[Form 4] Quest Resource Holding Corporation Insider Trading Activity

Rhea-AI Filing Summary

Daniel M. Friedberg and affiliated Hampstead Park entities reported insider transactions in Quest Resource Holding Corp (QRHC). On 08/12/2025 10,409 restricted stock units (RSUs) that vested converted one-for-one into common stock and were reported as acquired. On 08/13/2025 the reporting parties recorded 20,000 RSUs granted on 08/13/2025 that are scheduled to vest on 08/13/2026. The filing shows Mr. Friedberg directly beneficially owns 20,585 shares plus 39,584 deferred stock units (DSUs) that convert to shares upon separation from service, and Hampstead Park Environmental holds an indirect stake of 2,825,121 shares. The Form 4 was filed jointly by Mr. Friedberg, Hampstead Park Capital Management LLC and Hampstead Park Environmental Services Investment Fund LLC.

Insights

Corporate Governance Expert

TL;DR: Insider reported routine vesting and sizable indirect ownership, indicating alignment with shareholders but no new cash purchases.

The filing documents vesting of RSUs into 10,409 common shares and a separate grant of 20,000 RSUs that vest next year. The reporting structure shows control links between Mr. Friedberg, Hampstead Park Capital and Hampstead Park Environmental, with the Fund holding an indirect stake of 2,825,121 shares. From a governance view this is a typical executive/equity-compensation disclosure: it increases disclosed ownership and highlights potential control influence via the large indirect position. No evidence in the filing of open-market purchases or dispositions beyond RSU conversion.

Securities Analyst

TL;DR: Material indirect stake disclosed but transactions are compensation-related vesting, not market purchases or sales.

The transactions reported are primarily non-cash equity events: vesting RSUs converted to 10,409 shares on 08/12/2025 and a 20,000 RSU grant dated 08/13/2025 scheduled to vest in 2026. Beneficial ownership totals include 20,585 directly held shares and 39,584 DSUs convertible on separation, plus a substantial indirect holding of 2,825,121 shares by the Hampstead Park Environmental fund. For investors this clarifies insider alignment and the controlling economic interest, but does not signal liquidity events or changes to capital structure beyond standard compensation vesting.

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
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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)
08/12/2025

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	08/12/2025		M(1)		10,409	A	(2)	20,585(3)	D
Common Stock	08/13/2025		A		20,000(4)	A	(2)	40,585(5)	D
Common Stock								39,584(6)	D
Common Stock								2,825,121	I	By: Hampstead Park Environmental Services Investment Fund LLC(7)

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
Restricted Stock Unit	(2)	08/12/2025		M(1)			10,409	(1)	(1)	Common Stock	10,409	$0	0	D

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. Represents restricted stock units ("RSUs") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting.

2. RSUs convert into common stock on a one-for-one basis.

3. These shares represent shares of common stock of the Issuer held by Mr. Friedberg.

4. Represents RSUs granted on August 13, 2025 and scheduled to fully vest on August 13, 2026. Each RSU represents a contingent right to receive one share of common stock upon vesting. The Reporting Person has reported prior awards of RSUs in Table II of Form 4.

5. 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 the Reporting Person.

6. 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.

7. 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.

	/s/ Daniel Friedberg	08/14/2025
	Hampstead Park Capital Management, LLC; By: /s/ Daniel Friedberg, Chief Executive Officer	08/14/2025
	Hampstead Park Environmental Services Investment Fund LLC; By: Hampstead Park Capital Management, LLC; By: /s/ Daniel Friedberg, Chief Executive Officer	08/14/2025
	** Signature of Reporting Person	Date
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