William P. Scully - 18 Dec 2024 Form 4 Insider Report for PROTHENA CORP PUBLIC LTD CO (PRTA)

Reporting relationship: 10%+ Owner
Issuer ticker: PRTA
Reported as of: 18 Dec 2024
Net transaction value: +$2,749,916
SEC form: 4
Accepted by SEC: 02 May 2025, 10:29:05 UTC
Prior SEC filing: 01 May 2025
Next SEC filing: 14 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Diana L. Hayes by POA from William P. Scully

Key filing fact

William P. Scully filed Form 4 for PROTHENA CORP PUBLIC LTD CO (PRTA) on 02 May 2025.

Key facts

This page summarizes William P. Scully's Form 4 filing for PROTHENA CORP PUBLIC LTD CO (PRTA).
13 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 02 May 2025, 10:29.

Change

Previous filing in this sequence was filed on 01 May 2025.
Current net transaction value: +$2,749,916.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001045463 Primary reporting owner

SCULLY WILLIAM P

Relationship: 10%+ Owner
Address: 771 MANATEE COVE, VERO BEACH
Signature: /s/ Diana L. Hayes by POA from William P. Scully
Signature date: 02 May 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PRTA transaction

Ordinary Shares, par value $0.01 per share

Gift

Transaction value: $0
Shares: +430,000
Change %: +54%
Price: $0.000000
Shares after: 1,224,257
Date: 18 Dec 2024
Ownership: Direct

PRTA transaction

Ordinary Shares, par value $0.01 per share

Purchase

Transaction value: $1,022,670
Shares: +73,436
Change %: +6%
Price: $13.93
Shares after: 1,297,693
Date: 18 Dec 2024
Ownership: Direct
Footnotes: F1

PRTA transaction

Ordinary Shares, par value $0.01 per share

Gift

Transaction value: $0
Shares: -681,000
Change %: -52%
Price: $0.000000
Shares after: 616,693
Date: 19 Dec 2024
Ownership: Direct

PRTA transaction

Ordinary Shares, par value $0.01 per share

Purchase

Transaction value: $31,813
Shares: +2,000
Change %: +0.32%
Price: $15.91
Shares after: 618,693
Date: 20 Dec 2024
Ownership: Direct

PRTA transaction

Ordinary Shares, par value $0.01 per share

Gift

Transaction value: $0
Shares: -500
Change %: -0.08%
Price: $0.000000
Shares after: 618,193
Date: 20 Dec 2024
Ownership: Direct

PRTA transaction

Ordinary Shares, par value $0.01 per share

Purchase

Transaction value: $16,038
Shares: +1,200
Change %: +0.19%
Price: $13.37
Shares after: 619,393
Date: 31 Dec 2024
Ownership: Direct

PRTA transaction

Ordinary Shares, par value $0.01 per share

Purchase

Transaction value: $10,715
Shares: +800
Change %: +0.13%
Price: $13.39
Shares after: 620,193
Date: 31 Dec 2024
Ownership: Direct

PRTA transaction

Ordinary Shares, par value $0.01 per share

Purchase

Transaction value: $389,640
Shares: +30,000
Change %: +4.8%
Price: $12.99
Shares after: 650,193
Date: 31 Dec 2024
Ownership: Direct
Footnotes: F2

PRTA transaction

Ordinary Shares, par value $0.01 per share

Gift

Transaction value: $0
Shares: -13,200
Change %: -2%
Price: $0.000000
Shares after: 636,993
Date: 02 Jan 2025
Ownership: Direct

PRTA transaction

Ordinary Shares, par value $0.01 per share

Gift

Transaction value: $0
Shares: -1,000
Change %: -0.16%
Price: $0.000000
Shares after: 635,993
Date: 03 Jan 2025
Ownership: Direct

PRTA transaction

Ordinary Shares, par value $0.01 per share

Purchase

Transaction value: $1,279,040
Shares: +100,000
Change %: +16%
Price: $12.79
Shares after: 735,993
Date: 14 Jan 2025
Ownership: Direct
Footnotes: F3

PRTA transaction

Ordinary Shares, par value $0.01 per share

Gift

Transaction value: $0
Shares: -40,000
Change %: -40%
Price: $0.000000
Shares after: 59,000
Date: 20 Dec 2024
Ownership: By Spouse

PRTA transaction

Ordinary Shares, par value $0.01 per share

Gift

Transaction value: $0
Shares: -12,000
Change %: -20%
Price: $0.000000
Shares after: 47,000
Date: 15 Jan 2025
Ownership: By Spouse

PRTA holding

Ordinary Shares, par value $0.01 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 75,950
Date: 18 Dec 2024
Ownership: By Manatee Equity Fund LLC
Footnotes: F4

PRTA holding

Ordinary Shares, par value $0.01 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 68,000
Date: 18 Dec 2024
Ownership: By Self as Trustee for The 2012 Randolph Scully Family Trust

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.85 to $14.00, inclusive. The reporting person undertakes to provide to Prothena Corp Public Ltd Co, any security holder of Prothena Corp Public Ltd Co, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1), (2), and (3) to this Form 4.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.93 to $13.07, inclusive.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.41 to $12.94, inclusive.

Footnote F4

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.