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Date | Name | Ticker | Shares | Change | Value | Change | Price |
06/30/2021 | Summit Materials, Inc. | SUM | 0 | -1,300,600 | 0 | -36,443,000 | |
03/31/2021 | Summit Materials, Inc. | SUM | 1,300,600 | -421,900 | 36,443,000 | 1,855,000 | $28.02 |
12/31/2020 | Summit Materials, Inc. | SUM | 1,722,500 | 0 | 34,588,000 | 6,098,000 | $20.08 |
09/30/2020 | Summit Materials, Inc. | SUM | 1,722,500 | 0 | 28,490,000 | 792,000 | $16.54 |
06/30/2020 | Summit Materials, Inc. | SUM | 1,722,500 | -98,700 | 27,698,000 | 380,000 | $16.08 |
03/31/2020 | Summit Materials, Inc. | SUM | 1,821,200 | 98,650 | 27,318,000 | -13,851,000 | $15.00 |
12/31/2019 | Summit Materials, Inc. | SUM | 1,722,550 | -200,900 | 41,169,000 | -1,532,000 | $23.90 |
09/30/2019 | Summit Materials, Inc. | SUM | 1,923,450 | -511,550 | 42,701,000 | -4,173,000 | $22.20 |
06/30/2019 | Summit Materials, Inc. | SUM | 2,435,000 | 219,000 | 46,874,000 | 11,706,000 | $19.25 |
03/31/2019 | Summit Materials, Inc. | SUM | 2,216,000 | -151,300 | 35,168,000 | 5,813,000 | $15.87 |
12/31/2018 | Summit Materials, Inc. | SUM | 2,367,300 | 765,100 | 29,355,000 | 227,000 | $12.40 |
09/30/2018 | Summit Materials, Inc. | SUM | 1,602,200 | 1,417,200 | 29,128,000 | 24,272,000 | $18.18 |
06/30/2018 | Summit Materials, Inc. | SUM | 185,000 | 185,000 | 4,856,000 | 4,856,000 | $26.25 |
06/30/2017 | Summit Materials, Inc. | SUM | 0 | -18,722 | 0 | -463,000 | |
03/31/2017 | Summit Materials, Inc. | SUM | 18,722 | 0 | 463,000 | 18,000 | $24.73 |
12/31/2016 | Summit Materials, Inc. | SUM | 18,722 | -2,278 | 445,000 | 55,000 | $23.77 |
09/30/2016 | Summit Materials, Inc. | SUM | 21,000 | 21,000 | 390,000 | 390,000 | $18.57 |
06/30/2016 | Summit Materials, Inc. | SUM | 21,000 | 0 | 430,000 | 22,000 | $20.48 |
03/31/2016 | Summit Materials, Inc. | SUM | 21,000 | 21,000 | 408,000 | 408,000 | $19.43 |
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