Company: KNSL
Filing Date: 2025-08-27
Form Type: S-3ASR
Source: 0001669162-25-000052
Chunk: 1

Company: Kinsale Capital Group, Inc.
Filing Date: 2025-08-27
Form: S-3ASR
Chunk 1
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 under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box.

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box.

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

| Large accelerated filer |     | Accelerated filer         |
| Non-accelerated filer   |     | Smaller reporting company |
|                         |     | Emerging growth company   |

If an emerging growth company, 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 7(a)(2)(B) of the Securities Act.

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#### Prospectus

#### Kinsale Capital Group, Inc.

#### Common Stock

#### Preferred Stock

#### Depositary Shares

#### and

#### Warrants
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We may offer, issue and sell, together or separately, from time to time:

• shares of our common stock;

• shares of our preferred stock, which may be issued in one or more series;

• depositary shares; and

• warrants to purchase shares of our common stock or our preferred stock.

In addition, selling stockholders may offer and sell, from time to time, these securities on terms described in a prospectus supplement.

This prospectus describes some of the general terms that may apply to these securities. The specific terms of any securities to be offered will be