Marc J. Yoskowitz - Oct 20, 2025 Form 4 Insider Report for Mallinckrodt plc

Role
Director
Signature
/s/ Mark Tyndall, Attorney-in-Fact
Transactions as of
Oct 20, 2025
Transactions value $
$0
Form type
4
Date filed
10/20/2025, 08:01 PM
Previous filing
Aug 18, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Yoskowitz Marc J Director 675 MCDONNELL BLVD., HAZELWOOD /s/ Mark Tyndall, Attorney-in-Fact 2025-10-20 0001617306

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction Restricted Stock Units Award $0 +1.35K +33.33% $0.00 5.42K Oct 20, 2025 Ordinary Shares 1.35K Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Upon vesting, each restricted stock unit ("RSU") will be settled in ordinary shares of the Issuer at one share per RSU.
F2 The RSUs will vest on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual general meeting of shareholders.

Remarks:

This Form 4 constitutes a notice to the Issuer for purposes of Part V of the Companies Act 2014.