Glass House Brands (GLAS) SVP William Tu Receives RSUs, Sells Shares

What Happened

• William Tu, SVP and Corporate Controller of Glass House Brands (GLAS), had 38,691 RSUs vest on 2026-09-16. The RSUs converted into shares (derivative exercise), and 13,523 of those shares were sold as a sell-to-cover tax withholding at a weighted average price of $8.08 for proceeds of $109,266. Net shares retained from this vesting tranche: 25,168.

Key Details

• Transaction date: 2026-09-16; Form 4 filed 2026-09-18.
• Vesting origin: RSU awards granted Feb 1, 2025; an initial tranche of 38,691 RSUs vested on 9/16/2026 (each RSU = 1 share).
• Sale to cover taxes: 13,523 shares sold at a weighted average price of $8.08; sale prices ranged from $8.00 to $8.16.
• Codes: M = exercise/conversion of RSUs to shares; F = disposition to satisfy tax liability (sell-to-cover).
• Net shares delivered after withholding: 25,168 (38,691 − 13,523).
• Shares owned after transaction: not disclosed in this filing.
• Footnote: The reporting person can provide the exact number of shares sold at each separate price to the SEC, issuer, or a shareholder upon request.
• Timeliness: Filing appears timely (filed two days after the transaction); no late filing indicated.

Context

• This was a routine RSU vesting with a sell-to-cover for tax withholding rather than an open-market discretionary sale. Such sell-to-cover transactions are common and generally reflect tax obligations, not necessarily a change in insider sentiment.