| 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 2023-02-02 14:36 Tx date 2023-01-30 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units56 - Grant of rights | +27,938 vol | 48,434 | |
| Filed 2023-02-02 14:35 Tx date 2023-01-30 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units38 - Redemption, retraction, cancellation, repurchase | -1,769 vol | 20,496 | |
| Filed 2022-09-15 12:41 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-69,159.375 -7,377 vol $9.38 each | 3,345,693 | |
| Filed 2022-09-15 12:37 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-935.00 -100 vol $9.35 each | 3,313,962 | |
| Filed 2022-09-15 12:34 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-64,801 -6,850 vol $9.46 each | 3,314,062 | |
| Filed 2022-09-15 12:33 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,891 -200 vol $9.46 each | 3,320,912 | |
| Filed 2022-09-15 12:33 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-5,310.90 -562 vol $9.45 each | 3,321,112 | |
| Filed 2022-09-15 12:32 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-71,583.345 -7,587 vol $9.44 each | 3,321,674 | |
| Filed 2022-09-15 12:31 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-10,367.50 -1,100 vol $9.43 each | 3,329,261 | |
| Filed 2022-09-15 12:30 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-11,166.19 -1,186 vol $9.41 each | 3,330,361 | |
| Filed 2022-09-15 12:30 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-18.82 -2 vol $9.41 each | 3,331,547 | |
| Filed 2022-09-15 12:29 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-86,065.155 -9,151 vol $9.40 each | 3,331,549 | |
| Filed 2022-09-15 12:28 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-4,700.05 -500 vol $9.40 each | 3,340,700 | |
| Filed 2022-09-15 12:28 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-9,400 -1,000 vol $9.40 each | 3,341,200 | |
| Filed 2022-09-15 12:27 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-30,014.20 -3,193 vol $9.40 each | 3,342,200 | |
| Filed 2022-09-15 12:26 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-938.50 -100 vol $9.38 each | 3,345,393 | |
| Filed 2022-09-15 12:26 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-1,876 -200 vol $9.38 each | 3,345,493 | |
| Filed 2022-09-15 12:25 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-69,159.375 -7,377 vol $9.38 each | ||
| Filed 2022-09-15 12:24 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-43,636.09 -4,657 vol $9.37 each | 3,353,070 | |
| Filed 2022-09-15 12:24 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-454,895.51 -48,574 vol $9.37 each | 3,357,727 | |
| Filed 2022-09-15 12:22 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-80,889.12 -8,642 vol $9.36 each | 3,406,301 | |
| Filed 2022-09-15 12:21 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-8,503.695 -909 vol $9.36 each | 3,414,943 | |
| Filed 2022-09-15 12:21 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-98,006.70 -10,482 vol $9.35 each | 3,415,852 | |
| Filed 2022-09-15 12:20 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-98,006.70 -10,482 vol $9.35 each | ||
| Filed 2022-09-15 12:19 Tx date 2022-09-12 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares10 - Acquisition or disposition in the public market | $-98,006.70 -10,482 vol $9.35 each | ||
| Filed 2022-07-08 11:28 Tx date 2022-07-05 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units56 - Grant of rights | +12,183 vol | 22,265 | |
| Filed 2022-05-05 12:34 Tx date 2022-04-01 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units10 - Acquisition or disposition in the public market | +2,917 vol | 10,082 | |
| Filed 2022-04-22 17:02 Tx date 2022-04-01 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units10 - Acquisition or disposition in the public market | +3,842 vol | ||
| Filed 2022-04-22 17:02 Tx date 2022-04-01 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units10 - Acquisition or disposition in the public market | +3,842 vol | 11,007 | |
| Filed 2022-04-11 19:50 Tx date 2022-02-09 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units56 - Grant of rights | +7,165 vol | 7,165 | |
| Filed 2022-04-11 19:49 Tx date 2022-02-09 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units56 - Grant of rights | +7,165 vol | ||
| Filed 2022-04-11 19:48 Tx date 2022-02-09 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units56 - Grant of rights | +7,165 vol | ||
| Filed 2022-04-11 19:47 Tx date 2021-10-20 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Deferred Share Units00 - Opening Balance-Initial SEDI Report | |||
| Filed 2021-10-27 21:50 Tx date 2021-10-20 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | 3,426,334 | ||
| Filed 2021-10-27 21:49 Tx date 2021-10-20 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Direct Ownership
                                
                             | Warrants00 - Opening Balance-Initial SEDI Report | 170,000 | ||
| Filed 2021-10-27 21:48 Tx date 2021-10-20 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: Pratt Grandchildrens Trust (Control or Direction)
                                
                             | Warrants00 - Opening Balance-Initial SEDI Report | 50,000 | ||
| Filed 2021-10-27 21:48 Tx date 2021-10-20 | $ASTL Algoma Steel Group Inc. | Pratt, Brian Leslie 
                                4 - Director of Issuer
                             
                                
                                
                                
                                    Holder: Pratt Grandchildrens Trust (Control or Direction)
                                
                             | Common Shares00 - Opening Balance-Initial SEDI Report | 350,000 |