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 506 SEC EDGAR filings since 21 Mar 2017

SEC filing history

Showing 126-150 of 506 matching filings.

Per page
25
Current page
6
4

4

Filing date
15 Sep 2023
Reporting date
13 Sep 2023
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ARS File 001-38266

ARS

Filing date
01 Sep 2023
Reporting date
31 Dec 2022
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DEF 14A File 001-38266

DEF 14A

Filing date
01 Sep 2023
Reporting date
05 Oct 2023
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4

4

Filing date
30 Aug 2023
Reporting date
28 Aug 2023
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4

4

Filing date
30 Aug 2023
Reporting date
28 Aug 2023
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4

4

Filing date
30 Aug 2023
Reporting date
28 Aug 2023
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4

4

Filing date
30 Aug 2023
Reporting date
28 Aug 2023
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144 File 001-38266

144 filing

Filing date
29 Aug 2023
Reporting date
Not listed
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PRE 14A File 001-38266

PRE 14A

Filing date
22 Aug 2023
Reporting date
05 Oct 2023
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S-8 File 333-273880

S-8

Filing date
10 Aug 2023
Reporting date
Not listed
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4

4

Filing date
03 Aug 2023
Reporting date
01 Aug 2023
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3

3

Filing date
24 Jul 2023
Reporting date
15 Jul 2023
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4

4

Filing date
14 Jun 2023
Reporting date
12 Jun 2023
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S-8 File 333-271000

S-8

Filing date
30 Mar 2023
Reporting date
Not listed
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SC 13G/A File 005-90168

AMENDMENT NO. 5 TO THE SCHEDULE 13G

Filing date
14 Feb 2023
Reporting date
Not listed
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SC 13G/A File 005-90168

SC 13G/A filing

Filing date
14 Feb 2023
Reporting date
Not listed
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