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Spero Therapeutics, Inc. — S-1/A Filings

2 S-1/A filings on record

This page lists all S-1/A 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 2 S-1/A 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
S-1/A S-1/A 0001193125-18-216210 Jul 11, 2018 —
S-1/A S-1/A 0001193125-17-315961 Oct 23, 2017 —