SEC Form 15-12G filed by 2seventy bio Inc.
Rule 12g-4(a)(1)
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Rule 12g-4(a)(2)
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Rule 12h-3(b)(1)(i)
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Rule 12h-3(b)(1)(ii)
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Rule 15d-6
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Rule 15d-22(b)
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2seventy bio, Inc.
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By:
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/s/ Amy Fallone
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Name:
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Amy Fallone
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Title:
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Vice President and Secretary
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Date: May 23, 2025 |