MoonLake CSO granted 520K stock options in 2026

MoonLake Immunotherapeutics reported an equity award to a senior executive.

Rhea-AI Filing Summary

MoonLake Immunotherapeutics reported an equity award to a senior executive. Chief Scientific Officer Kristian Reich filed a Form 4 showing a grant of stock options covering 520,342 Class A ordinary shares at an exercise price of $11.29 per share.

The options were granted on January 7, 2026 and vest in four equal annual installments on January 7, 2027, 2028, 2029, and 2030, as long as he continues to serve the company through each vesting date. Following this grant, he holds 520,342 derivative securities directly.

Insider Trade Summary

Grant/Award: 520,342 shares

Grant/Award 1 txn

Insider Reich Kristian

Role Chief Scientific Officer

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	520,342	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 520,342 contracts (Direct)

Footnotes (1)

1. F1. This option represents a right to purchase a total of 520,342 of the Issuer's Class A ordinary shares, vesting in four equal annual installments on January 7, 2027, 2028, 2029 and 2030, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did MoonLake Immunotherapeutics (MLTX) report in this Form 4?

The filing reports a grant of stock options to Chief Scientific Officer Kristian Reich, giving him the right to buy 520,342 Class A ordinary shares.

How many MoonLake (MLTX) options were granted and at what exercise price?

520,342 stock options were granted, each with an exercise price of $11.29 per Class A ordinary share.

When do the stock options reported for MLTX vest?

The options vest in four equal annual installments on January 7, 2027, 2028, 2029, and 2030, if service conditions are met.

Who is the reporting person in the MoonLake (MLTX) Form 4?

The reporting person is Kristian Reich, who serves as MoonLake Immunotherapeutics' Chief Scientific Officer.

Does this MLTX Form 4 show any stock sales by Kristian Reich?

No. It reports an acquisition of derivative securities via an option grant coded "A," not a sale of shares.

How many MoonLake (MLTX) derivative securities does Kristian Reich hold after this grant?

After the reported transaction, he directly holds 520,342 derivative securities (stock options).

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 01/09/2026 - 04:01 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Reich Kristian

(Last) (First) (Middle)

C/O MOONLAKE IMMUNOTHERAPEUTICS

DORFSTRASSE 29

(Street)

ZUG V8 6300

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MoonLake Immunotherapeutics [ MLTX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Scientific Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/07/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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
Stock Option (Right to Buy)	$11.29	01/07/2026		A		520,342		(1)	01/07/2036	Class A ordinary shares, par value $0.0001 per share	520,342	$0	520,342	D

Explanation of Responses:

1. This option represents a right to purchase a total of 520,342 of the Issuer's Class A ordinary shares, vesting in four equal annual installments on January 7, 2027, 2028, 2029 and 2030, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date.

	/s/ Matthias Bodenstedt, Attorney-in-fact for Kristian Reich	01/09/2026
	** Signature of Reporting Person	Date
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.