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 October 2019

Commission File Number: 001-38313

iClick Interactive Asia Group Limited

(Translation of registrant’s name into English)

15/F

Prosperity Millennia Plaza

663 King’s Road, Quarry Bay

Hong Kong S.A.R., People’s Republic of China

Tel: +852 3700 9000

(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 x Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b) (1):  o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b) (7):  o

EXHIBIT INDEX

2

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.

Date: October 8, 2019

3

Exhibit 99.1

iClick Interactive Asia Group Limited Partial Buyback of Convertible Notes

Hong Kong, October 4, 2019 — iClick Interactive Asia Group Limited (“iClick” or the “Company”) (NASDAQ: ICLK), today announced that it has entered into a purchase agreement with a fund managed by LIM Advisors Limited (“LIM”), the holder of its mandatory convertible notes due September 12, 2023 (the “Notes”), to buy back US$20 million in aggregate principal amount of the Notes at the purchase price and payment schedule set forth in the purchase agreement.

Pursuant to the terms of a lock-up letter in connection with the purchase agreement, subject to specified termination events, LIM will not exercise any conversion right relating to the Notes, sell, transfer or assign the Notes, or create any lien on the Notes for a period of six months from the date thereof.

“Our buyback of these Notes represents our confidence in the current and future direction in which iClick is headed,” said Sammy Hsieh, co-founder and CEO of iClick.  “We continue to believe in our evolving business model and have already begun to see positive outcomes.  The buyback of these Notes is emblematic of that belief.”

This press release shall not constitute an offer to sell or a solicitation of an offer to purchase any securities, nor shall there be a sale of the securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful.

About iClick Interactive Asia Group Limited

iClick Interactive Asia Group Limited (NASDAQ: ICLK) is an independent online marketing and enterprise data solutions provider that connects worldwide marketers with audiences in China. Built on cutting-edge technologies, our proprietary platform possesses omni-channel marketing capabilities and fulfils various marketing objectives in a data-driven and automated manner, helping both international and domestic marketers reach their target audiences in China. Headquartered in Hong Kong, iClick was established in 2009 and is currently operating in ten locations worldwide including Asia and Europe.

Safe Harbor Statement

This announcement contains forward-looking statements. These statements constitute “forward-looking” statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as “will,” “expects,” “anticipates,” “future,” “intends,” “plans,” “believes,” “estimates,” “confident” and similar statements. Such statements are based upon management’s current expectations and current market and operating conditions and relate to events that involve known or unknown risks, uncertainties and other factors, all of which are difficult to predict and many of which are beyond the Company’s control. Forward-looking statements involve inherent risks and uncertainties. A number of factors could cause actual results to differ materially from those contained in any forward-looking statement, including but not limited to the following: the Company’s fluctuations in growth; its success in implementing its mobile and new retail strategies; including extending its solutions

beyond its core online marketing business; its success in structuring a CRM & Marketing Cloud platform; relative percentage of its gross billing recognized as revenue under the gross and net models; its ability to retain existing clients or attract new ones; its ability to retain content distribution channels and negotiate favorable contractual terms; market competition, including from independent online marketing technology platforms as well as large and well-established internet companies; market acceptance of online marketing technology solutions and enterprise solutions; effectiveness of its algorithms and data engines; its ability to collect and use data from various sources; ability to integrate and realize synergies from acquisitions, investments or strategic partnership; fluctuations in foreign exchange rates; and general economic conditions in China and other jurisdictions where the Company operates; and the regulatory landscape in China and other jurisdictions where the Company operates. Further information regarding these and other risks is included in the Company’s annual report on Form 20-F and other filings with the SEC. All information provided in this press release and in the attachments is as of the date of this press release, and the Company undertakes no obligation to update any forward-looking statement, except as required under applicable law.

For investor and media inquiries, please contact:

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