GLAS insider trading — Glass House Brands Inc.
Over the last 90 days, insiders at Glass House Brands Inc. (GLAS) made 0 open-market purchases worth $0 and 1 open-market sale worth $31K, making them net sellers by $31K. The largest sale was by Tu William (SVP, Corporate Controller), who sold 3,818 shares for $31K on Sep 11, 2026.
Updated Oct 16, 2026.
Recent GLAS insider transactions
Every Form 4 filed by Glass House Brands Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | Tu William | SVP, Corporate Controller | M · Option exercise | Direct | 38,691 | — | — | Form 4 |
| Sep 16, 2026 | Tu William | SVP, Corporate Controller | F · Tax withholding | Direct | 13,523 | $8.08 | $109K | Form 4 |
| Sep 11, 2026 | Tu William | SVP, Corporate Controller | S · Sale | Direct | 3,818 | $8.03 | $31K | Form 4 |
| Sep 4, 2026 | Tu William | SVP, Corporate Controller | F · Tax withholding | Direct | 2,017 | $9.00 | $18K | Form 4 |
| Sep 1, 2026 | Tu William | SVP, Corporate Controller | M · Option exercise | Direct | 5,800 | — | — | Form 4 |
GLAS insider trading FAQ
Are insiders buying GLAS stock?
Not on the open market. In the last 90 days, Glass House Brands Inc. insiders made no open-market purchases, and 1 open-market sale totaling $31K. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading GLAS?
Recent sellers: Tu William.
Where does GLAS insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.