Were William Tu’s Glass House Brands (GHBWF) share sales open-market sales?

The Form 4 explains the 1,982 Equity Shares were sold solely to cover tax withholding obligations related to RSU vesting, not as discretionary open-market sales. This type of transaction is common in equity compensation programs to fund tax liabilities.

Glass House Brands (GHBWF) SVP Tu settles RSUs, sells shares for tax withholding

Q: How many Glass House Brands (GHBWF) shares did William Tu sell and at what price?

William Tu had 1,982 Equity Shares sold to satisfy tax withholding at a weighted average price of $11.37 per share, in multiple trades between $11.35 and $11.39 , as disclosed in the Form 4 footnotes.

Q: How many Glass House Brands (GHBWF) shares and RSUs does William Tu now hold?

After the reported transactions, William Tu directly holds 3,818 Equity Shares and 145,071 restricted stock units (RSUs) . These figures show his remaining equity position from both settled and unvested or unsettled stock-based awards in Glass House Brands.

Q: What equity awards vested for William Tu at Glass House Brands (GHBWF)?

On September 1, 2024, William Tu was granted 34,800 RSUs , referred to as the September RSUs. Of that grant, 5,800 RSUs vested on June 1, 2026, each converting into one Equity Share of Glass House Brands upon settlement.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Glass House Brands Inc. senior vice president and corporate controller William Tu reported routine equity compensation activity. On June 1, 2026, 5,800 restricted stock units vested and were converted into Equity Shares, with each RSU delivering one share. On June 3, 2026, 1,982 of these Equity Shares were sold at a weighted average price of $11.37 solely to cover tax withholding obligations, not as an open-market investment decision. Following these transactions, Tu directly holds 3,818 Equity Shares and 145,071 RSUs, reflecting ongoing equity-based compensation rather than a directional bet on the stock.

Insider Trade Summary

5,800 shares exercised/converted

Mixed 3 txns

Insider Tu William

Role SVP, Corporate Controller

Type	Security	Shares	Price	Value
Tax Withholding	Equity Shares	1,982	$11.37	$23K
Exercise	Restricted Stock Unit	5,800	$0.00	--
Exercise	Equity Shares	5,800	$0.00	--

Holdings After Transaction: Equity Shares — 3,818 shares (Direct, null); Restricted Stock Unit — 145,071 shares (Direct, null)

Footnotes (1)

The Subordinate Voting Shares, Restricted Voting Shares, and/or Limited Voting Shares of Glass House Brands Inc. ("GHBI") (collectively, the "Equity Shares"). 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. Each RSU represents the right to receive, at settlement, one share of GHBI's Equity Shares. 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.

Key Figures

RSUs vested: 5,800 units Shares sold for taxes: 1,982 shares Weighted average sale price: $11.37 per share +3 more

6 metrics

RSUs vested 5,800 units September 2024 RSU grant vesting on June 1, 2026

Shares sold for taxes 1,982 shares Equity Shares sold June 3, 2026 for tax withholding

Weighted average sale price $11.37 per share Tax-withholding sale, trades ranged $11.35–$11.39

Equity Shares held after transactions 3,818 shares Direct holdings following June 3, 2026 disposition

RSUs held after transactions 145,071 units Remaining restricted stock units after June 1, 2026 vesting

September RSU grant size 34,800 units RSUs granted on September 1, 2024

Key Terms

Restricted Stock Unit, Equity Shares, tax withholding obligations, derivative security, +1 more

5 terms

Restricted Stock Unit financial

"The Reporting Person was granted RSU awards covering 34,800 RSUs on September 1, 2024"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Equity Shares financial

"The Subordinate Voting Shares, Restricted Voting Shares, and/or Limited Voting Shares of Glass House Brands Inc. ("GHBI") (collectively, the "Equity Shares")."

Equity shares are units of ownership in a company that give the holder a claim on a portion of its assets and profits, like owning a slice of a business. They matter to investors because their value can rise or fall with the company’s performance and market sentiment, may provide periodic income through dividends, and often carry voting rights that influence how the business is run.

tax withholding obligations financial

"The Equity Shares were sold to satisfy the Reporting Person's tax withholding obligations."

derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

weighted average sale price financial

"Represents the Equity Shares sold at a weighted average sale price of $11.37 per share."

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Form 4 Insider Transactions: What Each Field Means →

06/04/2026 - 09:30 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Tu William

(Last)

(First)

(Middle)

3645 LONG BEACH BLVD

(Street)

LONG BEACH

CALIFORNIA

90807

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Glass House Brands Inc. [ GLASF ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP, Corporate Controller

2a. Foreign Trading Symbol
[[GLAS.AU]]

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Equity Shares⁽¹⁾	06/01/2026		M		5,800	A	⁽³⁾	5,800	D
Equity Shares⁽¹⁾	06/03/2026		F		1,982	D	$11.37⁽⁴⁾	3,818	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit⁽³⁾	$0⁽³⁾	06/01/2026		M			5,800	⁽²⁾	⁽²⁾	Equity Shares⁽¹⁾	5,800	$0	145,071	D

Explanation of Responses:

1. The Subordinate Voting Shares, Restricted Voting Shares, and/or Limited Voting Shares of Glass House Brands Inc. ("GHBI") (collectively, the "Equity Shares").

2. 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.

3. Each RSU represents the right to receive, at settlement, one share of GHBI's Equity Shares.

4. 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.

	/s/ Benjamin Vega, Attorney-in-Fact for William Tu	06/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Glass House Brands (GHBWF) report for William Tu?

Glass House Brands reported that SVP and corporate controller William Tu had 5,800 RSUs vest into Equity Shares, then 1,982 of those shares were sold to cover tax withholding obligations, a routine compensation-related transaction rather than a discretionary market trade.

How many Glass House Brands (GHBWF) shares did William Tu sell and at what price?

William Tu had 1,982 Equity Shares sold to satisfy tax withholding at a weighted average price of $11.37 per share, in multiple trades between $11.35 and $11.39, as disclosed in the Form 4 footnotes.

How many Glass House Brands (GHBWF) shares and RSUs does William Tu now hold?

After the reported transactions, William Tu directly holds 3,818 Equity Shares and 145,071 restricted stock units (RSUs). These figures show his remaining equity position from both settled and unvested or unsettled stock-based awards in Glass House Brands.

What equity awards vested for William Tu at Glass House Brands (GHBWF)?

On September 1, 2024, William Tu was granted 34,800 RSUs, referred to as the September RSUs. Of that grant, 5,800 RSUs vested on June 1, 2026, each converting into one Equity Share of Glass House Brands upon settlement.