[6-K] QIAGEN N.V. Current Report (Foreign Issuer)

Rhea-AI Filing Summary

QIAGEN N.V. submitted a Form 6-K noting that it has issued a press release with details on completing a synthetic share repurchase plan. This plan combines a direct capital repayment to shareholders with a reverse stock split, which together are intended to adjust the company’s share structure while returning capital.

The press release, dated December 18, 2025, is included as Exhibit 99.1 and is incorporated by reference, meaning the detailed terms of the synthetic share repurchase and reverse stock split are provided in that accompanying document.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 6-K

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Report of Foreign Private Issuer

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

under the Securities Exchange Act of 1934

For the month of December 2025

Commission File Number 001-38332

QIAGEN N.V.

Hulsterweg 82

5912 PL Venlo

The Netherlands

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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 ý            Form 40-F o

QIAGEN N.V.

Form 6-K

Table of Contents

Item						Page
Other Information						3
Signatures						4
Exhibit Index						5

2

Other Information

On December 18, 2025, QIAGEN N.V. (NYSE: QGEN; Frankfurt Prime Standard: QIA) issued a press release with details for completion of a synthetic share repurchase plan that combines a direct capital repayment with a reverse stock split. The press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein.

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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.

			QIAGEN N.V.
By:			/s/ Roland Sackers
			Roland Sackers
			Chief Financial Officer
Date:			December 19, 2025

4

Exhibit Index

Exhibit No.						Exhibit
99.1						Press Release dated December 18, 2025

5