STOCK TITAN

Radian (NYSE: RDN) director nets shares after 4,837 RSUs vest

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Radian Group director Gregory Serio reported routine equity compensation activity. Time-based restricted stock units vested into 4,837 shares of common stock, and 5 shares were withheld by the company to cover state tax obligations. Following these transactions, Serio directly holds 10,274 shares of Radian common stock.

Positive

  • None.

Negative

  • None.
Insider Serio Gregory
Role null
Type Security Shares Price Value
Exercise Restricted Stock Units - Time-based Award 4,837 $0.00 --
Exercise Common Stock 4,837 $0.00 --
Tax Withholding Common Stock 5 $36.93 $184.65
Holdings After Transaction: Restricted Stock Units - Time-based Award — 0 shares (Direct, null); Common Stock — 10,279 shares (Direct, null)
Footnotes (1)
  1. Vesting of time-based RSUs granted on May 21, 2025. Pursuant to the terms of the Company's equity compensation plan, represents shares withheld by the Company to satisfy state tax withholding obligations. Each RSU represents a contingent right to receive one share of common stock. Not Applicable
RSUs vested 4,837 shares Time-based restricted stock units converted to common stock on May 15, 2026
Shares withheld for taxes 5 shares Withheld by company to satisfy state tax obligations
Shares owned after transaction 10,274 shares Director’s direct Radian common stock holdings following transactions
Exercise transactions 1 derivative exercise Conversion of RSUs into 4,837 common shares
Tax withholding disposition 1 transaction Payment of state tax liability by delivering 5 shares
Restricted Stock Units - Time-based Award financial
"Security title is listed as "Restricted Stock Units - Time-based Award" for the derivative transaction."
tax withholding financial
"Shares were withheld by the company to satisfy state tax withholding obligations under its equity compensation plan."
Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.
derivative security financial
"The RSU vesting is described as an exercise or conversion of a derivative security into common stock."
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
equity compensation plan financial
"The withholding of 5 shares occurred pursuant to the terms of the company’s equity compensation plan."
A plan by which a company gives employees, directors or contractors ownership or the right to buy ownership in the company through stock, options or similar awards — think of promising slices of the company pie as part of someone's pay. It matters to investors because these awards can change the number of shares outstanding, affect reported profits and influence management’s decisions; large or generous plans can dilute existing holders and alter incentives over time.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
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*
Serio Gregory

(Last)(First)(Middle)
RADIAN GROUP INC.
550 E SWEDESFORD ROAD, #350

(Street)
WAYNE PENNSYLVANIA 19087

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
RADIAN GROUP INC [ RDN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/15/2026M4,837(1)A$010,279D
Common Stock05/15/2026F5(2)D$36.9310,274D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units - Time-based Award$0(3)05/15/2026M4,837(1)05/15/2026 (4)Common Stock4,837(4)0D
Explanation of Responses:
1. Vesting of time-based RSUs granted on May 21, 2025.
2. Pursuant to the terms of the Company's equity compensation plan, represents shares withheld by the Company to satisfy state tax withholding obligations.
3. Each RSU represents a contingent right to receive one share of common stock.
4. Not Applicable
Elizabeth Diffley /s/, Elizabeth Diffley, (POA) Atty-in-fact05/19/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Radian Group (RDN) director Gregory Serio report?

Director Gregory Serio reported routine equity compensation activity. Time-based restricted stock units vested into 4,837 shares of Radian common stock, with a small portion withheld to satisfy state tax obligations under the company’s equity compensation plan.

How many Radian (RDN) shares did Gregory Serio receive from RSU vesting?

Gregory Serio received 4,837 shares of Radian common stock from the vesting of time-based restricted stock units. Each RSU represented the right to receive one share, converting in full on the reported vesting date into common stock.

How many Radian (RDN) shares were withheld for taxes in this Form 4?

The company withheld 5 shares of Radian common stock to satisfy state tax withholding obligations. This withholding was done pursuant to the terms of Radian’s equity compensation plan and is not an open-market sale by the director.

What is Gregory Serio’s Radian (RDN) share ownership after these transactions?

After the RSU vesting and related tax withholding, Gregory Serio directly owns 10,274 shares of Radian common stock. This figure reflects his updated direct holdings following the conversion of his time-based restricted stock units.

What do the RSUs in Gregory Serio’s Radian (RDN) filing represent?

The restricted stock units are time-based awards that convert into common stock once vesting conditions are met. Each RSU represented a contingent right to receive one Radian common share, which converted into shares on the vesting date disclosed.