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Jan 23, 2025 03:56PM Form SCHEDULE 13G Proto Labs Inc Filed by: DIMENSIONAL FUND ADVISORS LP
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Feb 14, 2023 03:42PM Form SC 13G/A Proto Labs Inc Filed by: DISCIPLINED GROWTH INVESTORS INC /MN
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Feb 14, 2022 03:52PM Form SC 13G/A Proto Labs Inc Filed by: BROWN CAPITAL MANAGEMENT LLC
Feb 14, 2022 06:24AM
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Jan 21, 2022 01:57PM Form SC 13G/A Proto Labs Inc Filed by: RIVERBRIDGE PARTNERS LLC
Jun 10, 2021 10:56AM
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Feb 5, 2021 06:11AM Form SC 13G Proto Labs Inc Filed by: Sumitomo Mitsui Trust Holdings, Inc.
Jan 25, 2021 04:53PM
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Feb 4, 2020 12:32PM Form SC 13G/A Proto Labs Inc Filed by: BlackRock Inc.
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Feb 14, 2018 10:03AM Form SC 13G/A Proto Labs Inc Filed by: LUKIS LAWRENCE J
Feb 14, 2018 09:45AM

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