[Form 4] DLH Holdings Corp. Insider Trading Activity

Rhea-AI Filing Summary

Zachary C. Parker, CEO and President of DLH Holdings Corp. (DLHC), reported a transaction dated 09/30/2025 on a Form 4. The filing states that 55,282 restricted stock units granted on 01/23/2023 vested in full on the vesting date. To satisfy tax obligations arising from that vesting, 16,330 shares were surrendered at a price of $5.65 per share. Following the reported transactions, the reporting person beneficially owns 982,389 shares. The filing also notes an aggregate of 180,405 shares underlying previously granted time-based restricted stock units included in the beneficial ownership total.

Positive

• 55,282 restricted stock units vested in full on 09/30/2025
• Beneficial ownership remains at 982,389 shares following the transaction

Negative

• 16,330 shares were surrendered to satisfy tax obligations at $5.65 per share

Insights

Corporate Governance Analyst

Insider reported RSU vesting and tax-related share surrender on 09/30/2025.

The Form 4 discloses that 55,282 RSUs vested for Zachary C. Parker and 16,330 shares were surrendered at $5.65 to cover tax withholding. This filing is a routine disclosure of compensation vesting and the mechanics used to satisfy tax obligations.

The report shows 982,389 shares beneficially owned after the transaction, which includes 180,405 shares tied to time-based RSUs previously granted. These figures are factual holdings disclosed by the reporting person and allow investors to track insider ownership levels.

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Parker Zachary

(Last) (First) (Middle)

DLH HOLDINGS CORP

3565 PIEDMONT ROAD, NE

(Street)

ATLANTA GA 30305

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
DLH Holdings Corp. [ DLHC ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2025

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(1)	09/30/2025		F		16,330(2)	D	$5.65	982,389(3)	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. As previously reported, the reporting person was granted 55,282 restricted stock units on January 23, 2023, which represented the contingent right to receive one share of common stock for each restricted stock unit. The award vested in full on September 30, 2025.

2. Shares surrendered to satisfy the reporting person's tax obligations arising from the vesting of the restricted stock units.

3. Includes an aggregate of 180,405 shares underlying time-based restricted stock units previously granted to the reporting person pursuant to the Company's 2016 Omnibus Equity Incentive Plan.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ Michael A. Goldstein, as attorney-in-fact for Zachary C. Parker	10/02/2025
	** 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 transaction did DLHC insider Zachary Parker report on 09/30/2025?

The Form 4 reports the vesting of 55,282 restricted stock units and the surrender of 16,330 shares to satisfy tax obligations related to that vesting.

How many DLHC shares does Zachary Parker beneficially own after the reported transaction?

The filing shows beneficial ownership of 982,389 shares following the reported transaction.

At what price were the surrendered shares reported?

The surrendered shares were reported at a price of $5.65 per share.

When were the restricted stock units originally granted?

The restricted stock units were granted on 01/23/2023 and vested in full on 09/30/2025.

Does the filing disclose other RSUs included in beneficial ownership?

Yes, the filing states it includes 180,405 shares underlying time-based restricted stock units previously granted to the reporting person.