NLS Pharmaceutics Ltd. — M&A Activity 2025

Sep 30, 2025

6-K 1 ea0259375-6k_nlspharma.htm REPORT OF FOREIGN PRIVATE ISSUER

Field: Rule-Page

Field: /Rule-Page

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

For the month of September 2025 (Report No. 4)

Commission file number: 001-39957

NLS PHARMACEUTICS LTD.

(Translation of registrant’s name into English)

The Circle 6

8058 Zurich, Switzerland

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

Field: Rule-Page

Field: /Rule-Page

Field: Page; Sequence: 1; Options: NewSection

Field: /Page

CONTENTS

On September 30, 2025, NLS Pharmaceutics Ltd. issued a press release titled: “NLS Pharmaceutics Shareholders Approve Merger with Kadimastem and Related Proposals at Extraordinary General Meeting.” A copy of this press release is furnished herewith as Exhibit 99.1.

Field: Page; Sequence: 2; Options: NewSection; Value: 1

Field: Sequence; Type: Arabic; Name: PageNo 1 Field: /Sequence

Field: /Page

EXHIBIT INDEX

Exhibit Number	Description of Document
99.1	Press release titled: “NLS Pharmaceutics Shareholders Approve Merger with Kadimastem and Related Proposals at Extraordinary General Meeting.”

Field: Page; Sequence: 3; Value: 1

Field: Sequence; Type: Arabic; Name: PageNo 2 Field: /Sequence

Field: /Page

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

/s/ Alexander Zwyer
Name:	Alexander Zwyer
Title:	Chief Executive Officer

3

Field: Rule-Page

Field: /Rule-Page