Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:2557380d-55d6-7bb4-faab-a3298b478c73 2026-06-20T06:18:57-04:00 Jonathan Moreland 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 PRTA: SCULLY WILLIAM P (BO) Bought (B) 20k Shares of PROTHENA CORP PUBLIC LTD CO for $7.90 on 6/16 urn:uuid:75e4b499-d38c-e16a-7ecf-afda121e9988 2026-06-18T11:38:32-04:00 PRTA: SCULLY WILLIAM P (BO) Disposed (JS) 325k Shares of PROTHENA CORP PUBLIC LTD CO for $0.00 on 6/15 urn:uuid:2fee70c8-e277-58d8-6047-cf9c70788b72 2026-06-16T16:58:55-04:00 PRTA: SCULLY WILLIAM P (BO) Bought (B) 125k Shares of PROTHENA CORP PUBLIC LTD CO for $8.17 on 6/11 urn:uuid:4de884a3-e025-722c-36b9-170ce87bc93d 2026-06-12T17:59:45-04:00 PRTA: ISAACS MICHAEL JOHN (GC,SEC) Filed a Form 3, Becoming a Registered Insider at PROTHENA CORP PUBLIC LTD CO With Initial Direct Holdings of 48,825 urn:uuid:f9d5e0e3-0655-5768-0e48-fc9a40ee76ed 2026-06-12T16:18:54-04:00 PRTA: SCULLY WILLIAM P (BO) Bought (B) 50k Shares of PROTHENA CORP PUBLIC LTD CO for $9.31 on 6/4 urn:uuid:2de709b2-20bd-0940-5461-f302282100d7 2026-06-05T13:46:44-04:00 PRTA: SCULLY WILLIAM P (BO) Bought (B) 50k Shares of PROTHENA CORP PUBLIC LTD CO for $9.43 on 6/2 urn:uuid:8b848392-aa2b-714f-2595-3d9807a9f3a3 2026-06-03T12:41:54-04:00 PRTA: SCULLY WILLIAM P (BO) Bought (B) 100k Shares of PROTHENA CORP PUBLIC LTD CO for $9.81 on 5/22 urn:uuid:3c9c0bf7-92e3-a5a2-486b-ec332d968941 2026-05-26T14:51:49-04:00 PRTA: SCULLY WILLIAM P (BO) Filed a Form 3, Becoming a Registered Insider at PROTHENA CORP PUBLIC LTD CO With Initial Direct Holdings of 736k urn:uuid:f19a845d-029f-e4dc-e4df-9acaaeac7c8e 2026-05-14T18:22:33-04:00 PRTA: SCULLY WILLIAM P (BO) Filed a Form 3, Becoming a Registered Insider at PROTHENA CORP PUBLIC LTD CO With Initial Indirect Holdings of 80k urn:uuid:80da4512-bb47-5907-afb9-98570ffef9f2 2026-05-14T18:22:33-04:00 PRTA: SCULLY WILLIAM P (BO) Filed a Form 3, Becoming a Registered Insider at PROTHENA CORP PUBLIC LTD CO With Initial Indirect Holdings of 52k urn:uuid:527e0378-bb92-1377-096d-beb1c9caafbe 2026-05-14T18:22:33-04:00