Christopher Koeppen

Business address
C/O Coherent Corp., 375 Saxonburg Boulevard, Saxonburg, PA, 16056
Top holdings (ownership)
COHR
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Christopher Koeppen has filed 60 SEC EDGAR filings since 09 Jul 2019

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open Document Open Filing 16 Sep 2025
144 Open Document Open Filing 15 Aug 2025
4 Open Document Open Filing 18 Jul 2025 16 Jul 2025 001-39375
144 Open Document Open Filing 17 Jul 2025
144 Open Document Open Filing 16 Jul 2025
4 Open Document Open Filing 14 May 2025 13 May 2025 001-39375
144 Open Document Open Filing 13 May 2025
4 Open Document Open Filing PRIMARY DOCUMENT 17 Dec 2024 22 Nov 2024 001-39375
144 Open Document Open Filing 16 Dec 2024
4 Open Document Open Filing PRIMARY DOCUMENT 04 Dec 2024 03 Dec 2024 001-39375
144 Open Document Open Filing 03 Dec 2024
144 Open Document Open Filing 22 Nov 2024
4 Open Document Open Filing PRIMARY DOCUMENT 18 Nov 2024 14 Nov 2024 001-39375
144 Open Document Open Filing 15 Nov 2024
144 Open Document Open Filing 14 Nov 2024
4 Open Document Open Filing PRIMARY DOCUMENT 02 Oct 2024 01 Oct 2024 001-39375
144 Open Document Open Filing 01 Oct 2024
4 Open Document Open Filing PRIMARY DOCUMENT 30 Aug 2024 28 Aug 2024 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 15 Aug 2024 13 Aug 2024 001-39375
144 Open Document Open Filing 15 Aug 2024
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2024 01 Jul 2024 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 15 May 2024 15 May 2024 001-39375
144 Open Document Open Filing 15 May 2024
4 Open Document Open Filing PRIMARY DOCUMENT 16 Feb 2024 15 Feb 2024 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 31 Jan 2024 30 Jan 2024 001-39375
144 Open Document Open Filing 30 Jan 2024
4 Open Document Open Filing PRIMARY DOCUMENT 27 Dec 2023 26 Dec 2023 001-39375
144 Open Document Open Filing 26 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 07 Dec 2023 06 Dec 2023 001-39375
144 Open Document Open Filing 06 Dec 2023
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2023 02 Oct 2023 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 15 Sep 2023 14 Sep 2023 001-39375
144 Open Document Open Filing 14 Sep 2023
4 Open Document Open Filing PRIMARY DOCUMENT 05 Sep 2023 31 Aug 2023 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 30 Aug 2023 28 Aug 2023 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 29 Aug 2023 28 Aug 2023 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2023 01 Jul 2023 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 30 Aug 2022 28 Aug 2022 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jul 2022 19 Jul 2022 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jul 2022 01 Jul 2022 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 20 Apr 2022 18 Apr 2022 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 19 Jan 2022 18 Jan 2022 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 31 Aug 2021 28 Aug 2021 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 27 Aug 2021 25 Aug 2021 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 28 May 2021 26 May 2021 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 25 Feb 2021 24 Feb 2021 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 04 Dec 2020 30 Nov 2020 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 10 Nov 2020 09 Nov 2020 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 06 Nov 2020 05 Nov 2020 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 01 Sep 2020 28 Aug 2020 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 20 Aug 2020 18 Aug 2020 001-39375
4 Open Document Open Filing PRIMARY DOCUMENT 09 Jun 2020 05 Jun 2020 000-16195
4 Open Document Open Filing PRIMARY DOCUMENT 21 May 2020 19 May 2020 000-16195
4 Open Document Open Filing PRIMARY DOCUMENT 20 Feb 2020 19 Feb 2020 000-16195
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jan 2020 02 Jan 2020 000-16195
4 Open Document Open Filing PRIMARY DOCUMENT 30 Aug 2019 28 Aug 2019 000-16195
4 Open Document Open Filing PRIMARY DOCUMENT 22 Aug 2019 20 Aug 2019 000-16195
4 Open Document Open Filing PRIMARY DOCUMENT 20 Aug 2019 18 Aug 2019 000-16195
4 Open Document Open Filing PRIMARY DOCUMENT 14 Aug 2019 13 Aug 2019 000-16195
3 Open Document Open Filing PRIMARY DOCUMENT 09 Jul 2019 01 Jul 2019 000-16195