# EDGAR Filing Document

**Accession Number:** 0001352851
**File Stem:** 0001104659-26-079450
**Filing Date:** 2026-6
**Character Count:** 23393
**Document Hash:** 73de8e96c7889ae327c93232e61b06cd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-079450.hdr.sgml**: 20260630

**ACCESSION NUMBER**: 0001104659-26-079450

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 4

**FILED AS OF DATE**: 20260630

**DATE AS OF CHANGE**: 20260630

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PROASSURANCE CORP
- **CENTRAL INDEX KEY:** 0001127703
- **STANDARD INDUSTRIAL CLASSIFICATION:** FIRE, MARINE & CASUALTY INSURANCE [6331]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 631261433
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-61739
- **FILM NUMBER:** 261142100

**BUSINESS ADDRESS:**
- **STREET 1:** 100 BROOKWOOD PLACE
- **CITY:** BIRMINGHAM
- **STATE:** AL
- **ZIP:** 35209
- **BUSINESS PHONE:** 2058774400

**MAIL ADDRESS:**
- **STREET 1:** 100 BROOKWOOD PLACE
- **CITY:** BIRMINGHAM
- **STATE:** AL
- **ZIP:** 35209
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Magnetar Financial LLC
- **CENTRAL INDEX KEY:** 0001352851

**ORGANIZATION NAME:**
- **EIN:** 043818748
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 1603 ORRINGTON AVE.
- **STREET 2:** 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201
- **BUSINESS PHONE:** (847)905-4400

**MAIL ADDRESS:**
- **STREET 1:** 1603 ORRINGTON AVE.
- **STREET 2:** 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201

## Exhibit 99.1

**Exhibit 99.1**

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13D with respect to the Shares of ProAssurance Corp. dated as of June 30, 2026 is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the previsions of Rule13d-1(k) under the Securities Exchange Act of 1934, as amended.

---

| | | |
|:---|:---|:---|
| Date: June 30, 2026 | magnetar financial llc | magnetar financial llc |
|  | By: | Magnetar Capital Partners LP, its Sole Member |
|  | By: | /s/ Hayley Stein |
|  | Name: | Hayley Stein |
|  | Title: | Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC, GP of Magnetar Capital Partners LP, its Sole Member |
| Date: June 30, 2026 | magnetar capital partners LP | magnetar capital partners LP |
|  | By: | Supernova Management LLC, its General Partner |
|  | By: | /s/ Hayley Stein |
|  | Name: | Hayley Stein |
|  | Title: | Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC, its General Partner |
| Date: June 30, 2026 | supernova management llc | supernova management llc |
|  | By: | /s/ Hayley Stein |
|  | Name: | Hayley Stein |
|  | Title: | Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC |
| Date: June 30, 2026 | DAVID J. SNYDERMAN | DAVID J. SNYDERMAN |
|  | By: | /s/ Hayley Stein |
|  | Name: | Hayley Stein |
|  | Title: | Attorney-in-fact for David J. Snyderman |

---

## Exhibit 99.2

**EXHIBIT 99.2**

LIMITED POWER OF ATTORNEY

Know all by these present, that I, <u>David J. Snyderman</u>, hereby make, constitute and appoint each of _<u>Michael Turro</u>_, <u>Karl Wachter</u>_ and <u>Hayley Stein</u>_, or any of them acting individually, and with full power of substitution, as my true and lawful attorney-in-fact for the purpose of executing in my name, (a) in my personal capacity or (b) in my capacity as <u>Manager</u> or in other capacities of <u>Supernova Management LLC</u>, a <u>Delaware limited liability company</u>, and each of its affiliates or entities advised or controlled by me or <u>Supernova Management LLC</u>, all documents, certificates, instruments, statements, filings and agreements ("documents") to be filed with or delivered to the United States Securities and Exchange Commission (the "SEC") pursuant to the Securities and Exchange Act of 1934, as amended (the "Act"), and the rules and regulations promulgated thereunder, including, without limitation, all documents relating to the beneficial ownership of securities required to be filed with the SEC pursuant to Section 13(d) or Section 16(a) of the Act, including, without limitation: (a) any acquisition statements on Schedule 13D or Schedule 13G and any amendments thereto, (b) any joint filing agreements pursuant to Rule 13d-1(k) under the Act, and (c) any initial statements of, or statements of changes in, beneficial ownership of securities on Form 3, Form 4 or Form 5.

All past acts of the attorney-in-fact in furtherance of the foregoing are hereby ratified and confirmed.

This Power of Attorney shall remain in full force and effect until the earlier of it being (a) revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact or (b) superseded by a new power of attorney regarding the purposes outlined herein as of a later date.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this __22__ day of December, 2022.

---

| |
|:---|
| /s/ David J. Snyderman |
| David J. Snyderman |

---

## Exhibit 99.3

**Exhibit 99.3**

**SCHEDULE A**

**Funds**

---

| | |
|:---|:---|
| &nbsp;&nbsp;Date | &nbsp;&nbsp;Number of Shares Bought |
| &nbsp;&nbsp;06/02/2026 | &nbsp;&nbsp;23631&nbsp;&nbsp;23.99172<sup>(3)</sup> |
| &nbsp;&nbsp;06/03/2026 | &nbsp;&nbsp;30359&nbsp;&nbsp;24.44363<sup>(4)</sup> |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) Excludes commissions and other execution-related costs.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) Upon request by the staff of the Securities and Exchange Commission, full information regarding the number of shares bought or sold (as the case may be) at each separate price will be provided.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) Reflects a weighted average purchase price of $23.99172 per share, at prices ranging from $23.89 to $24.05 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4) Reflects a weighted average purchase price of $24.44363 per share, at prices ranging from $24.16 to $24.50 per share.

---

| | |
|:---|:---|
| &nbsp;&nbsp;Date | &nbsp;&nbsp;Number of Shares Sold |
| &nbsp;&nbsp;05/04/2026 | &nbsp;&nbsp; 30783&nbsp;&nbsp;24.65099<sup>(3)</sup> |
| &nbsp;&nbsp; 05/05/2026 | &nbsp;&nbsp;34783&nbsp;&nbsp;24.67775 <sup>(4)</sup> |
| &nbsp;&nbsp;05/06/2026 | &nbsp;&nbsp;1775&nbsp;&nbsp;24.64147 <sup>(5)</sup> |
| &nbsp;&nbsp;05/07/2026 | &nbsp;&nbsp;18655&nbsp;&nbsp;24.64140<sup>(6)</sup> |
| &nbsp;&nbsp;05/08/2026 | &nbsp;&nbsp;46753&nbsp;&nbsp;24.69500<sup>(7)</sup> |
| &nbsp;&nbsp;05/11/2026 | &nbsp;&nbsp;31383&nbsp;&nbsp;24.64771 <sup>(8)</sup> |
| &nbsp;&nbsp;05/12/2026 | &nbsp;&nbsp;13031&nbsp;&nbsp;24.63574<sup>(9)</sup> |
| &nbsp;&nbsp;05/13/2026 | &nbsp;&nbsp;3629&nbsp;&nbsp;24.63041 <sup>(10)</sup> |
| &nbsp;&nbsp;05/14/2026 | &nbsp;&nbsp;411&nbsp;&nbsp;24.62000<sup>(11)</sup> |
| &nbsp;&nbsp;05/15/2026 | &nbsp;&nbsp;435&nbsp;&nbsp;24.65000<sup>(12)</sup> |
| &nbsp;&nbsp;05/18/2026 | &nbsp;&nbsp;4119&nbsp;&nbsp;24.62229<sup>(13)</sup> |
| &nbsp;&nbsp;05/19/2026 | &nbsp;&nbsp;32114&nbsp;&nbsp;24.66614<sup>(14)</sup> |
| &nbsp;&nbsp;05/20/2026 | &nbsp;&nbsp;14555&nbsp;&nbsp;24.66839<sup>(15)</sup> |
| &nbsp;&nbsp;05/21/2026 | &nbsp;&nbsp;11245&nbsp;&nbsp;24.62865 <sup>(16)</sup> |
| &nbsp;&nbsp;05/22/2026 | &nbsp;&nbsp;38549&nbsp;&nbsp;24.63109<sup>(17)</sup> |
| &nbsp;&nbsp;05/26/2026 | &nbsp;&nbsp;33222&nbsp;&nbsp;24.62871<sup>(18)</sup> |
| &nbsp;&nbsp;05/27/2026 | &nbsp;&nbsp;657&nbsp;&nbsp;24.62000<sup>(19)</sup> |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) Excludes commissions and other execution-related costs.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) Upon request by the staff of the Securities and Exchange Commission, full information regarding the number of shares bought or sold (as the case may be) at each separate price will be provided.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) Reflects a weighted average purchase price of $24.65099 per share, at prices ranging from $24.64 to $24.70 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4) Reflects a weighted average purchase price of $24.67775 per share, at prices ranging from $24.65 to $24.72 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5) Reflects a weighted average purchase price of $24.64147 per share, at prices ranging from $24.64 to $24.65 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6) Reflects a weighted average purchase price of $24.64140 per share, at prices ranging from $24.62 to $24.675 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(7) Reflects a weighted average purchase price of $24.69500 per share, at prices ranging from $24.62 to $24.78 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(8) Reflects a weighted average purchase price of $24.64771 per share, at prices ranging from $24.62 to $24.74 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(9) Reflects a weighted average purchase price of $24.63574 per share, at prices ranging from $24.62 to $24.66 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(10) Reflects a weighted average purchase price of $24.63039 per share, at prices ranging from $24.62 to $24.65 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(11) Reflects a weighted average purchase price of $24.62000 per share, at prices ranging from $24.62 to $24.62 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(12) Reflects a weighted average purchase price of $24.65000 per share, at prices ranging from $24.65 to $24.65 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(13) Reflects a weighted average purchase price of $24.62229 per share, at prices ranging from $24.62 to $24.62 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(14) Reflects a weighted average purchase price of $24.66614 per share, at prices ranging from $24.63 to $24.71 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(15) Reflects a weighted average purchase price of $24.66839 per share, at prices ranging from $24.62 to $24.71 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(16) Reflects a weighted average purchase price of $24.62865 per share, at prices ranging from $24.62 to $24.64 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(17) Reflects a weighted average purchase price of $24.63109 per share, at prices ranging from $24.62 to $24.67 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(18) Reflects a weighted average purchase price of $24.62871 per share, at prices ranging from $24.62 to $24.66 per share.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(19) Reflects a weighted average purchase price of $24.62000 per share, at prices ranging from $24.62 to $24.62 per share.

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**PROASSURANCE CORPORATION**

*(Name of Issuer)*

**Common Stock, par value $.01**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**David J. Snyderman**<br>1603 Orrington Avenue<br>13th Floor<br>Evanston IL 60201<br>847-905-4400

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**06/26/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Magnetar Financial LLC** | Name of reporting person<br>**Magnetar Financial LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IA** | Type of Reporting Person (See Instructions)<br>**IA** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Magnetar Capital Partners LP** | Name of reporting person<br>**Magnetar Capital Partners LP** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**HC** | Type of Reporting Person (See Instructions)<br>**HC** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Supernova Management LLC** | Name of reporting person<br>**Supernova Management LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**HC** | Type of Reporting Person (See Instructions)<br>**HC** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**David J. Snyderman** | Name of reporting person<br>**David J. Snyderman** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $.01

**(b) Name of Issuer:**
PROASSURANCE CORPORATION

**(c) Address of Issuer's Principal Executive Offices:**
100 Brookwood Place, Birmingham, AL, 35209

**Item 4. Purpose of Transaction**

Since the filing of the Schedule 13D on April 4, 2025, on June 26, 2026, the Issuer consummated the merger (the "Merger") pursuant to which each issued and outstanding Share was cancelled and converted into the right to receive $25.00 in cash, without interest. In connection with the Merger, the Reporting Persons' 2,615,966 Shares, which consisted of 896,690 Shares sold for the benefit of PRA Master Fund; 644,313 Shares sold for the benefit of Systematic Master Fund; 290,659 Shares sold for the benefit of the Relative Value Master Fund and 784,304 Shares sold for the benefit of two Managed Accounts, were cancelled and converted into the right to receive $25.00 in cash, without interest.

**Item 5. Interest in Securities of the Issuer**

**(a)**
As of the close of business on June 26, 2026, each of the Reporting Persons may have been deemed to have beneficial ownership and the power to vote and direct the disposition of 0 Shares, which represented beneficial ownership of 0% of the Shares.

**(b)**
As of the close of business on June 26, 2026, each of the Reporting Persons may have been deemed to have beneficial ownership and the power to vote and direct the disposition of 0 Shares, which represented beneficial ownership of 0% of the Shares.

**(c)**
The response to Item 4 of this Amendment No. 1 is incorporated herein by reference. The Reporting Persons purchased additional 53,990 Shares in aggregate totaling $1,309,032.67 (excluding commissions and other execution-related costs) on behalf of the Funds in the prior sixty days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

N/A

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Magnetar Financial LLC

**Signature:** /s/ Hayley Stein

**Name/Title:** Hayley Stein, Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC, GP of Magnetar Capital Partners LP, Member

**Date:** 06/30/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Magnetar Capital Partners LP

**Signature:** /s/ Hayley Stein

**Name/Title:** Hayley Stein, Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC, its General Partner

**Date:** 06/30/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Supernova Management LLC

**Signature:** /s/ Hayley Stein

**Name/Title:** Hayley Stein, Attorney-in-fact for David J. Snyderman, Administrative Manager of Supernova Management LLC

**Date:** 06/30/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** David J. Snyderman

**Signature:** /s/ Hayley Stein

**Name/Title:** Hayley Stein, Attorney-in-fact for David J. Snyderman

**Date:** 06/30/2026