When do Stephen Donnarumma’s Assured Guaranty (AGO) restricted share units vest?

The restricted share units awarded under the 2024 Long-Term Incentive Plan generally vest on February 20, 2029, assuming continued employment. Upon vesting, one Common Share of Assured Guaranty Ltd will be delivered for each vested restricted share unit described in the Form 4 filing.

What plan governs the restricted share unit awards to Assured Guaranty (AGO) officer Stephen Donnarumma?

The restricted share unit awards were granted under the Assured Guaranty Ltd. 2024 Long-Term Incentive Plan. These awards vest on February 20, 2029, with one Common Share delivered for each vested unit, provided the holder remains employed through the vesting date.

Assured Guaranty (AGO) credit chief reports RSU grants and tax share withholding

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Assured Guaranty Ltd Chief Credit Officer Stephen Donnarumma reported equity awards and related tax-withholding share dispositions in the company’s Common Shares. On February 20, 2026, he acquired 6,312 restricted share units at $0.00 per share under the 2024 Long-Term Incentive Plan. On February 22, 2026, he received an additional 7,376 restricted share units at $0.00 per share and had 2,767 and 4,079 Common Shares withheld at $88.39 per share to cover tax liabilities. The restricted share units generally vest on February 20, 2029, with one Common Share delivered for each vested unit, assuming continued employment. After these transactions, he directly held 121,847.0408 Common Shares.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Donnarumma Stephen

Role Chief Credit Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Shares	2,767	$88.39	$245K
Grant/Award	Common Shares	7,376	$0.00	--
Tax Withholding	Common Shares	4,079	$88.39	$361K
Grant/Award	Common Shares	6,312	$0.00	--

Holdings After Transaction: Common Shares — 118,550.041 shares (Direct)

Footnotes (1)

Restricted share units awarded pursuant to the Assured Guaranty Ltd. 2024 Long-Term Incentive Plan. With limited exceptions, the restricted share units vest on 2/20/2029, assuming that the holder remains employed at such time. Upon vesting, one Common Share will be delivered for each vested restricted share unit. Total includes 121 shares purchased on 06/30/2025 and 122 shares purchased on 12/31/2025 pursuant to the Assured Guaranty Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3. Common Shares being withheld to pay tax liability. Represents the vesting of performance share units based on the achievement of core adjusted book value targets.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/24/2026 - 06:56 PM

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^*

Donnarumma Stephen

(Last)

(First)

(Middle)

30 WOODBOURNE AVENUE

5TH FLOOR

(Street)

HAMILTON

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 Credit Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares	02/20/2026		A		6,312	A	$0⁽¹⁾	121,317.0408⁽²⁾	D
Common Shares	02/22/2026		F		2,767⁽³⁾	D	$88.39	118,550.0408	D
Common Shares	02/22/2026		A		7,376⁽⁴⁾	A	$0	125,926.0408	D
Common Shares	02/22/2026		F		4,079⁽³⁾	D	$88.39	121,847.0408	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Restricted share units awarded pursuant to the Assured Guaranty Ltd. 2024 Long-Term Incentive Plan. With limited exceptions, the restricted share units vest on 2/20/2029, assuming that the holder remains employed at such time. Upon vesting, one Common Share will be delivered for each vested restricted share unit.

2. Total includes 121 shares purchased on 06/30/2025 and 122 shares purchased on 12/31/2025 pursuant to the Assured Guaranty Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3.

3. Common Shares being withheld to pay tax liability.

4. Represents the vesting of performance share units based on the achievement of core adjusted book value targets.

Remarks:

	/s/ Ling Chow, Attorney-in-fact	02/24/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What equity transactions did Assured Guaranty (AGO) officer Stephen Donnarumma report?

Stephen Donnarumma reported equity awards and related tax-withholding dispositions in Assured Guaranty Common Shares. He received restricted share unit grants on February 20 and 22, 2026, and had shares withheld at $88.39 per share to satisfy associated tax liabilities on vested awards.

How many Assured Guaranty (AGO) shares were granted to Stephen Donnarumma in this Form 4?

He was granted 6,312 restricted share units on February 20, 2026, and 7,376 restricted share units on February 22, 2026. Both awards carried a transaction price of $0.00 per share and were issued under Assured Guaranty Ltd’s 2024 Long-Term Incentive Plan.

How many Assured Guaranty (AGO) shares were withheld for taxes and at what price?

A total of 2,767 and 4,079 Assured Guaranty Common Shares were withheld to pay tax liabilities, both at a price of $88.39 per share. These tax-withholding dispositions are classified under transaction code F, reflecting payment of tax obligations using company shares.

How many Assured Guaranty (AGO) shares does Stephen Donnarumma hold after these transactions?

Following the reported grants and tax-withholding dispositions, Stephen Donnarumma directly holds 121,847.0408 Assured Guaranty Common Shares. This total includes shares acquired through prior purchases and plan participation as referenced in the Form 4 footnotes.