Sarah Tomolonius - 31 May 2026 Form 4 Insider Report for Quest Resource Holding Corp (QRHC)

Reporting relationship: Director
Issuer ticker: QRHC
Reported as of: 31 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jun 2026, 19:46:36 UTC
Prior SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Brett W. Johnston, as Attorney-in-Fact

Key filing fact

Sarah Tomolonius filed Form 4 for Quest Resource Holding Corp (QRHC) on 02 Jun 2026.

Key facts

This page summarizes Sarah Tomolonius's Form 4 filing for Quest Resource Holding Corp (QRHC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Jun 2026, 19:46.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001685481 Primary reporting owner

Tomolonius Sarah

Relationship: Director
Address: C/O QUEST RESOURCE HOLDING CORPORATION, 433 E. LAS COLINAS BOULEVARD, SUITE 675, THE COLONY
Signature: /s/ Brett W. Johnston, as Attorney-in-Fact
Signature date: 02 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

QRHC transaction

Common Stock

Award

Transaction value
Shares: +2,966
Change %: +6.8%
Price: $1.18^*
Shares after: 46,676
Date: 31 May 2026
Ownership: Direct
Footnotes: F1, F2

QRHC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 44,335
Date: 31 May 2026
Ownership: Direct
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote F2

The reported securities include (a) 17,429 DSUs granted under the Issuer's 2012 Incentive Compensation Plan and (b) 29,247 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.

Footnote F3

Includes (a) 20,000 restricted stock units that are scheduled to fully vest on August 13, 2026 and (b) 24,335 shares of common stock beneficially owned by the Reporting Person.