Paul Bisaro - 31 Jul 2025 Form 4 Insider Report for Mallinckrodt plc

Role: Director
Signature: /s/ Mark Tyndall, Attorney-in-Fact
Issuer symbol: N/A
Transactions as of: 31 Jul 2025
Net transactions value: $0
Form type: 4
Filing time: 04 Aug 2025, 20:48:18 UTC
Previous filing: 06 Jun 2025
Next filing: 18 Aug 2025
SEC: View on sec.gov

Key filing fact

Paul Bisaro filed Form 4 for Mallinckrodt plc on 04 Aug 2025.

Key facts

This page summarizes Paul Bisaro's Form 4 filing for Mallinckrodt plc.
1 reported transaction and 1 derivative row are listed below.
Filing timestamp: 04 Aug 2025, 20:48.

Change

Previous filing in this sequence was filed on 06 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

CIK 0001237253 Primary reporting owner

Bisaro Paul

Relationship: Director
Address: 675 MCDONNELL BLVD., HAZELWOOD
Signature: /s/ Mark Tyndall, Attorney-in-Fact
Signature date: 04 Aug 2025

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

No ticker transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +27,357
Change %: +300%
Price: $0.000000
Shares after: 36,476
Date: 31 Jul 2025
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 27,357
Exercise price
Footnotes: F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On July 31, 2025, pursuant to the Transaction Agreement, dated as of March 13, 2025 (as amended, the "Transaction Agreement"), by and among Mallinckrodt plc (the "Issuer"), Endo, Inc. ("Endo") and Salvare Merger Sub LLC, the Issuer's wholly owned subsidiary ("Merger Sub"), the Merger Sub merged with and into Endo (the "Business Combination"), with Endo surviving the Business Combination as a wholly owned subsidiary of the Issuer.
F2	Upon consummation of the Business Combination, each performance unit ("PSU") held by the reporting person automatically converted into a restricted unit ("RSU"). Each RSU will fully vest on December 25, 2026.

Content

On July 31, 2025, pursuant to the Transaction Agreement, dated as of March 13, 2025 (as amended, the "Transaction Agreement"), by and among Mallinckrodt plc (the "Issuer"), Endo, Inc. ("Endo") and Salvare Merger Sub LLC, the Issuer's wholly owned subsidiary ("Merger Sub"), the Merger Sub merged with and into Endo (the "Business Combination"), with Endo surviving the Business Combination as a wholly owned subsidiary of the Issuer.

Upon consummation of the Business Combination, each performance unit ("PSU") held by the reporting person automatically converted into a restricted unit ("RSU"). Each RSU will fully vest on December 25, 2026.

Remarks:

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