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Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Equity-based compensation (in shares) | 3,284,120 | 2,167,170 | 1,133,725
Grant of exchangeability and redemption of limited partnership interests (in shares) | 30,998,136 | 58,024,858 | 13,190,311
Repurchase of Class A common stock (in shares) | 27,087,000 | 68,253,000 |
Cantor purchase of Cantor units from BGC Holdings upon redemption of FPUs (in shares) | 833,515 | 4,408,931 |
Dividends declared per share of common stock (in dollars per share) | $ 0.04 | $ 0.04 | $ 0.17
Dividends declared and paid per share of common stock (in dollars per share) | $ 0.04 | $ 0.04 | $ 0.17
Smith Mack |  |  |
Issuance of Class A common stock and RSUs for acquisitions (in shares) | 1,205,767 | 1,789,018 | 390,775
Partnership Units |  |  |
Redemption of FPUs (in shares) | 113,203 | 1,198,131 | 730,141
Class A Common Stock |  |  |
Grant of exchangeability and redemption of limited partnership interests (in shares) | 30,998,000 | 58,025,000 |
Issuance of Class A common stock (net of costs) (in shares) | 500,697 | 417,247 | 390,570
Repurchase of Class A common stock (in shares) | 27,086,884 | 68,253,498 | 2,259
Forfeiture of Class A common stock (in shares) | 66,693 | 140,188 |
Issuance of Class A common stock and RSUs for acquisitions (in shares) | 1,206,000 | 1,789,000 |

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