James River (JRVR) legal chief uses 4,126 shares to cover tax bill

Rhea-AI Filing Summary

James River Group Holdings, Inc. reported that SVP and Chief Legal Officer Jeanette L. Miller had 4,126 shares of common stock disposed of on March 5, 2026 at $6.44 per share. According to the disclosure, these shares were withheld by the company to cover tax liabilities tied to the vesting of 12,228 restricted share units on the same date, rather than representing an open-market sale. After this tax-withholding disposition, Miller directly owned 84,144 common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Miller Jeanette L

Role SVP, Chief Legal Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	4,126	$6.44	$27K

Holdings After Transaction: Common Stock — 84,144 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Miller Jeanette L

(Last) (First) (Middle)

C/O JAMES RIVER GROUP HOLDINGS, INC.

1414 RALEIGH ROAD, SUITE 405

(Street)

CHAPEL HILL NC 27517

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
James River Group Holdings, Inc. [ JRVR ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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 Stock	03/05/2026		F		4,126(1)	D	$6.44	84,144	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. The shares disposed of were withheld by James River Group Holdings, Inc. for payment of the tax liability incident to the vesting of 12,228 restricted share units on March 5, 2026.

Remarks:

	/s/ Jeanette L. Miller	03/09/2026
	** 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 JRVR’s Jeanette L. Miller report?

Jeanette L. Miller reported a tax-related share disposition. On March 5, 2026, 4,126 James River Group common shares were withheld at $6.44 each to cover tax liabilities from vesting of 12,228 restricted share units, as disclosed in the Form 4 footnote.

Was the JRVR insider Form 4 a market sale of shares?

The Form 4 reports a tax-withholding disposition, not a normal market sale. James River Group withheld 4,126 common shares from Jeanette L. Miller to satisfy taxes due upon vesting of 12,228 restricted share units on March 5, 2026, per the footnote.

How many JRVR shares does Jeanette L. Miller hold after this transaction?

After the tax-withholding disposition, Jeanette L. Miller directly owns 84,144 James River Group common shares. This figure reflects her holdings following the withholding of 4,126 shares to pay taxes triggered by vesting of restricted share units on March 5, 2026.

What price was used for the JRVR insider tax-withholding shares?

The withheld shares were valued at $6.44 per share. James River Group used this price when 4,126 common shares were disposed of from Jeanette L. Miller’s holdings to satisfy tax obligations linked to vesting of 12,228 restricted share units on March 5, 2026.

What triggered the tax-withholding share disposition at JRVR?

The disposition was triggered by the vesting of restricted share units. Specifically, 12,228 JRVR restricted share units vested on March 5, 2026, and 4,126 common shares were withheld by James River Group to cover the resulting tax liability, according to the Form 4 footnote.