Tu William 4

4 · Glass House Brands Inc. · Filed Jun 4, 2026

AI-generated summary of this filing

Updated Jun 5, 2026

Glass House Brands (GLASF) SVP William Tu Exercises RSUs, Sells Shares

What Happened

Tu William, SVP and Corporate Controller of Glass House Brands Inc. (GLASF), had 5,800 restricted stock units (RSUs) vest on June 1, 2026 and converted those RSUs into 5,800 equity shares. To satisfy tax withholding obligations, 1,982 of the resulting shares were sold at a weighted average price of $11.37, generating proceeds of about $22,535. The sales were executed in multiple trades at prices between $11.35 and $11.39.

Key Details

Transaction types/codes: M = exercise/conversion of RSUs (5,800 shares vested/settled on 2026-06-01); F = shares sold to cover tax withholding (1,982 shares disposed on 2026-06-03).
Dates: RSUs vested and converted on June 1, 2026; withholding sale occurred June 3, 2026. Form 4 filed June 4, 2026.
Prices/values: Withholding sale weighted avg price $11.37; sale price range $11.35–$11.39; proceeds ≈ $22,535.
Shares owned after transaction: Not specified in this filing.
Relevant footnotes: RSUs were part of a September 1, 2024 grant of 34,800 RSUs; each RSU converts to one equity share. The shares sold represent the withholding to satisfy tax obligations; full breakdown of sale prices per trade is available on request to the SEC/issuer.
Filing timeliness: No late filing flag indicated in the filing.

Context

This was a routine vest-and-withhold transaction: 5,800 RSUs vested and were converted to shares (derivative settlement), and a portion of those shares were sold solely to cover tax withholding. Such tax-withholding sales are common and do not necessarily indicate change in insider sentiment.

Form 4

Period: 2026-06-01

SVP, Corporate Controller

Transactions

Exercise/Conversion
Equity Shares
[F1][F3]
2026-06-01+5,800→ 5,800 total
Tax Payment
Equity Shares
[F1][F4]
2026-06-03$11.37/sh−1,982$22,535→ 3,818 total
Exercise/Conversion
Restricted Stock Unit
[F3][F2][F1]
2026-06-01−5,800→ 145,071 total
Exercise: $0.00→ Equity Shares (5,800 underlying)

Footnotes (4)

[F1]The Subordinate Voting Shares, Restricted Voting Shares, and/or Limited Voting Shares of Glass House Brands Inc. ("GHBI") (collectively, the "Equity Shares").
[F2]The Reporting Person was granted RSU awards covering 34,800 RSUs on September 1, 2024 (the "September RSUs"). 5,800 of the September RSUs vested on June 1, 2026.
[F3]Each RSU represents the right to receive, at settlement, one share of GHBI's Equity Shares.
[F4]The Equity Shares were sold to satisfy the Reporting Person's tax withholding obligations. Represents the Equity Shares sold at a weighted average sale price of $11.37 per share. The Equity Shares were sold in multiple transactions at prices ranging from $11.35 to $11.39. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, Issuer, or a security holder of Issuer, full information regarding the number of Equity Shares sold at each separate price.

Signature

/s/ Benjamin Vega, Attorney-in-Fact for William Tu|2026-06-04

1 file