PROTHENA CORP PUBLIC LTD CO

Nasdaq:PRTA

Pharmaceutical Preparations·DUBLIN 2, L2

Financials

20 shown

Type	Period	Ended	Filed
10-K	FY 2025	12/31/25	2/27/26	→
10-Q	Q3 2025	9/30/25	11/6/25	→
10-Q	Q2 2025	6/30/25	8/4/25	→
10-Q	Q1 2025	3/31/25	5/8/25	→
10-K	FY 2024	12/31/24	2/27/25	→
10-Q	Q3 2024	9/30/24	11/12/24	→
↓

Earnings Releases (8-K)

30 shown

Filed	Period
2/19/26	Q1 FY2026	→
11/6/25	Q4 FY2025	→
8/4/25	Q3 FY2025	→
5/8/25	Q2 FY2025	→
2/20/25	Q1 FY2025	→
11/12/24	Q4 FY2024	→
↓

News (8-K)

50 shown

Filed	Type	Description
2/27/26	Reg FD	Regulation FD Disclosure	→
12/12/25	Exec Change	Departure or Appointment of Directors or Certain Officers	→
11/19/25	Vote	Submission of Matters to a Vote of Security Holders	→
8/27/25	Other	Other Events	→
8/6/25	Other	Other Events	→
7/30/25	Exec Change	Departure or Appointment of Directors or Certain Officers	→
↓

Prospectuses & Registrations

40 shown

Filed	Form	Description
2/27/26	POSASR	POSASR	→
8/8/25	S-8	S-8	→
3/28/25	ARS	ARS	→
8/8/24	S-8	S-8	→
3/29/24	ARS	ARS	→
2/22/24	S-3ASR	S-3ASR	→
↓

Filing History(968 filings)

TypeDateAccessionPeriodSize

Mar 5, 2026

0000905148-26-001182

Mar 3, 2026

5.5 KB

Mar 5, 2026

0000905148-26-001181

Mar 3, 2026

5.5 KB

Mar 5, 2026

0000905148-26-001180

Mar 3, 2026

5.5 KB

Mar 5, 2026

0000905148-26-001179

Mar 3, 2026

5.5 KB

Mar 5, 2026

0000905148-26-001178

Mar 3, 2026

5.5 KB

Mar 5, 2026

0000905148-26-001177

Mar 3, 2026

5.5 KB

Mar 5, 2026

0000905148-26-001176

Mar 3, 2026

5.6 KB

EFFECT

Mar 2, 2026

9999999995-26-000697

—

2.0 KB

8-K

Feb 27, 2026

0001559053-26-0000098-K

Feb 27, 2026

198.9 KB

POS AM

Feb 27, 2026

0001193125-26-082965POS AM

—

288.1 KB

10-K

Feb 27, 2026

0001559053-26-00000810-K

Dec 31, 2025

10.1 MB

POSASR

Feb 27, 2026

0001193125-26-082499POSASR

—

416.5 KB

8-K

Feb 19, 2026

0001559053-26-0000038-K

Feb 19, 2026

300.6 KB

SCHEDULE 13G

Feb 13, 2026

0001104659-26-015228

—

15.0 KB

8-K

Dec 12, 2025

0001559053-25-0000498-K

Dec 10, 2025

148.6 KB

8-K

Nov 19, 2025

0001559053-25-0000478-K

Nov 19, 2025

151.2 KB

SCHEDULE 13G/A

Nov 14, 2025

0001104659-25-112819

—

13.4 KB

SCHEDULE 13G/A

Nov 12, 2025

0002011420-25-000009

—

7.3 KB

SCHEDULE 13G/A

Nov 12, 2025

0001045463-25-000012

—

8.5 KB

10-Q

Nov 6, 2025

0001559053-25-00004410-Q

Sep 30, 2025

6.9 MB

DEFA14A

Nov 6, 2025

0001193125-25-269620DEFA14A

—

109.9 KB

8-K

Nov 6, 2025

0001559053-25-0000428-K

Nov 6, 2025

298.4 KB

SCHEDULE 13G/A

Oct 17, 2025

0002012383-25-001756

—

11.0 KB

DEFA14A

Oct 7, 2025

0001140361-25-037503DEFA14A

—

1.0 MB

DEF 14A

Oct 7, 2025

0001140361-25-037500DEF 14A

Nov 19, 2025

2.2 MB

25 filings shown

PROTHENA CORP PUBLIC LTD CO

Financials

Earnings Releases (8-K)

News (8-K)

Prospectuses & Registrations

Filing History(968 filings)

Proxies

Ownership

Other Filings

Filed	Form	Description
3/5/26	4	4	→
3/5/26	4	4	→
3/5/26	4	4	→
3/5/26	4	4	→
3/5/26	4	4	→
3/5/26	4	4	→
↓

Filed	Form	Description
3/2/26	EFFECT	EFFECT	→
2/27/26	POS AM	POS AM	→
2/13/26	SCHEDULE 13G	SCHEDULE 13G	→
11/14/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
11/12/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
11/12/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
↓