Tracy Basso - 31 Jul 2025 Form 4 Insider Report for Mallinckrodt plc

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
04 Aug 2025, 20:47:04 UTC
Next SEC filing
26 Feb 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Mark Tyndall, Attorney-in-Fact

Key filing fact

Tracy Basso filed Form 4 for Mallinckrodt plc on 04 Aug 2025.

Key facts

  • This page summarizes Tracy Basso's Form 4 filing for Mallinckrodt plc.
  • 2 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 04 Aug 2025, 20:47.

Change

  • No earlier filing in this sequence is available for direct comparison.
  • 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.

View source filing

Reporting Owners (1)

CIK 0002076534 Primary reporting owner

Basso Tracy

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

No ticker transaction

Ordinary Shares

Award

Transaction value
Shares
+782
Change %
Price
Shares after
782
Date
31 Jul 2025
Ownership
Direct
Footnotes
F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

No ticker transaction Derivative

Restricted Stock Units

Award

Transaction value
$0
Shares
+11,409
Change %
Price
$0.000000
Shares after
11,409
Date
31 Jul 2025
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
11,409
Exercise price
Footnotes
F2, F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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. At the Merger Effective Time (as defined in the Transaction Agreement), each share of Endo common stock held by the reporting person immediately prior to the Merger Effective Time automatically converted into the right to receive approximately $1.31 in cash and 0.2575 ordinary shares of the Issuer without interest and subject to applicable withholding.

Footnote F2

Effective at the Merger Effective Time, (i) each restricted stock unit in respect of Endo common stock ("Endo RSU") held by the reporting person immediately prior to the Merger Effective Time automatically converted into a restricted unit in respect of a number of ordinary shares of the Issuer ("Issuer RSU") determined in accordance with the formula set forth in the Transaction Agreement and (ii) each performance-based restricted stock unit in respect of Endo common stock ("Endo PSU") held by the reporting person immediately prior to the Merger Effective Time automatically converted into an Issuer RSU in respect of the number of ordinary shares of the Issuer determined in accordance with the formula set forth in the Transaction Agreement assuming the performance goals were achieved based on target performance.

Footnote F3

The Issuer RSUs will vest ratably on April 23, 2026 and April 23, 2027. Upon vesting, each Issuer RSU will be settled in ordinary shares of the Issuer at one share per Issuer RSU.

SEC remarks

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

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