Prahlad R. Singh

Entity
Individual
Business address
77 4 Th Avenue, Revvity, 02451-7567 Waltham, MA
Insider ownership signature
John L. Healy (POA on file) for Prahlad R. Singh
All SEC filings
View on sec.gov
Get insider transactions for this reporting owner
Prahlad R. Singh has filed 43 SEC EDGAR filings since 10/3/2016

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 Oct 31, 2025 Oct 29, 2025 001-05075
4 Open Document Open Filing PRIMARY DOCUMENT May 19, 2025 May 16, 2025 001-10879
4 Open Document Open Filing 4 Feb 6, 2025 Feb 4, 2025 001-05075
4 Open Document Open Filing 4 Dec 3, 2024 Dec 2, 2024 001-05075
144 Open Document Open Filing Dec 2, 2024
4 Open Document Open Filing PRIMARY DOCUMENT May 21, 2024 May 17, 2024 001-10879
4 Open Document Open Filing PRIMARY DOCUMENT May 15, 2024 May 15, 2024 001-10879
4 Open Document Open Filing 4 Mar 27, 2024 Mar 26, 2024 001-05075
4 Open Document Open Filing 4 Feb 26, 2024 Feb 23, 2024 001-05075
144 Open Document Open Filing Feb 23, 2024
4 Open Document Open Filing 4 Feb 7, 2024 Feb 5, 2024 001-05075
144 Open Document Open Filing Feb 5, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Aug 3, 2023 Aug 3, 2023 001-10879
4/A Open Document Open Filing PRIMARY DOCUMENT Jun 28, 2023 Jan 17, 2023 001-10879
4 Open Document Open Filing PRIMARY DOCUMENT Jun 6, 2023 Jun 5, 2023 001-10879
4/A Open Document Open Filing PRIMARY DOCUMENT Jun 5, 2023 May 22, 2023 001-10879
4 Open Document Open Filing PRIMARY DOCUMENT May 22, 2023 May 19, 2023 001-10879
4 Open Document Open Filing FORM 4 SUBMISSION Feb 21, 2023 Feb 16, 2023 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 1, 2023 Jan 30, 2023 001-05075
4 Open Document Open Filing PRIMARY DOCUMENT Jan 17, 2023 Jan 12, 2023 001-10879
3 Open Document Open Filing PRIMARY DOCUMENT Jan 17, 2023 Jan 12, 2023 001-10879
4 Open Document Open Filing FORM 4 SUBMISSION Dec 23, 2022 Dec 21, 2022 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION May 27, 2022 Aug 20, 2021 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 8, 2022 Feb 4, 2022 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Apr 7, 2021 Apr 6, 2021 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 8, 2021 Feb 5, 2021 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 2, 2021 Feb 1, 2021 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Jan 7, 2021 Jan 5, 2021 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Apr 7, 2020 Apr 6, 2020 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 10, 2020 Feb 7, 2020 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Jan 31, 2020 Jan 30, 2020 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Apr 10, 2019 Apr 9, 2019 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 19, 2019 Feb 15, 2019 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 7, 2019 Feb 5, 2019 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 16, 2018 Feb 15, 2018 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 7, 2018 Feb 5, 2018 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 1, 2018 Jan 30, 2018 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION May 16, 2017 May 15, 2017 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 21, 2017 Feb 17, 2017 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 16, 2017 Feb 15, 2017 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 8, 2017 Feb 7, 2017 001-05075
4 Open Document Open Filing FORM 4 SUBMISSION Feb 6, 2017 Feb 3, 2017 001-05075
3 Open Document Open Filing FORM 3 SUBMISSION Oct 3, 2016 Oct 3, 2016 001-05075