Sec Form 4 Filing - Mathews-Spradlin Mich J @ iANTHUS CAPITAL HOLDINGS, INC. - 2022-10-03

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Mathews-Spradlin Mich J 2. Issuer Name and Ticker or Trading Symbol iANTHUS CAPITAL HOLDINGS, INC. [ ITHUF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O IANTHUS CAPITAL HOLDINGS, INC., 420 LEXINGTON AVENUE, SUITE 414 3. Date of Earliest Transaction (MM/DD/YY) 10/03/2022 (Street) NEW YORK, NY10170 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/03/2022 A 1,960,785 ( 1 ) A 1,960,785 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units ( 2 ) 10/03/2022 M 1,960,785 ( 3 ) ( 3 ) Common Stock 1,960,785 $ 0 5,980,393 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Mathews-Spradlin Mich J C/O IANTHUS CAPITAL HOLDINGS, INC. 420 LEXINGTON AVENUE, SUITE 414 NEW YORK, NY10170 X Signatures Mich J Mathews-Spradlin 05/31/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the issuance of the shares underlying the initial vested portion of the grant of restricted stock units to the Reporting Person on September 19, 2022. ( 2 )Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock following vesting. ( 3 )The restricted stock units referenced in Column 9 were granted pursuant to the Issuer's Amended and Restated Omnibus Equity Incentive Plan dated October 15, 2018. Such restricted stock units will vest on the first anniversary of the date of grant, subject to the Reporting Person's continued service with the Issuer.

Remarks: This is a late filing with respect to the transactions reported in Table II pursuant to the General Instructions of Form 4, a Form 4 relating to such transactions should have been filed within two (2) business days following the date of such transactions.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.