EdgarLookup

Spero Therapeutics, Inc. — 8-K Filings

109 8-K filings on record

This page lists all 8-K filings submitted to the SEC by Spero Therapeutics, Inc. (SPRO), sorted by most recent first. Each row links to the full filing on EdgarLookup. Spero Therapeutics, Inc. has filed 109 8-K documents with the SEC since 2017. To view all SEC filings by Spero Therapeutics, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 144 3 4 424B4 424B5 8-A12B 8-K 8-K/A ARS CERTNAS CORRESP CT ORDER D DEF 14A DEFA14A DRS DRS/A DRSLTR EFFECT PRE 14A S-1 S-1/A S-3 S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
8-K 8-K 0001193125-26-126244 Mar 26, 2026
8-K 8-K 0001193125-26-032004 Jan 30, 2026
8-K 8-K 0001193125-25-325821 Dec 19, 2025
8-K 8-K 0001193125-25-280518 Nov 13, 2025
8-K 8-K 0001193125-25-178970 Aug 12, 2025
8-K 8-K 0001193125-25-142807 Jun 18, 2025 Jun 12, 2025
8-K 8-K 0001193125-25-128680 May 28, 2025
8-K 8-K 0001193125-25-118882 May 13, 2025
8-K 8-K 0001193125-25-100433 Apr 28, 2025 Apr 22, 2025
8-K 8-K 0001193125-25-065633 Mar 27, 2025
8-K 8-K 0001193125-25-042785 Feb 28, 2025 Feb 25, 2025
8-K 8-K 0001193125-25-004063 Jan 10, 2025 Jan 7, 2025
8-K 8-K 0001193125-24-258540 Nov 14, 2024
8-K 8-K 0001193125-24-246627 Oct 29, 2024
8-K 8-K 0001193125-24-216310 Sep 10, 2024 Sep 9, 2024
8-K 8-K 0001193125-24-193913 Aug 5, 2024
8-K 8-K 0001193125-24-153034 Jun 3, 2024 May 29, 2024
8-K 8-K 0001193125-24-139364 May 15, 2024
8-K 8-K 0001193125-24-082060 Mar 29, 2024
8-K 8-K 0001193125-24-066825 Mar 13, 2024
8-K 8-K 0001193125-24-029913 Feb 9, 2024 Feb 5, 2024
8-K 8-K 0001193125-24-003807 Jan 8, 2024
8-K 8-K 0001193125-24-002894 Jan 5, 2024
8-K 8-K 0001193125-24-000249 Jan 2, 2024
8-K 8-K 0001193125-23-276030 Nov 13, 2023
8-K 8-K 0001193125-23-267758 Nov 1, 2023 Oct 30, 2023
8-K 8-K 0001193125-23-253136 Oct 10, 2023 Oct 5, 2023
8-K 8-K 0001193125-23-209064 Aug 10, 2023
8-K 8-K 0001193125-23-198589 Jul 31, 2023
8-K 8-K 0001193125-23-166543 Jun 14, 2023 Jun 12, 2023
8-K 8-K 0001193125-23-142023 May 11, 2023
8-K 8-K 0001193125-23-085566 Mar 30, 2023
8-K 8-K 0001193125-23-021612 Feb 1, 2023 Jan 30, 2023
8-K 8-K 0001193125-23-004190 Jan 9, 2023
8-K 8-K 0001193125-22-284579 Nov 14, 2022
8-K 8-K 0001193125-22-279724 Nov 8, 2022
8-K 8-K 0001193125-22-248772 Sep 22, 2022 Sep 21, 2022
8-K 8-K 0001193125-22-247168 Sep 19, 2022 Sep 15, 2022
8-K 8-K 0001193125-22-238439 Sep 6, 2022
8-K 8-K 0001193125-22-217351 Aug 10, 2022
8-K 8-K 0001193125-22-187190 Jul 1, 2022
8-K 8-K 0001193125-22-182828 Jun 27, 2022
8-K 8-K 0001193125-22-169252 Jun 7, 2022
8-K 8-K 0001193125-22-151708 May 16, 2022
8-K 8-K 0001193125-22-137586 May 3, 2022
8-K 8-K 0001193125-22-097712 Apr 7, 2022 Apr 6, 2022
8-K 8-K 0001193125-22-091793 Mar 31, 2022
8-K 8-K 0001193125-22-044007 Feb 16, 2022
8-K 8-K 0001193125-22-016568 Jan 25, 2022
8-K 8-K 0001193125-22-011967 Jan 19, 2022