SCULLY WILLIAM P Insider Trades

Insider Trading History

Track insider trading activity for SCULLY WILLIAM P. 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
10% owner
Holding Value $6.53M 756,000 shares
Last Trade
Jun 16, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$158k 20,000 shares
$7.90
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $6.36M 736,000 shares
Last Trade
Jun 15, 2026 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$2.65M 325,000 shares
$8.15
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $9.17M 1,061,000 shares
Last Trade
Jun 11, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$1.02M 125,000 shares
$8.17
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $8.09M 936,000 shares
Last Trade
Jun 04, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$466k 50,000 shares
$9.31
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $7.66M 886,000 shares
Last Trade
Jun 02, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$472k 50,000 shares
$9.43
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $7.22M 836,000 shares
Last Trade
May 22, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$981k 100,000 shares
$9.81
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $406k 47,000 shares
Last Trade
Jan 15, 2025 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$159k 12,000 shares
$13.27
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $6.36M 735,993 shares
Last Trade
Jan 14, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$1.28M 100,000 shares
$12.79
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $5.49M 635,993 shares
Last Trade
Jan 03, 2025 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$13.9k 1,000 shares
$13.87
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $5.5M 636,993 shares
Last Trade
Jan 02, 2025 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$180k 13,200 shares
$13.67
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $5.62M 650,193 shares
Last Trade
Dec 31, 2024 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$416k 32,000 shares
$13.01
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $5.35M 618,693 shares
Last Trade
Dec 20, 2024 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$31.8k 2,000 shares
$15.91
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $5.33M 616,693 shares
Last Trade
Dec 19, 2024 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$9.56M 681,000 shares
$14.04
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $11.2M 1,297,693 shares
Last Trade
Dec 18, 2024 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$1.02M 73,436 shares
$13.93
$8.64
Prothena plc
Prothena plc PRTA
10% owner
Holding Value $10.6M 1,224,257 shares
Last Trade
Dec 18, 2024 Purchase (Gift)Shares transferred as a gift rather than bought or sold for cash.
$6.04M 430,000 shares
$14.04
$8.64
Yield10 Bioscience
Yield10 Bioscience YTEN
10% owner
Holding Value $983k 2,933,333 shares
Last Trade
Sep 13, 2016 Sale (Open Market)Shares sold on the open market or in a private sale.
$67.2M 23,333 shares
$2,880.00
$0.34
Yield10 Bioscience
Yield10 Bioscience YTEN
10% owner
Holding Value $991k 2,956,666 shares
Last Trade
Sep 12, 2016 Sale (Open Market)Shares sold on the open market or in a private sale.
$139M 45,000 shares
$3,091.20
$0.34
Yield10 Bioscience
Yield10 Bioscience YTEN
10% owner
Holding Value $1.01M 3,001,666 shares
Last Trade
Sep 09, 2016 Sale (Open Market)Shares sold on the open market or in a private sale.
$201M 65,000 shares
$3,091.20
$0.34
Yield10 Bioscience
Yield10 Bioscience YTEN
10% owner
Holding Value $1.03M 3,066,666 shares
Last Trade
Sep 08, 2016 Sale (Open Market)Shares sold on the open market or in a private sale.
$342M 100,000 shares
$3,415.68
$0.34
Yield10 Bioscience
Yield10 Bioscience YTEN
10% owner
Holding Value $1.06M 3,167,016 shares
Last Trade
Sep 17, 2015 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$639M 31,833 shares
$20,064.00
$0.34

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