AltaGas Ltd (ALA)

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Over the past 90 days, AltaGas Ltd has seen limited insider activity, characterized by a single sell transaction totaling approximately 113,757 CAD. This follows a period where the stock price reached near 52-week highs, supported by a positive earnings report in April 2026 that exceeded EPS expectations by 9.01%.

No active insider signal

Top insider sells (90d)

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No active insider signal

Top insider sells

Ticker: ALA Exchange: TOR

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings

Insider activity signal detected

15 activity signals detected for AltaGas Ltd

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Insider trades have triggered activity signals for AltaGas Ltd. Upgrade to see score, net flow, insiders and the full signal context.

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Company data & Insiders

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Trades

Sale 22 May 2026

Value CA$446,776.32 | Price 211.31 | Shares 59,861 (-15.9%)

Sale 13 Mar 2026

Value CA$985,589.99 | Price 410.85 | Shares 90,455

Buy 7 Nov 2025

Value CA$2,002,325.00 | Price 39.65 | Shares 50,500 (+42.5%)

Buy 7 Nov 2025

Value CA$249,993.25 | Price 39.65 | Shares 6,305

Buy 7 Nov 2025

Value CA$39,650.00 | Price 39.65 | Shares 1,000 (+14.3%)

Buy 7 Nov 2025

Value CA$79,300.00 | Price 39.65 | Shares 2,000 (+11.8%)

Buy 7 Nov 2025

Value CA$59,475.00 | Price 39.65 | Shares 1,500 (+25.0%)

Buy 7 Nov 2025

Value CA$396,500.00 | Price 39.65 | Shares 10,000 (+18.9%)

Buy 7 Nov 2025

Value CA$594,750.00 | Price 39.65 | Shares 15,000 (+9.6%)

Buy 7 Nov 2025

Value CA$99,997.30 | Price 39.65 | Shares 2,522 (+315.2%)

Buy 7 Nov 2025

Value CA$59,475.00 | Price 39.65 | Shares 1,500 (+19.7%)

Sale 6 Oct 2025

Value CA$4,348.50 | Price 43.49 | Shares 100 (-0.5%)

Sale 6 Oct 2025

Value CA$82,612.00 | Price 43.48 | Shares 1,900 (-8.5%)

Sale 6 Oct 2025

Value CA$39,123.00 | Price 43.47 | Shares 900 (-3.9%)

Sale 6 Oct 2025

Value CA$26,076.00 | Price 43.46 | Shares 600 (-2.5%)

Sale 15 Aug 2025

Value CA$82,244.34 | Price 41.94 | Shares 1,961

Sale 14 Aug 2025

Value CA$364,878.00 | Price 41.94 | Shares 8,700

Sale 12 Aug 2025

Value CA$113,238.00 | Price 41.94 | Shares 2,700

Sale 3 Apr 2025

Value CA$3,605,480.00 | Price 39.19 | Shares 92,000 (-24.7%)

Buy 26 Mar 2025

Value CA$749,936.22 | Price 38.98 | Shares 19,239

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-05-22	2026-05-22	S Sale	3.2 Stein, Deborah Susan Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	59,861 -15.9% 211.31 CA$446,776	59,861 -15.9%	211.31	CA$446,776
2026-03-17	2026-03-13	S Sale	2.3 Ledig, Peter James Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	90,455 410.85 CA$985,590	90,455	410.85	CA$985,590
2025-11-10	2025-11-07	B Purchase	3.5 Yu, Vernon Dai-Chung Senior Officer of Issuer Officer	89,386 -34.9% 215.96 CA$39,055	89,386 -34.9%	215.96	CA$39,055
2025-11-10	2025-11-07	B Purchase	3.0 Tower, Nancy Gail Director of Issuer Non-Executive Director	6,305 39.65 CA$249,993	6,305	39.65	CA$249,993
2025-11-10	2025-11-07	B Purchase	3.9 Lekatsas, Angela S. Director of Issuer Non-Executive Director	1,000 +14.3% 39.65 CA$39,650	1,000 +14.3%	39.65	CA$39,650
2025-11-10	2025-11-07	B Purchase	3.0 KARKKAINEN, PENTTI OLAVI Director of Issuer Non-Executive Director	2,000 +11.8% 39.65 CA$79,300	2,000 +11.8%	39.65	CA$79,300
2025-11-10	2025-11-07	B Purchase	3.5 Johnston, Cynthia Director of Issuer Non-Executive Director	1,500 +25.0% 39.65 CA$59,475	1,500 +25.0%	39.65	CA$59,475
2025-11-10	2025-11-07	B Purchase	2.1 Harbilas, James Senior Officer of Issuer Officer	10,000 +18.9% 39.65 CA$396,500	10,000 +18.9%	39.65	CA$396,500
2025-11-10	2025-11-07	B Purchase	2.7 Cornhill, David Wallace Director of Issuer Non-Executive Director	15,000 +9.6% 39.65 CA$594,750	15,000 +9.6%	39.65	CA$594,750
2025-11-10	2025-11-07	B Purchase	3.4 Carlsen, Hejdi A. Senior Officer of Issuer Officer	2,522 +315.2% 39.65 CA$99,997	2,522 +315.2%	39.65	CA$99,997
2025-11-10	2025-11-07	B Purchase	3.0 Calvert, Victoria Anne Director of Issuer Non-Executive Director	1,500 +19.7% 39.65 CA$59,475	1,500 +19.7%	39.65	CA$59,475
2025-10-07	2025-10-06	S Sale	3.2 Stein, Deborah Susan Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	100 -0.5% 43.49 CA$4,348	100 -0.5%	43.49	CA$4,348
2025-10-07	2025-10-06	S Sale	3.2 Stein, Deborah Susan Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	1,900 -8.5% 43.48 CA$82,612	1,900 -8.5%	43.48	CA$82,612
2025-10-07	2025-10-06	S Sale	3.2 Stein, Deborah Susan Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	900 -3.9% 43.47 CA$39,123	900 -3.9%	43.47	CA$39,123
2025-10-07	2025-10-06	S Sale	3.2 Stein, Deborah Susan Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	600 -2.5% 43.46 CA$26,076	600 -2.5%	43.46	CA$26,076
2025-08-18	2025-08-15	S Sale	2.3 Ledig, Peter James Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	1,961 41.94 CA$82,244	1,961	41.94	CA$82,244
2025-08-18	2025-08-14	S Sale	2.3 Ledig, Peter James Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	8,700 41.94 CA$364,878	8,700	41.94	CA$364,878
2025-08-13	2025-08-12	S Sale	2.3 Ledig, Peter James Director or Senior Officer of Insider or Subsidiary of Issuer Executive Director	2,700 41.94 CA$113,238	2,700	41.94	CA$113,238
2025-04-04	2025-04-03	S Sale	2.6 Toone, Randy Warren Senior Officer of Issuer Officer	92,000 -24.7% 39.19 CA$3,605,480	92,000 -24.7%	39.19	CA$3,605,480
2025-03-27	2025-03-26	B Purchase	2.5 Evans, Derek Watson Director of Issuer Non-Executive Director	19,239 38.98 CA$749,936	19,239	38.98	CA$749,936