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DOW   33,761.05
QQQ   330.39
Shelling kills 1 in Ukraine; Russia wants nuke plant pledges
Market Wizard Who Accurately Predicted 2022 Market Collapse Has Shocking New Forecast (Ad)
High oil prices help Saudi Aramco earn $88B in first half
Ship carrying grain for hungry Ethiopia leaves Ukraine
Saudi Aramco's profits already $88B as oil prices stay high
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Saudi oil company Aramco's half-year profits reach close to $88 billion after posting a 90% surge in second quarter
Average US gasoline price falls 45 cents to $4.10 per gallon
'Everyone's Got a Story of How the Healthcare System Has Fallen Short.' This Founder Is on a Mission to Change That.
Potential 500% Return From A Unique $1 Asset? (Ad)pixel
S&P 500   4,280.15
DOW   33,761.05
QQQ   330.39
Shelling kills 1 in Ukraine; Russia wants nuke plant pledges
Market Wizard Who Accurately Predicted 2022 Market Collapse Has Shocking New Forecast (Ad)
High oil prices help Saudi Aramco earn $88B in first half
Ship carrying grain for hungry Ethiopia leaves Ukraine
Saudi Aramco's profits already $88B as oil prices stay high
Potential 500% Return From A Unique $1 Asset? (Ad)pixel
Saudi oil company Aramco's half-year profits reach close to $88 billion after posting a 90% surge in second quarter
Average US gasoline price falls 45 cents to $4.10 per gallon
'Everyone's Got a Story of How the Healthcare System Has Fallen Short.' This Founder Is on a Mission to Change That.
Potential 500% Return From A Unique $1 Asset? (Ad)pixel
S&P 500   4,280.15
DOW   33,761.05
QQQ   330.39
Shelling kills 1 in Ukraine; Russia wants nuke plant pledges
Market Wizard Who Accurately Predicted 2022 Market Collapse Has Shocking New Forecast (Ad)
High oil prices help Saudi Aramco earn $88B in first half
Ship carrying grain for hungry Ethiopia leaves Ukraine
Saudi Aramco's profits already $88B as oil prices stay high
Potential 500% Return From A Unique $1 Asset? (Ad)pixel
Saudi oil company Aramco's half-year profits reach close to $88 billion after posting a 90% surge in second quarter
Average US gasoline price falls 45 cents to $4.10 per gallon
'Everyone's Got a Story of How the Healthcare System Has Fallen Short.' This Founder Is on a Mission to Change That.
Potential 500% Return From A Unique $1 Asset? (Ad)pixel
S&P 500   4,280.15
DOW   33,761.05
QQQ   330.39
Shelling kills 1 in Ukraine; Russia wants nuke plant pledges
Market Wizard Who Accurately Predicted 2022 Market Collapse Has Shocking New Forecast (Ad)
High oil prices help Saudi Aramco earn $88B in first half
Ship carrying grain for hungry Ethiopia leaves Ukraine
Saudi Aramco's profits already $88B as oil prices stay high
Potential 500% Return From A Unique $1 Asset? (Ad)pixel
Saudi oil company Aramco's half-year profits reach close to $88 billion after posting a 90% surge in second quarter
Average US gasoline price falls 45 cents to $4.10 per gallon
'Everyone's Got a Story of How the Healthcare System Has Fallen Short.' This Founder Is on a Mission to Change That.
Potential 500% Return From A Unique $1 Asset? (Ad)pixel
NASDAQ:PRTA

Prothena - PRTA SEC Filings & 10K Form

$32.19
+0.91 (+2.91%)
(As of 08/12/2022 12:00 AM ET)
Add
Compare
Today's Range
$30.50
$32.39
50-Day Range
$22.73
$33.11
52-Week Range
$21.06
$79.75
Volume
346,698 shs
Average Volume
288,855 shs
Market Capitalization
$1.51 billion
P/E Ratio
N/A
Dividend Yield
N/A
Price Target
$70.33

Recent Prothena SEC Filings

DateFilerForm TypeView
08/12/2022
8:30 PM
Kinney Gene G. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/10/2022
4:01 PM
Prothena (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
08/10/2022
1:56 PM
PRICE T ROWE ASSOCIATES INC /MD/ (Filed by)
Prothena (Subject)
Form SC 13G/A
08/08/2022
3:37 PM
Prothena (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/08/2022
3:27 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/05/2022
8:34 PM
Kinney Gene G. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/03/2022
8:39 PM
Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/29/2022
8:30 PM
Kinney Gene G. (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/22/2022
8:37 PM
Nguyen Tran (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/22/2022
8:33 PM
Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/08/2022
8:34 PM
Garren Hideki (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/27/2022
11:01 AM
Prothena (Subject)
SCULLY WILLIAM P (Filed by)
Form SC 13G
05/27/2022
8:30 PM
Patel Sanjiv (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/27/2022
8:30 PM
Cobb Paula K (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/27/2022
8:30 PM
Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/27/2022
8:30 PM
COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/27/2022
8:30 PM
Harfstrand Karl Anders Olof (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/27/2022
8:30 PM
Prothena (Issuer)
Selkoe Dennis J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/27/2022
8:30 PM
Ekman Lars (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/20/2022
3:27 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/09/2022
5:01 AM
EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/05/2022
5:06 AM
Prothena (Filer)
Form DEFA14A
04/26/2022
7:32 AM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/25/2022
3:31 PM
Prothena (Filer)
Form DEFA14A
04/13/2022
8:45 PM
Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/06/2021
4:03 PM
Prothena (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
07/30/2021
7:04 PM
Prothena (Issuer)
Selkoe Dennis J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/12/2021
8:37 PM
HENNEY CHRISTOPHER S (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/12/2021
7:57 AM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/29/2021
5:13 PM
HENNEY CHRISTOPHER S (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/24/2021
4:04 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/24/2021
3:38 PM
Prothena (Issuer)
Zago Wagner M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/22/2021
4:05 PM
EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/10/2021
11:44 AM
PRICE T ROWE ASSOCIATES INC /MD/ (Filed by)
Prothena (Subject)
Form SC 13G
05/28/2021
4:11 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/28/2021
3:11 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/21/2021
4:06 PM
Cooke Shane (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2021
4:05 PM
Patel Sanjiv (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2021
4:05 PM
COLLIER RICHARD T (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2021
4:04 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/21/2021
4:04 PM
Cobb Paula K (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2021
4:03 PM
Ekman Lars (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2021
4:03 PM
Prothena (Issuer)
Selkoe Dennis J. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2021
4:02 PM
HENNEY CHRISTOPHER S (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2021
4:02 PM
Harfstrand Karl Anders Olof (Reporting)
Prothena (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/21/2021
4:01 PM
Patel Sanjiv (Reporting)
Prothena (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
05/20/2021
3:07 PM
Prothena (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
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  
This page (NASDAQ:PRTA) was last updated on 8/14/2022 by MarketBeat.com Staff

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