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NASDAQ:PRTA

Prothena SEC Filings & 10K Form

$22.98
+1.35 (+6.24 %)
(As of 05/14/2021 12:00 AM ET)
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Today's Range
$21.30
$23.24
50-Day Range
$21.63
$28.24
52-Week Range
$9.25
$28.66
Volume219,547 shs
Average Volume421,637 shs
Market Capitalization$1.02 billion
P/E RatioN/A
Dividend YieldN/A
Beta1.71

SEC Filings

Prothena (NASDAQ:PRTA) SEC Filings

DateFilerForm TypeView
05/11/2021
3:21 PM
Prothena (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
04/20/2021
7:05 AM
Prothena (Filer)
Form CT ORDER
04/07/2021
4:41 PM
Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/07/2021
4:40 PM
Garren Hideki (Reporting)
Prothena (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
03/25/2021
10:14 AM
EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/23/2021
4:13 PM
Prothena (Filer)
Form 424B5
03/23/2021
3:27 PM
Prothena (Filer)
Form S-3ASR
02/26/2021
4:14 PM
Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/26/2021
4:11 PM
Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/26/2021
4:08 PM
Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/26/2021
3:40 PM
Prothena (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/25/2021
5:00 PM
EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/23/2021
2:57 PM
EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
Form 4/A
02/22/2021
3:24 PM
EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/19/2021
5:39 PM
Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
6:14 PM
EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:47 PM
Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:46 PM
Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:45 PM
Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:45 PM
COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:44 PM
Prothena (Issuer)
Tripuraneni Radhika (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:43 PM
Ekman Lars (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:42 PM
Harfstrand Karl Anders Olof (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:42 PM
Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:41 PM
Kinney Gene G. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:40 PM
Prothena (Issuer)
Selkoe Dennis J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:40 PM
HENNEY CHRISTOPHER S (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2021
5:39 PM
Karp Carol D. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/16/2021
3:44 PM
First Light Asset Management, LLC (Filed by)
Prothena (Subject)
Form SC 13G
02/12/2021
4:07 PM
ORBIMED ADVISORS LLC (Filed by)
Prothena (Subject)
Form SC 13G/A
02/11/2021
7:02 AM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/05/2021
3:38 PM
Prothena (Subject)
Form SC TO-I/A
02/01/2021
3:16 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/29/2021
4:21 PM
BlackRock Inc. (Filed by)
Prothena (Subject)
Form SC 13G/A
01/28/2021
4:02 PM
Prothena (Subject)
Form SC TO-I/A
01/21/2021
4:01 PM
Prothena (Subject)
Form SC TO-I/A
12/09/2020
7:03 AM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/04/2020
4:01 PM
Prothena (Subject)
Form SC TO-I/A
11/09/2020
8:01 AM
Prothena (Subject)
Form SC TO-I
11/04/2020
3:13 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/20/2020
3:08 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/19/2020
3:31 PM
Kinney Gene G. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/11/2020
3:20 PM
Prothena (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
08/06/2020
3:09 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/22/2020
3:42 PM
Cobb Paula K (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/22/2020
3:41 PM
Harfstrand Karl Anders Olof (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/22/2020
3:40 PM
Prothena (Issuer)
Selkoe Dennis J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/22/2020
3:40 PM
HENNEY CHRISTOPHER S (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/22/2020
3:39 PM
COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/22/2020
3:38 PM
Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/22/2020
3:37 PM
Ekman Lars (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2020
4:01 PM
Prothena (Filer)
Form PRE 14A
03/04/2020
5:24 PM
Prothena (Issuer)
Smith Brandon S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2020
5:23 PM
Prothena (Issuer)
Smith Brandon S. (Reporting)
Form 3
Initial statement of beneficial ownership of securities  
03/03/2020
4:11 PM
Prothena (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/27/2020
4:20 PM
Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2020
4:18 PM
Karp Carol D. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2020
4:17 PM
Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2020
4:14 PM
Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/27/2020
4:13 PM
Kinney Gene G. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2020
3:20 PM
GREAT POINT PARTNERS LLC (Filed by)
Prothena (Subject)
Form SC 13G/A
02/14/2020
11:00 AM
ORBIMED ADVISORS LLC (Filed by)
Prothena (Subject)
Form SC 13G
02/12/2020
3:13 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/28/2020
10:34 AM
Prothena (Subject)
WELLINGTON MANAGEMENT GROUP LLP (Filed by)
Form SC 13G/A
12/19/2019
3:07 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/13/2019
4:30 PM
EcoR1 Capital, LLC (Filed by)
Prothena (Subject)
Form SC 13D
12/12/2019
11:15 PM
Prothena (Filer)
Form EFFECT
12/05/2019
3:07 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/27/2019
3:35 PM
Prothena (Filer)
Form S-3/A
11/05/2019
3:20 PM
Prothena (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/05/2019
3:07 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/24/2019
3:59 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/20/2019
3:04 PM
Prothena (Filer)
Form 8-K/A
09/09/2019
3:33 PM
Prothena (Subject)
Woodford Investment Management Ltd (Filed by)
Form SC 13G/A
09/09/2019
3:29 PM
LF Woodford Equity Income Fund (Filed by)
Prothena (Subject)
Form SC 13G/A
08/27/2019
5:08 PM
EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
08/26/2019
2:53 PM
EcoR1 Capital, LLC (Filed by)
Prothena (Subject)
Form SC 13D
08/06/2019
3:08 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/05/2019
3:10 PM
GREAT POINT PARTNERS LLC (Filed by)
Prothena (Subject)
Form SC 13G
07/12/2019
11:06 AM
Prothena (Filer)
Form CT ORDER
07/09/2019
1:59 PM
Prothena (Subject)
Woodford Investment Management Ltd (Filed by)
Form SC 13G/A
07/09/2019
1:56 PM
Prothena (Subject)
Woodford Patient Capital Trust Plc (Filed by)
Form SC 13G/A
07/03/2019
1:11 PM
Cobb Paula K (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/03/2019
1:10 PM
Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/03/2019
1:09 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/03/2019
1:09 PM
Cobb Paula K (Reporting)
Prothena (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
07/03/2019
1:08 PM
Malecek Michael J (Reporting)
Prothena (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
05/24/2019
3:13 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/24/2019
3:09 PM
Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/24/2019
3:08 PM
COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/24/2019
3:07 PM
Harfstrand Karl Anders Olof (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/24/2019
3:07 PM
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/22/2019
3:37 PM
Prothena (Filer)
Form S-3
Registration statement under Securities Act of 1933  
05/07/2019
3:33 PM
Prothena (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/07/2019
3:09 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/18/2019
3:06 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/28/2019
3:15 PM
Prothena (Filer)
Form DEF 14A
03/28/2019
1:59 PM
Prothena (Filer)
Form CT ORDER
03/15/2019
3:27 PM
Prothena (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/11/2019
3:15 PM
Prothena (Subject)
SCOPIA CAPITAL MANAGEMENT LP (Filed by)
Form SC 13G/A
This page was last updated on 5/15/2021 by MarketBeat.com Staff
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