Form4insider filings, from the source

Company · CIK 0001848731 · SIC 2833 — Medicinal Chemicals & Botanical Products · NYSE

Glass House Brands Inc. · GLAS

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $31k · 1net −$31k
$10k$10k$100k$100k$1M$1MbuyssalesSep 10Sep 10Sep 10Sep 11Sep 11Sep 11Sep 12

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 FMForm 4 →Sep 18, 4:05 pm EDTWilliam TuSVP, Corporate Controller52,214$8.08$109,26628,951—
Sep 11, 2026 SForm 4 →Sep 11, 5:02 pm EDTWilliam TuSVP, Corporate Controller3,818$8.03$30,6593,783−50.2%
Sep 1, 2026 FMForm 4 →Sep 11, 5:02 pm EDTWilliam TuSVP, Corporate Controller7,817$9.00$18,1537,601— late
Jun 1, 2026 FMForm 4 →Jun 4, 9:30 pm EDTWilliam TuSVP, Corporate Controller7,782$11.37$22,5353,818— late

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 MForm 4 →Sep 18, 4:05 pm EDTWilliam TuSVP, Corporate Controller38,691——100,580—
Sep 1, 2026 MForm 4 →Sep 11, 5:02 pm EDTWilliam TuSVP, Corporate Controller5,800——139,271— late
Jun 1, 2026 MForm 4 →Jun 4, 9:30 pm EDTWilliam TuSVP, Corporate Controller5,800——145,071— late