# Perma Fix Environmental Services Inc: insider transactions

PESI · Nasdaq · CIK 891532 · [Utilities](/sectors/utilities.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/pesi.md) · [Financials](/companies/pesi/financials.md) · [Filings](/companies/pesi/filings.md) · [Insiders](/companies/pesi/insiders.md)

## All transactions: 2

Non-derivative transactions reported on Forms 4, newest first. Codes P (purchase) and S (sale) are open-market trades. Reported price is as stated on the form, not a market price. Filter with ?type= `open-market`, `purchase`, `sale`.

| Date | Insider | Role | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-28 | [Grondin Richard](/insiders/1819004.md) | EVP of Hanford Waste Ops, Officer | Tax withholding (F) | 2,564 | $13.66 | $35.0k | [Form 4](/filings/0001493152-26-049259.md) |
| 2026-10-28 | [Grondin Richard](/insiders/1819004.md) | EVP of Hanford Waste Ops, Officer | Option exercise (M) | 5,000 | $7.005 | $35.0k | [Form 4](/filings/0001493152-26-049259.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 29, 2026, 16:01 ET. No prices; not investment advice.