TRANSALTA CORP

Ticker: TAC CUSIP: 89346D107 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 793,222 Value ($000) $10,064 Avg Close $14.93 Range $12.34 - $17.88

Q3 2025

Shares 856,047 Value ($000) $11,742 Avg Close $12.30 Range $10.28 - $13.90

Q2 2025

Shares 863,232 Value ($000) $9,355 Avg Close $9.52 Range $7.82 - $11.51

Q1 2025

Shares 881,682 Value ($000) $8,280 Avg Close $11.07 Range $8.54 - $14.62

Q4 2024

Shares 889,817 Value ($000) $12,628 Avg Close $11.41 Range $9.18 - $14.64

Q3 2024

Shares 917,767 Value ($000) $9,545 Avg Close $8.32 Range $6.78 - $10.60

Q2 2024

Shares 883,617 Value ($000) $6,294 Avg Close $6.85 Range $5.94 - $7.36

Q1 2024

Shares 926,369 Value ($000) $5,957 Avg Close $7.10 Range $6.23 - $8.40

Q4 2023

Shares 819,727 Value ($000) $6,812 Avg Close $8.08 Range $7.22 - $8.83

Q3 2023

Shares 934,352 Value ($000) $8,129 Avg Close $9.71 Range $8.67 - $10.40

Q2 2023

Shares 944,152 Value ($000) $8,837 Avg Close $9.38 Range $8.62 - $10.07

Q1 2023

Shares 1,020,402 Value ($000) $8,929 Avg Close $8.81 Range $7.69 - $10.24

Q4 2022

Shares 1,062,772 Value ($000) $9,533 Avg Close $8.96 Range $7.55 - $9.81

Q3 2022

Shares 1,063,677 Value ($000) $9,392 Avg Close $10.28 Range $8.82 - $11.85

Q2 2022

Shares 1,064,392 Value ($000) $12,134 Avg Close $11.02 Range $10.21 - $11.70

Q1 2022

Shares 1,054,280 Value ($000) $10,922 Avg Close $10.32 Range $9.44 - $12.13

Q4 2021

Shares 699,150 Value ($000) $7,774 Avg Close $10.89 Range $9.91 - $11.80

Q3 2021

Shares 652,800 Value ($000) $6,893 Avg Close $10.02 Range $9.46 - $11.08

Q2 2021

Shares 560,950 Value ($000) $5,598 Avg Close $9.65 Range $8.98 - $10.20

Q1 2021

Shares 560,950 Value ($000) $5,306 Avg Close $8.86 Range $7.51 - $9.78

Q4 2020

Shares 299,000 Value ($000) $2,269 Avg Close $6.68 Range $5.89 - $7.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	793,222	$10,064	$14.93	$12.34 - $17.88
Q3 2025	856,047	$11,742	$12.30	$10.28 - $13.90
Q2 2025	863,232	$9,355	$9.52	$7.82 - $11.51
Q1 2025	881,682	$8,280	$11.07	$8.54 - $14.62
Q4 2024	889,817	$12,628	$11.41	$9.18 - $14.64
Q3 2024	917,767	$9,545	$8.32	$6.78 - $10.60
Q2 2024	883,617	$6,294	$6.85	$5.94 - $7.36
Q1 2024	926,369	$5,957	$7.10	$6.23 - $8.40
Q4 2023	819,727	$6,812	$8.08	$7.22 - $8.83
Q3 2023	934,352	$8,129	$9.71	$8.67 - $10.40
Q2 2023	944,152	$8,837	$9.38	$8.62 - $10.07
Q1 2023	1,020,402	$8,929	$8.81	$7.69 - $10.24
Q4 2022	1,062,772	$9,533	$8.96	$7.55 - $9.81
Q3 2022	1,063,677	$9,392	$10.28	$8.82 - $11.85
Q2 2022	1,064,392	$12,134	$11.02	$10.21 - $11.70
Q1 2022	1,054,280	$10,922	$10.32	$9.44 - $12.13
Q4 2021	699,150	$7,774	$10.89	$9.91 - $11.80
Q3 2021	652,800	$6,893	$10.02	$9.46 - $11.08
Q2 2021	560,950	$5,598	$9.65	$8.98 - $10.20
Q1 2021	560,950	$5,306	$8.86	$7.51 - $9.78
Q4 2020	299,000	$2,269	$6.68	$5.89 - $7.68