[Form 4] DIAMOND HILL INVESTMENT GROUP INC Insider Trading Activity

Rhea-AI Filing Summary

Diamond Hill Investment Group director Austin Hawley reported a routine tax-related share disposition. On April 1, 2026, 1,181 shares of Common stock were withheld at $172.10 per share to satisfy tax obligations, classified as a tax-withholding disposition.

After this non-market transaction, Hawley directly held 77,469 shares of Diamond Hill Investment Group common stock. This event reflects compensation-related tax settlement rather than an open-market sale or purchase.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hawley Austin

Role Director

Type	Security	Shares	Price	Value
Tax Withholding	Common	1,181	$172.10	$203K

Holdings After Transaction: Common — 77,469 shares (Direct)

Footnotes (1)

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^*

Hawley Austin

(Last) (First) (Middle)

325 JOHN H. MCCONNELL BLVD

SUITE 200

(Street)

COLUMBUS OHIO 43215

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
DIAMOND HILL INVESTMENT GROUP INC [ DHIL ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

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

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common	04/01/2026		F		1,181	D	$172.1	77,469	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:

Represents shares withheld to pay taxes associated with shares of restricted stock award that vested on April 1, 2026.

	Carlotta D. King by POA	04/06/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What did Diamond Hill (DHIL) director Austin Hawley report on this Form 4?

Director Austin Hawley reported a tax-related share disposition. On April 1, 2026, 1,181 common shares were withheld at $172.10 per share to cover tax obligations, leaving him with 77,469 directly owned shares afterward.

Was the Diamond Hill (DHIL) insider transaction a market sale or a tax withholding?

The transaction was a tax withholding, not an open-market sale. 1,181 common shares were delivered at $172.10 per share to satisfy tax liabilities, classified as a tax-withholding disposition under transaction code F.

How many Diamond Hill (DHIL) shares does Austin Hawley hold after this Form 4 event?

Following the tax-withholding disposition, Austin Hawley directly holds 77,469 Diamond Hill common shares. This figure reflects his position after 1,181 shares were delivered to satisfy tax obligations tied to his equity compensation.

What is the significance of transaction code F on the Diamond Hill (DHIL) Form 4?

Transaction code F indicates a tax-withholding disposition. It shows 1,181 Diamond Hill common shares were delivered at $172.10 per share to pay exercise price or tax liabilities, rather than representing a discretionary buy or sell in the open market.

Did the Diamond Hill (DHIL) Form 4 show any open-market buying or selling by Austin Hawley?

No open-market trades were reported. The Form 4 shows only a tax-withholding disposition of 1,181 common shares at $172.10 per share, leaving Hawley with 77,469 directly owned shares after the transaction.