Reporting owner · CIK 0001773840

Hampstead Park Environmental Services Investment Fund LLC

Visual SEC Form 4 history across 1 companies, 4 transactions and 4 filings.

10%Quest Resource Holding Corp
Open-market mix
Filings4Form 4 records
Buying$00 purchases
Selling$00 sales
Net value$0Buys minus sells
Companies11 securities
Most recentAug 31, 2026grant

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
No open-market purchases or sales in this history.

Net value flow

Buys minus sells

Dec 25
$0
Jan 26
$0
Aug 26
$0

Transaction texture

Ownership and ticket size

Average P/S size
Median P/S size
Direct4
Indirect0
Aug 31, 2026grant

Filing-only signals

Deterministic matches in this insider's history

Latest Form 4 facts

Quick context from source filings

Latest transaction

No latest transaction fact is available.

Latest buy

No open-market insider purchase is available.

Latest sale

No open-market insider sale is available.

Associated companies

Visual map of known reporting history

Hampstead Park Environmental Services Investment Fund LLC Insider Activity FAQ

SEC Form 4 context

Who is Hampstead Park Environmental Services Investment Fund LLC?

Hampstead Park Environmental Services Investment Fund LLC is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001773840.

Which companies has Hampstead Park Environmental Services Investment Fund LLC reported transactions for?

Quest Resource Holding Corp

When was Hampstead Park Environmental Services Investment Fund LLC's latest insider buy?

No open-market insider purchase is available for this period.

When was Hampstead Park Environmental Services Investment Fund LLC's latest insider sale?

No open-market insider sale is available for this period.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.