Arch Capital (ACGL) president reports tax-withholding share disposition

Rhea-AI Filing Summary

ARCH CAPITAL GROUP LTD. President David Gansberg reported a tax-related share disposition under an equity award. On this Form 4, 553 common shares were withheld on February 27, 2026 at $100.15 per share to cover taxes. Following this non-open-market transaction, he holds 337,372 common shares directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Gansberg David

Role President, Arch Capital Group

Type	Security	Shares	Price	Value
Tax Withholding	Common Shares, $.0011 par value per share	553	$100.15	$55K

Holdings After Transaction: Common Shares, $.0011 par value per share — 337,372 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/02/2026 - 04:17 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^*

Gansberg David

(Last) (First) (Middle)

WATERLOO HOUSE, GROUND FLOOR

100 PITTS BAY ROAD

(Street)

PEMBROKE D0 HM 08

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ARCH CAPITAL GROUP LTD. [ ACGL ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, Arch Capital Group

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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, $.0011 par value per share	02/27/2026		F		553	D	$100.15	337,372	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:

Remarks:

	/s/ David Gansberg	03/02/2026
	** 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.

FAQ

What insider transaction did ACGL executive David Gansberg report?

David Gansberg reported a tax-withholding disposition of 553 Arch Capital Group common shares. The shares were withheld in connection with equity compensation to cover tax liabilities, not as an open-market sale, and are documented on a Form 4 insider filing.

At what price were the ACGL shares valued in Gansberg’s Form 4?

The 553 Arch Capital Group common shares in David Gansberg’s Form 4 were valued at $100.15 per share. This price reflects the value used for the tax-withholding disposition related to equity compensation, not a conventional open-market purchase or sale.

How many ACGL shares does David Gansberg own after this transaction?

After the reported tax-withholding disposition, David Gansberg directly owns 337,372 Arch Capital Group common shares. This post-transaction holding reflects his remaining equity stake following the withholding of shares to satisfy tax obligations arising from an equity award.

Was the ACGL Form 4 transaction an open-market sale of shares?

No, the Arch Capital Group Form 4 shows a tax-withholding disposition coded “F,” not an open-market sale. Shares were delivered to satisfy tax liabilities associated with equity compensation, meaning the transaction did not involve selling shares into the public market.

What does transaction code F mean in the ACGL Form 4 filing?

Transaction code F in the Arch Capital Group Form 4 indicates payment of exercise price or tax liability by delivering securities. Here, 553 common shares were withheld from David Gansberg’s equity compensation to cover taxes, rather than being sold in an open-market transaction.