Company: ASC
Filing Date: 2025-06-18
Form Type: 6-K
Source: 0001558370-25-008706
Chunk: 0

Company: Ardmore Shipping Corp
Filing Date: 2025-06-18
Form: 6-K
Chunk 0
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<div align='center'>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 of report: June 18, 2025

Commission File Number: 001-36028

ARDMORE SHIPPING CORPORATION

(Translation of registrant’s name into English)

Dorchester House

7 Church Street

Hamilton, HM11

Bermuda

(Address of principal executive office)</div>

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 ☐

Submission of Matters to a Vote of Security Holders Ardmore Shipping Corporation (the “Company”) held its 2025 Annual Meeting of Shareholders on June 17, 2025. The following persons were elected Class III Directors of the Company for a term of three years by the votes set forth opposite their names:

| Name                  |   |  Votes For |   | Votes Withheld |
| Mr. Curtis McWilliams | ​ | 20,321,031 | ​ |      2,774,527 |
| Mr. James Fok         | ​ | 22,265,744 | ​ |        829,814 |
| ​                     | ​ |          ​ | ​ |              ​ |

The other, continuing members of the board of directors of the Company are: Class I Directors Mats Berglund, Kirsi Tikka and Gernot Ruppelt (terms expiring at the 2026 Annual Shareholder Meeting) and Class II Directors Helen Tveitan de Jong and Bart Kelleher (terms expiring at the 2027 Annual Shareholder Meeting).

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: June 18, 2025 | ARDMORE SHIPPING CORPORATION 
 ​                            
 By:                          | /s/ Bart B. Kelleher    |
|:--------------------|:-----------------------------|:------------------------|
| ​                   | ​                            | Bart B. Kelleher        |
| ​                   | ​                            | Chief Financial Officer