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Spero Therapeutics SEC Filings & 10K Form (NASDAQ:SPRO)

$8.08
+0.08 (+1.00 %)
(As of 04/1/2020 02:23 AM ET)
Today's Range
$7.33
Now: $8.08
$8.10
50-Day Range
$5.27
MA: $8.37
$10.41
52-Week Range
$5.25
Now: $8.08
$14.48
Volume84,800 shs
Average Volume98,087 shs
Market Capitalization$164.25 million
P/E RatioN/A
Dividend YieldN/A
Beta1.59

SEC Filings

Spero Therapeutics (NASDAQ:SPRO) SEC Filings

DateFilerForm TypeView
03/16/2020
7:23 AM
Spero Therapeutics (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/11/2020
7:30 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/11/2020
6:01 AM
Spero Therapeutics (Filer)
Form 424B5
02/04/2020
1:56 PM
Atlas Venture Fund IX, L.P. (Filed by)
Spero Therapeutics (Subject)
Form SC 13G/A
02/03/2020
4:33 PM
Melnick David A. (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
4:32 PM
Mahadevia Ankit (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
4:32 PM
Larkin Cristina (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/03/2020
4:28 PM
Keutzer Timothy (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/30/2020
7:08 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/13/2020
3:19 PM
Keutzer Timothy (Reporting)
Spero Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
01/06/2020
6:09 PM
Spero Therapeutics (Issuer)
THOMAS FRANK E (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2020
6:06 PM
FORMELA JEAN FRANCOIS (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2020
6:05 PM
Spero Therapeutics (Issuer)
VINK PATRICK V.J.J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/06/2020
6:03 PM
Deshpande Milind (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/19/2019
4:01 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/05/2019
7:31 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/08/2019
4:07 PM
DiPalma Stephen J. (Reporting)
Spero Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
11/04/2019
3:13 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/04/2019
3:01 PM
Spero Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
10/03/2019
11:19 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/06/2019
7:45 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/08/2019
3:01 PM
Spero Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
06/13/2019
8:15 PM
Spero Therapeutics (Filer)
Form 424B5
06/13/2019
7:13 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/06/2019
3:40 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/05/2019
5:54 PM
Smith Cynthia (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
5:53 PM
Pottage John C Jr (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
5:50 PM
Spero Therapeutics (Issuer)
THOMAS FRANK E (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
5:48 PM
FORMELA JEAN FRANCOIS (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
5:47 PM
Deshpande Milind (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/05/2019
5:45 PM
Spero Therapeutics (Issuer)
VINK PATRICK V.J.J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/09/2019
3:11 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/09/2019
3:01 PM
Spero Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
04/26/2019
3:22 PM
Spero Therapeutics (Filer)
Form DEF 14A
04/18/2019
4:03 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/01/2019
2:04 PM
Spero Therapeutics (Filer)
Form CT ORDER
03/29/2019
6:29 PM
Smith Cynthia (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/29/2019
3:54 PM
Spero Therapeutics (Filer)
Form 8-K/A
03/19/2019
4:28 PM
Smith Cynthia (Reporting)
Spero Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
03/19/2019
7:11 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/14/2019
3:53 PM
Spero Therapeutics (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
03/14/2019
3:50 PM
Spero Therapeutics (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
03/14/2019
3:11 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/14/2019
3:04 PM
Spero Therapeutics (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/14/2019
4:13 PM
RA CAPITAL MANAGEMENT, LLC (Filed by)
Spero Therapeutics (Subject)
Form SC 13G/A
02/14/2019
3:55 PM
BIOTECHNOLOGY VALUE FUND L P (Filed by)
Spero Therapeutics (Subject)
Form SC 13G/A
02/08/2019
5:01 AM
Atlas Venture Fund IX, L.P. (Filed by)
Spero Therapeutics (Subject)
Form SC 13G/A
01/07/2019
4:01 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/02/2019
6:23 PM
Parr Thomas R JR (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2019
6:20 PM
Melnick David A. (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2019
6:18 PM
Larkin Cristina (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2019
6:16 PM
Sendek Joel (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2019
6:12 PM
Mahadevia Ankit (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2018
11:15 PM
Spero Therapeutics (Filer)
Form EFFECT
12/11/2018
9:23 AM
Spero Therapeutics (Filer)
Form CT ORDER
12/03/2018
4:18 PM
Spero Therapeutics (Filer)
Form S-3
Registration statement under Securities Act of 1933  
11/16/2018
8:01 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/13/2018
7:46 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/08/2018
3:15 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/08/2018
3:02 PM
Spero Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
09/27/2018
3:08 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/21/2018
4:38 PM
Pottage John C Jr (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/21/2018
4:29 PM
Pottage John C Jr (Reporting)
Spero Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
09/19/2018
3:39 PM
GLAXOSMITHKLINE PLC (Filed by)
Spero Therapeutics (Subject)
Form SC 13D/A
08/14/2018
7:09 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/09/2018
3:21 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/09/2018
3:01 PM
Spero Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
07/17/2018
4:01 PM
GLAXOSMITHKLINE PLC (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/17/2018
4:00 PM
GLAXOSMITHKLINE PLC (Filed by)
Spero Therapeutics (Subject)
Form SC 13D/A
07/17/2018
3:31 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/16/2018
6:13 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/12/2018
11:15 PM
Spero Therapeutics (Filer)
Form EFFECT
07/11/2018
4:30 PM
Spero Therapeutics (Filer)
Form S-1/A
07/09/2018
3:21 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/09/2018
3:05 PM
Spero Therapeutics (Filer)
Form S-1
Registration statement under Securities Act of 1933  
07/09/2018
6:38 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/06/2018
8:45 PM
Larkin Cristina (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/06/2018
8:44 PM
Sendek Joel (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/06/2018
8:41 PM
Mahadevia Ankit (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/06/2018
7:02 PM
Spero Therapeutics (Issuer)
THOMAS FRANK E (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/06/2018
7:01 PM
FORMELA JEAN FRANCOIS (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/06/2018
7:01 PM
SOUTHWELL DAVID P (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/06/2018
7:01 PM
Breum Casper (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/06/2018
7:00 PM
Deshpande Milind (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/06/2018
7:00 PM
Spero Therapeutics (Issuer)
VINK PATRICK V.J.J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/10/2018
3:13 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/10/2018
3:03 PM
Spero Therapeutics (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
04/27/2018
7:20 AM
Spero Therapeutics (Filer)
Form DEF 14A
04/02/2018
4:11 PM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/02/2018
3:02 PM
Spero Therapeutics (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/30/2018
4:30 PM
SOUTHWELL DAVID P (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/14/2018
3:30 PM
Atlas Venture Fund X, L.P. (Filed by)
Spero Therapeutics (Subject)
Form SC 13D
02/13/2018
10:04 AM
Atlas Venture Associates IX, L.P. (Filed by)
Spero Therapeutics (Subject)
Form SC 13G
02/06/2018
5:09 PM
SOUTHWELL DAVID P (Reporting)
Spero Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
02/01/2018
7:30 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/23/2018
7:00 AM
Spero Therapeutics (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/05/2018
9:11 AM
Melnick David A. (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/05/2018
9:03 AM
Melnick David A. (Reporting)
Spero Therapeutics (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
12/15/2017
3:07 PM
Larkin Cristina (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/15/2017
3:06 PM
Sendek Joel (Reporting)
Spero Therapeutics (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
This page was last updated on 4/1/2020 by MarketBeat.com Staff

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