# EDGAR Filing Document

**Accession Number:** 0001091748
**File Stem:** 0001140361-25-036075
**Filing Date:** 2025-9
**Character Count:** 3252
**Document Hash:** 2a0295653a56b6d5d9dc57cbd5c5cfac
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-036075.hdr.sgml**: 20250925

**ACCESSION NUMBER**: 0001140361-25-036075

**CONFORMED SUBMISSION TYPE**: 15-12G

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250925

**DATE AS OF CHANGE**: 20250925

**EFFECTIVENESS DATE**: 20250925

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Argo Group International Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001091748
- **STANDARD INDUSTRIAL CLASSIFICATION:** TITLE INSURANCE [6361]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 980214719
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 15-12G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15259
- **FILM NUMBER:** 251340258

**BUSINESS ADDRESS:**
- **STREET 1:** 501 7TH AVENUE, 7TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018
- **BUSINESS PHONE:** 2103218400

**MAIL ADDRESS:**
- **STREET 1:** 501 7TH AVENUE, 7TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Argo Group International Holdings, Ltd.
- **DATE OF NAME CHANGE:** 20070807

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PXRE GROUP LTD
- **DATE OF NAME CHANGE:** 19990724

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**UNITED STATES**

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### FORM 15

#### CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

#### UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

#### OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

#### OF THE SECURITIES EXCHANGE ACT OF 1934.

#### Commission File Number 001-15259

## ARGO GROUP INTERNATIONAL HOLDINGS, INC.

#### (Exact name of registrant as specified in its charter)

#### 501 7th Avenue

#### 7th Floor

#### New York, New York 10018
(210) 321-8400

#### (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)

#### 6.500% Senior Notes due 2042 issued by Argo Group US, Inc. and the Guarantee With Respects Thereto

#### Depositary Shares, Each Representing a 1/1000th Interest in 7.00% Resettable Fixed Rate Preferred Stock, Series A, Par Value $1.00 Per Share

#### (Title of each class of securities covered by this Form)

#### None

#### (Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the rule provision relied upon to strike the class of securities from listing and registration:

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| | |
|:---|:---|
| Rule 12g-4(a)(1) | ☒ |
| Rule 12g-4(a)(2) | ☐ |
| Rule 12h-3(b)(1)(i) | ☒ |
| Rule 12h-3(b)(1)(ii) | ☐ |
| Rule 15d-6 | ☐ |
| Rule 15d-22(b) | ☐ |

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Approximate number of holders of record as of the certification or notice date: None

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Pursuant to the requirements of the Securities Exchange Act of 1934, Argo Group International Holdings, Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

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| | | |
|:---|:---|:---|
| Date: September 25, 2025 | Argo Group International Holdings, Inc. | Argo Group International Holdings, Inc. |
|  | By: | /s/ Michael Tiliakos |
|  | Name: | Michael Tiliakos |
|  | Title: | General Counsel and Secretary |

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