QRHC

insider transactions

Quest Resource Holding Corp — buys & sells by directors, officers and 10% owners (SEC Form 4).

30D 90D 1Y

No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.

Net buy / sell volume

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions

Grant·A
May 31, 26

Sarah Tomolonius

Director

$3.5K

3.0K sh · $1.18

Own +7%
Grant·A
May 31, 26

Stephen A Nolan

Director

$3.5K

3.0K sh · $1.18

Own +3%
Grant·A
May 31, 26

Robert J Lipstein

Director

$3.5K

3.0K sh · $1.18

Own New
Grant·A
May 31, 26

Daniel M. Friedberg / Hampstead Park Capital Management, LLC / Hampstead Park Environmental Services Investment Fund LLC

Director, 10% Owner

$27.9K

23.7K sh · $1.18

Own +48%
Grant·A
May 31, 26

Audrey Dunning

Director

$3.5K

3.0K sh · $1.18

Own +6%
Grant·A
May 31, 26

Glenn Culpepper

Director

$3.5K

3.0K sh · $1.18

Own +5%
Exercise·M
May 4, 26

Audrey Dunning

Director

—

1.7K sh

Own New
Exercise·M
May 4, 26

Audrey Dunning

Director

—

1.7K sh

Own +10%
Grant·A
Apr 30, 26

Stephen A Nolan

Director

$3.5K

3.1K sh · $1.13

Own +3%
Grant·A
Apr 30, 26

Daniel M. Friedberg / Hampstead Park Capital Management, LLC / Hampstead Park Environmental Services Investment Fund LLC

Director, 10% Owner

$15.0K

13.3K sh · $1.13

Own +16%
Grant·A
Apr 3, 26

Perry W. Moss KEY

President and CEO

$23.7K

20.1K sh · $1.18

Own +6%
Grant·A
Apr 3, 26

Brett Wade Johnston KEY

Sr. VP of Finance and CFO

$6.8K

5.8K sh · $1.18

Own +7%
Grant·A
Mar 31, 26

Stephen A Nolan

Director

$3.5K

2.9K sh · $1.19

Own +3%
Grant·A
Mar 31, 26

Daniel M. Friedberg / Hampstead Park Capital Management, LLC / Hampstead Park Environmental Services Investment Fund LLC

Director, 10% Owner

$15.0K

12.6K sh · $1.19

Own +18%

Date▾	Insider	Role	Type	Shares	Own Δ	Price	Value
May 31, 2026	Sarah Tomolonius	Director	Grant A	3.0K	+7%	$1.18	$3.5K
May 31, 2026	Stephen A Nolan	Director	Grant A	3.0K	+3%	$1.18	$3.5K
May 31, 2026	Robert J Lipstein	Director	Grant A	3.0K	New	$1.18	$3.5K
May 31, 2026	Daniel M. Friedberg / Hampstead Park Capital Management, LLC / Hampstead Park Environmental Services Investment Fund LLC	Director, 10% Owner	Grant A	23.7K	+48%	$1.18	$27.9K
May 31, 2026	Audrey Dunning	Director	Grant A	3.0K	+6%	$1.18	$3.5K
May 31, 2026	Glenn Culpepper	Director	Grant A	3.0K	+5%	$1.18	$3.5K
May 4, 2026	Audrey Dunning	Director	Exercise M	1.7K	New	—	—
May 4, 2026	Audrey Dunning	Director	Exercise M	1.7K	+10%	—	—
Apr 30, 2026	Stephen A Nolan	Director	Grant A	3.1K	+3%	$1.13	$3.5K
Apr 30, 2026	Daniel M. Friedberg / Hampstead Park Capital Management, LLC / Hampstead Park Environmental Services Investment Fund LLC	Director, 10% Owner	Grant A	13.3K	+16%	$1.13	$15.0K
Apr 3, 2026	Perry W. Moss KEY	President and CEO	Grant A	20.1K	+6%	$1.18	$23.7K
Apr 3, 2026	Brett Wade Johnston KEY	Sr. VP of Finance and CFO	Grant A	5.8K	+7%	$1.18	$6.8K
Mar 31, 2026	Stephen A Nolan	Director	Grant A	2.9K	+3%	$1.19	$3.5K
Mar 31, 2026	Daniel M. Friedberg / Hampstead Park Capital Management, LLC / Hampstead Park Environmental Services Investment Fund LLC	Director, 10% Owner	Grant A	12.6K	+18%	$1.19	$15.0K

About QRHC insider trading

This page tracks insider transactions for Quest Resource Holding Corp (QRHC) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.