# EDGAR Filing Document

**Accession Number:** 0000890926
**File Stem:** 0000890926-26-000047
**Filing Date:** 2026-5
**Character Count:** 7725
**Document Hash:** 9ee536c28e0aa0c8746306ad2a2c5d0d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000890926-26-000047.hdr.sgml**: 20260519

**ACCESSION NUMBER**: 0000890926-26-000047

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260515

**FILED AS OF DATE**: 20260519

**DATE AS OF CHANGE**: 20260519

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Keleher Stephen
- **CENTRAL INDEX KEY:** 0002113057

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-11356
- **FILM NUMBER:** 261000559

**MAIL ADDRESS:**
- **STREET 1:** 550 EAST SWEDESFORD RD.
- **STREET 2:** SUITE 350
- **CITY:** WAYNE
- **STATE:** PA
- **ZIP:** 19087
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RADIAN GROUP INC
- **CENTRAL INDEX KEY:** 0000890926
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURETY INSURANCE [6351]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 232691170
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 550 EAST SWEDESFORD ROAD
- **STREET 2:** SUITE 350
- **CITY:** WAYNE
- **STATE:** PA
- **ZIP:** 19087
- **BUSINESS PHONE:** 2155646600

**MAIL ADDRESS:**
- **STREET 1:** 550 EAST SWEDESFORD ROAD
- **STREET 2:** SUITE 350
- **CITY:** WAYNE
- **STATE:** PA
- **ZIP:** 19087

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CMAC INVESTMENT CORP
- **DATE OF NAME CHANGE:** 19960126

### 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>Keleher Stephen<br><sub>(Last) (First) (Middle)</sub><br>RADIAN GROUP INC., 550 E SWEDESFORD ROAD

#350<br><sub>(Street)</sub><br>WAYNE, PA 19087<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Sr. EVP, Co-Head of MI_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>RADIAN GROUP INC [ RDN ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] 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 |
| Common Stock | 2026-05-15 |  | M |  | 13050<sup>(1)</sup> | A | 0<sup>(2)</sup> | 36560 | D |  |
| Common Stock | 2026-05-15 |  | M |  | 1837<sup>(3)</sup> | A | 0<sup>(2)</sup> | 38397 | D |  |
| Common Stock | 2026-05-15 |  | M |  | 1490<sup>(4)</sup> | A | 0<sup>(2)</sup> | 39887 | D |  |
| Common Stock | 2026-05-15 |  | M |  | 1513<sup>(5)</sup> | A | 0<sup>(2)</sup> | 41400 | D |  |
| Common Stock | 2026-05-15 |  | F |  | 5973<sup>(6)</sup> | D | $36.93 | 35427 | D |  |

---

## 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 |
| Restricted Stock Units - Performance Award | <sup>(2)</sup> | 2026-05-15 |  | M |  |  | 13050<sup>(1)</sup> | 2026-05-15 | <sup>(7)</sup> | Common Stock | 13050 | <sup>(7)</sup> | 0 | D |  |
| Restricted Stock Units - Time-based Award | <sup>(2)</sup> | 2026-05-15 |  | M |  |  | 1837<sup>(3)</sup> | 2026-05-15 | <sup>(7)</sup> | Common Stock | 1837 | <sup>(7)</sup> | 0 | D |  |
| Restricted Stock Units - Time-based Award | <sup>(2)</sup> | 2026-05-15 |  | M |  |  | 1490<sup>(4)</sup> | 2026-05-15 | <sup>(7)</sup> | Common Stock | 1490 | <sup>(7)</sup> | 1490 | D |  |
| Restricted Stock Units - Time-based Award | <sup>(2)</sup> | 2026-05-15 |  | M |  |  | 1513<sup>(5)</sup> | 2026-05-15 | <sup>(7)</sup> | Common Stock | 1513 | <sup>(7)</sup> | 3027 | D |  |

---

### Footnotes:

(1) Represents distribution of shares of common stock upon the vesting of performance-based RSUs that were granted May 17 , 2023.

(2) Each RSU represents a contingent right to receive one share of common stock.

(3) Represents shares of common stock acquired upon the vesting of one-third of time-based RSUs granted on May 17, 2023.

(4) Represents shares of common stock acquired upon the vesting of one-third of time-based RSUs granted on May 22, 2024.

(5) Represents shares of common stock acquired upon the vesting of one-third of time-based RSUs granted on May 21, 2025.

(6) Pursuant to the terms of the Company's equity incentive plan, represents shares withheld by the Company to satisfy the tax liability incurred upon: (a) the distribution of the time-based RSUs granted on May 17, 2023, May 22, 2024, and May 21, 2025; (b) the vesting of 13,050 performance-based RSUs granted May 17, 2023.

(7) Not Applicable.

**Signature:** Elizabeth Diffley /s/, Elizabeth Diffley, (POA) Atty-in-fact  
**Date:** 2026-05-19

### 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.**