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6-K

KNOT Offshore Partners LP (KNOP)

6-K 2026-06-10 For: 2026-06-10
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Added on June 10, 2026

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 June 2026

Commission File Number: 001-35866


KNOT Offshore Partners LP

(Translation of registrant’s name into English)


2 Queen’s Cross,

Aberdeen, AB15 4YB

United Kingdom

(Address of principal executive office)


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 ☐

ITEM 1–INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Attached as Exhibit 99.1 is a copy of the press release of KNOT Offshore Partners LP dated June 10, 2026.

ITEM 2– EXHIBITS

The following exhibits are filed as a part of this report:

Exhibit<br>Number ​ ​ ​ Exhibit Description
99.1 Press release dated June 10, 2026.

​ 2

SIGNATURE

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.

KNOT OFFSHORE PARTNERS LP
Date: June 10, 2026 By: /s/ Derek Lowe
Name: Derek Lowe
Title: Chief Executive Officer and Chief Financial Officer

​ 3

Exhibit 99.1

KNOT Offshore Partners LP Announces Update to Vessel Acquisition Schedule

KNOP has been offered three shuttle tankers by Knutsen NYK
Conflicts Committee has decided not to pursue Frida Knutsen and Sindre Knutsen
--- ---
Negotiations are under way regarding the Hedda Knutsen
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June 10, 2026

ABERDEEN, Scotland --(BUSINESS WIRE)

KNOT Offshore Partners LP (NYSE:KNOP) (“KNOP”, “we” or ”us”) today provided an update to the schedule of vessels available for acquisition from our Sponsor, Knutsen NYK Offshore Tankers AS (“Knutsen NYK”).

Earlier in June, Knutsen NYK sought the interest of KNOP in purchasing the shuttle tankers Frida Knutsen, Sindre Knutsen and Hedda Knutsen, pursuant to the omnibus agreement entered into between KNOP and Knutsen NYK at the time of our initial public offering.

The Conflicts Committee of our Board, which is comprised only of directors who are not affiliated with Knutsen NYK, has decided not to pursue negotiations in respect of the Frida Knutsen and Sindre Knutsen. These vessels have been in operation in the North Sea since late 2022 and fall outside our business model as they do not have fixed or guaranteed charter contracts of sufficient duration.

As a result, Knutsen NYK has no further obligation to offer the Frida Knutsen or the Sindre Knutsen to KNOP unless in future either vessel secures a charter of at least 5 years of fixed duration.

The Conflicts Committee is engaging in negotiations with Knutsen NYK in respect of the Hedda Knutsen.

About KNOT Offshore Partners LP

KNOT Offshore Partners LP owns, operates and acquires shuttle tankers primarily under long-term charters in the offshore oil production regions of Brazil and the North Sea.

KNOT Offshore Partners LP is structured as a publicly traded master limited partnership but is classified as a corporation for U.S. federal income tax purposes, and thus issues a Form 1099 to its unitholders, rather than a Form K-1. KNOT Offshore Partners LP’s common units trade on the New York Stock Exchange under the symbol “KNOP”.

KNOT Offshore Partners LP

Derek Lowe Chief Executive Officer and Chief Financial Officer Email: [email protected]

Tel: +44 1224 618 420

Source: KNOT Offshore Partners LP