James E. Flynn - 31 Mar 2025 SCHEDULE 13G/A Report for Mallinckrodt plc Ordinary Shares, par value $0.01 per share (MNKTQ)

Filing Manager
James E. Flynn
Reporting Manager
Deerfield Management Company, L.P.
Security
Mallinckrodt plc Ordinary Shares, par value $0.01 per share
Symbol
MNKTQ
Shares outstanding
19,760,663 shares
Disclosed Ownership
804,259 shares
Ownership
4.1%
Form type
SCHEDULE 13G/A
Filing time
13 May 2025, 20:49:28 UTC
Date of event
31 Mar 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Deerfield Mgmt, L.P. 4.1% 804,258 0 804,258 /s/ Jonathan Isler Jonathan Isler, Attorney-In-Fact
Deerfield Mgmt IV, L.P. 0% 1 0 1 /s/ Jonathan Isler Jonathan Isler, Attorney-In-Fact
Deerfield Partners, L.P. 4.1% 804,258 0 804,258 /s/ Jonathan Isler Jonathan Isler, Attorney-In-Fact
Deerfield Private Design Fund IV, L.P. 0% 1 0 1 /s/ Jonathan Isler Jonathan Isler, Attorney-In-Fact
Deerfield Management Company, L.P. 4.1% 804,259 0 804,259 /s/ Jonathan Isler Jonathan Isler, Attorney-In-Fact
James E. Flynn 4.1% 804,259 0 804,259 /s/ Jonathan Isler Jonathan Isler, Attorney-In-Fact