James Bylund

Business address
C/O Repligen Corporation, 41 Syon St. Bldg. Suite 100, Waltham, MA, 02453
Top holdings (ownership)
RGEN
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James Bylund has filed 24 SEC EDGAR filings since 08 Mar 2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 19 Nov 2025 18 Nov 2025 000-14656
144 Open Document Open Filing 18 Nov 2025
4 Open Document Open Filing 4 02 Apr 2025 01 Apr 2025 000-14656
4 Open Document Open Filing 4 20 Mar 2025 13 Mar 2025 000-14656
4 Open Document Open Filing 4 04 Mar 2025 03 Mar 2025 000-14656
4 Open Document Open Filing 4 28 Feb 2025 27 Feb 2025 000-14656
4 Open Document Open Filing 4 25 Feb 2025 24 Feb 2025 000-14656
4 Open Document Open Filing 4 04 Apr 2024 02 Apr 2024 000-14656
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024 000-14656
4 Open Document Open Filing 4 06 Mar 2024 04 Mar 2024 000-14656
4 Open Document Open Filing 4 05 Mar 2024 01 Mar 2024 000-14656
4 Open Document Open Filing 4 04 Mar 2024 29 Feb 2024 000-14656
4 Open Document Open Filing 4 29 Feb 2024 27 Feb 2024 000-14656
4 Open Document Open Filing 4 26 Feb 2024 23 Feb 2024 000-14656
144 Open Document Open Filing 23 Feb 2024
4 Open Document Open Filing FORM 4 SUBMISSION 04 Apr 2023 04 Apr 2023 000-14656
4 Open Document Open Filing FORM 4 SUBMISSION 06 Mar 2023 02 Mar 2023 000-14656
4 Open Document Open Filing FORM 4 SUBMISSION 28 Feb 2023 28 Feb 2023 000-14656
4 Open Document Open Filing FORM 4 SUBMISSION 04 Aug 2022 03 Aug 2022 000-14656
4 Open Document Open Filing FORM 4 SUBMISSION 04 Apr 2022 01 Apr 2022 000-14656
4 Open Document Open Filing FORM 4 SUBMISSION 28 Feb 2022 24 Feb 2022 000-14656
4 Open Document Open Filing FORM 4 SUBMISSION 22 Feb 2022 17 Feb 2022 000-14656
4 Open Document Open Filing FORM 4 SUBMISSION 08 Apr 2021 06 Apr 2021 000-14656
3 Open Document Open Filing FORM 3 SUBMISSION 08 Mar 2021 25 Feb 2021 000-14656