Assured Guaranty officer disposes shares for taxes

Assured Guaranty Ltd Chief Surveillance Officer Holly Horn reported a tax-related share withholding.

Rhea-AI Filing Summary

Assured Guaranty Ltd Chief Surveillance Officer Holly Horn reported a tax-related share withholding. On this Form 4, 445 common shares were disposed of at $85.11 per share to cover tax liabilities tied to equity compensation. After this withholding, she directly owns 49,811 common shares.

Insider Trade Summary

Exercise Price or Tax Liability: 445 shares

Exercise Price or Tax Liability 1 txn

Insider Horn Holly

Role Chief Surveillance Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Shares	445	$85.11	$38K

Holdings After Transaction: Common Shares — 49,811 shares (Direct)

Footnotes (1)

1. F1. Common Shares being withheld to pay tax liability.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Assured Guaranty (AGO) insider Holly Horn report on this Form 4?

Holly Horn reported a tax-withholding disposition of 445 Assured Guaranty common shares. The shares were withheld to satisfy tax liabilities arising from equity compensation, rather than being sold in an open-market transaction, and reflect routine administrative treatment of stock-based awards.

How many Assured Guaranty (AGO) shares were disposed of for taxes?

The Form 4 shows 445 common shares were disposed of to cover tax liabilities. This was done via share withholding associated with equity compensation, meaning the shares were retained by the issuer to satisfy taxes instead of being sold on the market.

At what price were the withheld Assured Guaranty (AGO) shares valued?

The 445 withheld Assured Guaranty common shares were valued at $85.11 per share. This price is used to determine the dollar amount applied against the reporting officer’s tax liability arising from stock-based compensation, as reflected in the Form 4 disclosure.

How many Assured Guaranty (AGO) shares does Holly Horn hold after this transaction?

After the tax-withholding disposition, Holly Horn directly holds 49,811 common shares of Assured Guaranty. This post-transaction balance reflects her remaining direct ownership following the 445 shares withheld to satisfy tax obligations related to equity compensation awards.

Was this Assured Guaranty (AGO) Form 4 an open-market sale by the insider?

No, the Form 4 reflects a tax-withholding disposition, not an open-market sale. Shares were withheld by the company to pay the insider’s tax liability on equity compensation, a common administrative transaction rather than a discretionary sale into the market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/25/2026 - 07:06 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

Horn Holly

(Last) (First) (Middle)

30 WOODBOURNE AVENUE

5TH FLOOR

(Street)

HAMILTON D0 HM 08

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ASSURED GUARANTY LTD [ AGO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Surveillance Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Shares	02/23/2026		F		445(1)	D	$85.11	49,811	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Common Shares being withheld to pay tax liability.

Remarks:

	/s/ Ling Chow, Attorney-in-fact	02/25/2026
	** Signature of Reporting Person	Date
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.