[Form 4] Quest Resource Holding Corporation Insider Trading Activity

Rhea-AI Filing Summary

Insider transaction summary: This Form 4 reports that Daniel M. Friedberg, through Hampstead Park entities, purchased 17,232 shares of Quest Resource Holding Corp (QRHC) on 08/20/2025 at a weighted average price of $1.5968 per share. Following the purchase, the reporting persons beneficially own 2,842,353 shares indirectly through Hampstead Park Environmental Services Investment Fund LLC. The filing also reports dispositions totaling 80,169 shares (40,585 and 39,584) and describes that some held amounts represent 20,000 RSUs vesting Aug 13, 2026 and 39,584 DSUs issuable upon separation. The Form 4 is jointly filed by Hampstead Park Environmental, Hampstead Park Capital Management, LLC, and Mr. Friedberg.

Insights

Securities Analyst

TL;DR: Insider small net purchase while maintaining large indirect stake; transactions appear routine rather than material.

The reported purchase of 17,232 shares at a weighted average price of $1.5968 increases the reporting persons' indirect stake to 2,842,353 shares, reflecting control through an investment fund. The filing also discloses sizable legacy holdings in restricted and deferred units, including 20,000 RSUs and 39,584 DSUs. Net change appears modest relative to total beneficial ownership, suggesting limited immediate valuation impact. Disclosure is detailed and includes weighted-average price range.

Corporate Governance Expert

TL;DR: Director and 10% owner files jointly; structure and holdings are clearly disclosed with no governance red flags in the form.

The Form 4 shows joint filing by the director and affiliated entities, and explains the control relationship among Hampstead Park Capital, the investment fund, and Mr. Friedberg. The presence of RSUs and DSUs with specified vesting/issuance conditions is clearly stated. All transactions are reported with price range and signatures, meeting standard Section 16 disclosure requirements. No undisclosed related-party transfers or missing explanations appear in the form text provided.

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

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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).

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^*

FRIEDBERG DANIEL M.

(Last) (First) (Middle)

C/O HAMPSTEAD PARK CAPITAL MANAGEMENT

6 LIGHTHOUSE LANE

(Street)

OLD GREENWICH CT 06870

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Quest Resource Holding Corp [ QRHC ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/20/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

	Form filed by One Reporting Person
X	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	08/20/2025		P		17,232	A	$1.5968(1)	2,842,353	I	By: Hampstead Park Environmental Services Investment Fund LLC(2)
Common Stock								40,585(3)	D
Common Stock								39,584(4)	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

1. Name and Address of Reporting Person^*

FRIEDBERG DANIEL M.

(Last) (First) (Middle)

C/O HAMPSTEAD PARK CAPITAL MANAGEMENT

6 LIGHTHOUSE LANE

(Street)

OLD GREENWICH CT 06870

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Hampstead Park Capital Management, LLC

(Last) (First) (Middle)

6 LIGHTHOUSE LANE

(Street)

OLD GREENWICH CT 06870

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Hampstead Park Environmental Services Investment Fund LLC

(Last) (First) (Middle)

6 LIGHTHOUSE LANE

(Street)

OLD GREENWICH CT 06870

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.57 to $1.60, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, further information regarding the number of shares purchased at each separate price such shares were purchased.

2. This Form 4 is filed jointly by Hampstead Park Environmental Services Investment Fund LLC ("Hampstead Park Environmental"), Daniel Friedberg and Hampstead Park Capital Management, LLC ("Hampstead Park Capital"). Hampstead Park Capital is the sole member of Hampstead Park Environmental, and Mr. Friedberg is the Chief Executive Officer of Hampstead Park Capital; each may therefore be deemed to control Hampstead Park Environmental. In addition, Mr. Friedberg is a Director of the Issuer.

3. Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 20,585 shares of common stock beneficially owned by Mr. Friedberg.

4. The reported securities include (a) 18,153 deferred stock units ("DSUs") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 21,431 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon Mr. Friedberg's separation from service with the Issuer.

	/s/ Daniel Friedberg	08/21/2025
	Hampstead Park Capital Management, LLC; By: /s/ Daniel Friedberg, Chief Executive Officer	08/21/2025
	Hampstead Park Environmental Services Investment Fund LLC; By: Hampstead Park Capital Management, LLC; By: /s/ Daniel Friedberg, Chief Executive Officer	08/21/2025
	** 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 did Daniel M. Friedberg report on Form 4 for QRHC?

The filing reports a purchase of 17,232 shares on 08/20/2025 at a weighted average price of $1.5968 and discloses total indirect beneficial ownership of 2,842,353 shares.

How many shares were disposed of in this Form 4 for QRHC?

The Form 4 reports dispositions of 40,585 shares and 39,584 shares, totaling 80,169 shares.

Are there any restricted or deferred equity awards disclosed?

Yes. The filing discloses 20,000 RSUs scheduled to vest on August 13, 2026 and 39,584 DSUs that will be issued upon separation from service.

Who filed this Form 4 for QRHC?

The Form 4 is jointly filed by Hampstead Park Environmental Services Investment Fund LLC, Hampstead Park Capital Management, LLC, and Daniel M. Friedberg.

What price range did the purchase transactions occur at?

The explanatory note states purchases occurred at prices ranging from $1.57 to $1.60, with a weighted average of $1.5968.