Spero Therapeutics, Inc. (SPRO)

CIK 1701108 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Spero Therapeutics, Inc..

Recent SEC filings

FiledFormAccession number
Sep 10, 2026EFFECT9999999995-26-002937
Aug 28, 20268-K0001193125-26-374788
Aug 28, 2026S-30001193125-26-374702
Aug 12, 202610-Q0001193125-26-346795
Aug 12, 20268-K0001193125-26-346855
Aug 6, 202640001807743-26-000007
Aug 6, 202630001807743-26-000005
Jul 14, 20268-K0001193125-26-302473
Jun 25, 202640001193125-26-283202
Jun 25, 202640001193125-26-283245
Jun 25, 202640001193125-26-283209
Jun 25, 202640001193125-26-283226
Jun 25, 202640001193125-26-283230
Jun 25, 202640001193125-26-283198
Jun 25, 20268-K0001193125-26-283033
Jun 25, 202640001193125-26-283238
Jun 23, 2026S-80001193125-26-279429
Jun 22, 20268-K0001193125-26-277506
May 13, 20268-K0001193125-26-221567
May 13, 202610-Q0001193125-26-221591
May 6, 202640001193125-26-209884
Apr 27, 2026ARS0001193125-26-182287
Apr 27, 2026DEFA14A0001193125-26-182256
Apr 27, 2026DEF 14A0001193125-26-182201
Apr 13, 2026PRE 14A0001193125-26-153115