Form4insider filings, from the source

Company · CIK 0000891532 · SIC 4955 — Hazardous Waste Management · Nasdaq

PERMA FIX ENVIRONMENTAL SERVICES INC · PESI

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 13, 2026 MForm 4 →Jul 14, 7:00 am EDTLarry SheltonDirector2,400$4.60$11,040198,983—
Jul 1, 2026 AForm 4 →Jul 2, 8:00 am EDTJoseph Timothy GrumskiDirector1,528$10.72$16,37667,661—
Jul 1, 2026 AForm 4 →Jul 2, 8:00 am EDTMark A ZweckerDirector1,167$10.72$12,507247,606—
Jul 1, 2026 AForm 4 →Jul 2, 8:00 am EDTThomas BostickDirector1,213$10.72$13,00050,610—
Jul 1, 2026 AForm 4 →Jul 2, 8:00 am EDTJoe ReederDirector1,458$10.72$15,626239,345—
Jul 1, 2026 AForm 4 →Jul 2, 8:00 am EDTZach Paul WampDirector849$10.72$9,09953,473—
Jul 1, 2026 AForm 4 →Jul 2, 8:00 am EDTKerry C DugganDirector819$10.72$8,7787,640—
Jul 1, 2026 AForm 4 →Jul 2, 8:00 am EDTLarry SheltonDirector1,365$10.72$14,629196,583—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 22, 2026 AForm 4 →Jul 24, 11:05 am EDTJoe ReederDirector10,000——10,000—
Jul 22, 2026 AForm 4 →Jul 23, 7:00 am EDTZach Paul WampDirector10,000——10,000—
Jul 22, 2026 AForm 4 →Jul 23, 7:00 am EDTLarry SheltonDirector10,000——10,000—
Jul 22, 2026 AForm 4 →Jul 23, 7:00 am EDTMark A ZweckerDirector10,000——10,000—
Jul 22, 2026 AForm 4 →Jul 23, 7:00 am EDTThomas BostickDirector10,000——10,000—
Jul 22, 2026 AForm 4 →Jul 23, 7:00 am EDTJoseph Timothy GrumskiDirector10,000——10,000—
Jul 22, 2026 AForm 4 →Jul 23, 7:00 am EDTKerry C DugganDirector10,000——10,000—
Jul 13, 2026 MForm 4 →Jul 14, 7:00 am EDTLarry SheltonDirector2,400——0—