

+336 vol
38,125
Filed 2025-01-20 13:45
Tx date 2024-12-31
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Performance Units (PU)
30 - Acquisition or disposition under a purchase/ownership plan

+81 vol
9,211
Filed 2024-10-07 16:32
Tx date 2024-10-01
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
362
Filed 2024-10-07 16:32
Tx date 2024-10-01
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Restricted Units (RU)
00 - Opening Balance-Initial SEDI Report
37,789
Filed 2024-10-07 16:31
Tx date 2024-10-01
$ALA
AltaGas Ltd.
Brown, Brionie Ann
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Rights Performance Units (PU)
00 - Opening Balance-Initial SEDI Report
9,130