Grondin Richard 4

What Happened

• Richard Grondin, EVP of Hanford & International Waste Operations at Perma-Fix Environmental Services, exercised incentive stock options on January 20, 2026. He exercised two grants for a total of 11,000 underlying shares (5,000 shares at $7.005 and 6,000 shares at $3.95), with an aggregate exercise amount of $58,725.
• Rather than pay cash, Grondin elected to have the company withhold shares to cover the exercise price/tax withholding. The company withheld 2,555 shares (from the 5,000 exercise) and 1,729 shares (from the 6,000 exercise) — 4,284 shares total — leaving a net increase of 6,716 shares credited to him.

Key Details

• Transaction date: January 20, 2026; Form 4 filed January 21, 2026 (timely).
• Exercise prices and values: 5,000 shares @ $7.005 = $35,025; 6,000 shares @ $3.95 = $23,700; total paid ≈ $58,725.
• Fair market value used for withholding: $13.71 per share on Jan 20, 2026; withheld shares = 2,555 and 1,729 (total 4,284) to satisfy the aggregate exercise price.
• Shares owned after transaction: not specified in the filing.
• Footnotes: Options were incentive stock options granted under the 2017 Stock Option Plan (grants dated 10/14/2021 and 01/19/2023). Grants have six-year terms and vest over five years (1/5 per year).
• Transaction codes: M = option exercise; F = payment of exercise price/tax liability via share withholding (cashless-style).

Context

• This was an exercise of vested options, not an open-market sale. The withholding of shares to cover the exercise price is a common administrative (tax) action and should not be interpreted as an outright sale signal. The filing does not indicate any immediate open-market sale of exercised shares.