Walker Karin L Insider Trades

Insider Trading History

Track insider trading activity for Walker Karin L. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $1.34M 150,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.4M 150,000 shares
$9.36
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $223k 25,000 shares
Last Trade
Jul 28, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$172k 25,000 shares
$6.87
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $624k 70,000 shares
Last Trade
Mar 05, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.05M 70,000 shares
$14.95
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $482k 54,000 shares
Last Trade
Feb 27, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.64M 54,000 shares
$30.30
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $44.6k 5,000 shares
Last Trade
Jan 24, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$165k 5,000 shares
$32.93
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $0 0 shares
Last Trade
Jan 24, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$170k 5,000 shares
$34.00
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $134k 15,000 shares
Last Trade
Jan 24, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$165k 5,000 shares
$32.93
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $29.6k 3,322 shares
Last Trade
Dec 20, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$186k 5,000 shares
$37.19
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $44.6k 5,000 shares
Last Trade
Dec 20, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$185k 5,000 shares
$36.92
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $178k 20,000 shares
Last Trade
Dec 20, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$185k 5,000 shares
$36.92
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $223k 25,000 shares
Last Trade
Nov 30, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$163k 5,000 shares
$32.58
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $0 0 shares
Last Trade
Nov 30, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$170k 5,000 shares
$34.00
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $44.6k 5,000 shares
Last Trade
Nov 30, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$163k 5,000 shares
$32.58
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $44.6k 5,000 shares
Last Trade
Oct 25, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$198k 5,000 shares
$39.68
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $268k 30,000 shares
Last Trade
Oct 25, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$198k 5,000 shares
$39.68
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $28.6k 3,211 shares
Last Trade
Oct 25, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$205k 5,000 shares
$41.04
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $0 0 shares
Last Trade
Sep 19, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$262k 5,000 shares
$52.36
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $4.29k 481 shares
Last Trade
Sep 19, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$263k 5,000 shares
$52.51
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $44.6k 5,000 shares
Last Trade
Sep 19, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$263k 5,000 shares
$52.51
$8.92
Prothena plc
Prothena plc PRTA
Chief Accounting Officer
Holding Value $48.9k 5,481 shares
Last Trade
Aug 18, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$284k 5,000 shares
$56.75
$8.92

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