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Scully William P insider trades
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Scully William P insider trades

Scully William P has filed 17 Form 4s with the SEC that we hold, all for Prothena Corp Public LTD Co (PRTA), as 10% owner. Across all of them we count 21 purchases worth $12.7M and 0 sales worth $0 reported on Form 4. In the last 12 months: 15 purchases ($9.9M) and 0 sales ($0). The largest single trade was a purchase of 162,000 shares of Prothena Corp Public LTD Co worth $1.4M, dated 2026-09-29. The first filing on our record is dated 2025-05-02 and the latest 2026-10-09.

Prothena Corp Public LTD Co (PRTA)

10% owner · 17 filings · 21 purchases and sales
Trade dateCodeSharesValue as filedFiled
2024-12-18P, purchase reported on Form 473,436$1.0M2025-05-02
2024-12-20P, purchase reported on Form 42,000$31.8K2025-05-02
2024-12-31P, purchase reported on Form 430,000$389.7K2025-05-02
2024-12-31P, purchase reported on Form 4800$10.7K2025-05-02
2024-12-31P, purchase reported on Form 41,200$16.0K2025-05-02
2025-01-14P, purchase reported on Form 4100,000$1.3M2025-05-02
2026-05-22P, purchase reported on Form 4100,000$981.0K2026-05-26
2026-06-02P, purchase reported on Form 450,000$471.5K2026-06-03
2026-06-04P, purchase reported on Form 450,000$465.5K2026-06-05
2026-06-11P, purchase reported on Form 4125,000$1.0M2026-06-12
2026-06-16P, purchase reported on Form 420,000$158.0K2026-06-18
2026-08-07P, purchase reported on Form 434,000$293.1K2026-08-10
2026-08-07P, purchase reported on Form 43,500$30.2K2026-08-10
2026-08-20P, purchase reported on Form 450,000$439.4K2026-08-21
2026-09-02P, purchase reported on Form 427,000$255.7K2026-09-03
2026-09-18P, purchase reported on Form 4100,000$843.5K2026-09-21
2026-09-28P, purchase reported on Form 4103,500$889.9K2026-09-29
2026-09-29P, purchase reported on Form 4162,000$1.4M2026-09-30
2026-10-02P, purchase reported on Form 4100,000$857.2K2026-10-06
2026-10-07P, purchase reported on Form 4125,000$1.1M2026-10-09
2026-10-08P, purchase reported on Form 490,000$770.9K2026-10-09
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1045463) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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