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$PESI All transactions

PERMA FIX ENVIRONMENTAL SERVICES INC

M

$ Value

$24K

Shares

6,000

Price

$4

Filed

Jul 15

Insider

Name

Grondin Richard

Title

EVP of Hanford & Int. Waste Op

CIK

0001819004

Roles

Officer

Transaction Details

Transaction Date

2025-07-14

Code

M

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

36,686

Footnotes

On July 14, 2025, the Reporting Person exercised the incentive stock option granted 10/14/2021 under the Company's 2017 Stock Option Plan (the "2017 Plan") for the purchase of 5,000 shares of the Company's Common Stock at an exercise price of $7.005 per share (the "Option shares"). As permitted by the 2017 Plan, the Reporting Person elected to pay the exercise price of the Option Shares by having the Company withhold from the Option Shares a number of shares having a fair market value equal to the aggregate exercise price of $35,025. Since the fair market value of the Company's Common Stock on July 14, 2025 (as determined in accordance with the 2017 Plan) was $11.32 per share, the Company withheld 3,094 shares of Common Stock ($35,025 divided by $11.32) to pay the aggregate exercise price of the option. | On July 14, 2025, the Reporting Person exercised the incentive stock option granted 1/19/2023 under the Company's 2017 Stock Option Plan (the "2017 Plan") for the purchase of 6,000 shares of the Company's Common Stock at an exercise price of $3.95 per share (the "Option shares"). As permitted by the 2017 Plan, the Reporting Person elected to pay the exercise price of the Option Shares by having the Company withhold from the Option Shares a number of shares having a fair market value equal to the aggregate exercise price of $23,700. Since the fair market value of the Company's Common Stock on July 14, 2025 (as determined in accordance with the 2017 Plan) was $11.32 per share, the Company withheld 2,094 shares of Common Stock ($23,700 divided by $11.32) to pay the aggregate exercise price of the option. | Incentive stock option granted 10/14/2021 under the Company's 2017 Stock Option Plan for the purchase of up to 25,000 shares of the Company's Common Stock. The option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year. | Incentive stock option granted 01/19/2023 under the Company's 2017 Stock Option Plan for the purchase of up to 30,000 shares of the Company's Common Stock. The option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year.

Filing Info

Accession No.

0001641172-25-019702

Form Type

4

Issuer CIK

0000891532

Grondin Richard's History

Date Ticker Type Value
2026-01-20 PESI M $35K
2026-01-20 PESI F $35K
2026-01-20 PESI M $24K
2026-01-20 PESI F $24K
2026-01-20 PESI M $0
2026-01-20 PESI M $0
2025-07-14 PESI M $35K
2025-07-14 PESI F $35K
2025-07-14 PESI M $24K
2025-07-14 PESI F $24K

Other Insiders at PESI (90d)

Insider Bought Sold Last
CENTOFANTI LOUIS F
EVP of Strategic Initiatives
2025-11-17
ZWECKER MARK A 2026-04-01
REEDER JOE 2026-04-01
Shelton Larry 2026-04-01
Bostick Thomas 2026-04-01
Wamp Zach Paul 2026-04-01
Grumski Joseph Timothy 2026-04-01
Duggan Kerry C 2026-04-01