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Spero Therapeutics, Inc. — EFFECT Filings

5 EFFECT filings on record

This page lists all EFFECT 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 5 EFFECT 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
EFFECT — 9999999995-24-000719 Mar 22, 2024 —
EFFECT — 9999999995-21-001188 Mar 29, 2021 —
EFFECT — 9999999995-18-003105 Dec 11, 2018 —
EFFECT — 9999999995-18-001785 Jul 12, 2018 —
EFFECT — 9999999995-17-002842 Nov 1, 2017 —