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<title>Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights</title>
<link href="http://www.insiderinsights.com/news/company/prta" ></link>
<id>urn:uuid:2557380d-55d6-7bb4-faab-a3298b478c73</id>
<updated>2026-10-10T03:43:27-04:00</updated>
<author>Jonathan Moreland</author>
<subtitle>Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services</subtitle>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Bought (B) 215k Shares of PROTHENA CORP PUBLIC LTD CO for $8.40-$8.57 on 10/7-10/8</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6479718" ></link>
<id>urn:uuid:0f282efb-3d4a-7c23-ca78-5b960ea02866</id>
<updated>2026-10-09T09:43:09-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Bought (B) 100k Shares of PROTHENA CORP PUBLIC LTD CO for $8.57 on 10/2</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6478450" ></link>
<id>urn:uuid:5ffc1f67-3124-fce4-8c6b-bcdefbfeb64c</id>
<updated>2026-10-06T13:53:53-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Bought (B) 162k Shares of PROTHENA CORP PUBLIC LTD CO for $8.68 on 9/29</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6474831" ></link>
<id>urn:uuid:86c21f60-9ab5-4055-2124-ddbae12b0f19</id>
<updated>2026-09-30T17:10:27-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Bought (B) 103,500 Shares of PROTHENA CORP PUBLIC LTD CO for $8.60 on 9/28</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6474480" ></link>
<id>urn:uuid:0ef59853-45b0-4b59-4a40-4e97c35f04c8</id>
<updated>2026-09-29T17:37:37-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Bought (B) 100k Shares of PROTHENA CORP PUBLIC LTD CO for $8.43 on 9/18</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6471893" ></link>
<id>urn:uuid:99840ad1-bb53-bab4-719f-3b0c3c060806</id>
<updated>2026-09-21T16:23:38-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Bought (B) 27k Shares of PROTHENA CORP PUBLIC LTD CO for $9.47 on 9/2</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6464737" ></link>
<id>urn:uuid:5ca4b999-7e4d-2d22-2f01-26d3d3a9e9aa</id>
<updated>2026-09-03T18:23:53-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Bought (B) 50k Shares of PROTHENA CORP PUBLIC LTD CO for $8.79 on 8/20</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6458276" ></link>
<id>urn:uuid:51972858-6618-289d-5301-3a59e78493c7</id>
<updated>2026-08-21T14:32:10-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: FENNELL TODD W (BO) Filed a Form 3, Becoming a Registered Insider at PROTHENA CORP PUBLIC LTD CO With Initial  Holdings of 0</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6455691" ></link>
<id>urn:uuid:f4149895-fde8-db45-0ef6-8c254f2f5e3a</id>
<updated>2026-08-18T16:16:43-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Disposed (JS) 627,553 Shares of PROTHENA CORP PUBLIC LTD CO for $0.00 on 8/18</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6455573" ></link>
<id>urn:uuid:e4a1f950-248a-7833-4634-fd904f10ace9</id>
<updated>2026-08-18T16:03:25-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
<entry>
<title>PRTA: SCULLY WILLIAM P (BO) Acquired (JB) 336k Shares of PROTHENA CORP PUBLIC LTD CO for $0.00 on 8/17</title>
<link href="http://www.insiderinsights.com/company/prta/prothena-corp-public-ltd-co/id-6455572" ></link>
<id>urn:uuid:f58714c8-ccdc-6112-81c6-090eaa53d2b5</id>
<updated>2026-08-18T16:03:25-04:00</updated>
<summary type="html" ><![CDATA[PROTHENA CORP PUBLIC LTD CO (PRTA). Recent Price: $8.36. Mkt Cap:429.2mm. 10D Vol: 608,630]]></summary>
</entry>
</feed>