Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Cambridge, MA
SEC filing record 1 source field available
Fiscal year end
31 December
Spero Therapeutics, Inc. has filed 506 SEC EDGAR filings since 21 Mar 2017

SEC filing history

Showing 176-200 of 506 matching filings.

Per page
25
Current page
8
4

FORM 4 SUBMISSION

Filing date
19 Sep 2022
Reporting date
15 Sep 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
19 Sep 2022
Reporting date
15 Sep 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
19 Sep 2022
Reporting date
15 Sep 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
19 Sep 2022
Reporting date
15 Sep 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
14 Sep 2022
Reporting date
12 Sep 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
14 Sep 2022
Reporting date
12 Sep 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
30 Aug 2022
Reporting date
29 Aug 2022
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DEFA14A File 001-38266

DEFA14A

Filing date
05 Aug 2022
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-38266

DEF 14A

Filing date
05 Aug 2022
Reporting date
15 Sep 2022
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SC 13G File 005-90168

SC 13G filing

Filing date
08 Jul 2022
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
28 Apr 2022
Reporting date
26 Apr 2022
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4

PRIMARY DOCUMENT

Filing date
31 Mar 2022
Reporting date
30 Mar 2022
SEC evidence
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