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The\"target\" number of restricted stock units is reported. Between 75% and 150% of the target number of units may vest on December 31, 2023, with the vesting percentage determined based on actual performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Vesting of these restricted stock units depends on the average closing price of a share of Genocea Biosciences, Inc.'s common stock over the sixty trading days immediately preceding December 31, 2023. The\"target\" number of restricted stock units is reported. 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