QRHC

Quest Resource Holding Corp

NasdaqUtilitiesRefuse Systems

Insider activity for last month from 09/19 to 10/19.

How these metrics are calculated

Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Total buying$00 buys
Total selling$00 sells
Net open-market+$0Buying minus selling
Active insiders8Distinct reporting owners

Insider activity report

Calendar-month buckets within the selected date range

Latest filing: Oct 02, 2026

Open-market transaction mix · 0 transactions in the selected period

Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.

View exact monthly counts and disclosed values
Monthly activity within the selected period; unknown values remain unknown.
MonthBuysSellsAwards (A)Buy valueSell valueNet P/S value
Sep 2026006$0$0$0
Oct 2026000$0$0$0

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (8)
Sep 2026: 8 insidersOct 2026: 0 insiders
Sep 2026Oct 2026
8distinct insiders in selected period
Largest insider activity
By absolute net disclosed value · current transaction page
5 insiders

QRHC transaction history

Newest filings · 20 transactions per page

Latest insider transactions

Form 4 filings from last month.
Newest company filings
CompanyInsiderActivityDisclosed valueFiled (ET)
QRHCQuest Resource Holding Corp
Tomolonius SarahDIRA · grantSEC filing ↗$3.49kView disclosure →
QRHCQuest Resource Holding Corp
Nolan Stephen ADIRA · grantSEC filing ↗$3.49kView disclosure →
QRHCQuest Resource Holding Corp
Lipstein Robert JDIRA · grantSEC filing ↗$3.49kView disclosure →
QRHCQuest Resource Holding Corp
Friedberg Daniel M.DIRA · grantSEC filing ↗$27.9kView disclosure →
QRHCQuest Resource Holding Corp
Dunning AudreyDIRA · grantSEC filing ↗$3.49kView disclosure →
QRHCQuest Resource Holding Corp
Culpepper GlennDIRA · grantSEC filing ↗$3.49kView disclosure →

Filing-only signals

Deterministic matches in the selected period

Recent filing activity
Most recent 6 transactions on this page · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale-
10b5-1 detected0
Amended rows0

Transaction codes

By Form 4 transaction code in selected period
6transactionstxns
  • A · Grants / awards · dominant6 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
Director6
10% owner1

Reported Holdings After

Separated by insider, security, and ownership type

Culpepper GlennCommon Stock · Direct
103.9k103.9kSep 30, 2026Sep 30, 2026
103,923Sep 30, 2026
Dunning AudreyCommon Stock · Direct
94.8k94.8kSep 30, 2026Sep 30, 2026
94,823Sep 30, 2026
Friedberg Daniel M.Common Stock · Direct
186.1k186.1kSep 30, 2026Sep 30, 2026
186,126Sep 30, 2026
Lipstein Robert JCommon Stock · Direct
90.8k90.8kSep 30, 2026Sep 30, 2026
90,838Sep 30, 2026
Nolan Stephen ACommon Stock · Direct
154.9k154.9kSep 30, 2026Sep 30, 2026
154,923Sep 30, 2026
Tomolonius SarahCommon Stock · Direct
86.7k86.7kSep 30, 2026Sep 30, 2026
86,673Sep 30, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells red
1 active days
Sep 19 → Oct 19
LessMore

Quest Resource Holding Corp Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Quest Resource Holding Corp?

Tomolonius Sarah, Nolan Stephen A, Lipstein Robert J, FRIEDBERG DANIEL M., Hampstead Park Capital Management, LLC, Hampstead Park Environmental Services Investment Fund LLC, Dunning Audrey, Culpepper Glenn.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

No code-S sale is available for this period.

What is the recent purchase and sale balance?

No code-P purchases or code-S sales were reported in the selected period.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.