Hampstead Park Capital Management, LLC — SEC Form 4 filings
SEC reporting owner CIK 1773816. 16 Form 4 filings on record with FilingPulse; latest filed 2026-09-02.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2025-03-20 to 2026-09-02. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 4 legs across 3 filings — 38,306 shares, $72,009 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 15.
- Largest priced transaction: purchase of 10,000 shares @ $2.95 ($29,475) in Quest Resource Holding Corp, filed 2025-03-20.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Quest Resource Holding Corp (QRHC) | 10% owner | 16 | 4 legs · 38,306 sh · $72,009 | — | 15 |
Form 4 filings — Hampstead Park Capital Management, LLC
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-02 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 19,942 @ $1.40 | EDGAR |
| 2026-08-17 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 28,767 @ $1.46 | EDGAR |
| 2026-08-04 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 21,984 @ $1.27 | EDGAR |
| 2026-07-02 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 22,158 @ $1.26 | EDGAR |
| 2026-06-02 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 23,661 @ $1.18 | EDGAR |
| 2026-05-04 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 13,289 @ $1.13 | EDGAR |
| 2026-04-02 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 12,619 @ $1.19 | EDGAR |
| 2026-03-23 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Purchase (P): 8,500 @ $0.87 | EDGAR |
| 2026-03-03 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 8,532 @ $1.76 | EDGAR |
| 2026-02-03 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 6,984 @ $2.15 | EDGAR |
| 2026-01-05 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 8,073 @ $1.86 | EDGAR |
| 2025-12-02 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 7,987 @ $1.88 | EDGAR |
| 2025-08-22 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Purchase (P): 17,232 @ $1.60 | EDGAR |
| 2025-08-14 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Option exercise (M): 10,409 · Grant/award (A): 20,000 · Option exercise (M): 10,409 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Grant/award (A): 11,472 @ $2.60 | EDGAR |
| 2025-03-20 | 4 | Quest Resource Holding Corp (QRHC) jointly with FRIEDBERG DANIEL M., Hampstead Park Environmental Services Investment Fund LLC | Purchase (P): 10,000 @ $2.95 · Purchase (P): 2,574 @ $2.96 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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