Spero Therapeutics, Inc. reports

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 508 SEC EDGAR filings since 21 Mar 2017

SEC filing history

Showing 276-300 of 508 matching filings.

Per page
25
Current page
12
S-3 File 333-254170

S-3

Filing date
11 Mar 2021
Reporting date
Not listed
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SC 13D/A File 005-90168

AMENDED ACQUISITION OF BENEFICIAL OWNERSHIP

Filing date
16 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-90168

SC 13G/A filing

Filing date
16 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-90168

AMENDMENT NO. 3 TO THE SCHEDULE 13G

Filing date
16 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-90168

SC 13G/A

Filing date
10 Feb 2021
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
10 Feb 2021
Reporting date
08 Feb 2021
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4

PRIMARY DOCUMENT

Filing date
04 Feb 2021
Reporting date
01 Feb 2021
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4

FORM 4 SUBMISSION

Filing date
03 Feb 2021
Reporting date
01 Feb 2021
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4

FORM 4 SUBMISSION

Filing date
03 Feb 2021
Reporting date
01 Feb 2021
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4

FORM 4 SUBMISSION

Filing date
03 Feb 2021
Reporting date
01 Feb 2021
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4

FORM 4 SUBMISSION

Filing date
03 Feb 2021
Reporting date
01 Feb 2021
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SC 13G File 005-90168

SC 13G filing

Filing date
02 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-90168

SC 13G/A

Filing date
02 Feb 2021
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
06 Jan 2021
Reporting date
04 Jan 2021
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4

FORM 4 SUBMISSION

Filing date
06 Jan 2021
Reporting date
04 Jan 2021
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4

FORM 4 SUBMISSION

Filing date
06 Jan 2021
Reporting date
04 Jan 2021
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4

FORM 4 SUBMISSION

Filing date
06 Jan 2021
Reporting date
04 Jan 2021
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4

FORM 4 SUBMISSION

Filing date
05 Jan 2021
Reporting date
04 Jan 2021
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3

FORM 3 SUBMISSION

Filing date
05 Jan 2021
Reporting date
04 Jan 2021
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4

PRIMARY DOCUMENT

Filing date
18 Dec 2020
Reporting date
16 Dec 2020
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4

FORM 4 SUBMISSION

Filing date
18 Dec 2020
Reporting date
16 Dec 2020
SEC evidence
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