SEC Filings | Spero Therapeutics, Inc.

Filing date	Description	Form	Filing Group	View
March 21, 2017		D	Other	0001701108-17-000003.pdf 0001701108-17-000003.rtf View HTML
November 09, 2017	A statement of beneficial ownership of common stock by certain persons	SC 13G	3,4,5	0000921895-17-002581.pdf 0000921895-17-002581.rtf 0000921895-17-002581.xls View HTML
November 15, 2017	A statement of beneficial ownership of common stock by certain persons	SC 13G	3,4,5	0000895345-17-000338.pdf 0000895345-17-000338.rtf 0000895345-17-000338.xls View HTML
February 13, 2018	A statement of beneficial ownership of common stock by certain persons	SC 13G	3,4,5	0000315066-18-001574.pdf 0000315066-18-001574.rtf View HTML
February 13, 2018	A statement of beneficial ownership of common stock by certain persons	SC 13G	3,4,5	0001104659-18-008815.pdf 0001104659-18-008815.rtf 0001104659-18-008815.xls View HTML
February 14, 2018	A statement of beneficial ownership of common stock by certain persons	SC 13G	3,4,5	0001193125-18-043019.pdf 0001193125-18-043019.rtf 0001193125-18-043019.xls View HTML
February 14, 2018	A statement of beneficial ownership of common stock by certain persons	SC 13G	3,4,5	0001719755-18-000003.pdf 0001719755-18-000003.rtf 0001719755-18-000003.xls View HTML
February 14, 2018	A statement of beneficial ownership of common stock by certain persons	SC 13G	3,4,5	0001144204-18-009009.pdf 0001144204-18-009009.rtf 0001144204-18-009009.xls View HTML
October 23, 2017	Amended Registration statement for face-amount certificate companies	S-1/A	Registration Statements	0001193125-17-315961.pdf 0001193125-17-315961.rtf 0001193125-17-315961.xls View HTML
July 11, 2018	Amended Registration statement for face-amount certificate companies	S-1/A	Registration Statements	0001193125-18-216210.pdf 0001193125-18-216210.rtf 0001193125-18-216210.xls View HTML

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