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NASDAQ:PRTA

Prothena (PRTA) SEC Filings & 10K Form

$48.25
-0.58 (-1.19%)
(As of 09/29/2023 ET)
Compare
Today's Range
$47.95
▼
$49.74
50-Day Range
$47.30
▼
$69.05
52-Week Range
$45.06
▼
$79.65
Volume
303,903 shs
Average Volume
446,503 shs
Market Capitalization
$2.58 billion
P/E Ratio
N/A
Dividend Yield
N/A
Price Target
$90.38
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Recent Prothena SEC Filings

Export to Excel
DateFilerForm TypeView
09/27/2023
7:35 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/25/2023
3:56 PM		Patel Sanjiv (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
09/19/2023
4:37 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/19/2023
3:51 PM		Prothena (Subject)
Walker Karin L (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
09/13/2023
6:32 PM		Prothena (Issuer)
Smith Brandon S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/13/2023
6:33 PM		Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/13/2023
3:33 PM		Garren Hideki (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
09/06/2023
6:42 PM		Karp Carol D. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/30/2023
6:24 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/18/2023
7:37 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/18/2023
4:23 PM		Prothena (Subject)
Walker Karin L (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/16/2023
8:15 PM		Prothena (Issuer)
Smith Brandon S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/16/2023
8:15 PM		Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/16/2023
2:59 PM		Garren Hideki (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/16/2023
3:00 PM		Prothena (Subject)
Smith Brandon S. (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/03/2023
3:14 PM		Prothena (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/02/2023
8:00 PM		Karp Carol D. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/02/2023
8:00 PM		Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/26/2023
6:45 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/19/2023
7:50 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/12/2023
7:45 PM		Prothena (Issuer)
Smith Brandon S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/12/2023
7:45 PM		Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/12/2023
3:18 PM		Garren Hideki (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/12/2023
2:35 PM		Prothena (Subject)
Smith Brandon S. (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/10/2023
3:11 PM		Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/05/2023
8:32 PM		Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/05/2023
8:33 PM		Karp Carol D. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/05/2023
3:18 PM		Karp Carol D. (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/03/2023
5:16 PM		Prothena (Issuer)
Selkoe Dennis J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/03/2023
1:01 PM		Prothena (Subject)
Selkoe Dennis J. (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/28/2023
7:45 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/20/2023
3:38 PM		Prothena (Subject)
Walker Karin L (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/16/2023
6:31 PM		Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2023
3:09 PM		Garren Hideki (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/14/2023
8:15 PM		Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/14/2023
8:15 PM		Prothena (Issuer)
Smith Brandon S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/14/2023
5:05 PM		Patel Sanjiv (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/14/2023
3:51 PM		Prothena (Subject)
Smith Brandon S. (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/14/2023
3:28 PM		Garren Hideki (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/07/2023
8:49 PM		Karp Carol D. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/07/2023
8:49 PM		Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/07/2023
4:41 PM		Karp Carol D. (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/07/2023
4:41 PM		Prothena (Subject)
Zago Wagner M. (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/31/2023
8:30 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:30 PM		Prothena (Issuer)
Selkoe Dennis J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:30 PM		Kim Helen Susan (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:30 PM		Harfstrand Karl Anders Olof (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:31 PM		Ekman Lars (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:31 PM		Dunn William H. Jr. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:31 PM		COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:31 PM		Cobb Paula K (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:31 PM		Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:31 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
8:25 PM		Dunn William H. Jr. (Reporting)
Prothena (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
05/17/2023
8:54 PM		Kinney Gene G. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/17/2023
8:53 PM		Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/05/2023
8:30 PM		Prothena (Issuer)
Selkoe Dennis J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/04/2023
3:32 PM		Prothena (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/04/2023
3:08 PM		Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/03/2023
2:21 PM		Prothena (Subject)
Selkoe Dennis J. (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
04/28/2023
8:30 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/26/2023
2:05 PM		Malecek Michael J (Reporting)
Prothena (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
04/21/2023
8:30 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
04/19/2023
2:39 PM		Prothena (Subject)
Walker Karin L (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/31/2023
8:31 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/22/2023
8:30 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/17/2023
8:30 PM		Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/17/2023
8:31 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/17/2023
8:31 PM		Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/17/2023
8:32 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/10/2023
8:30 AM		FMR LLC (Filed by)
Prothena (Subject)
Form SC 13G/A
03/03/2023
8:30 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2023
8:30 PM		Kinney Gene G. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2023
8:30 PM		Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2023
8:30 PM		Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2023
8:30 PM		Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2023
8:31 PM		Prothena (Issuer)
Smith Brandon S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2023
8:31 PM		Karp Carol D. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2023
8:31 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2023
8:30 PM		Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/17/2023
8:30 PM		Nguyen Tran (Reporting)
Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/14/2023
1:32 PM		Prothena (Subject)
SCULLY WILLIAM P (Filed by)
Form SC 13G/A
02/09/2023
11:31 AM		FMR LLC (Filed by)
Prothena (Subject)
Form SC 13G/A
01/20/2023
8:30 PM		Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/12/2023
8:31 PM		Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/05/2023
8:42 PM		Ekman Lars (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/05/2023
8:38 PM		COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/23/2022
8:30 PM		Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/16/2022
3:31 PM		Prothena (Filer)
Form 424B5
12/16/2022
3:36 PM		Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/13/2022
3:48 PM		Prothena (Filer)
Form 424B5
12/12/2022
8:31 PM		Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/05/2022
8:47 PM		COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/02/2022
8:30 PM		Ekman Lars (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/02/2022
8:30 PM		Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/02/2022
8:30 PM		Malecek Michael J (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/25/2022
8:31 PM		Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/18/2022
8:32 PM		Prothena (Issuer)
Walker Karin L (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/10/2022
8:30 PM		Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/09/2022
8:30 PM		COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
(Data available from 1/1/2016 forward)


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This page (NASDAQ:PRTA) was last updated on 9/29/2023 by MarketBeat.com Staff

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