Spero Therapeutics, Inc. reports

Location
675 Massachusetts Avenue, 14 Th Floor, Cambridge, MA
State of incorporation
DE
Fiscal year end
December 31
Data updated at
11/14/2024, 04:07 PM
Form type Sec Links Description Filing date Reporting date
10-Q Report | Data 10-Q Nov 14, 2024 Sep 30, 2024
8-K Report | Data 8-K Oct 29, 2024 Oct 29, 2024
8-K Report | Data 8-K Sep 10, 2024 Sep 9, 2024
10-Q Report | Data 10-Q Aug 5, 2024 Jun 30, 2024
8-K Report | Data 8-K Aug 5, 2024 Aug 5, 2024
8-K Report | Data 8-K Jun 3, 2024 May 29, 2024
8-K Report | Data 8-K May 15, 2024 May 15, 2024
10-Q Report | Data 10-Q May 15, 2024 Mar 31, 2024
8-K Report | Data 8-K Mar 29, 2024 Mar 29, 2024
10-K Report | Data 10-K Mar 13, 2024 Dec 31, 2023
8-K Report | Data 8-K Mar 13, 2024 Mar 13, 2024
SC 13G Report SC 13G Feb 14, 2024
8-K Report | Data 8-K Feb 9, 2024 Feb 5, 2024
8-K Report | Data 8-K Jan 8, 2024 Jan 8, 2024
8-K Report | Data 8-K Jan 5, 2024 Jan 5, 2024
8-K Report | Data 8-K Jan 2, 2024 Jan 2, 2024
8-K Report | Data 8-K Nov 13, 2023 Nov 13, 2023
10-Q Report | Data 10-Q Nov 13, 2023 Sep 30, 2023
8-K Report | Data 8-K Nov 1, 2023 Oct 30, 2023
8-K/A Report | Data 8-K/A Oct 16, 2023 Oct 5, 2023
8-K Report | Data 8-K Oct 10, 2023 Oct 5, 2023
8-K Report | Data 8-K Aug 10, 2023 Aug 10, 2023
10-Q Report | Data 10-Q Aug 10, 2023 Jun 30, 2023
8-K Report | Data 8-K Jul 31, 2023 Jul 31, 2023
8-K Report | Data 8-K Jun 14, 2023 Jun 12, 2023
8-K Report | Data 8-K May 11, 2023 May 11, 2023
10-Q Report | Data 10-Q May 11, 2023 Mar 31, 2023
8-K Report | Data 8-K Mar 30, 2023 Mar 30, 2023
10-K Report | Data 10-K Mar 30, 2023 Dec 31, 2022
SC 13G/A Report AMENDMENT NO. 5 TO THE SCHEDULE 13G Feb 14, 2023
SC 13G/A Report Feb 14, 2023
8-K Report | Data 8-K Feb 1, 2023 Jan 30, 2023
SC 13D/A Report SCHEDULE 13D/A Jan 20, 2023
8-K Report | Data 8-K Jan 9, 2023 Jan 9, 2023
SC 13D/A Report SCHEDULE 13D/A Nov 14, 2022
8-K Report | Data 8-K Nov 14, 2022 Nov 14, 2022
10-Q Report | Data 10-Q Nov 14, 2022 Sep 30, 2022
8-K Report | Data 8-K Nov 8, 2022 Nov 8, 2022
SC 13G/A Report Oct 3, 2022
8-K Report | Data 8-K Sep 22, 2022 Sep 21, 2022
8-K Report | Data 8-K Sep 19, 2022 Sep 15, 2022
8-K Report | Data 8-K Sep 6, 2022 Sep 6, 2022
8-K Report | Data 8-K Aug 10, 2022 Aug 10, 2022
10-Q Report | Data 10-Q Aug 10, 2022 Jun 30, 2022
SC 13G Report Jul 8, 2022
8-K Report | Data 8-K Jul 1, 2022 Jul 1, 2022
8-K Report | Data 8-K Jun 27, 2022 Jun 27, 2022
8-K Report | Data 8-K Jun 7, 2022 Jun 7, 2022
8-K Report | Data 8-K May 16, 2022 May 16, 2022
10-Q Report | Data 10-Q May 16, 2022 Mar 31, 2022
8-K Report | Data 8-K May 3, 2022 May 3, 2022
8-K Report | Data 8-K Apr 7, 2022 Apr 6, 2022
8-K Report | Data 8-K Mar 31, 2022 Mar 31, 2022
10-K Report | Data 10-K Mar 31, 2022 Dec 31, 2021
SC 13G/A Report Mar 9, 2022
8-K Report | Data 8-K Feb 16, 2022 Feb 16, 2022
SC 13G/A Report Feb 14, 2022
SC 13G/A Report AMENDMENT NO. 4 TO THE SCHEDULE 13G Feb 14, 2022
SC 13G/A Report Feb 3, 2022
SC 13G/A Report SCHEDULE 13G/A Jan 25, 2022
8-K Report | Data 8-K Jan 25, 2022 Jan 25, 2022
8-K Report | Data 8-K Jan 19, 2022 Jan 19, 2022
8-K Report | Data 8-K Jan 4, 2022 Jan 3, 2022
8-K Report | Data 8-K Nov 10, 2021 Nov 10, 2021
10-Q Report | Data 10-Q Nov 10, 2021 Sep 30, 2021
8-K Report | Data 8-K Oct 28, 2021 Oct 27, 2021
8-K Report | Data 8-K Oct 12, 2021 Oct 11, 2021
8-K Report | Data 8-K Sep 30, 2021 Sep 29, 2021
SC 13D/A Report AMENDMENT TO FORM SC 13D Sep 16, 2021
8-K Report | Data 8-K Aug 30, 2021 Aug 26, 2021
8-K Report | Data 8-K Aug 18, 2021 Aug 17, 2021
8-K Report | Data 8-K Aug 5, 2021 Aug 5, 2021
10-Q Report | Data 10-Q Aug 5, 2021 Jun 30, 2021
SC 13G Report SC 13G SPERO THERAPEUTICS, INC. Jul 9, 2021
8-K Report | Data 8-K Jul 1, 2021 Jun 30, 2021
8-K Report | Data 8-K May 6, 2021 May 6, 2021
10-Q Report | Data 10-Q Q1 2021 May 6, 2021 Mar 31, 2021
10-K/A Report 10-K/A Mar 23, 2021 Dec 31, 2020
8-K Report | Data 8-K Mar 11, 2021 Mar 11, 2021
10-K Report | Data 10-K Mar 11, 2021 Dec 31, 2020
SC 13D/A Report AMENDED ACQUISITION OF BENEFICIAL OWNERSHIP Feb 16, 2021
SC 13G/A Report Feb 16, 2021
SC 13G/A Report AMENDMENT NO. 3 TO THE SCHEDULE 13G Feb 16, 2021
SC 13G/A Report SC 13G/A Feb 10, 2021
8-K Report | Data 8-K Feb 5, 2021 Feb 5, 2021
SC 13G Report Feb 2, 2021
SC 13G/A Report SC 13G/A Feb 2, 2021
8-K Report | Data 8-K Jan 19, 2021 Jan 15, 2021
8-K Report | Data 8-K Dec 17, 2020 Dec 9, 2020
SC 13D/A Report AMENDMENT NO. 5 TO SC 13D Dec 7, 2020
8-K Report | Data 8-K Dec 3, 2020 Dec 3, 2020
8-K Report | Data 8-K Nov 5, 2020 Nov 5, 2020
10-Q Report | Data 10-Q Nov 5, 2020 Sep 30, 2020
8-K Report | Data 8-K Oct 28, 2020 Oct 27, 2020
SC 13G/A Report Sep 23, 2020
8-K Report | Data 8-K Sep 16, 2020 Sep 16, 2020
8-K Report | Data 8-K Sep 14, 2020 Sep 10, 2020
8-K Report | Data 8-K Sep 9, 2020 Sep 9, 2020
8-K Report | Data 8-K Sep 8, 2020 Sep 8, 2020
8-K Report | Data 8-K Aug 6, 2020 Aug 6, 2020
10-Q Report | Data 10-Q Aug 6, 2020 Jun 30, 2020
SC 13D/A Report AMENDMENT TO FORM SC 13D Jun 4, 2020
8-K Report 8-K Jun 4, 2020 Jun 4, 2020
8-K/A Report 8-K/A May 11, 2020 Apr 16, 2020
8-K Report 8-K May 8, 2020 May 8, 2020
10-Q Report | Data 10-Q May 8, 2020 Mar 31, 2020
8-K Report 8-K Apr 16, 2020 Apr 16, 2020
8-K Report 8-K Mar 16, 2020 Mar 16, 2020
10-K Report | Data 10-K Mar 16, 2020 Dec 31, 2019
8-K Report 8-K Feb 28, 2020 Feb 28, 2020
SC 13G/A Report AMENDMENT NO. 2 TO THE SCHEDULE 13G Feb 18, 2020
SC 13D/A Report AMENDMENT TO FORM SC 13D Feb 14, 2020
SC 13G/A Report Feb 14, 2020
8-K Report 8-K Feb 11, 2020 Feb 11, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 4, 2020
SC 13G/A Report SC 13G/A Jan 31, 2020
8-K Report 8-K Jan 30, 2020 Jan 30, 2020
8-K Report 8-K Dec 19, 2019 Dec 16, 2019
8-K Report 8-K Dec 5, 2019 Dec 5, 2019
8-K Report 8-K Nov 4, 2019 Nov 4, 2019
10-Q Report | Data 10-Q Nov 4, 2019 Sep 30, 2019
8-K Report 8-K Oct 3, 2019 Oct 3, 2019
8-K Report 8-K Sep 6, 2019 Sep 4, 2019
8-K Report 8-K Aug 8, 2019 Aug 8, 2019
10-Q Report | Data 10-Q Aug 8, 2019 Jun 30, 2019
8-K Report 8-K Jun 13, 2019 Jun 12, 2019
8-K Report 8-K Jun 6, 2019 Jun 5, 2019
8-K Report 8-K May 9, 2019 May 9, 2019
10-Q Report | Data 10-Q May 9, 2019 Mar 31, 2019
8-K Report 8-K Apr 18, 2019 Apr 18, 2019
8-K/A Report FORM 8-K/A Mar 29, 2019 Mar 19, 2019
8-K Report 8-K Mar 19, 2019 Mar 19, 2019
8-K Report 8-K Mar 14, 2019 Mar 14, 2019
10-K Report | Data 10-K Mar 14, 2019 Dec 31, 2018
SC 13G/A Report SC 13G/A Feb 14, 2019
SC 13G/A Report AMENDMENT NO. 1 TO THE SCHEDULE 13G Feb 14, 2019
SC 13G/A Report SC 13G/A Feb 14, 2019
SC 13G/A Report Feb 13, 2019
SC 13G/A Report SC 13G/A Feb 8, 2019
8-K Report FORM 8-K Jan 7, 2019 Jan 4, 2019
8-K Report 8-K Nov 16, 2018 Nov 15, 2018
8-K Report 8-K Nov 13, 2018 Nov 13, 2018
8-K Report 8-K Nov 8, 2018 Nov 8, 2018
10-Q Report | Data 10-Q Nov 8, 2018 Sep 30, 2018
8-K Report 8-K Sep 27, 2018 Sep 27, 2018
SC 13D/A Report Sep 19, 2018
8-K Report FORM 8-K Aug 14, 2018 Aug 14, 2018
8-K Report 8-K Aug 9, 2018 Aug 9, 2018
10-Q Report | Data 10-Q Aug 9, 2018 Jun 30, 2018
SC 13D/A Report Jul 17, 2018
8-K Report 8-K Jul 17, 2018 Jul 17, 2018
8-K Report 8-K Jul 16, 2018 Jul 16, 2018
8-K Report 8-K Jul 9, 2018 Jul 9, 2018
8-K Report 8-K Jul 9, 2018 Jul 9, 2018
8-K Report FORM 8-K Jun 8, 2018 Jun 5, 2018
8-K Report 8-K May 10, 2018 May 10, 2018
10-Q Report | Data SPERO THERAPEUTICS, INC. Q1 2018 10-Q May 10, 2018 Mar 31, 2018
8-K Report 8-K Apr 2, 2018 Apr 2, 2018
10-K Report | Data 10-K Apr 2, 2018 Dec 31, 2017
SC 13D Report SC 13D Mar 14, 2018
SC 13G Report SC 13G Feb 14, 2018
SC 13G Report SC 13G Feb 14, 2018
SC 13G Report SC 13G Feb 14, 2018
SC 13G Report SC 13G Feb 13, 2018
SC 13G Report Feb 13, 2018
8-K Report 8-K Feb 1, 2018 Feb 1, 2018
8-K Report 8-K Jan 23, 2018 Jan 17, 2018
8-K Report 8-K Dec 14, 2017 Dec 14, 2017
10-Q Report | Data FORM 10-Q Dec 14, 2017 Sep 30, 2017
SC 13D Report Nov 16, 2017
SC 13G Report Nov 15, 2017
SC 13G Report THE SCHEDULE 13G Nov 9, 2017
8-K Report FORM 8-K Nov 6, 2017 Nov 6, 2017