Quest Resource director granted 6,984 stock units

Quest Resource Holding Corp director and 10% owner Daniel Friedberg was granted 6,984 deferred stock units (DSUs) on January 31, 2026 at $2.15 per underlying share under the company’s 2024 Incentive Compensation Plan.

Rhea-AI Filing Summary

Quest Resource Holding Corp director and 10% owner Daniel Friedberg was granted 6,984 deferred stock units (DSUs) on January 31, 2026 at $2.15 per underlying share under the company’s 2024 Incentive Compensation Plan.

After this grant, he beneficially owns 62,628 DSUs, including DSUs from both the 2012 and 2024 plans, plus 40,585 common-share-related interests, which include 20,000 RSUs scheduled to fully vest on August 13, 2026 and 20,585 common shares. Separately, 2,842,353 common shares are held indirectly through Hampstead Park Environmental Services Investment Fund LLC, which is controlled by Hampstead Park Capital Management, LLC and Mr. Friedberg.

Insider Trade Summary

Grant/Award: 6,984 shares

Grant/Award 3 txns

Insider FRIEDBERG DANIEL M., Hampstead Park Capital Management, LLC, Hampstead Park Environmental Services Investment Fund LLC

Role Director, 10% Owner | 10% Owner | 10% Owner

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	6,984	$2.15	$15K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 103,213 shares (Direct); Common Stock — 2,842,353 shares (Indirect, By: Hampstead Park Environmental Services Investment Fund LLC)

Footnotes (4)

1. F1. These reported securities represent deferred stock units ("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.
2. F2. The reported securities include (a) 18,153 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 44,475 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.
3. F3. 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. F4. 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.

FAQ

What insider transaction did QRHC disclose for Daniel Friedberg?

Quest Resource Holding Corp disclosed a grant of 6,984 deferred stock units (DSUs) to director and 10% owner Daniel Friedberg. The grant was made on January 31, 2026 at $2.15 per underlying share under the company’s 2024 Incentive Compensation Plan.

How many deferred stock units does Daniel Friedberg now hold at QRHC?

After the latest grant, Daniel Friedberg beneficially owns 62,628 deferred stock units (DSUs) in Quest Resource Holding Corp. These include 18,153 DSUs under the 2012 Incentive Compensation Plan and 44,475 DSUs under the 2024 Incentive Compensation Plan, all issuable upon his separation from service.

What other QRHC equity does Daniel Friedberg beneficially own besides DSUs?

Beyond DSUs, Daniel Friedberg is reported with 40,585 common-share-related interests in Quest Resource Holding Corp. This consists of 20,000 restricted stock units scheduled to fully vest on August 13, 2026 and 20,585 shares of common stock beneficially owned directly.

What is Hampstead Park Environmental Services Investment Fund LLC’s QRHC stake?

Hampstead Park Environmental Services Investment Fund LLC holds 2,842,353 QRHC common shares as an indirect ownership position. Hampstead Park Capital Management, LLC is the sole member of this fund, and Daniel Friedberg serves as Chief Executive Officer of Hampstead Park Capital.

How is Daniel Friedberg related to Hampstead Park entities in the QRHC filing?

The Form 4 is filed jointly by Daniel Friedberg, Hampstead Park Capital Management, LLC, and Hampstead Park Environmental Services Investment Fund LLC. Hampstead Park Capital is the sole member of the fund, and Friedberg is Hampstead Park Capital’s Chief Executive Officer and a director of Quest Resource.

When will QRHC shares underlying Daniel Friedberg’s DSUs be issued?

Shares of Quest Resource common stock underlying Daniel Friedberg’s deferred stock units will be issued upon his separation from service with the company. This applies to DSUs granted under both the 2012 Incentive Compensation Plan and the 2024 Incentive Compensation Plan.

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Accepted by SEC EDGAR 02/03/2026 - 06:52 PM Learn about SEC filing dates

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^*

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)
01/31/2026

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	01/31/2026		A		6,984(1)	A	$2.15	62,628(2)	D
Common Stock								40,585(3)	D
Common Stock								2,842,353	I	By: Hampstead Park Environmental Services Investment Fund LLC(4)

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. These reported securities represent deferred stock units ("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.

2. The reported securities include (a) 18,153 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 44,475 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.

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. 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	02/03/2026
	Hampstead Park Capital Management, LLC; By: /s/ Daniel Friedberg, Chief Executive Officer	02/03/2026
	Hampstead Park Environmental Services Investment Fund LLC; By: Hampstead Park Capital Management, LLC; By: /s/ Daniel Friedberg, Chief Executive Officer	02/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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