ASLN ASLAN Pharmaceuticals Ltd

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 20-F/A

Amendment No. 1

(Mark One)

OR

For the fiscal year ended December 31, 2020

OR

for the transition period from                      to                     

OR

Date of event requiring this shell company report

Commission file number 001-38475

ASLAN Pharmaceuticals Limited

(Exact name of Registrant as specified in its charter)

Not Applicable

(Translation of Registrant’s name into English)

Cayman Islands

(Jurisdiction of incorporation)

83 Clemenceau Avenue #12-03 UE Square

Singapore 239920

(address of principal executive offices)

Carl Firth

Chief Executive Officer

ASLAN Pharmaceuticals Limited

83 Clemenceau Avenue #12-03 UE Square

Singapore 239920

E-mail: investor@aslanpharma.com

(Name, Telephone, E-mail and/or Facsimile number and Address of Company Contact Person)

Securities registered or to be registered, pursuant to Section 12(b) of the Act:

Securities registered or to be registered pursuant to Section 12(g) of the Act: None

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None

Indicate the number of outstanding shares of each of the issuer’s classes of capital stock or common stock as of the close of business covered by the annual report.

Ordinary shares, par value $0.01 per share: 237,663,300 ordinary shares as of December 31, 2020, comprised of (i) 209,675,470 ordinary shares that are fully paid, issued and outstanding and (ii) 27,987,830 ordinary shares that are outstanding and have been issued to JPMorgan Chase Bank, N.A., as depositary, for future sales and issuances of ADSs, if any, as further described in this annual report.

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  ☐    No  ☒

If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934.    Yes  ☐    No  ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ☒    No  ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  ☒    No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards † provided pursuant to Section 13(a) of the Exchange Act.    ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404 (b) of the Sarbanes-Oxley Act (15. U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.    ☐  Yes    ☒  No

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing:

If “Other” has been checked in response to the previous question indicate by check mark which financial statement item the registrant has elected to follow.    Item 17  ☐    Item 18  ☐

If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ☐    No  ☒

EXPLANATORY NOTE

On April 23, 2021, ASLAN Pharmaceuticals Limited (the “Company”) filed its Annual Report on Form 20-F for the fiscal year ended December 31, 2020 (the “Original Form 20-F”). This Amendment No. 1 (the “Amendment”) amends the Original Form 20-F solely to revise the consents of our independent accounting firms, Deloitte & Touche LLP, Singapore (“Deloitte Singapore”) and Deloitte & Touche, Taipei, Taiwan, Republic of China (“Deloitte Taiwan”), filed originally as Exhibits 15.1 and 15.2, respectively. The consents included in the Original Form 20-F inadvertently omitted the incorporation by reference into the Company’s Registration Statement on Form F-3 (File No. 333-234405), Registration Statement on Form F-3 (File No. 333-252575) and Registration Statement on Form F-3 (File No. 333-254768). The revised consents by each of Deloitte Singapore and Deloitte Taiwan are filed hereto as Exhibits 15.1 and 15.2, respectively.

In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), new certifications by the Company’s principal executive officer and principal financial officer are filed herewith as exhibits to this Amendment pursuant to Rule 13a-14(a) of the Exchange Act.

Other than with respect to the foregoing, this Amendment speaks as of the filing date of the Original Form 20-F and does not reflect any other events occurring after the filing of the Original Form 20-F. No revisions are being made to the Company’s financial statements or any other disclosure contained in the Original Form 20-F. This Amendment does not otherwise update any other exhibits as originally filed.