# EDGAR Filing Document

**Accession Number:** 0002009246
**File Stem:** 0000905148-25-002639
**Filing Date:** 2025-7
**Character Count:** 16373
**Document Hash:** aef3a799f7bc4bc9c0ff4492567dde44
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000905148-25-002639.hdr.sgml**: 20250729

**ACCESSION NUMBER**: 0000905148-25-002639

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250725

**FILED AS OF DATE**: 20250729

**DATE AS OF CHANGE**: 20250729

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Schwartz Keoni Andrew
- **CENTRAL INDEX KEY:** 0002009246

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42765
- **FILM NUMBER:** 251163651

**MAIL ADDRESS:**
- **STREET 1:** C/O ACCELERANT RE (CAYMAN) LTD.
- **STREET 2:** #106, WINDWARD 3, REGATTA OFFICE PARK
- **CITY:** WEST BAY ROAD, GRAND CAYMAN
- **STATE:** E9
- **ZIP:** KY1-1108
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ACP Insurance Management, LLC
- **CENTRAL INDEX KEY:** 0002078277

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42765
- **FILM NUMBER:** 251163649

**BUSINESS ADDRESS:**
- **STREET 1:** 400 HAMILTON AVE.
- **STREET 2:** SUITE 230
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94301
- **BUSINESS PHONE:** 650-264-7750

**MAIL ADDRESS:**
- **STREET 1:** 400 HAMILTON AVE.
- **STREET 2:** SUITE 230
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94301
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ACP Accelerant Holdings, L.P.
- **CENTRAL INDEX KEY:** 0002078270

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42765
- **FILM NUMBER:** 251163650

**BUSINESS ADDRESS:**
- **STREET 1:** 400 HAMILTON AVE.
- **STREET 2:** SUITE 230
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94301
- **BUSINESS PHONE:** 650-264-7750

**MAIL ADDRESS:**
- **STREET 1:** 400 HAMILTON AVE.
- **STREET 2:** SUITE 230
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94301
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Accelerant Holdings
- **CENTRAL INDEX KEY:** 0001997350
- **STANDARD INDUSTRIAL CLASSIFICATION:** INSURANCE AGENTS BROKERS & SERVICES [6411]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 981753044
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** P.O. BOX 309 UGLAND HOUSE
- **CITY:** GRAND CAYMAN
- **STATE:** E9
- **ZIP:** KY1-1044
- **BUSINESS PHONE:** (302) 658-7581

**MAIL ADDRESS:**
- **STREET 1:** 1209 ORANGE STREET
- **STREET 2:** C/O THE CORPORATION TRUST COMPANY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Schwartz Keoni Andrew<br><sub>(Last) (First) (Middle)</sub><br>400 HAMILTON AVENUE<br>SUITE 230<br><sub>(Street)</sub><br>PALO ALTO, CA 94301<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-07-25 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Accelerant Holdings [ ARX ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>ACP Accelerant Holdings, L.P.<br><sub>(Last) (First) (Middle)</sub><br>400 HAMILTON AVENUE<br>SUITE 230<br><sub>(Street)</sub><br>PALO ALTO, CA 94301<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-07-25 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Accelerant Holdings [ ARX ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>ACP Insurance Management, LLC<br><sub>(Last) (First) (Middle)</sub><br>400 HAMILTON AVENUE<br>SUITE 230<br><sub>(Street)</sub><br>PALO ALTO, CA 94301<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-07-25 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Accelerant Holdings [ ARX ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Shares | 2025-07-25 |  | C<sup>(4)</sup> |  | 8111253 | A | <sup>(4)</sup> | 8111253 | I | See Footnote<sup>(2)</sup> |
| Class A Common Shares | 2025-07-25 |  | S<sup>(4)</sup> |  | 8111253 | D | $21 | 0 | I | See Footnote<sup>(2)</sup> |
| Class A Common Shares | 2025-07-25 |  | C<sup>(4)</sup> |  | 2670456 | A | <sup>(4)</sup> | 2670456 | I | See Footnote<sup>(5)</sup> |
| Class A Common Shares | 2025-07-25 |  | S<sup>(4)</sup> |  | 2670456 | D | $21 | 0 | I | See Footnote<sup>(5)</sup> |
| Class A Common Shares | 2025-07-25 |  | C<sup>(4)</sup> |  | 488131 | A | <sup>(4)</sup> | 488131 | I | See Footnote<sup>(7)</sup> |
| Class A Common Shares | 2025-07-25 |  | S<sup>(4)</sup> |  | 488131 | D | $21 | 0 | I | See Footnote<sup>(7)</sup> |
| Class A Common Shares | 2025-07-25 |  | C<sup>(4)</sup> |  | 326312 | A | <sup>(4)</sup> | 326312 | I | See Footnote<sup>(8)</sup> |
| Class A Common Shares | 2025-07-25 |  | S<sup>(4)</sup> |  | 326312 | D | $21 | 0 | I | See Footnote<sup>(8)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| LP Interests of Accelerant Holdings LP | <sup>(1)</sup> | 2025-07-25 |  | C |  |  | 8491134079 | <sup>(1)</sup> | <sup>(1)</sup> | Class B Common Shares | 90196595 | $0 | 0 | I | See Footnote<sup>(2)</sup> |
| Class B Common Shares | <sup>(3)</sup> | 2025-07-25 |  | C |  | 90196595 |  | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Shares | 90196595 | <sup>(1)</sup> | 90196595 | I | See Footnote<sup>(2)</sup> |
| Class B Common Shares | <sup>(3)</sup> | 2025-07-25 |  | C<sup>(4)</sup> |  |  | 8111253 | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Shares | 8111253 | <sup>(4)</sup> | 82085342 | I | See Footnote<sup>(2)</sup> |
| LP Interests of Accelerant Holdings LP | <sup>(1)</sup> | 2025-07-25 |  | C |  |  | 100 | <sup>(1)</sup> | <sup>(1)</sup> | Class B Common Shares | 2670456 | $0 | 0 | I | See Footnote<sup>(5)</sup> |
| Class B Common Shares | <sup>(3)</sup> | 2025-07-25 |  | C |  | 2670456 |  | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Shares | 2670456 | <sup>(1)</sup> | 2670456 | I | See Footnote<sup>(5)</sup> |
| Class B Common Shares | <sup>(3)</sup> | 2025-07-25 |  | C<sup>(4)</sup> |  |  | 2670456 | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Shares | 2670456 | <sup>(4)</sup> | 0 | I | See Footnote<sup>(5)</sup> |
| Convertible Preference Shares | <sup>(6)</sup> | 2025-07-25 |  | C |  |  | 5427970 | <sup>(6)</sup> | <sup>(6)</sup> | Class B Common Shares | 5427970 | $0 | 0 | I | See Footnote<sup>(7)</sup> |
| Class B Common Shares | <sup>(3)</sup> | 2025-07-25 |  | C |  | 5427970 |  | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Shares | 5427970 | <sup>(1)</sup> | 5427970 | I | See Footnote<sup>(7)</sup> |
| Class B Common Shares | <sup>(3)</sup> | 2025-07-25 |  | C<sup>(4)</sup> |  |  | 488131 | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Shares | 488131 | <sup>(4)</sup> | 4939839 | I | See Footnote<sup>(7)</sup> |
| Convertible Preference Shares | <sup>(6)</sup> | 2025-07-25 |  | C |  |  | 3628575 | <sup>(6)</sup> | <sup>(6)</sup> | Class B Common Shares | 3628575 | $0 | 0 | I | See Footnote<sup>(8)</sup> |
| Class B Common Shares | <sup>(3)</sup> | 2025-07-25 |  | C |  | 3628575 |  | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Shares | 3628575 | <sup>(1)</sup> | 3628575 | I | See Footnote<sup>(8)</sup> |
| Class B Common Shares | <sup>(3)</sup> | 2025-07-25 |  | C<sup>(4)</sup> |  |  | 326312 | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Shares | 326312 | <sup>(4)</sup> | 3302263 | I | See Footnote<sup>(8)</sup> |
| Redeemable Preference Shares | <sup>(9)</sup> | 2025-07-25 |  | J<sup>(9)</sup> |  |  | 909791 | <sup>(9)</sup> | <sup>(9)</sup> | Common Shares | 909791 | $31.55 | 0 | I | See Footnote<sup>(7)</sup> |

---

### Footnotes:

(1) In connection with the Issuer's initial public offering ("IPO"), these limited partnership interests of Accelerant Holdings LP were exchanged for Class B Common Shares of the Issuer in proportion to the economic interests represented by the limited partnership interests.

(2) These securities are held directly by ACP Accelerant Holdings, L.P. Each of (i) ACP Insurance Management, LLC, as the general partner of ACP Accelerant Holdings, L.P., and (ii) Keoni Schwartz ("Mr. Schwartz"), as the sole owner and managing member of ACP Insurance Management, LLC, may be deemed to have voting and dispositive power over these securities, but disclaim beneficial ownership over these securities except to the extent of their respective pecuniary interest therein, if any.

(3) Each holder of Class B Common Shares has the right to convert their Class B Common Shares into Class A Common Shares on a 1-for-1 basis at any time and at their option. Additionally, Class B Common Shares will automatically convert into Class A Common Shares, on a 1-for-1 basis, immediately following a transfer to any non-permitted holder of Class B Common Shares, and all outstanding Class B Common Shares will automatically convert into Class A Common Shares, on a 1-for-1 basis, on the earlier of: (i) if at any time following the consummation of the IPO, the holders of the Class B Common Shares immediately prior to the consummation of the IPO hold less than 50% of the total Class B Common Shares then in issue, and (ii) the third anniversary of the consummation of the Issuer's IPO.

(4) These Class B Common Shares converted into Class A Common Shares on a 1-for-1 basis and then were sold pursuant to an underwriting agreement dated as of July 23, 2025, by and among the Issuer, the selling stockholders, and the underwriters named therein in connection with the Issuer's IPO.

(5) These securities are held directly by ACP Accelerant Investment Holding Company, Ltd. ACP Accelerant Holdings, L.P. is the sole owner of ACP Accelerant Investment Holding Company, Ltd. Each of (i) ACP Insurance Management, LLC, as the general partner of ACP Accelerant Holdings, L.P., and (ii) Mr. Schwartz, as the sole owner and managing member of ACP Insurance Management, LLC, may be deemed to have voting and dispositive power over these securities, but disclaim beneficial ownership over these securities except to the extent of their respective pecuniary interest therein, if any.

(6) In connection with the Issuer's IPO, these shares of the Issuer's Preference Shares automatically converted into Class B Common Shares of the Issuer at a 1-for-1 conversion rate.

(7) These securities are held directly by ACP Accelerant Co-Invest, LLC. Each of (i) ACP Insurance Management, LLC, as the managing member of ACP Accelerant Co-Invest, LLC, and (ii) Mr. Schwartz, as the sole owner and managing member of ACP Insurance Management, LLC, may be deemed to have voting and dispositive power over these securities, but disclaim beneficial ownership over these securities except to the extent of their respective pecuniary interest therein, if any.

(8) These securities are held directly by ACP Accelerant Investment Holding Company II, Ltd. ACP Accelerant Holdings, L.P. is the sole owner of ACP Accelerant Investment Holding Company II, Ltd. Each of (i) ACP Insurance Management, LLC, as the general partner of ACP Accelerant Holdings, L.P., and (ii) Mr. Schwartz, as the sole owner and managing member of ACP Insurance Management, LLC, may be deemed to have voting and dispositive power over these securities, but disclaim beneficial ownership over these securities except to the extent of their respective pecuniary interest therein, if any.

(9) In connection with the Issuer's IPO, ACP Accelerant Co-Invest, LLC elected to have these Redeemable Preference Shares redeemed at a redemption price of $31.55 per share.

**Signature:** Keoni Andrew Schwartz, By: /s/ Robert Hardy, Attorney-in-Fact  
**Date:** 2025-07-29

**Signature:** ACP Accelerant Holdings, L.P., By: /s/ Jennifer Mello, Attorney-in-Fact  
**Date:** 2025-07-29

**Signature:** ACP Insurance Management, LLC, By: /s/ Jennifer Mello, Attorney-in-Fact  
**Date:** 2025-07-29

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**