Quest Resource grants Tomolonius 2,573 stock units

Each restricted stock unit represents a contingent right to receive one common share upon vesting.

Rhea-AI Filing Summary

Quest Resource Holding Corp (QRHC) director Sarah Tomolonius acquired 2,573 restricted stock units on September 30, 2026, under the company’s 2024 Incentive Compensation Plan. The reported amount was $1.36 per share. The units are scheduled to vest on March 1, 2027, and each represents a contingent right to receive one common share upon vesting.

Insider Trade Summary

Grant/Award: 2,573 shares

Grant/Award 2 txns

Insider Tomolonius Sarah

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	2,573	$1.36	$3K
holding	Common Stock F3	--	--	--

Holdings After Transaction: Common Stock — 130,383 shares (Direct)

Footnotes (3)

1. F1. These reported securities represent restricted stock units ("RSUs") granted on September 30, 2026 under the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting. The RSUs are scheduled to vest on March 1, 2027.
2. F2. Includes (a) 13,571 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 44,335 shares of common stock beneficially owned by the Reporting Person.
3. F3. The reported securities include (a) 17,429 deferred stock units ("DSUs") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 26,281 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.

Key Figures

Restricted stock units acquired: 2,573 units Reported per-share amount: $1.36 per share RSUs scheduled to vest: 13,571 units +4 more

7 metrics

Restricted stock units acquired 2,573 units Granted September 30, 2026, under the 2024 Incentive Compensation Plan

Reported per-share amount $1.36 per share September 30, 2026 RSU grant

RSUs scheduled to vest 13,571 units Scheduled to fully vest March 1, 2027

RSUs scheduled to vest 28,767 units Scheduled to fully vest August 13, 2027

Common stock beneficially owned 44,335 shares Reported securities accompanying the RSU grant

Deferred stock units 17,429 units Granted under the 2012 Incentive Compensation Plan

Deferred stock units 26,281 units Granted under the 2024 Incentive Compensation Plan

Key Terms

restricted stock units, deferred stock units, contingent right

3 terms

restricted stock units financial

"restricted stock units ("RSUs") granted"

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.

deferred stock units financial

"17,429 deferred stock units ("DSUs") granted"

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.

contingent right technical

"Each RSU represents a contingent right to receive one share"

FAQ

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

How many QRHC RSUs did director Sarah Tomolonius receive, and when do they vest?

Sarah Tomolonius received 2,573 restricted stock units on September 30, 2026, under Quest Resource Holding Corp’s 2024 Incentive Compensation Plan. The units are scheduled to vest on March 1, 2027, and each represents a contingent right to one common share.

What other RSUs and common shares did Sarah Tomolonius report for QRHC?

The reported securities include 13,571 RSUs scheduled to fully vest on March 1, 2027, 28,767 RSUs scheduled to fully vest on August 13, 2027, and 44,335 shares of common stock beneficially owned by Sarah Tomolonius.

What deferred stock units did Sarah Tomolonius report for QRHC?

The reported securities include 17,429 deferred stock units granted under the 2012 Incentive Compensation Plan and 26,281 deferred stock units granted under the 2024 Incentive Compensation Plan. The common shares underlying those units are to be issued upon her separation from service with Quest Resource Holding Corp.

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

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Available on EDGAR 10/02/2026 - 07:15 PM Accepted by SEC EDGAR 10/02/2026 - 07:14 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^*

Tomolonius Sarah

(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)
09/30/2026

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	09/30/2026		A		2,573(1)	A	$1.36	86,673(2)	D
Common Stock								43,710(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. These reported securities represent restricted stock units ("RSUs") granted on September 30, 2026 under the Issuer's 2024 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of common stock upon vesting. The RSUs are scheduled to vest on March 1, 2027.

2. Includes (a) 13,571 RSUs that are scheduled to fully vest on March 1, 2027, (b) 28,767 RSUs that are scheduled to fully vest on August 13, 2027 and (c) 44,335 shares of common stock beneficially owned by the Reporting Person.

3. The reported securities include (a) 17,429 deferred stock units ("DSUs") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 26,281 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.

	/s/ Brett W. Johnston, as Attorney-in-Fact	10/02/2026
	** 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)