Walker Karin L — SEC Form 4 filings
SEC reporting owner CIK 1559422. 6 Form 4 filings on record with FilingPulse; latest filed 2026-07-30.
Transaction summary — filings shown
Covers all 6 filings on record, filed 2024-01-24 to 2026-07-30. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 1 leg across 1 filing — 5,000 shares, $170,000 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 9.
- Largest priced transaction: sale of 5,000 shares @ $34.00 ($170,000) in PROTHENA CORP PUBLIC LTD CO, filed 2024-01-24.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| PROTHENA CORP PUBLIC LTD CO (PRTA) | Chief Accounting Officer | 6 | — | 1 leg · 5,000 sh · $170,000 | 9 |
Form 4 filings — Walker Karin L
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-30 | 4 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Option exercise (M): 15,000 · Disposition to issuer (D): 15,000 @ $8.56 · Option exercise (M): 15,000 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Grant/award (A): 150,000 (derivative) @ $0 | EDGAR |
| 2025-07-30 | 4 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Grant/award (A): 25,000 @ $0 | EDGAR |
| 2025-03-07 | 4 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Grant/award (A): 70,000 (derivative) @ $0 | EDGAR |
| 2024-02-29 | 4 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Grant/award (A): 54,000 (derivative) @ $0 | EDGAR |
| 2024-01-24 | 4 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Option exercise (M): 5,000 @ $13.53 · Sale (S): 5,000 @ $34 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1559422 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →