# Grondin Richard: insider transactions

SEC CIK 1819004. Roles and transactions as reported on Form 4. Latest Form 4 filed 2026-10-29.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [Perma Fix Environmental Services Inc](/companies/pesi.md) | EVP of Hanford Waste Ops, Officer | 3 | 2026-10-28 | 2026-10-28 |

## Transactions: 3

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-28 | [Perma Fix Environmental Services Inc](/companies/pesi.md) | Option exercise (M), derivative | 5,000 | $0.00 | $0 | [Form 4](/filings/0001493152-26-049259.md) |
| 2026-10-28 | [Perma Fix Environmental Services Inc](/companies/pesi.md) | Tax withholding (F) | 2,564 | $13.66 | $35.0k | [Form 4](/filings/0001493152-26-049259.md) |
| 2026-10-28 | [Perma Fix Environmental Services Inc](/companies/pesi.md) | 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: Nov 1, 2026, 09:48 ET. No prices; not investment advice.