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Jan 23, 2023 03:56PM Form SC 13G/A Proto Labs Inc Filed by: BlackRock Inc.
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Feb 15, 2022 06:20AM
Feb 14, 2022 06:25PM
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Feb 4, 2022 06:12AM Form SC 13G/A Proto Labs Inc Filed by: Sumitomo Mitsui Trust Holdings, Inc.
Jan 27, 2022 05:14PM
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Jun 10, 2021 10:56AM
Feb 16, 2021 04:41PM
Feb 16, 2021 04:29PM Form SC 13G Proto Labs Inc Filed by: HARDING LOEVNER LP
Feb 12, 2021 03:11PM
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Oct 9, 2020 02:05PM Form SC 13G Proto Labs Inc Filed by: ARK Investment Management LLC
Feb 14, 2020 09:48AM
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Feb 5, 2020 03:50PM
Feb 4, 2020 12:32PM
Mar 11, 2019 07:52AM
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Feb 12, 2019 11:59AM Form SC 13G/A Proto Labs Inc Filed by: VANGUARD GROUP INC
Jan 31, 2019 02:16PM
Jan 25, 2019 10:51AM
Jan 15, 2019 03:09PM
Feb 14, 2018 10:03AM
Feb 14, 2018 09:45AM
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Feb 12, 2018 08:49AM Form SC 13G/A Proto Labs Inc Filed by: VANGUARD GROUP INC
Jan 29, 2018 10:24AM
Jan 19, 2018 02:35PM
Feb 13, 2017 04:42PM
Feb 13, 2017 06:04AM
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Jan 9, 2017 02:05PM Form SC 13G Proto Labs Inc Filed by: BlackRock Inc.
Oct 5, 2016 03:53PM

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