O'Shea Robert J - Insider Non-Derivative Transactions at Mallinckrodt plc (NONE) - (SEC)

Updated on March 12, 2026.

According to recent SEC insider information filed on Dec 8, 2025, O'Shea Robert J's relationship to Mallinckrodt plc (NONE) is TenPercentOwner, and currently has 4,702,714 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other NONE insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

O'Shea Robert J - Insider Non-Derivative Transactions of NONE Common Stock

O'Shea Robert J - Insider Non-Derivative Transactions at NONE

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 9, 2025	P -- (Common Stock)	130974	88.75	4702714