QRHC director granted 2,966 deferred stock units

Quest Resource Holding Corp director Robert J. Lipstein reported a new equity grant and updated holdings.

Rhea-AI Filing Summary

Quest Resource Holding Corp director Robert J. Lipstein reported a new equity grant and updated holdings. He received 2,966 deferred stock units, or DSUs, of common stock at $1.18 per share under the company’s 2024 Incentive Compensation Plan. These DSUs will convert into shares of common stock when he separates from service with the company.

After this update, his reported beneficial interest includes 20,000 restricted stock units scheduled to fully vest on August 13, 2026, and 28,500 shares of common stock. Together, these positions reflect 48,500 shares of common stock tied to his direct equity compensation and ownership.

Insider Trade Summary

Grant/Award: 2,966 shares

Grant/Award 2 txns

Insider Lipstein Robert J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,966	$1.18	$3K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 51,466 shares (Direct)

Footnotes (2)

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 the Reporting Person's separation from service with the Issuer.
2. F2. Includes (a) 20,000 restricted stock units that are scheduled to fully vest on August 13, 2026 and (b) 28,500 shares of common stock beneficially owned by the Reporting Person.

Key Figures

Deferred stock units granted: 2,966 units Grant price per DSU: $1.18 per share Restricted stock units: 20,000 RSUs +2 more

5 metrics

Deferred stock units granted 2,966 units DSUs of common stock granted on May 31, 2026

Grant price per DSU $1.18 per share Price used for 2,966 deferred stock units

Restricted stock units 20,000 RSUs Scheduled to fully vest on August 13, 2026

Common shares owned 28,500 shares Common stock beneficially owned by the reporting person

Total shares after update 48,500 shares Common stock tied to RSUs and owned shares following transaction

Key Terms

deferred stock units, 2024 Incentive Compensation Plan, restricted stock units, beneficially owned

4 terms

deferred stock units financial

"These reported securities represent deferred stock units ("DSUs") granted under the Issuer's 2024 Incentive Compensation Plan."

Deferred stock units are promises from a company to give an employee shares of stock at a future date, often after certain conditions are met or after leaving the company. They function like a form of delayed compensation, allowing employees to earn shares over time. For investors, they represent potential future ownership in the company, but do not provide immediate voting rights or dividends until the shares are actually received.

2024 Incentive Compensation Plan financial

"These reported securities represent deferred stock units ("DSUs") granted under the Issuer's 2024 Incentive Compensation Plan."

restricted stock units financial

"Includes (a) 20,000 restricted stock units that are scheduled to fully vest on August 13, 2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

beneficially owned financial

"and (b) 28,500 shares of common stock beneficially owned by the Reporting Person."

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did QRHC director Robert J. Lipstein report?

Robert J. Lipstein reported receiving 2,966 deferred stock units of Quest Resource Holding Corp common stock at $1.18 per share. These units are part of his equity compensation and will convert into shares when he separates from service with the company.

What are the terms of Robert J. Lipstein’s new QRHC deferred stock units?

The new grant to Robert J. Lipstein consists of 2,966 deferred stock units priced at $1.18 per share. Granted under the 2024 Incentive Compensation Plan, these units settle in common stock only after his separation from service with Quest Resource Holding Corp.

How many Quest Resource (QRHC) shares and units does Robert J. Lipstein now hold?

Robert J. Lipstein’s reported interests include 20,000 restricted stock units and 28,500 shares of QRHC common stock, for a total of 48,500 shares tied to these positions. This is in addition to the newly granted 2,966 deferred stock units reported in the filing.

When will Robert J. Lipstein’s QRHC restricted stock units vest?

Robert J. Lipstein holds 20,000 restricted stock units in Quest Resource Holding Corp that are scheduled to fully vest on August 13, 2026. Once vested, these RSUs convert into common shares, further increasing the share component of his compensation-based holdings.

Under which plan were Robert J. Lipstein’s new QRHC deferred stock units granted?

The 2,966 deferred stock units granted to Robert J. Lipstein were issued under Quest Resource Holding Corp’s 2024 Incentive Compensation Plan. This plan provides equity-based awards, and these DSUs will be settled in common stock upon his separation from service with the issuer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/02/2026 - 07:42 PM EDT 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^*

Lipstein Robert J

(Last) (First) (Middle)

C/O QUEST RESOURCE HOLDING CORPORATION

433 E. LAS COLINAS BOULEVARD, SUITE 675

(Street)

IRVING TEXAS 75039

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/31/2026

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 Stock	05/31/2026		A		2,966(1)	A	$1.18	2,966	D
Common Stock								48,500(2)	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. 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 the Reporting Person's separation from service with the Issuer.

2. Includes (a) 20,000 restricted stock units that are scheduled to fully vest on August 13, 2026 and (b) 28,500 shares of common stock beneficially owned by the Reporting Person.

	/s/ Brett W. Johnston, as Attorney-in-Fact	06/02/2026
	** 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)