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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 2026-05-22 16:37
Tx date 2026-05-22
$ALA
AltaGas Ltd.
Stein, Deborah Susan
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$-113,757
-2,100 vol
$54.17 each
18,000
Filed 2026-05-01 13:28
Tx date 2026-05-01
$ALA
AltaGas Ltd.
Weekley, William Jason
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
$-100,251.68
-2,096 vol
$47.83 each
20,735
Filed 2026-05-01 13:27
Tx date 2026-05-01
$ALA
AltaGas Ltd.
Weekley, William Jason
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

+44 vol
22,831
Filed 2026-05-01 13:25
Tx date 2026-05-01
$ALA
AltaGas Ltd.
Uehara, Karen Ka Lun
5 - Senior Officer of Issuer
Direct Ownership
Rights Restricted Units (RU)
59 - Exercise for cash
$-129,619.30
-2,710 vol
$47.83 each
18,981
Filed 2026-05-01 13:24
Tx date 2026-05-01
$ALA
AltaGas Ltd.
Uehara, Karen Ka Lun
5 - Senior Officer of Issuer
Direct Ownership
Rights Restricted Units (RU)
30 - Acquisition or disposition under a purchase/ownership plan

+56 vol
21,691
Filed 2026-05-01 13:22
Tx date 2026-05-01
$ALA
AltaGas Ltd.
Brown, Sean
5 - Senior Officer of Issuer
Direct Ownership
Rights Restricted Units (RU)
59 - Exercise for cash
$-152,673.36
-3,192 vol
$47.83 each
15,911
Filed 2026-05-01 13:19
Tx date 2026-05-01
$ALA
AltaGas Ltd.
Brown, Sean
5 - Senior Officer of Issuer
Direct Ownership
Rights Restricted Units (RU)
30 - Acquisition or disposition under a purchase/ownership plan

+66 vol
19,103
Filed 2026-04-17 16:07
Tx date 2026-04-17
$ALA
AltaGas Ltd.
Tower, Nancy Gail
4 - Director of Issuer
Direct Ownership
Rights Restricted Units (RU)
59 - Exercise for cash
$-70,332.88
-1,492 vol
$47.14 each
3,911
Filed 2026-04-17 16:06
Tx date 2026-04-17
$ALA
AltaGas Ltd.
Tower, Nancy Gail
4 - Director of Issuer
Direct Ownership
Rights Restricted Units (RU)
30 - Acquisition or disposition under a purchase/ownership plan

+10 vol
5,403
Filed 2026-04-17 16:04
Tx date 2026-04-17
$ALA
AltaGas Ltd.
Cornhill, David Wallace
4 - Director of Issuer
Direct Ownership
Rights Restricted Units (RU)
59 - Exercise for cash
$-140,712.90
-2,985 vol
$47.14 each
13,054
Filed 2026-04-17 16:03
Tx date 2026-04-17
$ALA
AltaGas Ltd.
Cornhill, David Wallace
4 - Director of Issuer
Direct Ownership
Rights Restricted Units (RU)
30 - Acquisition or disposition under a purchase/ownership plan

+21 vol
16,039
Filed 2026-04-17 15:58
Tx date 2026-04-17
$ALA
AltaGas Ltd.
Calvert, Victoria Anne
4 - Director of Issuer
Direct Ownership
Rights Restricted Units (RU)
59 - Exercise for cash
$-84,427.74
-1,791 vol
$47.14 each
14,266
Filed 2026-04-17 15:57
Tx date 2026-04-17
$ALA
AltaGas Ltd.
Calvert, Victoria Anne
4 - Director of Issuer
Direct Ownership
Rights Restricted Units (RU)
30 - Acquisition or disposition under a purchase/ownership plan

+12 vol
16,057
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 2026-04-06 12:41
Tx date 2026-04-01
$ALA
AltaGas Ltd.
Weekley, William Jason
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
$229,966
+4,808 vol
$47.83 each
22,787
Filed 2026-04-06 12:40
Tx date 2026-01-23
$ALA
AltaGas Ltd.
Weekley, William Jason
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
$-245,399.76
-5,868 vol
$41.82 each
17,979
Filed 2026-04-06 12:39
Tx date 2026-04-01
$ALA
AltaGas Ltd.
Weekley, William Jason
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
$344,902
+7,211 vol
$47.83 each
16,577
Filed 2026-04-06 12:29
Tx date 2026-04-01
$ALA
AltaGas Ltd.
Ledig, Peter James
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
$216,239
+4,521 vol
$47.83 each
18,313
Filed 2026-04-06 12:29
Tx date 2026-04-01
$ALA
AltaGas Ltd.
Ledig, Peter James
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
$324,335
+6,781 vol
$47.83 each
27,469