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WISE GROUP PLC

Date: 08 September, 2026

/s/ Emmanuel Thomassin

Emmanuel Thomassin

Chief Financial Officer

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

Date: 08 September 2026

Commission File Number: 001-43229

Wise Group plc

(Translation of registrant’s name into English)

1st Floor, Worship Square

65 Clifton Street

London EC2A 4JE

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 ☐

EXHIBIT INDEX

Exhibit No.	Description
99.1	Transaction in Own Shares dated 08 September 2026

Exhibit 99.1

Wise Group plc

Transaction in Own Shares

Wise Group plc (the "Company") announces that from 31 August 2026 up to and including 04 September 2026 it repurchased a total of (i) 674,826 of its Class A ordinary shares on Nasdaq and/or other applicable US trading venues and (ii) 507,952 of its Class A ordinary shares on the London Stock Exchange and other in both cases through Goldman Sachs International or one of its affiliates, as detailed below.

The repurchased Class A ordinary shares will be held in treasury.

Date	Aggregate number of Class A ordinary shares purchased	Volume weighted average price paid per share	Highest price paid per share	Lowest price paid per share	Trading venue
2026-08-31	199,826	USD 13.0594	USD 13.1100	USD 12.9500	NASDAQ
2026-09-01	116,701	GBP 9.5185	GBP 9.6300	GBP 9.3940	XLON
2026-09-01	75,000	GBP 9.5154	GBP 9.6300	GBP 9.3980	CHIX
2026-09-01	150,000	USD 12.9331	USD 13.0500	USD 12.7600	NASDAQ
2026-09-02	124,697	GBP 9.7060	GBP 9.8000	GBP 9.5920	XLON
2026-09-02	100,000	USD 13.1323	USD 13.2500	USD 12.9800	NASDAQ
2026-09-03	72,540	GBP 9.8356	GBP 9.9500	GBP 9.7220	XLON
2026-09-03	100,000	USD 13.2359	USD 13.4600	USD 13.0600	NASDAQ
2026-09-04	119,014	GBP 9.5036	GBP 9.5700	GBP 9.4520	XLON
2026-09-04	125,000	USD 12.8165	USD 12.9600	USD 12.7300	NASDAQ

The repurchases form part of the Company's share buyback program announced on July 21, 2026 (the "Buyback"). In connection with the Buyback, the Company expects to repurchase up to £405 million (approximately $540 million) of its Class A ordinary shares.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation) and Commission Delegated Regulation (EU) 2016/1052 as such legislation forms part of law in the United Kingdom (the "UK") by virtue of the EU (Withdrawal) Act 2018 (as may be amended, extended and/or supplemented from time to time), a detailed breakdown of individual trades made by Goldman Sachs International on behalf of the Company as part of the Buyback is scheduled to this announcement. This announcement is also being made for the purposes of the UK Financial Conduct Authority's Listing Rule 14.3.17(2).

http://www.rns-pdf.londonstockexchange.com/rns/7576T_1-2026-9-7.pdf

Enquiries

Martin Adams - Investor Relations

owners@wise.com

Sana Rahman - Communications

press@wise.com

Brunswick Group

Charles Pretzlik / Emily Murphy

Wise@brunswickgroup.com

+44 (0) 20 7404 5959

About Wise

Wise is a global technology company, building the best way to move and manage the world's money.

With Wise Account and Wise Business, people and businesses can hold 40+ currencies, move money between countries and spend money abroad. Large companies and banks use Wise technology too; an entirely new network for the world's money.

In fiscal year 2026, Wise supported around 19 million people and businesses, processing over $240 billion in cross-border transactions and saving customers over $3 billion

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.