Paul Efron - 14 Aug 2025 Form 4 Insider Report for Mallinckrodt plc

Role
Director
Signature
/s/ Mark Tyndall, Attorney-in-Fact
Issuer symbol
N/A
Transactions as of
14 Aug 2025
Net transactions value
+$709,972
Form type
4
Filing time
18 Aug 2025, 21:04:38 UTC
Previous filing
04 Aug 2025
Next filing
25 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Efron Paul Director 675 MCDONNELL BLVD., HAZELWOOD /s/ Mark Tyndall, Attorney-in-Fact 18 Aug 2025 0002024711

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction Ordinary Shares Award $709,972 +7,692 +995% $92.30 8,465 18 Aug 2025 Direct F1

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 +5,417 $0.000000 5,417 14 Aug 2025 Ordinary Shares 5,417 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On August 18, 2025, the Reporting Person purchased 7,692 ordinary shares of the Issuer in a private placement transaction directly with the Issuer. The purchase was effected pursuant to Rule 16b-3(d), the result of which is that such acquisition is exempt from the provisions of Section 16(b) and the rules promulgated thereunder.
F2 Upon vesting, each restricted stock unit ("RSU") will be settled in ordinary shares of the Issuer at one share per RSU.
F3 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.