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Feb 13, 2024 05:11PM Form SC 13G/A IMPINJ INC Filed by: VANGUARD GROUP INC

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Feb 10, 2023 06:02AM Form SC 13G IMPINJ INC Filed by: Invesco Ltd.

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Feb 12, 2021 04:53PM Form SC 13G/A IMPINJ INC Filed by: Toronado Fund, L.P.

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Jan 13, 2020 04:31PM Form SC 13G IMPINJ INC Filed by: Toronado Fund, L.P.

Jul 10, 2019 04:26PM

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Feb 14, 2019 06:16AM Form SC 13G/A IMPINJ INC Filed by: GILDER GAGNON HOWE & CO LLC

Feb 8, 2019 06:13AM

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Mar 26, 2018 04:24PM

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Feb 14, 2018 05:05PM Form SC 13G/A IMPINJ INC Filed by: DIORIO CHRIS PH.D.

Feb 14, 2018 02:52PM

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Aug 11, 2017 06:02AM Form SC 13G IMPINJ INC Filed by: Ice Pond Lane Advisers, LLC

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